85 changed files with 32492 additions and 36224 deletions
--- a/.github/ISSUE_TEMPLATE/bug-report.md
+++ b/.github/ISSUE_TEMPLATE/bug-report.md
@ -1,25 +0,0 @@
 ---
 name: Bug Report
 about: Report a bug for dragonfly api definition
 labels: bug
 ---
 ### Bug report:
 <!-- Please describe what is actually happening -->
 ### Expected behavior:
 <!-- Please describe what you expect to happen -->
 ### How to reproduce it:
 <!-- How can a maintainer reproduce this issue (please be detailed) -->
 ### Environment:
 - Dragonfly version:
 - OS:
 - Kernel (e.g. `uname -a`):
 - Others:
--- a/.github/ISSUE_TEMPLATE/custom.md
+++ b/.github/ISSUE_TEMPLATE/custom.md
@ -1,5 +1,5 @@
 ---
 name: Custom
 about: Custom issue template for dragonfly api definition
-
+labels: kind/custom
 ---
--- a/.github/ISSUE_TEMPLATE/feature-request.md
+++ b/.github/ISSUE_TEMPLATE/feature-request.md
@ -1,8 +1,7 @@
 ---
 name: Feature Request
 about: Request a new feature for dragonfly api definition
-labels: enhancement
+labels: kind/feature
 ---
 ### Feature request:
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@ -4,10 +4,6 @@ updates:
  directory: "/"
  schedule:
    interval: "weekly"
 - package-ecosystem: "cargo"
  directory: "/"
  schedule:
    interval: "weekly"
 - package-ecosystem: "github-actions"
  directory: "/"
  schedule:
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@ -22,15 +22,15 @@ jobs:
    steps:
      - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
      - name: Initialize CodeQL
-        uses: github/codeql-action/init@v3
+        uses: github/codeql-action/init@v2
        with:
          languages: ${{ matrix.language }}
      - name: Autobuild
-        uses: github/codeql-action/autobuild@v3
+        uses: github/codeql-action/autobuild@v2
      - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v3
+        uses: github/codeql-action/analyze@v2
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@ -13,14 +13,12 @@ jobs:
    timeout-minutes: 10
    steps:
      - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
        with:
          fetch-depth: '0'
      - name: Golangci lint
-        uses: golangci/golangci-lint-action@v8
+        uses: golangci/golangci-lint-action@v3
        with:
-          version: v2.1.6
+          version: v1.46.2
  rust-lint:
    name: Rust Lint
@ -28,7 +26,7 @@ jobs:
    timeout-minutes: 10
    steps:
      - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
      - name: Install protobuf-compiler
        run: sudo apt-get install protobuf-compiler
@ -57,7 +55,7 @@ jobs:
    timeout-minutes: 10
    steps:
      - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
      - name: Markdown lint
        uses: docker://avtodev/markdown-lint:v1
--- a/.gitignore
+++ b/.gitignore
@ -67,6 +67,10 @@ artifacts
 # will have compiled files and executables
 /target/
 # Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
 # More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
 Cargo.lock
 # These are backup files generated by rustfmt
 **/*.rs.bk
--- a/.golangci.yml
+++ b/.golangci.yml
@ -1,53 +1,37 @@
 version: "2"
 run:
  deadline: 3m
  modules-download-mode: readonly
-linters:
+
-  default: none
+linters-settings:
  enable:
    - errcheck
    - goconst
    - gocyclo
    - govet
    - misspell
    - staticcheck
  settings:
  gocyclo:
    min-complexity: 60
  exclusions:
    generated: lax
    presets:
      - comments
      - common-false-positives
      - legacy
      - std-error-handling
    rules:
      - linters:
          - staticcheck
        text: 'SA1019:'
    paths:
      - third_party$
      - builtin$
      - examples$
 issues:
  new: true
 formatters:
  enable:
    - gci
    - gofmt
  settings:
  gci:
    sections:
      - standard
      - default
-  exclusions:
+
-    generated: lax
+issues:
-    paths:
+  new: true
-      - third_party$
+  exclude-rules:
-      - builtin$
+    - linters:
-      - examples$
+        - staticcheck
      text: "SA1019:"
 linters:
  disable-all: true
  enable:
    - gci
    - gofmt
    - golint
    - misspell
    - govet
    - goconst
    - deadcode
    - gocyclo
    - staticcheck
    - errcheck
 output:
-  formats:
+  format: colored-line-number
    text:
      path: stdout
      print-linter-name: true
  print-issued-lines: true
  print-linter-name: true
--- a/Cargo.lock
+++ b/Cargo.lock
--- a/Cargo.toml
+++ b/Cargo.toml
@ -1,22 +1,19 @@
 [package]
-name = "dragonfly-api"
+name = "api"
-version = "2.1.47"
+version = "0.1.0"
 authors = ["Gaius <gaius.qi@gmail.com>"]
 edition = "2021"
 license = "Apache-2.0"
 homepage = "https://d7y.io"
 repository = "https://github.com/dragonflyoss/api"
 description = "Canonical location of the Dragonfly API definition"
 readme = "README.md"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 [dependencies]
-tonic = "0.12.3"
+tonic = "0.8.3"
-prost = "0.13.5"
+prost = "0.11"
-prost-types = "0.14.1"
+prost-types = "0.11"
-tokio = { version = "1.46.1", features = ["rt-multi-thread", "macros"] }
+tokio = { version = "1.8.2", features = ["rt-multi-thread", "macros"] }
 serde = { version = "1.0", features = ["derive"] }
 prost-wkt-types = "0.6"
 [build-dependencies]
-tonic-build = "0.12.1"
+tonic-build = "0.8.3"
--- a/2
+++ b/2
@ -17,7 +17,7 @@ all: help
 # Run code lint
 lint: markdownlint
 	@echo "Begin to golangci-lint."
-	@./hack/golanglint.sh
+	@golangci-lint run
 .PHONY: lint
 # Run markdown lint
--- a/README.md
+++ b/README.md
@ -1,6 +1,6 @@
 # api
-[![Discussions](https://img.shields.io/badge/discussions-on%20github-blue?style=flat-square)](https://github.com/dragonflyoss/dragonfly/discussions)
+[![Discussions](https://img.shields.io/badge/discussions-on%20github-blue?style=flat-square)](https://github.com/dragonflyoss/Dragonfly2/discussions)
 [![LICENSE](https://img.shields.io/github/license/dragonflyoss/api.svg?style=flat-square)](https://github.com/dragonflyoss/api/blob/main/LICENSE)
 Canonical location of the Dragonfly API definition.
@ -9,24 +9,26 @@ The project includes the api definitions of dragonfly services and the mocks of
 ## Note to developers
 If developers need to change dragonfly api definition,
-please contact [dragonfly maintainers](https://github.com/dragonflyoss/dragonfly/blob/main/MAINTAINERS.md).
+please contact [dragonfly maintainers](https://github.com/dragonflyoss/Dragonfly2/blob/main/MAINTAINERS.md).
 ## Community
-Join the conversation and help the community.
+Welcome developers to actively participate in community discussions
 and contribute code to Dragonfly. We will remain
 concerned about the issues discussed in the community and respond quickly.
 - **Slack Channel**: [#dragonfly](https://cloud-native.slack.com/messages/dragonfly/) on [CNCF Slack](https://slack.cncf.io/)
- **Github Discussions**: [Dragonfly Discussion Forum](https://github.com/dragonflyoss/dragonfly/discussions)
+- **Discussion Group**: <dragonfly-discuss@googlegroups.com>
 - **Developer Group**: <dragonfly-developers@googlegroups.com>
- **Maintainer Group**: <dragonfly-maintainers@googlegroups.com>
+- **Github Discussions**: [Dragonfly Discussion Forum][discussion]
 - **Twitter**: [@dragonfly_oss](https://twitter.com/dragonfly_oss)
- **DingTalk**: [22880028764](https://qr.dingtalk.com/action/joingroup?code=v1,k1,pkV9IbsSyDusFQdByPSK3HfCG61ZCLeb8b/lpQ3uUqI=&_dt_no_comment=1&origin=11)
+- **DingTalk**: [23304666](https://h5.dingtalk.com/circle/healthCheckin.html?dtaction=os&corpId=ding0ba5f94d8290b9f7f235fbadcd45de0c&f4462ef5-a7d=9bec3e94-b34&cbdbhh=qwertyuiop)
 ## Contributing
 You should check out our
-[CONTRIBUTING](https://github.com/dragonflyoss/dragonfly/blob/main/CONTRIBUTING.md) and develop the project together.
+[CONTRIBUTING](https://github.com/dragonflyoss/Dragonfly2/blob/main/CONTRIBUTING.md) and develop the project together.
 ## Code of Conduct
-Please refer to our [Code of Conduct](https://github.com/dragonflyoss/dragonfly/blob/main/CODE_OF_CONDUCT.md).
+Please refer to our [Code of Conduct](https://github.com/dragonflyoss/Dragonfly2/blob/main/CODE_OF_CONDUCT.md).
--- a/build.rs
+++ b/build.rs
@ -1,18 +1,12 @@
 fn main() -> Result<(), Box<dyn std::error::Error>> {
    tonic_build::configure()
-        .file_descriptor_set_path("src/descriptor.bin")
+        .build_client(true)
-        .protoc_arg("--experimental_allow_proto3_optional")
+        .build_server(true)
        .type_attribute(".", "#[derive(serde::Serialize, serde::Deserialize)]")
        .type_attribute(
            "scheduler.v2.AnnouncePeerRequest.request",
            "#[allow(clippy::large_enum_variant)]",
        )
        .extern_path(".google.protobuf.Timestamp", "::prost_wkt_types::Timestamp")
        .extern_path(".google.protobuf.Duration", "::prost_wkt_types::Duration")
        .out_dir("src")
        .compile(
            &[
                "proto/common.proto",
                "proto/security.proto",
                "proto/errordetails.proto",
                "proto/dfdaemon.proto",
                "proto/manager.proto",
--- a/go.mod
+++ b/go.mod
@ -1,17 +1,18 @@
-module d7y.io/api/v2
+module d7y.io/api
-go 1.23.8
+go 1.19
 require (
-	github.com/envoyproxy/protoc-gen-validate v1.2.1
+	github.com/envoyproxy/protoc-gen-validate v0.9.1
-	go.uber.org/mock v0.5.2
+	github.com/golang/mock v1.6.0
-	google.golang.org/grpc v1.73.0
+	google.golang.org/grpc v1.52.0
-	google.golang.org/protobuf v1.36.6
+	google.golang.org/protobuf v1.28.1
 )
 require (
-	golang.org/x/net v0.38.0 // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
-	golang.org/x/sys v0.31.0 // indirect
+	golang.org/x/net v0.4.0 // indirect
-	golang.org/x/text v0.23.0 // indirect
+	golang.org/x/sys v0.3.0 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20250324211829-b45e905df463 // indirect
+	golang.org/x/text v0.5.0 // indirect
 	google.golang.org/genproto v0.0.0-20221118155620-16455021b5e6 // indirect
 )
--- a/go.sum
+++ b/go.sum
@ -1,38 +1,47 @@
-github.com/envoyproxy/protoc-gen-validate v1.2.1 h1:DEo3O99U8j4hBFwbJfrz9VtgcDfUKS7KJ7spH3d86P8=
+github.com/envoyproxy/protoc-gen-validate v0.9.1 h1:PS7VIOgmSVhWUEeZwTe7z7zouA22Cr590PzXKbZHOVY=
-github.com/envoyproxy/protoc-gen-validate v1.2.1/go.mod h1:d/C80l/jxXLdfEIhX1W2TmLfsJ31lvEjwamM4DxlWXU=
+github.com/envoyproxy/protoc-gen-validate v0.9.1/go.mod h1:OKNgG7TCp5pF4d6XftA0++PMirau2/yoOwVac3AbF2w=
-github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY=
+github.com/golang/mock v1.6.0 h1:ErTB+efbowRARo13NNdxyJji2egdxLGQhRaY+DUumQc=
-github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
+github.com/golang/mock v1.6.0/go.mod h1:p6yTPP+5HYm5mzsMV8JkE6ZKdX+/wYM6Hr+LicevLPs=
-github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
+github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
-github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
+github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
-github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
+github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
-github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
+github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
+github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
-github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
+github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
-github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-go.opentelemetry.io/auto/sdk v1.1.0 h1:cH53jehLUN6UFLY71z+NDOiNJqDdPRaXzTel0sJySYA=
+golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-go.opentelemetry.io/auto/sdk v1.1.0/go.mod h1:3wSPjt5PWp2RhlCcmmOial7AvC4DQqZb7a7wCow3W8A=
+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-go.opentelemetry.io/otel v1.35.0 h1:xKWKPxrxB6OtMCbmMY021CqC45J+3Onta9MqjhnusiQ=
+golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-go.opentelemetry.io/otel v1.35.0/go.mod h1:UEqy8Zp11hpkUrL73gSlELM0DupHoiq72dR+Zqel/+Y=
+golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
-go.opentelemetry.io/otel/metric v1.35.0 h1:0znxYu2SNyuMSQT4Y9WDWej0VpcsxkuklLa4/siN90M=
+golang.org/x/net v0.4.0 h1:Q5QPcMlvfxFTAPV0+07Xz/MpK9NTXu2VDUuy0FeMfaU=
-go.opentelemetry.io/otel/metric v1.35.0/go.mod h1:nKVFgxBZ2fReX6IlyW28MgZojkoAkJGaE8CpgeAU3oE=
+golang.org/x/net v0.4.0/go.mod h1:MBQ8lrhLObU/6UmLb4fmbmk5OcyYmqtbGd/9yIeKjEE=
-go.opentelemetry.io/otel/sdk v1.35.0 h1:iPctf8iprVySXSKJffSS79eOjl9pvxV9ZqOWT0QejKY=
+golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-go.opentelemetry.io/otel/sdk v1.35.0/go.mod h1:+ga1bZliga3DxJ3CQGg3updiaAJoNECOgJREo9KHGQg=
+golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-go.opentelemetry.io/otel/sdk/metric v1.35.0 h1:1RriWBmCKgkeHEhM7a2uMjMUfP7MsOF5JpUCaEqEI9o=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-go.opentelemetry.io/otel/sdk/metric v1.35.0/go.mod h1:is6XYCUMpcKi+ZsOvfluY5YstFnhW0BidkR+gL+qN+w=
+golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-go.opentelemetry.io/otel/trace v1.35.0 h1:dPpEfJu1sDIqruz7BHFG3c7528f6ddfSWfFDVt/xgMs=
+golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-go.opentelemetry.io/otel/trace v1.35.0/go.mod h1:WUk7DtFp1Aw2MkvqGdwiXYDZZNvA/1J8o6xRXLrIkyc=
+golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-go.uber.org/mock v0.5.2 h1:LbtPTcP8A5k9WPXj54PPPbjcI4Y6lhyOZXn+VS7wNko=
+golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-go.uber.org/mock v0.5.2/go.mod h1:wLlUxC2vVTPTaE3UD51E0BGOAElKrILxhVSDYQLld5o=
+golang.org/x/sys v0.3.0 h1:w8ZOecv6NaNa/zC8944JTU3vz4u6Lagfk4RPQxv92NQ=
-golang.org/x/net v0.38.0 h1:vRMAPTMaeGqVhG5QyLJHqNDwecKTomGeqbnfZyKlBI8=
+golang.org/x/sys v0.3.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/net v0.38.0/go.mod h1:ivrbrMbzFq5J41QOQh0siUuly180yBYtLp+CKbEaFx8=
+golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
-golang.org/x/sys v0.31.0 h1:ioabZlmFYtWhL+TRYpcnNlLwhyxaM9kWTDEmfnprqik=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/sys v0.31.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.23.0 h1:D71I7dUrlY+VX0gQShAThNGHFxZ13dGLBHQLVl1mJlY=
+golang.org/x/text v0.5.0 h1:OLmvp0KP+FVG99Ct/qFiL/Fhk4zp4QQnZ7b2U+5piUM=
-golang.org/x/text v0.23.0/go.mod h1:/BLNzu4aZCJ1+kcD0DNRotWKage4q2rGVAg4o22unh4=
+golang.org/x/text v0.5.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20250324211829-b45e905df463 h1:e0AIkUUhxyBKh6ssZNrAMeqhA7RKUj42346d1y02i2g=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20250324211829-b45e905df463/go.mod h1:qQ0YXyHHx3XkvlzUtpXDkS29lDSafHMZBAZDc03LQ3A=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-google.golang.org/grpc v1.73.0 h1:VIWSmpI2MegBtTuFt5/JWy2oXxtjJ/e89Z70ImfD2ok=
+golang.org/x/tools v0.1.1/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
-google.golang.org/grpc v1.73.0/go.mod h1:50sbHOUqWoCQGI8V2HQLJM0B+LMlIUjNSZmow7EVBQc=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-google.golang.org/protobuf v1.36.6 h1:z1NpPI8ku2WgiWnf+t9wTPsn6eP1L7ksHUlkfLvd9xY=
+golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-google.golang.org/protobuf v1.36.6/go.mod h1:jduwjTPXsFjZGTmRluh+L6NjiWu7pchiJ2/5YcXBHnY=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/genproto v0.0.0-20221118155620-16455021b5e6 h1:a2S6M0+660BgMNl++4JPlcAO/CjkqYItDEZwkoDQK7c=
 google.golang.org/genproto v0.0.0-20221118155620-16455021b5e6/go.mod h1:rZS5c/ZVYMaOGBfO68GWtjOw/eLaZM1X6iVtgjZ+EWg=
 google.golang.org/grpc v1.52.0 h1:kd48UiU7EHsV4rnLyOJRuP/Il/UHE7gdDAQ+SZI7nZk=
 google.golang.org/grpc v1.52.0/go.mod h1:pu6fVzoFb+NBYNAvQL08ic+lvB2IojljRYuun5vorUY=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 google.golang.org/protobuf v1.28.1 h1:d0NfwRgPtno5B1Wa6L2DAG+KivqkdutMf1UhdNx175w=
 google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
--- a/hack/golanglint.sh
+++ b/hack/golanglint.sh
@ -1,11 +0,0 @@
 #!/bin/bash
 LINT_DIR=/data
 GOLANGCI_IMAGE=golangci/golangci-lint:v1.54
 docker run --rm \
    -w "${LINT_DIR}" \
    -v "$(pwd):${LINT_DIR}:ro" \
    ${GOLANGCI_IMAGE} \
    golangci-lint \
    run -v
--- a/hack/protoc.sh
+++ b/hack/protoc.sh
@ -1,11 +1,10 @@
 #!/bin/bash
-PROTOC_ALL_IMAGE=${PROTOC_ALL_IMAGE:-"namely/protoc-all:1.51_2"}
+PROTOC_ALL_IMAGE=${PROTOC_ALL_IMAGE:-"namely/protoc-all:1.51_1"}
 PROTO_PATH=pkg/apis
 LANGUAGE=go
-proto_modules="common/v1 common/v2 cdnsystem/v1 dfdaemon/v1 dfdaemon/v2
+proto_modules="common/v1 common/v2 cdnsystem/v1 dfdaemon/v1 dfdaemon/v2 errordetails/v1 errordetails/v2 manager/v1 manager/v2 scheduler/v1 scheduler/v2 security/v1"
 errordetails/v1 errordetails/v2 manager/v1 manager/v2 scheduler/v1 scheduler/v2"
 echo "generate protos..."
--- a/pkg/apis/cdnsystem/v1/cdnsystem.pb.go
+++ b/pkg/apis/cdnsystem/v1/cdnsystem.pb.go
@ -22,7 +22,7 @@
 package cdnsystem
 import (
-	v1 "d7y.io/api/v2/pkg/apis/common/v1"
+	v1 "d7y.io/api/pkg/apis/common/v1"
 	_ "github.com/envoyproxy/protoc-gen-validate/validate"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
@ -285,10 +285,10 @@ var file_pkg_apis_cdnsystem_v1_cdnsystem_proto_rawDesc = []byte{
 	0x12, 0x18, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x50, 0x69, 0x65, 0x63, 0x65, 0x54,
 	0x61, 0x73, 0x6b, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x13, 0x2e, 0x63, 0x6f, 0x6d,
 	0x6d, 0x6f, 0x6e, 0x2e, 0x50, 0x69, 0x65, 0x63, 0x65, 0x50, 0x61, 0x63, 0x6b, 0x65, 0x74, 0x28,
-	0x01, 0x30, 0x01, 0x42, 0x2f, 0x5a, 0x2d, 0x64, 0x37, 0x79, 0x2e, 0x69, 0x6f, 0x2f, 0x61, 0x70,
+	0x01, 0x30, 0x01, 0x42, 0x2c, 0x5a, 0x2a, 0x64, 0x37, 0x79, 0x2e, 0x69, 0x6f, 0x2f, 0x61, 0x70,
-	0x69, 0x2f, 0x76, 0x32, 0x2f, 0x70, 0x6b, 0x67, 0x2f, 0x61, 0x70, 0x69, 0x73, 0x2f, 0x63, 0x64,
+	0x69, 0x2f, 0x70, 0x6b, 0x67, 0x2f, 0x61, 0x70, 0x69, 0x73, 0x2f, 0x63, 0x64, 0x6e, 0x73, 0x79,
-	0x6e, 0x73, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x2f, 0x76, 0x31, 0x3b, 0x63, 0x64, 0x6e, 0x73, 0x79,
+	0x73, 0x74, 0x65, 0x6d, 0x2f, 0x76, 0x31, 0x3b, 0x63, 0x64, 0x6e, 0x73, 0x79, 0x73, 0x74, 0x65,
-	0x73, 0x74, 0x65, 0x6d, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x6d, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 var (
--- a/pkg/apis/cdnsystem/v1/cdnsystem.proto
+++ b/pkg/apis/cdnsystem/v1/cdnsystem.proto
@ -21,7 +21,7 @@ package cdnsystem;
 import "pkg/apis/common/v1/common.proto";
 import "validate/validate.proto";
-option go_package = "d7y.io/api/v2/pkg/apis/cdnsystem/v1;cdnsystem";
+option go_package = "d7y.io/api/pkg/apis/cdnsystem/v1;cdnsystem";
 message SeedRequest{
  string task_id = 1 [(validate.rules).string.min_len = 1];
--- a/pkg/apis/cdnsystem/v1/cdnsystem_grpc.pb.go
+++ b/pkg/apis/cdnsystem/v1/cdnsystem_grpc.pb.go
@ -8,7 +8,7 @@ package cdnsystem
 import (
 	context "context"
-	v1 "d7y.io/api/v2/pkg/apis/common/v1"
+	v1 "d7y.io/api/pkg/apis/common/v1"
 	grpc "google.golang.org/grpc"
 	codes "google.golang.org/grpc/codes"
 	status "google.golang.org/grpc/status"
--- a/pkg/apis/cdnsystem/v1/mocks/cdnsystem_mock.go
+++ b/pkg/apis/cdnsystem/v1/mocks/cdnsystem_mock.go
@ -1,10 +1,5 @@
 // Code generated by MockGen. DO NOT EDIT.
 // Source: ../cdnsystem_grpc.pb.go
 //
 // Generated by this command:
 //
 //	mockgen -destination cdnsystem_mock.go -source ../cdnsystem_grpc.pb.go -package mocks
 //
 // Package mocks is a generated GoMock package.
 package mocks
@ -13,9 +8,9 @@ import (
 	context "context"
 	reflect "reflect"
-	cdnsystem "d7y.io/api/v2/pkg/apis/cdnsystem/v1"
+	cdnsystem "d7y.io/api/pkg/apis/cdnsystem/v1"
-	common "d7y.io/api/v2/pkg/apis/common/v1"
+	common "d7y.io/api/pkg/apis/common/v1"
-	gomock "go.uber.org/mock/gomock"
+	gomock "github.com/golang/mock/gomock"
 	grpc "google.golang.org/grpc"
 	metadata "google.golang.org/grpc/metadata"
 )
@ -24,7 +19,6 @@ import (
 type MockSeederClient struct {
 	ctrl     *gomock.Controller
 	recorder *MockSeederClientMockRecorder
 	isgomock struct{}
 }
 // MockSeederClientMockRecorder is the mock recorder for MockSeederClient.
@ -47,7 +41,7 @@ func (m *MockSeederClient) EXPECT() *MockSeederClientMockRecorder {
 // GetPieceTasks mocks base method.
 func (m *MockSeederClient) GetPieceTasks(ctx context.Context, in *common.PieceTaskRequest, opts ...grpc.CallOption) (*common.PiecePacket, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -58,16 +52,16 @@ func (m *MockSeederClient) GetPieceTasks(ctx context.Context, in *common.PieceTa
 }
 // GetPieceTasks indicates an expected call of GetPieceTasks.
-func (mr *MockSeederClientMockRecorder) GetPieceTasks(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockSeederClientMockRecorder) GetPieceTasks(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetPieceTasks", reflect.TypeOf((*MockSeederClient)(nil).GetPieceTasks), varargs...)
 }
 // ObtainSeeds mocks base method.
 func (m *MockSeederClient) ObtainSeeds(ctx context.Context, in *cdnsystem.SeedRequest, opts ...grpc.CallOption) (cdnsystem.Seeder_ObtainSeedsClient, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -78,16 +72,16 @@ func (m *MockSeederClient) ObtainSeeds(ctx context.Context, in *cdnsystem.SeedRe
 }
 // ObtainSeeds indicates an expected call of ObtainSeeds.
-func (mr *MockSeederClientMockRecorder) ObtainSeeds(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockSeederClientMockRecorder) ObtainSeeds(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ObtainSeeds", reflect.TypeOf((*MockSeederClient)(nil).ObtainSeeds), varargs...)
 }
 // SyncPieceTasks mocks base method.
 func (m *MockSeederClient) SyncPieceTasks(ctx context.Context, opts ...grpc.CallOption) (cdnsystem.Seeder_SyncPieceTasksClient, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx}
+	varargs := []interface{}{ctx}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -98,9 +92,9 @@ func (m *MockSeederClient) SyncPieceTasks(ctx context.Context, opts ...grpc.Call
 }
 // SyncPieceTasks indicates an expected call of SyncPieceTasks.
-func (mr *MockSeederClientMockRecorder) SyncPieceTasks(ctx any, opts ...any) *gomock.Call {
+func (mr *MockSeederClientMockRecorder) SyncPieceTasks(ctx interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx}, opts...)
+	varargs := append([]interface{}{ctx}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SyncPieceTasks", reflect.TypeOf((*MockSeederClient)(nil).SyncPieceTasks), varargs...)
 }
@ -108,7 +102,6 @@ func (mr *MockSeederClientMockRecorder) SyncPieceTasks(ctx any, opts ...any) *go
 type MockSeeder_ObtainSeedsClient struct {
 	ctrl     *gomock.Controller
 	recorder *MockSeeder_ObtainSeedsClientMockRecorder
 	isgomock struct{}
 }
 // MockSeeder_ObtainSeedsClientMockRecorder is the mock recorder for MockSeeder_ObtainSeedsClient.
@ -187,7 +180,7 @@ func (mr *MockSeeder_ObtainSeedsClientMockRecorder) Recv() *gomock.Call {
 }
 // RecvMsg mocks base method.
-func (m_2 *MockSeeder_ObtainSeedsClient) RecvMsg(m any) error {
+func (m_2 *MockSeeder_ObtainSeedsClient) RecvMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "RecvMsg", m)
 	ret0, _ := ret[0].(error)
@ -195,13 +188,13 @@ func (m_2 *MockSeeder_ObtainSeedsClient) RecvMsg(m any) error {
 }
 // RecvMsg indicates an expected call of RecvMsg.
-func (mr *MockSeeder_ObtainSeedsClientMockRecorder) RecvMsg(m any) *gomock.Call {
+func (mr *MockSeeder_ObtainSeedsClientMockRecorder) RecvMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockSeeder_ObtainSeedsClient)(nil).RecvMsg), m)
 }
 // SendMsg mocks base method.
-func (m_2 *MockSeeder_ObtainSeedsClient) SendMsg(m any) error {
+func (m_2 *MockSeeder_ObtainSeedsClient) SendMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "SendMsg", m)
 	ret0, _ := ret[0].(error)
@ -209,7 +202,7 @@ func (m_2 *MockSeeder_ObtainSeedsClient) SendMsg(m any) error {
 }
 // SendMsg indicates an expected call of SendMsg.
-func (mr *MockSeeder_ObtainSeedsClientMockRecorder) SendMsg(m any) *gomock.Call {
+func (mr *MockSeeder_ObtainSeedsClientMockRecorder) SendMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockSeeder_ObtainSeedsClient)(nil).SendMsg), m)
 }
@ -232,7 +225,6 @@ func (mr *MockSeeder_ObtainSeedsClientMockRecorder) Trailer() *gomock.Call {
 type MockSeeder_SyncPieceTasksClient struct {
 	ctrl     *gomock.Controller
 	recorder *MockSeeder_SyncPieceTasksClientMockRecorder
 	isgomock struct{}
 }
 // MockSeeder_SyncPieceTasksClientMockRecorder is the mock recorder for MockSeeder_SyncPieceTasksClient.
@ -311,7 +303,7 @@ func (mr *MockSeeder_SyncPieceTasksClientMockRecorder) Recv() *gomock.Call {
 }
 // RecvMsg mocks base method.
-func (m_2 *MockSeeder_SyncPieceTasksClient) RecvMsg(m any) error {
+func (m_2 *MockSeeder_SyncPieceTasksClient) RecvMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "RecvMsg", m)
 	ret0, _ := ret[0].(error)
@ -319,7 +311,7 @@ func (m_2 *MockSeeder_SyncPieceTasksClient) RecvMsg(m any) error {
 }
 // RecvMsg indicates an expected call of RecvMsg.
-func (mr *MockSeeder_SyncPieceTasksClientMockRecorder) RecvMsg(m any) *gomock.Call {
+func (mr *MockSeeder_SyncPieceTasksClientMockRecorder) RecvMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockSeeder_SyncPieceTasksClient)(nil).RecvMsg), m)
 }
@ -333,13 +325,13 @@ func (m *MockSeeder_SyncPieceTasksClient) Send(arg0 *common.PieceTaskRequest) er
 }
 // Send indicates an expected call of Send.
-func (mr *MockSeeder_SyncPieceTasksClientMockRecorder) Send(arg0 any) *gomock.Call {
+func (mr *MockSeeder_SyncPieceTasksClientMockRecorder) Send(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockSeeder_SyncPieceTasksClient)(nil).Send), arg0)
 }
 // SendMsg mocks base method.
-func (m_2 *MockSeeder_SyncPieceTasksClient) SendMsg(m any) error {
+func (m_2 *MockSeeder_SyncPieceTasksClient) SendMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "SendMsg", m)
 	ret0, _ := ret[0].(error)
@ -347,7 +339,7 @@ func (m_2 *MockSeeder_SyncPieceTasksClient) SendMsg(m any) error {
 }
 // SendMsg indicates an expected call of SendMsg.
-func (mr *MockSeeder_SyncPieceTasksClientMockRecorder) SendMsg(m any) *gomock.Call {
+func (mr *MockSeeder_SyncPieceTasksClientMockRecorder) SendMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockSeeder_SyncPieceTasksClient)(nil).SendMsg), m)
 }
@ -370,7 +362,6 @@ func (mr *MockSeeder_SyncPieceTasksClientMockRecorder) Trailer() *gomock.Call {
 type MockSeederServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockSeederServerMockRecorder
 	isgomock struct{}
 }
 // MockSeederServerMockRecorder is the mock recorder for MockSeederServer.
@ -400,7 +391,7 @@ func (m *MockSeederServer) GetPieceTasks(arg0 context.Context, arg1 *common.Piec
 }
 // GetPieceTasks indicates an expected call of GetPieceTasks.
-func (mr *MockSeederServerMockRecorder) GetPieceTasks(arg0, arg1 any) *gomock.Call {
+func (mr *MockSeederServerMockRecorder) GetPieceTasks(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetPieceTasks", reflect.TypeOf((*MockSeederServer)(nil).GetPieceTasks), arg0, arg1)
 }
@ -414,7 +405,7 @@ func (m *MockSeederServer) ObtainSeeds(arg0 *cdnsystem.SeedRequest, arg1 cdnsyst
 }
 // ObtainSeeds indicates an expected call of ObtainSeeds.
-func (mr *MockSeederServerMockRecorder) ObtainSeeds(arg0, arg1 any) *gomock.Call {
+func (mr *MockSeederServerMockRecorder) ObtainSeeds(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ObtainSeeds", reflect.TypeOf((*MockSeederServer)(nil).ObtainSeeds), arg0, arg1)
 }
@ -428,7 +419,7 @@ func (m *MockSeederServer) SyncPieceTasks(arg0 cdnsystem.Seeder_SyncPieceTasksSe
 }
 // SyncPieceTasks indicates an expected call of SyncPieceTasks.
-func (mr *MockSeederServerMockRecorder) SyncPieceTasks(arg0 any) *gomock.Call {
+func (mr *MockSeederServerMockRecorder) SyncPieceTasks(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SyncPieceTasks", reflect.TypeOf((*MockSeederServer)(nil).SyncPieceTasks), arg0)
 }
@ -437,7 +428,6 @@ func (mr *MockSeederServerMockRecorder) SyncPieceTasks(arg0 any) *gomock.Call {
 type MockUnsafeSeederServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockUnsafeSeederServerMockRecorder
 	isgomock struct{}
 }
 // MockUnsafeSeederServerMockRecorder is the mock recorder for MockUnsafeSeederServer.
@ -473,7 +463,6 @@ func (mr *MockUnsafeSeederServerMockRecorder) mustEmbedUnimplementedSeederServer
 type MockSeeder_ObtainSeedsServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockSeeder_ObtainSeedsServerMockRecorder
 	isgomock struct{}
 }
 // MockSeeder_ObtainSeedsServerMockRecorder is the mock recorder for MockSeeder_ObtainSeedsServer.
@ -508,7 +497,7 @@ func (mr *MockSeeder_ObtainSeedsServerMockRecorder) Context() *gomock.Call {
 }
 // RecvMsg mocks base method.
-func (m_2 *MockSeeder_ObtainSeedsServer) RecvMsg(m any) error {
+func (m_2 *MockSeeder_ObtainSeedsServer) RecvMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "RecvMsg", m)
 	ret0, _ := ret[0].(error)
@ -516,7 +505,7 @@ func (m_2 *MockSeeder_ObtainSeedsServer) RecvMsg(m any) error {
 }
 // RecvMsg indicates an expected call of RecvMsg.
-func (mr *MockSeeder_ObtainSeedsServerMockRecorder) RecvMsg(m any) *gomock.Call {
+func (mr *MockSeeder_ObtainSeedsServerMockRecorder) RecvMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockSeeder_ObtainSeedsServer)(nil).RecvMsg), m)
 }
@ -530,7 +519,7 @@ func (m *MockSeeder_ObtainSeedsServer) Send(arg0 *cdnsystem.PieceSeed) error {
 }
 // Send indicates an expected call of Send.
-func (mr *MockSeeder_ObtainSeedsServerMockRecorder) Send(arg0 any) *gomock.Call {
+func (mr *MockSeeder_ObtainSeedsServerMockRecorder) Send(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockSeeder_ObtainSeedsServer)(nil).Send), arg0)
 }
@ -544,13 +533,13 @@ func (m *MockSeeder_ObtainSeedsServer) SendHeader(arg0 metadata.MD) error {
 }
 // SendHeader indicates an expected call of SendHeader.
-func (mr *MockSeeder_ObtainSeedsServerMockRecorder) SendHeader(arg0 any) *gomock.Call {
+func (mr *MockSeeder_ObtainSeedsServerMockRecorder) SendHeader(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendHeader", reflect.TypeOf((*MockSeeder_ObtainSeedsServer)(nil).SendHeader), arg0)
 }
 // SendMsg mocks base method.
-func (m_2 *MockSeeder_ObtainSeedsServer) SendMsg(m any) error {
+func (m_2 *MockSeeder_ObtainSeedsServer) SendMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "SendMsg", m)
 	ret0, _ := ret[0].(error)
@ -558,7 +547,7 @@ func (m_2 *MockSeeder_ObtainSeedsServer) SendMsg(m any) error {
 }
 // SendMsg indicates an expected call of SendMsg.
-func (mr *MockSeeder_ObtainSeedsServerMockRecorder) SendMsg(m any) *gomock.Call {
+func (mr *MockSeeder_ObtainSeedsServerMockRecorder) SendMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockSeeder_ObtainSeedsServer)(nil).SendMsg), m)
 }
@ -572,7 +561,7 @@ func (m *MockSeeder_ObtainSeedsServer) SetHeader(arg0 metadata.MD) error {
 }
 // SetHeader indicates an expected call of SetHeader.
-func (mr *MockSeeder_ObtainSeedsServerMockRecorder) SetHeader(arg0 any) *gomock.Call {
+func (mr *MockSeeder_ObtainSeedsServerMockRecorder) SetHeader(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetHeader", reflect.TypeOf((*MockSeeder_ObtainSeedsServer)(nil).SetHeader), arg0)
 }
@ -584,7 +573,7 @@ func (m *MockSeeder_ObtainSeedsServer) SetTrailer(arg0 metadata.MD) {
 }
 // SetTrailer indicates an expected call of SetTrailer.
-func (mr *MockSeeder_ObtainSeedsServerMockRecorder) SetTrailer(arg0 any) *gomock.Call {
+func (mr *MockSeeder_ObtainSeedsServerMockRecorder) SetTrailer(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetTrailer", reflect.TypeOf((*MockSeeder_ObtainSeedsServer)(nil).SetTrailer), arg0)
 }
@ -593,7 +582,6 @@ func (mr *MockSeeder_ObtainSeedsServerMockRecorder) SetTrailer(arg0 any) *gomock
 type MockSeeder_SyncPieceTasksServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockSeeder_SyncPieceTasksServerMockRecorder
 	isgomock struct{}
 }
 // MockSeeder_SyncPieceTasksServerMockRecorder is the mock recorder for MockSeeder_SyncPieceTasksServer.
@ -643,7 +631,7 @@ func (mr *MockSeeder_SyncPieceTasksServerMockRecorder) Recv() *gomock.Call {
 }
 // RecvMsg mocks base method.
-func (m_2 *MockSeeder_SyncPieceTasksServer) RecvMsg(m any) error {
+func (m_2 *MockSeeder_SyncPieceTasksServer) RecvMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "RecvMsg", m)
 	ret0, _ := ret[0].(error)
@ -651,7 +639,7 @@ func (m_2 *MockSeeder_SyncPieceTasksServer) RecvMsg(m any) error {
 }
 // RecvMsg indicates an expected call of RecvMsg.
-func (mr *MockSeeder_SyncPieceTasksServerMockRecorder) RecvMsg(m any) *gomock.Call {
+func (mr *MockSeeder_SyncPieceTasksServerMockRecorder) RecvMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockSeeder_SyncPieceTasksServer)(nil).RecvMsg), m)
 }
@ -665,7 +653,7 @@ func (m *MockSeeder_SyncPieceTasksServer) Send(arg0 *common.PiecePacket) error {
 }
 // Send indicates an expected call of Send.
-func (mr *MockSeeder_SyncPieceTasksServerMockRecorder) Send(arg0 any) *gomock.Call {
+func (mr *MockSeeder_SyncPieceTasksServerMockRecorder) Send(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockSeeder_SyncPieceTasksServer)(nil).Send), arg0)
 }
@ -679,13 +667,13 @@ func (m *MockSeeder_SyncPieceTasksServer) SendHeader(arg0 metadata.MD) error {
 }
 // SendHeader indicates an expected call of SendHeader.
-func (mr *MockSeeder_SyncPieceTasksServerMockRecorder) SendHeader(arg0 any) *gomock.Call {
+func (mr *MockSeeder_SyncPieceTasksServerMockRecorder) SendHeader(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendHeader", reflect.TypeOf((*MockSeeder_SyncPieceTasksServer)(nil).SendHeader), arg0)
 }
 // SendMsg mocks base method.
-func (m_2 *MockSeeder_SyncPieceTasksServer) SendMsg(m any) error {
+func (m_2 *MockSeeder_SyncPieceTasksServer) SendMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "SendMsg", m)
 	ret0, _ := ret[0].(error)
@ -693,7 +681,7 @@ func (m_2 *MockSeeder_SyncPieceTasksServer) SendMsg(m any) error {
 }
 // SendMsg indicates an expected call of SendMsg.
-func (mr *MockSeeder_SyncPieceTasksServerMockRecorder) SendMsg(m any) *gomock.Call {
+func (mr *MockSeeder_SyncPieceTasksServerMockRecorder) SendMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockSeeder_SyncPieceTasksServer)(nil).SendMsg), m)
 }
@ -707,7 +695,7 @@ func (m *MockSeeder_SyncPieceTasksServer) SetHeader(arg0 metadata.MD) error {
 }
 // SetHeader indicates an expected call of SetHeader.
-func (mr *MockSeeder_SyncPieceTasksServerMockRecorder) SetHeader(arg0 any) *gomock.Call {
+func (mr *MockSeeder_SyncPieceTasksServerMockRecorder) SetHeader(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetHeader", reflect.TypeOf((*MockSeeder_SyncPieceTasksServer)(nil).SetHeader), arg0)
 }
@ -719,7 +707,7 @@ func (m *MockSeeder_SyncPieceTasksServer) SetTrailer(arg0 metadata.MD) {
 }
 // SetTrailer indicates an expected call of SetTrailer.
-func (mr *MockSeeder_SyncPieceTasksServerMockRecorder) SetTrailer(arg0 any) *gomock.Call {
+func (mr *MockSeeder_SyncPieceTasksServerMockRecorder) SetTrailer(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetTrailer", reflect.TypeOf((*MockSeeder_SyncPieceTasksServer)(nil).SetTrailer), arg0)
 }
--- a/pkg/apis/common/v1/common.pb.go
+++ b/pkg/apis/common/v1/common.pb.go
@ -233,16 +233,14 @@ func (PieceStyle) EnumDescriptor() ([]byte, []int) {
 type SizeScope int32
 const (
-	// NORMAL task has pieces is more than one piece.
+	// size > one piece size.
 	SizeScope_NORMAL SizeScope = 0
-	// SMALL task's content length is more than 128 byte and has only one piece.
+	// 128 byte < size <= one piece size and be plain type.
 	SizeScope_SMALL SizeScope = 1
-	// TINY task's content length is less than 128 byte.
+	// size <= 128 byte and be plain type.
 	SizeScope_TINY SizeScope = 2
-	// EMPTY task's content length is equal to zero.
+	// size == 0 byte and be plain type.
 	SizeScope_EMPTY SizeScope = 3
 	// UNKNOW task has invalid size scope.
 	SizeScope_UNKNOW SizeScope = 4
 )
 // Enum value maps for SizeScope.
@ -252,14 +250,12 @@ var (
 		1: "SMALL",
 		2: "TINY",
 		3: "EMPTY",
 		4: "UNKNOW",
 	}
 	SizeScope_value = map[string]int32{
 		"NORMAL": 0,
 		"SMALL":  1,
 		"TINY":   2,
 		"EMPTY":  3,
 		"UNKNOW": 4,
 	}
 )
@ -959,6 +955,8 @@ type Host struct {
 	Port int32 `protobuf:"varint,4,opt,name=port,proto3" json:"port,omitempty"`
 	// Port of download server.
 	DownloadPort int32 `protobuf:"varint,5,opt,name=download_port,json=downloadPort,proto3" json:"download_port,omitempty"`
 	// Security domain for network.
 	SecurityDomain string `protobuf:"bytes,6,opt,name=security_domain,json=securityDomain,proto3" json:"security_domain,omitempty"`
 	// Host location, eg: area|country|province|city.
 	Location string `protobuf:"bytes,7,opt,name=location,proto3" json:"location,omitempty"`
 	// IDC where the peer host is located.
@ -1032,6 +1030,13 @@ func (x *Host) GetDownloadPort() int32 {
 	return 0
 }
 func (x *Host) GetSecurityDomain() string {
 	if x != nil {
 		return x.SecurityDomain
 	}
 	return ""
 }
 func (x *Host) GetLocation() string {
 	if x != nil {
 		return x.Location
@ -1057,182 +1062,180 @@ var file_pkg_apis_common_v1_common_proto_rawDesc = []byte{
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 	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 var (
--- a/pkg/apis/common/v1/common.pb.validate.go
+++ b/pkg/apis/common/v1/common.pb.validate.go
@ -164,7 +164,7 @@ func (m *UrlMeta) validate(all bool) error {
 		if !_UrlMeta_Digest_Pattern.MatchString(m.GetDigest()) {
 			err := UrlMetaValidationError{
 				field:  "Digest",
-				reason: "value does not match regex pattern \"^(md5:[a-fA-F0-9]{32}|sha1:[a-fA-F0-9]{40}|sha256:[a-fA-F0-9]{64}|sha512:[a-fA-F0-9]{128})$\"",
+				reason: "value does not match regex pattern \"^(md5)|(sha256):[A-Fa-f0-9]+$\"",
 			}
 			if !all {
 				return err
@ -276,7 +276,7 @@ var _ interface {
 	ErrorName() string
 } = UrlMetaValidationError{}
-var _UrlMeta_Digest_Pattern = regexp.MustCompile("^(md5:[a-fA-F0-9]{32}|sha1:[a-fA-F0-9]{40}|sha256:[a-fA-F0-9]{64}|sha512:[a-fA-F0-9]{128})$")
+var _UrlMeta_Digest_Pattern = regexp.MustCompile("^(md5)|(sha256):[A-Fa-f0-9]+$")
 var _UrlMeta_Range_Pattern = regexp.MustCompile("^[0-9]+-[0-9]*$")
@ -983,6 +983,21 @@ func (m *Host) validate(all bool) error {
 		errors = append(errors, err)
 	}
 	if m.GetSecurityDomain() != "" {
 		if utf8.RuneCountInString(m.GetSecurityDomain()) < 1 {
 			err := HostValidationError{
 				field:  "SecurityDomain",
 				reason: "value length must be at least 1 runes",
 			}
 			if !all {
 				return err
 			}
 			errors = append(errors, err)
 		}
 	}
 	if m.GetLocation() != "" {
 		if utf8.RuneCountInString(m.GetLocation()) < 1 {
--- a/pkg/apis/common/v1/common.proto
+++ b/pkg/apis/common/v1/common.proto
@ -20,7 +20,7 @@ package common;
 import "validate/validate.proto";
-option go_package = "d7y.io/api/v2/pkg/apis/common/v1;common";
+option go_package = "d7y.io/api/pkg/apis/common/v1;common";
 // Code represents the code of the grpc api.
 enum Code {
@ -86,20 +86,17 @@ enum PieceStyle {
 // SizeScope represents size scope of task.
 enum SizeScope {
-  // NORMAL task has pieces is more than one piece.
+  // size > one piece size.
  NORMAL = 0;
-  // SMALL task's content length is more than 128 byte and has only one piece.
+  // 128 byte < size <= one piece size and be plain type.
  SMALL = 1;
-  // TINY task's content length is less than 128 byte.
+  // size <= 128 byte and be plain type.
  TINY = 2;
-  // EMPTY task's content length is equal to zero.
+  // size == 0 byte and be plain type.
  EMPTY = 3;
  // UNKNOW task has invalid size scope.
  UNKNOW = 4;
 }
 // TaskType represents type of task.
@ -163,7 +160,7 @@ message GrpcDfError {
 // UrlMeta describes url meta info.
 message UrlMeta {
  // Digest checks integrity of url content, for example md5:xxx or sha256:yyy.
-  string digest = 1 [(validate.rules).string = {pattern: "^(md5:[a-fA-F0-9]{32}|sha1:[a-fA-F0-9]{40}|sha256:[a-fA-F0-9]{64}|sha512:[a-fA-F0-9]{128})$", ignore_empty:true}];
+  string digest = 1 [(validate.rules).string = {pattern: "^(md5)|(sha256):[A-Fa-f0-9]+$", ignore_empty:true}];
  // URL tag identifies different task for same url, conflict with digest.
  string tag = 2;
  // Content range for url.
@ -241,6 +238,8 @@ message Host {
  int32 port = 4 [(validate.rules).int32 = {gte: 1024, lt: 65535}];
  // Port of download server.
  int32 download_port = 5 [(validate.rules).int32 = {gte: 1024, lt: 65535}];
  // Security domain for network.
  string security_domain = 6 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
  // Host location, eg: area|country|province|city.
  string location = 7 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
  // IDC where the peer host is located.
--- a/pkg/apis/common/v2/common.pb.go
+++ b/pkg/apis/common/v2/common.pb.go
--- a/pkg/apis/common/v2/common.pb.validate.go
+++ b/pkg/apis/common/v2/common.pb.validate.go
--- a/pkg/apis/common/v2/common.proto
+++ b/pkg/apis/common/v2/common.proto
@ -22,46 +22,37 @@ import "validate/validate.proto";
 import "google/protobuf/duration.proto";
 import "google/protobuf/timestamp.proto";
-option go_package = "d7y.io/api/v2/pkg/apis/common/v2;common";
+option go_package = "d7y.io/api/pkg/apis/common/v2;common";
 // SizeScope represents size scope of task.
 enum SizeScope {
-  // NORMAL task has pieces is more than one piece.
+  // size > one piece size.
  NORMAL = 0;
-  // SMALL task's content length is more than 128 byte and has only one piece.
+  // 128 byte < size <= one piece size and be plain type.
  SMALL = 1;
-  // TINY task's content length is less than 128 byte.
+  // size <= 128 byte and be plain type.
  TINY = 2;
-  // EMPTY task's content length is equal to zero.
+  // size == 0 byte and be plain type.
  EMPTY = 3;
  // UNKNOW task has invalid size scope.
  UNKNOW = 4;
 }
 // TaskType represents type of task.
 enum TaskType {
-  // STANDARD is standard type of task, it can download from source, remote peer and
+  // DFDAEMON is dfdeamon type of task,
-  // local peer(local cache). When the standard task is never downloaded in the
+  // dfdeamon task is a normal p2p task.
-  // P2P cluster, dfdaemon will download the task from the source. When the standard
+  DFDAEMON = 0;
  // task is downloaded in the P2P cluster, dfdaemon will download the task from
  // the remote peer or local peer(local cache).
  STANDARD = 0;
-  // PERSISTENT is persistent type of task, it can import file and export file in P2P cluster.
+  // DFCACHE is dfcache type of task,
-  // When the persistent task is imported into the P2P cluster, dfdaemon will store
+  // dfcache task is a cache task, and the task url is fake url.
-  // the task in the peer's disk and copy multiple replicas to remote peers to
+  // It can only be used for caching and cannot be downloaded back to source.
-  // prevent data loss.
+  DFCACHE = 1;
  PERSISTENT = 1;
-  // PERSIST_CACHE is persistent cache type of task, it can import file and export file in P2P cluster.
+  // DFSTORE is dfstore type of task,
-  // When the persistent cache task is imported into the P2P cluster, dfdaemon will store
+  // dfstore task is a persistent task in backend.
-  // the task in the peer's disk and copy multiple replicas to remote peers to prevent data loss.
+  DFSTORE = 2;
  // When the expiration time is reached, task will be deleted in the P2P cluster.
  PERSISTENT_CACHE = 2;
 }
 // TrafficType represents type of traffic.
@ -116,404 +107,124 @@ enum Priority {
 message Peer {
  // Peer id.
  string id = 1 [(validate.rules).string.min_len = 1];
  // Range is url range of request.
  optional Range range = 2;
  // Peer priority.
  Priority priority = 3 [(validate.rules).enum.defined_only = true];
  // Pieces of peer.
-  repeated Piece pieces = 4 [(validate.rules).repeated = {min_items: 1, ignore_empty: true}];
+  repeated Piece pieces = 2 [(validate.rules).repeated = {min_items: 1, ignore_empty: true}];
  // Peer downloads costs time.
  google.protobuf.Duration cost = 5 [(validate.rules).duration.required = true];
  // Peer state.
  string state = 6 [(validate.rules).string.min_len = 1];
  // Task info.
-  Task task = 7 [(validate.rules).message.required = true];
+  Task task = 3 [(validate.rules).message.required = true];
  // Host info.
-  Host host = 8 [(validate.rules).message.required = true];
+  Host host = 4 [(validate.rules).message.required = true];
  // NeedBackToSource needs downloaded from source.
  bool need_back_to_source = 9;
  // Peer create time.
  google.protobuf.Timestamp created_at = 10 [(validate.rules).timestamp.required = true];
  // Peer update time.
  google.protobuf.Timestamp updated_at = 11 [(validate.rules).timestamp.required = true];
 }
 // PersistentCachePeer metadata.
 message PersistentCachePeer {
  // Peer id.
  string id = 1 [(validate.rules).string.min_len = 1];
  // Persistent represents whether the persistent cache peer is persistent.
  // If the persistent cache peer is persistent, the persistent cache peer will
  // not be deleted when dfdaemon runs garbage collection. It only be deleted
  // when the task is deleted by the user.
  bool persistent = 2;
  // Peer downloads costs time.
  google.protobuf.Duration cost = 3 [(validate.rules).duration.required = true];
  // Peer state.
-  string state = 4 [(validate.rules).string.min_len = 1];
+  string state = 5 [(validate.rules).string.min_len = 1];
  // Task info.
  PersistentCacheTask task = 5 [(validate.rules).message.required = true];
  // Host info.
  Host host = 6 [(validate.rules).message.required = true];
  // Peer create time.
-  google.protobuf.Timestamp created_at = 7 [(validate.rules).timestamp.required = true];
+  google.protobuf.Timestamp created_at = 6 [(validate.rules).timestamp.required = true];
  // Peer update time.
-  google.protobuf.Timestamp updated_at = 8 [(validate.rules).timestamp.required = true];
+  google.protobuf.Timestamp updated_at = 7 [(validate.rules).timestamp.required = true];
 }
 // Task metadata.
 message Task {
  // Task id.
  string id = 1 [(validate.rules).string.min_len = 1];
-  // Task type.
+  // Host type.
-  TaskType type = 2 [(validate.rules).enum.defined_only = true];
+  string type = 2 [(validate.rules).string = {in: ["normal", "super", "strong", "weak"]}];
  // Download url.
  string url = 3 [(validate.rules).string.uri = true];
  // Verifies task data integrity after download using a digest. Supports CRC32, SHA256, and SHA512 algorithms.
  // Format: `<algorithm>:<hash>`, e.g., `crc32:xxx`, `sha256:yyy`, `sha512:zzz`.
  // Returns an error if the computed digest mismatches the expected value.
  //
  // Performance
  // Digest calculation increases processing time. Enable only when data integrity verification is critical.
  optional string digest = 4 [(validate.rules).string = {pattern: "^(md5:[a-fA-F0-9]{32}|sha1:[a-fA-F0-9]{40}|sha256:[a-fA-F0-9]{64}|sha512:[a-fA-F0-9]{128}|blake3:[a-fA-F0-9]{64}|crc32:[a-fA-F0-9]+)$", ignore_empty: true}];
  // URL tag identifies different task for same url.
  optional string tag = 5;
  // Application of task.
  optional string application = 6;
  // Filtered query params to generate the task id.
  // When filter is ["Signature", "Expires", "ns"], for example:
  // http://example.com/xyz?Expires=e1&Signature=s1&ns=docker.io and http://example.com/xyz?Expires=e2&Signature=s2&ns=docker.io
  // will generate the same task id.
  // Default value includes the filtered query params of s3, gcs, oss, obs, cos.
  repeated string filtered_query_params = 7;
  // Task request headers.
  map<string, string> request_header = 8;
  // Task content length.
  uint64 content_length = 9;
  // Task piece count.
  uint32 piece_count = 10;
  // Task size scope.
-  SizeScope size_scope = 11;
+  SizeScope size_scope = 3;
  // Pieces of task.
-  repeated Piece pieces = 12 [(validate.rules).repeated = {min_items: 1, ignore_empty: true}];
+  repeated Piece pieces = 4 [(validate.rules).repeated = {min_items: 1, ignore_empty: true}];
  // Task state.
-  string state = 13 [(validate.rules).string.min_len = 1];
+  string state = 5 [(validate.rules).string.min_len = 1];
-  // Task peer count.
+  // Task metadata.
-  uint32 peer_count = 14;
+  Metadata metadata = 6 [(validate.rules).message.required = true];
  // Task contains available peer.
  bool has_available_peer = 15;
  // Task create time.
  google.protobuf.Timestamp created_at = 16 [(validate.rules).timestamp.required = true];
  // Task update time.
  google.protobuf.Timestamp updated_at = 17 [(validate.rules).timestamp.required = true];
 }
 // PersistentCacheTask metadata.
 message PersistentCacheTask {
  // Task id.
  string id = 1 [(validate.rules).string.min_len = 1];
  // Replica count of the persistent cache task. The persistent cache task will
  // not be deleted when dfdamon runs garbage collection. It only be deleted
  // when the task is deleted by the user.
  uint64 persistent_replica_count = 2 [(validate.rules).uint64.gte = 1];
  // Current replica count of the persistent cache task. The persistent cache task
  // will not be deleted when dfdaemon runs garbage collection. It only be deleted
  // when the task is deleted by the user.
  uint64 current_persistent_replica_count = 3;
  // Current replica count of the cache task. If cache task is not persistent,
  // the persistent cache task will be deleted when dfdaemon runs garbage collection.
  uint64 current_replica_count = 4;
  // Tag is used to distinguish different persistent cache tasks.
  optional string tag = 5;
  // Application of task.
  optional string application = 6;
  // Task piece length.
  uint64 piece_length = 7 [(validate.rules).uint64.gte = 4194304];
  // Task content length.
-  uint64 content_length = 8;
+  int64 content_length = 7 [(validate.rules).int64.gte = 1];
-  // Task piece count.
+  // Task peer count.
-  uint32 piece_count = 9;
+  int32 peer_count = 8 [(validate.rules).int32.gte = 0];
-  // Task state.
+  // Task contains available peer.
-  string state = 10 [(validate.rules).string.min_len = 1];
+  bool hasAvailablePeer = 9;
  // TTL of the persistent cache task.
  google.protobuf.Duration ttl = 11 [(validate.rules).duration.required = true];
  // Task create time.
-  google.protobuf.Timestamp created_at = 12 [(validate.rules).timestamp.required = true];
+  google.protobuf.Timestamp created_at = 10 [(validate.rules).timestamp.required = true];
  // Task update time.
-  google.protobuf.Timestamp updated_at = 13 [(validate.rules).timestamp.required = true];
+  google.protobuf.Timestamp updated_at = 11 [(validate.rules).timestamp.required = true];
 }
 // Host metadata.
 message Host {
  // Host id.
  string id = 1 [(validate.rules).string.min_len = 1];
  // Host type.
  uint32 type = 2 [(validate.rules).uint32.lte = 3];
  // Hostname.
  string hostname = 3 [(validate.rules).string.min_len = 1];
  // Host ip.
-  string ip = 4 [(validate.rules).string.ip = true];
+  string ip = 2 [(validate.rules).string.min_len = 1];
  // Peer hostname.
  string hostname = 3 [(validate.rules).string.hostname = true];
  // Port of grpc service.
-  int32 port = 5 [(validate.rules).int32 = {gte: 1024, lt: 65535}];
+  int32 port = 4 [(validate.rules).int32 = {gte: 1024, lt: 65535}];
  // Port of download server.
-  int32 download_port = 6 [(validate.rules).int32 = {gte: 1024, lt: 65535}];
+  int32 download_port = 5 [(validate.rules).int32 = {gte: 1024, lt: 65535}];
-  // Host OS.
+  // Security domain for network.
-  string os = 7;
+  string security_domain = 6 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
-  // Host platform.
+  // Host location, eg: area|country|province|city.
-  string platform = 8;
+  string location = 7 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
-  // Host platform family.
+  // IDC where the peer host is located.
-  string platform_family = 9;
+  string idc = 8 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
  // Host platform version.
  string platform_version = 10;
  // Host kernel version.
  string kernel_version = 11;
  // CPU Stat.
  optional CPU cpu = 12;
  // Memory Stat.
  optional Memory memory = 13;
  // Network Stat.
  optional Network network = 14;
  // Disk Stat.
  optional Disk disk = 15;
  // Build information.
  optional Build build = 16;
  // ID of the cluster to which the host belongs.
  uint64 scheduler_cluster_id = 17;
  // Disable shared data for other peers.
  bool disable_shared = 18;
 }
 // CPU Stat.
 message CPU {
  // Number of logical cores in the system.
  uint32 logical_count = 1;
  // Number of physical cores in the system
  uint32 physical_count = 2;
  // Percent calculates the percentage of cpu used.
  double percent = 3 [(validate.rules).double.gte = 0];
  // Calculates the percentage of cpu used by process.
  double process_percent = 4 [(validate.rules).double.gte = 0];
  // CPUTimes contains the amounts of time the CPU has spent performing different kinds of work.
  optional CPUTimes times = 5;
 }
 // CPUTimes contains the amounts of time the CPU has spent performing different
 // kinds of work. Time units are in seconds.
 message CPUTimes {
  // CPU time of user.
  double user = 1 [(validate.rules).double.gte = 0];
  // CPU time of system.
  double system = 2 [(validate.rules).double.gte = 0];
  // CPU time of idle.
  double idle = 3 [(validate.rules).double.gte = 0];
  // CPU time of nice.
  double nice = 4 [(validate.rules).double.gte = 0];
  // CPU time of iowait.
  double iowait = 5 [(validate.rules).double.gte = 0];
  // CPU time of irq.
  double irq = 6 [(validate.rules).double.gte = 0];
  // CPU time of softirq.
  double softirq = 7 [(validate.rules).double.gte = 0];
  // CPU time of steal.
  double steal = 8 [(validate.rules).double.gte = 0];
  // CPU time of guest.
  double guest = 9 [(validate.rules).double.gte = 0];
  // CPU time of guest nice.
  double guest_nice = 10 [(validate.rules).double.gte = 0];
 }
 // Memory Stat.
 message Memory {
  // Total amount of RAM on this system.
  uint64 total = 1;
  // RAM available for programs to allocate.
  uint64 available = 2;
  // RAM used by programs.
  uint64 used = 3;
  // Percentage of RAM used by programs.
  double used_percent = 4 [(validate.rules).double = {gte: 0, lte: 100}];
  // Calculates the percentage of memory used by process.
  double process_used_percent = 5 [(validate.rules).double = {gte: 0, lte: 100}];
  // This is the kernel's notion of free memory.
  uint64 free = 6;
 }
 // Network Stat.
 message Network {
  // Return count of tcp connections opened and status is ESTABLISHED.
  uint32 tcp_connection_count = 1;
  // Return count of upload tcp connections opened and status is ESTABLISHED.
  uint32 upload_tcp_connection_count = 2;
  // Location path(area|country|province|city|...).
  optional string location = 3;
  // IDC where the peer host is located
  optional string idc = 4;
  // Download rate is received bytes per second.
  uint64 download_rate = 5;
  // Download rate is the limit of received bytes per second.
  uint64 download_rate_limit = 6;
  // Upload rate is transmitted bytes per second.
  uint64 upload_rate = 7;
  // Upload rate is the limit of transmitted bytes per second.
  uint64 upload_rate_limit = 8;
 }
 // Disk Stat.
 message Disk {
  // Total amount of disk on the data path of dragonfly.
  uint64 total = 1;
  // Free amount of disk on the data path of dragonfly.
  uint64 free = 2;
  // Used amount of disk on the data path of dragonfly.
  uint64 used = 3;
  // Used percent of disk on the data path of dragonfly directory.
  double used_percent = 4 [(validate.rules).double = {gte: 0, lte: 100}];
  // Total amount of indoes on the data path of dragonfly directory.
  uint64 inodes_total = 5;
  // Used amount of indoes on the data path of dragonfly directory.
  uint64 inodes_used = 6;
  // Free amount of indoes on the data path of dragonfly directory.
  uint64 inodes_free = 7;
  // Used percent of indoes on the data path of dragonfly directory.
  double inodes_used_percent = 8 [(validate.rules).double = {gte: 0, lte: 100}];
  // Disk read bandwidth, in bytes per second.
  uint64 read_bandwidth = 9;
  // Disk write bandwidth, in bytes per second.
  uint64 write_bandwidth = 10;
 }
 // Build information.
 message Build {
  // Git version.
  string git_version = 1;
  // Git commit.
  optional string git_commit = 2;
  // Golang version.
  optional string go_version = 3;
  // Rust version.
  optional string rust_version = 4;
  // Build platform.
  optional string platform = 5;
 }
 // Download information.
 message Download {
  // Download url.
  string url = 1 [(validate.rules).string.uri = true];
  // Digest of the task digest, for example blake3:xxx or sha256:yyy.
  optional string digest = 2 [(validate.rules).string = {pattern: "^(md5:[a-fA-F0-9]{32}|sha1:[a-fA-F0-9]{40}|sha256:[a-fA-F0-9]{64}|sha512:[a-fA-F0-9]{128}|blake3:[a-fA-F0-9]{64}|crc32:[a-fA-F0-9]+)$", ignore_empty: true}];
  // Range is url range of request. If protocol is http, range
  // will set in request header. If protocol is others, range
  // will set in range field.
  optional Range range = 3;
  // Task type.
  TaskType type = 4 [(validate.rules).enum.defined_only = true];
  // URL tag identifies different task for same url.
  optional string tag = 5;
  // Application of task.
  optional string application = 6;
  // Peer priority.
  Priority priority = 7 [(validate.rules).enum.defined_only = true];
  // Filtered query params to generate the task id.
  // When filter is ["Signature", "Expires", "ns"], for example:
  // http://example.com/xyz?Expires=e1&Signature=s1&ns=docker.io and http://example.com/xyz?Expires=e2&Signature=s2&ns=docker.io
  // will generate the same task id.
  // Default value includes the filtered query params of s3, gcs, oss, obs, cos.
  repeated string filtered_query_params = 8;
  // Task request headers.
  map<string, string> request_header = 9;
  // Task piece length, the value needs to be greater than or equal to 4194304(4MiB).
  optional uint64 piece_length = 10 [(validate.rules).uint64 = {gte: 4194304, ignore_empty: true}];
  // File path to be downloaded. If output_path is set, the downloaded file will be saved to the specified path.
  // Dfdaemon will try to create hard link to the output path before starting the download. If hard link creation fails,
  // it will copy the file to the output path after the download is completed.
  // For more details refer to https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.
  optional string output_path = 11 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
  // Download timeout.
  optional google.protobuf.Duration timeout = 12;
  // Dfdaemon cannot download the task from the source if disable_back_to_source is true.
  bool disable_back_to_source = 13;
  // Scheduler needs to schedule the task downloads from the source if need_back_to_source is true.
  bool need_back_to_source = 14;
  // certificate_chain is the client certs with DER format for the backend client to download back-to-source.
  repeated bytes certificate_chain = 15;
  // Prefetch pre-downloads all pieces of the task when the download task request is a range request.
  bool prefetch = 16;
  // Object storage protocol information.
  optional ObjectStorage object_storage = 17;
  // HDFS protocol information.
  optional HDFS hdfs = 18;
  // is_prefetch is the flag to indicate whether the request is a prefetch request.
  bool is_prefetch = 19;
  // need_piece_content is the flag to indicate whether the response needs to return piece content.
  bool need_piece_content = 20;
  // load_to_cache indicates whether the content downloaded will be stored in the cache storage.
  // Cache storage is designed to store downloaded piece content from preheat tasks, 
  // allowing other peers to access the content from memory instead of disk.
  bool load_to_cache = 21;
  // force_hard_link is the flag to indicate whether the download file must be hard linked to the output path.
  // For more details refer to https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.
  bool force_hard_link = 22;
  // content_for_calculating_task_id is the content used to calculate the task id.
  // If content_for_calculating_task_id is set, use its value to calculate the task ID.
  // Otherwise, calculate the task ID based on url, piece_length, tag, application, and filtered_query_params.
  optional string content_for_calculating_task_id = 23;
  // remote_ip represents the IP address of the client initiating the download request.
  // For proxy requests, it is set to the IP address of the request source.
  // For dfget requests, it is set to the IP address of the dfget.
  optional string remote_ip = 24 [(validate.rules).string = {ip: true, ignore_empty: true}];
 }
 // Object Storage related information.
 message ObjectStorage {
  // Region is the region of the object storage service.
  optional string region = 1 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
  // Endpoint is the endpoint of the object storage service.
  optional string endpoint = 2 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
  // Access key that used to access the object storage service.
  optional string access_key_id = 3 [(validate.rules).string.min_len = 1];
  // Access secret that used to access the object storage service.
  optional string access_key_secret = 4 [(validate.rules).string.min_len = 1];
  // Session token that used to access s3 storage service.
  optional string session_token = 5 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
  // Local path to credential file for Google Cloud Storage service OAuth2 authentication.
  optional string credential_path = 6 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
  // Predefined ACL that used for the Google Cloud Storage service.
  optional string predefined_acl = 7 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
 }
 // HDFS related information.
 message HDFS {
  // Delegation token for Web HDFS operator.
  optional string delegation_token = 1 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
 }
 // Range represents download range.
 message Range {
-  // Start of range.
+  // Begin of range.
-  uint64 start = 1;
+  uint64 begin = 1;
-  // Length of range.
+  // End of range.
-  uint64 length = 2;
+  uint64 end = 2;
 }
 // Metadata represents metadata of task.
 message Metadata {
  // Download url.
  string url = 1 [(validate.rules).string.uri = true];
  // Digest of the pieces digest, for example md5:xxx or sha256:yyy.
  string digest = 2 [(validate.rules).string = {pattern: "^(md5)|(sha256):[A-Fa-f0-9]+$", ignore_empty: true}];
  // Range is url range of request.
  Range range = 3;
  // Task type.
  TaskType type = 4 [(validate.rules).enum.defined_only = true];
  // URL tag identifies different task for same url.
  string tag = 5;
  // Application of task.
  string application = 6;
  // Peer priority.
  Priority priority = 7 [(validate.rules).enum.defined_only = true];
  // Filter url used to generate task id.
  repeated string filters = 8;
  // Task request headers.
  map<string, string> header = 9;
  // Task piece size.
  int32 piece_size = 10 [(validate.rules).int32.gte = 1];
 }
 // Piece represents information of piece.
 message Piece {
  // Piece number.
-  uint32 number = 1;
+  uint32 number = 1 [(validate.rules).uint32.gte = 0];
  // Parent peer id.
-  optional string parent_id = 2 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
+  string parent_id = 2 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
  // Piece offset.
-  uint64 offset = 3;
+  uint64 offset = 3 [(validate.rules).uint64.gte = 0];
-  // Piece length.
+  // Piece size.
-  uint64 length = 4;
+  uint64 size = 4 [(validate.rules).uint64.gt = 0];
-  // Digest of the piece data, for example blake3:xxx or sha256:yyy.
+  // Digest of the piece data, for example md5:xxx or sha256:yyy.
-  string digest = 5 [(validate.rules).string = {pattern: "^(md5:[a-fA-F0-9]{32}|sha1:[a-fA-F0-9]{40}|sha256:[a-fA-F0-9]{64}|sha512:[a-fA-F0-9]{128}|blake3:[a-fA-F0-9]{64}|crc32:[a-fA-F0-9]+)$", ignore_empty: true}];
+  string digest = 5 [(validate.rules).string = {pattern: "^(md5)|(sha256):[A-Fa-f0-9]+$", ignore_empty: true}];
  // Piece content.
  optional bytes content = 6 [(validate.rules).bytes = {min_len: 1, ignore_empty: true}];
  // Traffic type.
-  optional TrafficType traffic_type = 7;
+  TrafficType traffic_type = 6;
  // Downloading piece costs time.
-  google.protobuf.Duration cost = 8 [(validate.rules).duration.required = true];
+  google.protobuf.Duration cost = 7 [(validate.rules).duration.required = true];
  // Piece create time.
-  google.protobuf.Timestamp created_at = 9 [(validate.rules).timestamp.required = true];
+  google.protobuf.Timestamp created_at = 8 [(validate.rules).timestamp.required = true];
 }
 // ExtendAttribute represents extend of attribution.
 message ExtendAttribute {
  // Task response header, eg: HTTP Response Header
  map<string, string> header = 1;
  // Task response code, eg: HTTP Status Code
  int32 status_code = 2 [(validate.rules).int32 = {gte: 100, lt: 599}];
  // Task response status, eg: HTTP Status
  string status = 3 [(validate.rules).string.min_len = 1];
 }
--- a/pkg/apis/dfdaemon/v1/dfdaemon.pb.go
+++ b/pkg/apis/dfdaemon/v1/dfdaemon.pb.go
@ -22,7 +22,7 @@
 package dfdaemon
 import (
-	v1 "d7y.io/api/v2/pkg/apis/common/v1"
+	v1 "d7y.io/api/pkg/apis/common/v1"
 	_ "github.com/envoyproxy/protoc-gen-validate/validate"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
@ -38,62 +38,6 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 // PeerState represents state of peer task.
 type PeerState int32
 const (
 	PeerState_Unknown PeerState = 0
 	PeerState_Running PeerState = 1
 	PeerState_Success PeerState = 2
 	PeerState_Failed  PeerState = 3
 	PeerState_Deleted PeerState = 4
 )
 // Enum value maps for PeerState.
 var (
 	PeerState_name = map[int32]string{
 		0: "Unknown",
 		1: "Running",
 		2: "Success",
 		3: "Failed",
 		4: "Deleted",
 	}
 	PeerState_value = map[string]int32{
 		"Unknown": 0,
 		"Running": 1,
 		"Success": 2,
 		"Failed":  3,
 		"Deleted": 4,
 	}
 )
 func (x PeerState) Enum() *PeerState {
 	p := new(PeerState)
 	*p = x
 	return p
 }
 func (x PeerState) String() string {
 	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
 }
 func (PeerState) Descriptor() protoreflect.EnumDescriptor {
 	return file_pkg_apis_dfdaemon_v1_dfdaemon_proto_enumTypes[0].Descriptor()
 }
 func (PeerState) Type() protoreflect.EnumType {
 	return &file_pkg_apis_dfdaemon_v1_dfdaemon_proto_enumTypes[0]
 }
 func (x PeerState) Number() protoreflect.EnumNumber {
 	return protoreflect.EnumNumber(x)
 }
 // Deprecated: Use PeerState.Descriptor instead.
 func (PeerState) EnumDescriptor() ([]byte, []int) {
 	return file_pkg_apis_dfdaemon_v1_dfdaemon_proto_rawDescGZIP(), []int{0}
 }
 type DownRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@ -627,118 +571,6 @@ func (x *DeleteTaskRequest) GetUrlMeta() *v1.UrlMeta {
 	return nil
 }
 // PeerMetadata represents metadata of a peer task.
 type PeerMetadata struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 	TaskId string    `protobuf:"bytes,1,opt,name=task_id,json=taskId,proto3" json:"task_id,omitempty"`
 	PeerId string    `protobuf:"bytes,2,opt,name=peer_id,json=peerId,proto3" json:"peer_id,omitempty"`
 	State  PeerState `protobuf:"varint,3,opt,name=state,proto3,enum=dfdaemon.PeerState" json:"state,omitempty"`
 }
 func (x *PeerMetadata) Reset() {
 	*x = PeerMetadata{}
 	if protoimpl.UnsafeEnabled {
 		mi := &file_pkg_apis_dfdaemon_v1_dfdaemon_proto_msgTypes[6]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
 }
 func (x *PeerMetadata) String() string {
 	return protoimpl.X.MessageStringOf(x)
 }
 func (*PeerMetadata) ProtoMessage() {}
 func (x *PeerMetadata) ProtoReflect() protoreflect.Message {
 	mi := &file_pkg_apis_dfdaemon_v1_dfdaemon_proto_msgTypes[6]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
 		}
 		return ms
 	}
 	return mi.MessageOf(x)
 }
 // Deprecated: Use PeerMetadata.ProtoReflect.Descriptor instead.
 func (*PeerMetadata) Descriptor() ([]byte, []int) {
 	return file_pkg_apis_dfdaemon_v1_dfdaemon_proto_rawDescGZIP(), []int{6}
 }
 func (x *PeerMetadata) GetTaskId() string {
 	if x != nil {
 		return x.TaskId
 	}
 	return ""
 }
 func (x *PeerMetadata) GetPeerId() string {
 	if x != nil {
 		return x.PeerId
 	}
 	return ""
 }
 func (x *PeerMetadata) GetState() PeerState {
 	if x != nil {
 		return x.State
 	}
 	return PeerState_Unknown
 }
 // PeerExchangeData represents metadata of peer tasks.
 type PeerExchangeData struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 	PeerMetadatas []*PeerMetadata `protobuf:"bytes,1,rep,name=PeerMetadatas,proto3" json:"PeerMetadatas,omitempty"`
 }
 func (x *PeerExchangeData) Reset() {
 	*x = PeerExchangeData{}
 	if protoimpl.UnsafeEnabled {
 		mi := &file_pkg_apis_dfdaemon_v1_dfdaemon_proto_msgTypes[7]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
 }
 func (x *PeerExchangeData) String() string {
 	return protoimpl.X.MessageStringOf(x)
 }
 func (*PeerExchangeData) ProtoMessage() {}
 func (x *PeerExchangeData) ProtoReflect() protoreflect.Message {
 	mi := &file_pkg_apis_dfdaemon_v1_dfdaemon_proto_msgTypes[7]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
 		}
 		return ms
 	}
 	return mi.MessageOf(x)
 }
 // Deprecated: Use PeerExchangeData.ProtoReflect.Descriptor instead.
 func (*PeerExchangeData) Descriptor() ([]byte, []int) {
 	return file_pkg_apis_dfdaemon_v1_dfdaemon_proto_rawDescGZIP(), []int{7}
 }
 func (x *PeerExchangeData) GetPeerMetadatas() []*PeerMetadata {
 	if x != nil {
 		return x.PeerMetadatas
 	}
 	return nil
 }
 var File_pkg_apis_dfdaemon_v1_dfdaemon_proto protoreflect.FileDescriptor
 var file_pkg_apis_dfdaemon_v1_dfdaemon_proto_rawDesc = []byte{
@ -750,7 +582,7 @@ var file_pkg_apis_dfdaemon_v1_dfdaemon_proto_rawDesc = []byte{
 	0x1a, 0x1b, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75,
 	0x66, 0x2f, 0x65, 0x6d, 0x70, 0x74, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a, 0x17, 0x76,
 	0x61, 0x6c, 0x69, 0x64, 0x61, 0x74, 0x65, 0x2f, 0x76, 0x61, 0x6c, 0x69, 0x64, 0x61, 0x74, 0x65,
-	0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0x81, 0x03, 0x0a, 0x0b, 0x44, 0x6f, 0x77, 0x6e, 0x52,
+	0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0xf7, 0x02, 0x0a, 0x0b, 0x44, 0x6f, 0x77, 0x6e, 0x52,
 	0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x12, 0x0a, 0x04, 0x75, 0x75, 0x69, 0x64, 0x18, 0x01,
 	0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x75, 0x75, 0x69, 0x64, 0x12, 0x1a, 0x0a, 0x03, 0x75, 0x72,
 	0x6c, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x42, 0x08, 0xfa, 0x42, 0x05, 0x72, 0x03, 0x88, 0x01,
@ -764,133 +596,104 @@ var file_pkg_apis_dfdaemon_v1_dfdaemon_proto_rawDesc = []byte{
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 	0x67, 0x2f, 0x61, 0x70, 0x69, 0x73, 0x2f, 0x64, 0x66, 0x64, 0x61, 0x65, 0x6d, 0x6f, 0x6e, 0x2f,
 	0x76, 0x31, 0x3b, 0x64, 0x66, 0x64, 0x61, 0x65, 0x6d, 0x6f, 0x6e, 0x62, 0x06, 0x70, 0x72, 0x6f,
 	0x74, 0x6f, 0x33,
 }
 var (
@ -905,58 +708,48 @@ func file_pkg_apis_dfdaemon_v1_dfdaemon_proto_rawDescGZIP() []byte {
 	return file_pkg_apis_dfdaemon_v1_dfdaemon_proto_rawDescData
 }
-var file_pkg_apis_dfdaemon_v1_dfdaemon_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
+var file_pkg_apis_dfdaemon_v1_dfdaemon_proto_msgTypes = make([]protoimpl.MessageInfo, 6)
 var file_pkg_apis_dfdaemon_v1_dfdaemon_proto_msgTypes = make([]protoimpl.MessageInfo, 8)
 var file_pkg_apis_dfdaemon_v1_dfdaemon_proto_goTypes = []interface{}{
-	(PeerState)(0),              // 0: dfdaemon.PeerState
+	(*DownRequest)(nil),         // 0: dfdaemon.DownRequest
-	(*DownRequest)(nil),         // 1: dfdaemon.DownRequest
+	(*DownResult)(nil),          // 1: dfdaemon.DownResult
-	(*DownResult)(nil),          // 2: dfdaemon.DownResult
+	(*StatTaskRequest)(nil),     // 2: dfdaemon.StatTaskRequest
-	(*StatTaskRequest)(nil),     // 3: dfdaemon.StatTaskRequest
+	(*ImportTaskRequest)(nil),   // 3: dfdaemon.ImportTaskRequest
-	(*ImportTaskRequest)(nil),   // 4: dfdaemon.ImportTaskRequest
+	(*ExportTaskRequest)(nil),   // 4: dfdaemon.ExportTaskRequest
-	(*ExportTaskRequest)(nil),   // 5: dfdaemon.ExportTaskRequest
+	(*DeleteTaskRequest)(nil),   // 5: dfdaemon.DeleteTaskRequest
-	(*DeleteTaskRequest)(nil),   // 6: dfdaemon.DeleteTaskRequest
+	(*v1.UrlMeta)(nil),          // 6: common.UrlMeta
-	(*PeerMetadata)(nil),        // 7: dfdaemon.PeerMetadata
+	(v1.TaskType)(0),            // 7: common.TaskType
-	(*PeerExchangeData)(nil),    // 8: dfdaemon.PeerExchangeData
+	(*v1.PieceTaskRequest)(nil), // 8: common.PieceTaskRequest
-	(*v1.UrlMeta)(nil),          // 9: common.UrlMeta
+	(*emptypb.Empty)(nil),       // 9: google.protobuf.Empty
-	(v1.TaskType)(0),            // 10: common.TaskType
+	(*v1.PiecePacket)(nil),      // 10: common.PiecePacket
 	(*v1.PieceTaskRequest)(nil), // 11: common.PieceTaskRequest
 	(*emptypb.Empty)(nil),       // 12: google.protobuf.Empty
 	(*v1.PiecePacket)(nil),      // 13: common.PiecePacket
 }
 var file_pkg_apis_dfdaemon_v1_dfdaemon_proto_depIdxs = []int32{
-	9,  // 0: dfdaemon.DownRequest.url_meta:type_name -> common.UrlMeta
+	6,  // 0: dfdaemon.DownRequest.url_meta:type_name -> common.UrlMeta
-	9,  // 1: dfdaemon.StatTaskRequest.url_meta:type_name -> common.UrlMeta
+	6,  // 1: dfdaemon.StatTaskRequest.url_meta:type_name -> common.UrlMeta
-	9,  // 2: dfdaemon.ImportTaskRequest.url_meta:type_name -> common.UrlMeta
+	6,  // 2: dfdaemon.ImportTaskRequest.url_meta:type_name -> common.UrlMeta
-	10, // 3: dfdaemon.ImportTaskRequest.type:type_name -> common.TaskType
+	7,  // 3: dfdaemon.ImportTaskRequest.type:type_name -> common.TaskType
-	9,  // 4: dfdaemon.ExportTaskRequest.url_meta:type_name -> common.UrlMeta
+	6,  // 4: dfdaemon.ExportTaskRequest.url_meta:type_name -> common.UrlMeta
-	9,  // 5: dfdaemon.DeleteTaskRequest.url_meta:type_name -> common.UrlMeta
+	6,  // 5: dfdaemon.DeleteTaskRequest.url_meta:type_name -> common.UrlMeta
-	0,  // 6: dfdaemon.PeerMetadata.state:type_name -> dfdaemon.PeerState
+	0,  // 6: dfdaemon.Daemon.Download:input_type -> dfdaemon.DownRequest
-	7,  // 7: dfdaemon.PeerExchangeData.PeerMetadatas:type_name -> dfdaemon.PeerMetadata
+	8,  // 7: dfdaemon.Daemon.GetPieceTasks:input_type -> common.PieceTaskRequest
-	1,  // 8: dfdaemon.Daemon.Download:input_type -> dfdaemon.DownRequest
+	9,  // 8: dfdaemon.Daemon.CheckHealth:input_type -> google.protobuf.Empty
-	11, // 9: dfdaemon.Daemon.GetPieceTasks:input_type -> common.PieceTaskRequest
+	8,  // 9: dfdaemon.Daemon.SyncPieceTasks:input_type -> common.PieceTaskRequest
-	12, // 10: dfdaemon.Daemon.CheckHealth:input_type -> google.protobuf.Empty
+	2,  // 10: dfdaemon.Daemon.StatTask:input_type -> dfdaemon.StatTaskRequest
-	11, // 11: dfdaemon.Daemon.SyncPieceTasks:input_type -> common.PieceTaskRequest
+	3,  // 11: dfdaemon.Daemon.ImportTask:input_type -> dfdaemon.ImportTaskRequest
-	3,  // 12: dfdaemon.Daemon.StatTask:input_type -> dfdaemon.StatTaskRequest
+	4,  // 12: dfdaemon.Daemon.ExportTask:input_type -> dfdaemon.ExportTaskRequest
-	4,  // 13: dfdaemon.Daemon.ImportTask:input_type -> dfdaemon.ImportTaskRequest
+	5,  // 13: dfdaemon.Daemon.DeleteTask:input_type -> dfdaemon.DeleteTaskRequest
-	5,  // 14: dfdaemon.Daemon.ExportTask:input_type -> dfdaemon.ExportTaskRequest
+	1,  // 14: dfdaemon.Daemon.Download:output_type -> dfdaemon.DownResult
-	6,  // 15: dfdaemon.Daemon.DeleteTask:input_type -> dfdaemon.DeleteTaskRequest
+	10, // 15: dfdaemon.Daemon.GetPieceTasks:output_type -> common.PiecePacket
-	12, // 16: dfdaemon.Daemon.LeaveHost:input_type -> google.protobuf.Empty
+	9,  // 16: dfdaemon.Daemon.CheckHealth:output_type -> google.protobuf.Empty
-	8,  // 17: dfdaemon.Daemon.PeerExchange:input_type -> dfdaemon.PeerExchangeData
+	10, // 17: dfdaemon.Daemon.SyncPieceTasks:output_type -> common.PiecePacket
-	2,  // 18: dfdaemon.Daemon.Download:output_type -> dfdaemon.DownResult
+	9,  // 18: dfdaemon.Daemon.StatTask:output_type -> google.protobuf.Empty
-	13, // 19: dfdaemon.Daemon.GetPieceTasks:output_type -> common.PiecePacket
+	9,  // 19: dfdaemon.Daemon.ImportTask:output_type -> google.protobuf.Empty
-	12, // 20: dfdaemon.Daemon.CheckHealth:output_type -> google.protobuf.Empty
+	9,  // 20: dfdaemon.Daemon.ExportTask:output_type -> google.protobuf.Empty
-	13, // 21: dfdaemon.Daemon.SyncPieceTasks:output_type -> common.PiecePacket
+	9,  // 21: dfdaemon.Daemon.DeleteTask:output_type -> google.protobuf.Empty
-	12, // 22: dfdaemon.Daemon.StatTask:output_type -> google.protobuf.Empty
+	14, // [14:22] is the sub-list for method output_type
-	12, // 23: dfdaemon.Daemon.ImportTask:output_type -> google.protobuf.Empty
+	6,  // [6:14] is the sub-list for method input_type
-	12, // 24: dfdaemon.Daemon.ExportTask:output_type -> google.protobuf.Empty
+	6,  // [6:6] is the sub-list for extension type_name
-	12, // 25: dfdaemon.Daemon.DeleteTask:output_type -> google.protobuf.Empty
+	6,  // [6:6] is the sub-list for extension extendee
-	12, // 26: dfdaemon.Daemon.LeaveHost:output_type -> google.protobuf.Empty
+	0,  // [0:6] is the sub-list for field type_name
 	8,  // 27: dfdaemon.Daemon.PeerExchange:output_type -> dfdaemon.PeerExchangeData
 	18, // [18:28] is the sub-list for method output_type
 	8,  // [8:18] is the sub-list for method input_type
 	8,  // [8:8] is the sub-list for extension type_name
 	8,  // [8:8] is the sub-list for extension extendee
 	0,  // [0:8] is the sub-list for field type_name
 }
 func init() { file_pkg_apis_dfdaemon_v1_dfdaemon_proto_init() }
@ -1037,44 +830,19 @@ func file_pkg_apis_dfdaemon_v1_dfdaemon_proto_init() {
 				return nil
 			}
 		}
 		file_pkg_apis_dfdaemon_v1_dfdaemon_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*PeerMetadata); i {
 			case 0:
 				return &v.state
 			case 1:
 				return &v.sizeCache
 			case 2:
 				return &v.unknownFields
 			default:
 				return nil
 			}
 		}
 		file_pkg_apis_dfdaemon_v1_dfdaemon_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*PeerExchangeData); i {
 			case 0:
 				return &v.state
 			case 1:
 				return &v.sizeCache
 			case 2:
 				return &v.unknownFields
 			default:
 				return nil
 			}
 		}
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_pkg_apis_dfdaemon_v1_dfdaemon_proto_rawDesc,
-			NumEnums:      1,
+			NumEnums:      0,
-			NumMessages:   8,
+			NumMessages:   6,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
 		GoTypes:           file_pkg_apis_dfdaemon_v1_dfdaemon_proto_goTypes,
 		DependencyIndexes: file_pkg_apis_dfdaemon_v1_dfdaemon_proto_depIdxs,
 		EnumInfos:         file_pkg_apis_dfdaemon_v1_dfdaemon_proto_enumTypes,
 		MessageInfos:      file_pkg_apis_dfdaemon_v1_dfdaemon_proto_msgTypes,
 	}.Build()
 	File_pkg_apis_dfdaemon_v1_dfdaemon_proto = out.File
--- a/pkg/apis/dfdaemon/v1/dfdaemon.pb.validate.go
+++ b/pkg/apis/dfdaemon/v1/dfdaemon.pb.validate.go
@ -18,7 +18,7 @@ import (
 	"google.golang.org/protobuf/types/known/anypb"
-	common "d7y.io/api/v2/pkg/apis/common/v1"
+	common "d7y.io/api/pkg/apis/common/v1"
 )
 // ensure the imports are used
@ -119,17 +119,6 @@ func (m *DownRequest) validate(all bool) error {
 	// no validation rules for DisableBackSource
 	if m.GetUrlMeta() == nil {
 		err := DownRequestValidationError{
 			field:  "UrlMeta",
 			reason: "value is required",
 		}
 		if !all {
 			return err
 		}
 		errors = append(errors, err)
 	}
 	if all {
 		switch v := interface{}(m.GetUrlMeta()).(type) {
 		case interface{ ValidateAll() error }:
@ -413,17 +402,6 @@ func (m *StatTaskRequest) validate(all bool) error {
 		errors = append(errors, err)
 	}
 	if m.GetUrlMeta() == nil {
 		err := StatTaskRequestValidationError{
 			field:  "UrlMeta",
 			reason: "value is required",
 		}
 		if !all {
 			return err
 		}
 		errors = append(errors, err)
 	}
 	if all {
 		switch v := interface{}(m.GetUrlMeta()).(type) {
 		case interface{ ValidateAll() error }:
@ -566,17 +544,6 @@ func (m *ImportTaskRequest) validate(all bool) error {
 		errors = append(errors, err)
 	}
 	if m.GetUrlMeta() == nil {
 		err := ImportTaskRequestValidationError{
 			field:  "UrlMeta",
 			reason: "value is required",
 		}
 		if !all {
 			return err
 		}
 		errors = append(errors, err)
 	}
 	if all {
 		switch v := interface{}(m.GetUrlMeta()).(type) {
 		case interface{ ValidateAll() error }:
@ -765,17 +732,6 @@ func (m *ExportTaskRequest) validate(all bool) error {
 		errors = append(errors, err)
 	}
 	if m.GetUrlMeta() == nil {
 		err := ExportTaskRequestValidationError{
 			field:  "UrlMeta",
 			reason: "value is required",
 		}
 		if !all {
 			return err
 		}
 		errors = append(errors, err)
 	}
 	if all {
 		switch v := interface{}(m.GetUrlMeta()).(type) {
 		case interface{ ValidateAll() error }:
@ -924,17 +880,6 @@ func (m *DeleteTaskRequest) validate(all bool) error {
 		errors = append(errors, err)
 	}
 	if m.GetUrlMeta() == nil {
 		err := DeleteTaskRequestValidationError{
 			field:  "UrlMeta",
 			reason: "value is required",
 		}
 		if !all {
 			return err
 		}
 		errors = append(errors, err)
 	}
 	if all {
 		switch v := interface{}(m.GetUrlMeta()).(type) {
 		case interface{ ValidateAll() error }:
@ -1043,242 +988,3 @@ var _ interface {
 	Cause() error
 	ErrorName() string
 } = DeleteTaskRequestValidationError{}
 // Validate checks the field values on PeerMetadata with the rules defined in
 // the proto definition for this message. If any rules are violated, the first
 // error encountered is returned, or nil if there are no violations.
 func (m *PeerMetadata) Validate() error {
 	return m.validate(false)
 }
 // ValidateAll checks the field values on PeerMetadata with the rules defined
 // in the proto definition for this message. If any rules are violated, the
 // result is a list of violation errors wrapped in PeerMetadataMultiError, or
 // nil if none found.
 func (m *PeerMetadata) ValidateAll() error {
 	return m.validate(true)
 }
 func (m *PeerMetadata) validate(all bool) error {
 	if m == nil {
 		return nil
 	}
 	var errors []error
 	// no validation rules for TaskId
 	// no validation rules for PeerId
 	// no validation rules for State
 	if len(errors) > 0 {
 		return PeerMetadataMultiError(errors)
 	}
 	return nil
 }
 // PeerMetadataMultiError is an error wrapping multiple validation errors
 // returned by PeerMetadata.ValidateAll() if the designated constraints aren't met.
 type PeerMetadataMultiError []error
 // Error returns a concatenation of all the error messages it wraps.
 func (m PeerMetadataMultiError) Error() string {
 	var msgs []string
 	for _, err := range m {
 		msgs = append(msgs, err.Error())
 	}
 	return strings.Join(msgs, "; ")
 }
 // AllErrors returns a list of validation violation errors.
 func (m PeerMetadataMultiError) AllErrors() []error { return m }
 // PeerMetadataValidationError is the validation error returned by
 // PeerMetadata.Validate if the designated constraints aren't met.
 type PeerMetadataValidationError struct {
 	field  string
 	reason string
 	cause  error
 	key    bool
 }
 // Field function returns field value.
 func (e PeerMetadataValidationError) Field() string { return e.field }
 // Reason function returns reason value.
 func (e PeerMetadataValidationError) Reason() string { return e.reason }
 // Cause function returns cause value.
 func (e PeerMetadataValidationError) Cause() error { return e.cause }
 // Key function returns key value.
 func (e PeerMetadataValidationError) Key() bool { return e.key }
 // ErrorName returns error name.
 func (e PeerMetadataValidationError) ErrorName() string { return "PeerMetadataValidationError" }
 // Error satisfies the builtin error interface
 func (e PeerMetadataValidationError) Error() string {
 	cause := ""
 	if e.cause != nil {
 		cause = fmt.Sprintf(" | caused by: %v", e.cause)
 	}
 	key := ""
 	if e.key {
 		key = "key for "
 	}
 	return fmt.Sprintf(
 		"invalid %sPeerMetadata.%s: %s%s",
 		key,
 		e.field,
 		e.reason,
 		cause)
 }
 var _ error = PeerMetadataValidationError{}
 var _ interface {
 	Field() string
 	Reason() string
 	Key() bool
 	Cause() error
 	ErrorName() string
 } = PeerMetadataValidationError{}
 // Validate checks the field values on PeerExchangeData with the rules defined
 // in the proto definition for this message. If any rules are violated, the
 // first error encountered is returned, or nil if there are no violations.
 func (m *PeerExchangeData) Validate() error {
 	return m.validate(false)
 }
 // ValidateAll checks the field values on PeerExchangeData with the rules
 // defined in the proto definition for this message. If any rules are
 // violated, the result is a list of violation errors wrapped in
 // PeerExchangeDataMultiError, or nil if none found.
 func (m *PeerExchangeData) ValidateAll() error {
 	return m.validate(true)
 }
 func (m *PeerExchangeData) validate(all bool) error {
 	if m == nil {
 		return nil
 	}
 	var errors []error
 	for idx, item := range m.GetPeerMetadatas() {
 		_, _ = idx, item
 		if all {
 			switch v := interface{}(item).(type) {
 			case interface{ ValidateAll() error }:
 				if err := v.ValidateAll(); err != nil {
 					errors = append(errors, PeerExchangeDataValidationError{
 						field:  fmt.Sprintf("PeerMetadatas[%v]", idx),
 						reason: "embedded message failed validation",
 						cause:  err,
 					})
 				}
 			case interface{ Validate() error }:
 				if err := v.Validate(); err != nil {
 					errors = append(errors, PeerExchangeDataValidationError{
 						field:  fmt.Sprintf("PeerMetadatas[%v]", idx),
 						reason: "embedded message failed validation",
 						cause:  err,
 					})
 				}
 			}
 		} else if v, ok := interface{}(item).(interface{ Validate() error }); ok {
 			if err := v.Validate(); err != nil {
 				return PeerExchangeDataValidationError{
 					field:  fmt.Sprintf("PeerMetadatas[%v]", idx),
 					reason: "embedded message failed validation",
 					cause:  err,
 				}
 			}
 		}
 	}
 	if len(errors) > 0 {
 		return PeerExchangeDataMultiError(errors)
 	}
 	return nil
 }
 // PeerExchangeDataMultiError is an error wrapping multiple validation errors
 // returned by PeerExchangeData.ValidateAll() if the designated constraints
 // aren't met.
 type PeerExchangeDataMultiError []error
 // Error returns a concatenation of all the error messages it wraps.
 func (m PeerExchangeDataMultiError) Error() string {
 	var msgs []string
 	for _, err := range m {
 		msgs = append(msgs, err.Error())
 	}
 	return strings.Join(msgs, "; ")
 }
 // AllErrors returns a list of validation violation errors.
 func (m PeerExchangeDataMultiError) AllErrors() []error { return m }
 // PeerExchangeDataValidationError is the validation error returned by
 // PeerExchangeData.Validate if the designated constraints aren't met.
 type PeerExchangeDataValidationError struct {
 	field  string
 	reason string
 	cause  error
 	key    bool
 }
 // Field function returns field value.
 func (e PeerExchangeDataValidationError) Field() string { return e.field }
 // Reason function returns reason value.
 func (e PeerExchangeDataValidationError) Reason() string { return e.reason }
 // Cause function returns cause value.
 func (e PeerExchangeDataValidationError) Cause() error { return e.cause }
 // Key function returns key value.
 func (e PeerExchangeDataValidationError) Key() bool { return e.key }
 // ErrorName returns error name.
 func (e PeerExchangeDataValidationError) ErrorName() string { return "PeerExchangeDataValidationError" }
 // Error satisfies the builtin error interface
 func (e PeerExchangeDataValidationError) Error() string {
 	cause := ""
 	if e.cause != nil {
 		cause = fmt.Sprintf(" | caused by: %v", e.cause)
 	}
 	key := ""
 	if e.key {
 		key = "key for "
 	}
 	return fmt.Sprintf(
 		"invalid %sPeerExchangeData.%s: %s%s",
 		key,
 		e.field,
 		e.reason,
 		cause)
 }
 var _ error = PeerExchangeDataValidationError{}
 var _ interface {
 	Field() string
 	Reason() string
 	Key() bool
 	Cause() error
 	ErrorName() string
 } = PeerExchangeDataValidationError{}
--- a/pkg/apis/dfdaemon/v1/dfdaemon.proto
+++ b/pkg/apis/dfdaemon/v1/dfdaemon.proto
@ -22,7 +22,7 @@ import "pkg/apis/common/v1/common.proto";
 import "google/protobuf/empty.proto";
 import "validate/validate.proto";
-option go_package = "d7y.io/api/v2/pkg/apis/dfdaemon/v1;dfdaemon";
+option go_package = "d7y.io/api/pkg/apis/dfdaemon/v1;dfdaemon";
 message DownRequest{
  // Identify one downloading, the framework will fill it automatically.
@ -40,7 +40,7 @@ message DownRequest{
  // Disable back-to-source.
  bool disable_back_source = 6;
  // URL meta info.
-  common.UrlMeta url_meta = 7 [(validate.rules).message.required = true];
+  common.UrlMeta url_meta = 7;
  // User id.
  int64 uid = 10;
  // Group id.
@ -68,7 +68,7 @@ message StatTaskRequest{
  // Download url.
  string url = 1 [(validate.rules).string.min_len = 1];
  // URL meta info.
-  common.UrlMeta url_meta = 2 [(validate.rules).message.required = true];
+  common.UrlMeta url_meta = 2;
  // Check local cache only.
  bool local_only = 3;
 }
@ -77,7 +77,7 @@ message ImportTaskRequest{
  // Download url.
  string url = 1 [(validate.rules).string.min_len = 1];
  // URL meta info.
-  common.UrlMeta url_meta = 2 [(validate.rules).message.required = true];
+  common.UrlMeta url_meta = 2;
  // File to be imported.
  string path = 3 [(validate.rules).string.min_len = 1];
  // Task type.
@ -94,7 +94,7 @@ message ExportTaskRequest{
  // Rate limit in bytes per second.
  double limit = 4 [(validate.rules).double.gte = 0];
  // URL meta info.
-  common.UrlMeta url_meta = 5 [(validate.rules).message.required = true];
+  common.UrlMeta url_meta = 5;
  // User id.
  int64 uid = 7;
  // Group id.
@ -107,28 +107,7 @@ message DeleteTaskRequest{
  // Download url.
  string url = 1 [(validate.rules).string.min_len = 1];
  // URL meta info.
-  common.UrlMeta url_meta = 2 [(validate.rules).message.required = true];
+  common.UrlMeta url_meta = 2;
 }
 // PeerState represents state of peer task.
 enum PeerState {
  Unknown = 0;
  Running = 1;
  Success = 2;
  Failed = 3;
  Deleted = 4;
 }
 // PeerMetadata represents metadata of a peer task.
 message PeerMetadata {
  string task_id = 1;
  string peer_id = 2;
  PeerState state = 3;
 }
 // PeerExchangeData represents metadata of peer tasks.
 message PeerExchangeData {
  repeated PeerMetadata PeerMetadatas= 1;
 }
 // Daemon Client RPC Service
@ -149,8 +128,4 @@ service Daemon{
  rpc ExportTask(ExportTaskRequest) returns(google.protobuf.Empty);
  // Delete file from P2P cache system
  rpc DeleteTask(DeleteTaskRequest) returns(google.protobuf.Empty);
  // LeaveHost releases host in scheduler.
  rpc LeaveHost(google.protobuf.Empty)returns(google.protobuf.Empty);
  // Exchange peers between daemons
  rpc PeerExchange(stream PeerExchangeData)returns(stream PeerExchangeData);
 }
--- a/pkg/apis/dfdaemon/v1/dfdaemon_grpc.pb.go
+++ b/pkg/apis/dfdaemon/v1/dfdaemon_grpc.pb.go
@ -8,7 +8,7 @@ package dfdaemon
 import (
 	context "context"
-	v1 "d7y.io/api/v2/pkg/apis/common/v1"
+	v1 "d7y.io/api/pkg/apis/common/v1"
 	grpc "google.golang.org/grpc"
 	codes "google.golang.org/grpc/codes"
 	status "google.golang.org/grpc/status"
@ -40,10 +40,6 @@ type DaemonClient interface {
 	ExportTask(ctx context.Context, in *ExportTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	// Delete file from P2P cache system
 	DeleteTask(ctx context.Context, in *DeleteTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	// LeaveHost releases host in scheduler.
 	LeaveHost(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	// Exchange peers between daemons
 	PeerExchange(ctx context.Context, opts ...grpc.CallOption) (Daemon_PeerExchangeClient, error)
 }
 type daemonClient struct {
@ -171,46 +167,6 @@ func (c *daemonClient) DeleteTask(ctx context.Context, in *DeleteTaskRequest, op
 	return out, nil
 }
 func (c *daemonClient) LeaveHost(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	out := new(emptypb.Empty)
 	err := c.cc.Invoke(ctx, "/dfdaemon.Daemon/LeaveHost", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 func (c *daemonClient) PeerExchange(ctx context.Context, opts ...grpc.CallOption) (Daemon_PeerExchangeClient, error) {
 	stream, err := c.cc.NewStream(ctx, &Daemon_ServiceDesc.Streams[2], "/dfdaemon.Daemon/PeerExchange", opts...)
 	if err != nil {
 		return nil, err
 	}
 	x := &daemonPeerExchangeClient{stream}
 	return x, nil
 }
 type Daemon_PeerExchangeClient interface {
 	Send(*PeerExchangeData) error
 	Recv() (*PeerExchangeData, error)
 	grpc.ClientStream
 }
 type daemonPeerExchangeClient struct {
 	grpc.ClientStream
 }
 func (x *daemonPeerExchangeClient) Send(m *PeerExchangeData) error {
 	return x.ClientStream.SendMsg(m)
 }
 func (x *daemonPeerExchangeClient) Recv() (*PeerExchangeData, error) {
 	m := new(PeerExchangeData)
 	if err := x.ClientStream.RecvMsg(m); err != nil {
 		return nil, err
 	}
 	return m, nil
 }
 // DaemonServer is the server API for Daemon service.
 // All implementations should embed UnimplementedDaemonServer
 // for forward compatibility
@ -231,10 +187,6 @@ type DaemonServer interface {
 	ExportTask(context.Context, *ExportTaskRequest) (*emptypb.Empty, error)
 	// Delete file from P2P cache system
 	DeleteTask(context.Context, *DeleteTaskRequest) (*emptypb.Empty, error)
 	// LeaveHost releases host in scheduler.
 	LeaveHost(context.Context, *emptypb.Empty) (*emptypb.Empty, error)
 	// Exchange peers between daemons
 	PeerExchange(Daemon_PeerExchangeServer) error
 }
 // UnimplementedDaemonServer should be embedded to have forward compatible implementations.
@ -265,12 +217,6 @@ func (UnimplementedDaemonServer) ExportTask(context.Context, *ExportTaskRequest)
 func (UnimplementedDaemonServer) DeleteTask(context.Context, *DeleteTaskRequest) (*emptypb.Empty, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method DeleteTask not implemented")
 }
 func (UnimplementedDaemonServer) LeaveHost(context.Context, *emptypb.Empty) (*emptypb.Empty, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method LeaveHost not implemented")
 }
 func (UnimplementedDaemonServer) PeerExchange(Daemon_PeerExchangeServer) error {
 	return status.Errorf(codes.Unimplemented, "method PeerExchange not implemented")
 }
 // UnsafeDaemonServer may be embedded to opt out of forward compatibility for this service.
 // Use of this interface is not recommended, as added methods to DaemonServer will
@ -438,50 +384,6 @@ func _Daemon_DeleteTask_Handler(srv interface{}, ctx context.Context, dec func(i
 	return interceptor(ctx, in, info, handler)
 }
 func _Daemon_LeaveHost_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(emptypb.Empty)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(DaemonServer).LeaveHost(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/dfdaemon.Daemon/LeaveHost",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(DaemonServer).LeaveHost(ctx, req.(*emptypb.Empty))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 func _Daemon_PeerExchange_Handler(srv interface{}, stream grpc.ServerStream) error {
 	return srv.(DaemonServer).PeerExchange(&daemonPeerExchangeServer{stream})
 }
 type Daemon_PeerExchangeServer interface {
 	Send(*PeerExchangeData) error
 	Recv() (*PeerExchangeData, error)
 	grpc.ServerStream
 }
 type daemonPeerExchangeServer struct {
 	grpc.ServerStream
 }
 func (x *daemonPeerExchangeServer) Send(m *PeerExchangeData) error {
 	return x.ServerStream.SendMsg(m)
 }
 func (x *daemonPeerExchangeServer) Recv() (*PeerExchangeData, error) {
 	m := new(PeerExchangeData)
 	if err := x.ServerStream.RecvMsg(m); err != nil {
 		return nil, err
 	}
 	return m, nil
 }
 // Daemon_ServiceDesc is the grpc.ServiceDesc for Daemon service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
@ -513,10 +415,6 @@ var Daemon_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "DeleteTask",
 			Handler:    _Daemon_DeleteTask_Handler,
 		},
 		{
 			MethodName: "LeaveHost",
 			Handler:    _Daemon_LeaveHost_Handler,
 		},
 	},
 	Streams: []grpc.StreamDesc{
 		{
@ -530,12 +428,6 @@ var Daemon_ServiceDesc = grpc.ServiceDesc{
 			ServerStreams: true,
 			ClientStreams: true,
 		},
 		{
 			StreamName:    "PeerExchange",
 			Handler:       _Daemon_PeerExchange_Handler,
 			ServerStreams: true,
 			ClientStreams: true,
 		},
 	},
 	Metadata: "pkg/apis/dfdaemon/v1/dfdaemon.proto",
 }
--- a/pkg/apis/dfdaemon/v1/mocks/dfdaemon_mock.go
+++ b/pkg/apis/dfdaemon/v1/mocks/dfdaemon_mock.go
@ -1,10 +1,5 @@
 // Code generated by MockGen. DO NOT EDIT.
 // Source: ../dfdaemon_grpc.pb.go
 //
 // Generated by this command:
 //
 //	mockgen -destination dfdaemon_mock.go -source ../dfdaemon_grpc.pb.go -package mocks
 //
 // Package mocks is a generated GoMock package.
 package mocks
@ -13,9 +8,9 @@ import (
 	context "context"
 	reflect "reflect"
-	common "d7y.io/api/v2/pkg/apis/common/v1"
+	common "d7y.io/api/pkg/apis/common/v1"
-	dfdaemon "d7y.io/api/v2/pkg/apis/dfdaemon/v1"
+	dfdaemon "d7y.io/api/pkg/apis/dfdaemon/v1"
-	gomock "go.uber.org/mock/gomock"
+	gomock "github.com/golang/mock/gomock"
 	grpc "google.golang.org/grpc"
 	metadata "google.golang.org/grpc/metadata"
 	emptypb "google.golang.org/protobuf/types/known/emptypb"
@ -25,7 +20,6 @@ import (
 type MockDaemonClient struct {
 	ctrl     *gomock.Controller
 	recorder *MockDaemonClientMockRecorder
 	isgomock struct{}
 }
 // MockDaemonClientMockRecorder is the mock recorder for MockDaemonClient.
@ -48,7 +42,7 @@ func (m *MockDaemonClient) EXPECT() *MockDaemonClientMockRecorder {
 // CheckHealth mocks base method.
 func (m *MockDaemonClient) CheckHealth(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -59,16 +53,16 @@ func (m *MockDaemonClient) CheckHealth(ctx context.Context, in *emptypb.Empty, o
 }
 // CheckHealth indicates an expected call of CheckHealth.
-func (mr *MockDaemonClientMockRecorder) CheckHealth(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockDaemonClientMockRecorder) CheckHealth(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CheckHealth", reflect.TypeOf((*MockDaemonClient)(nil).CheckHealth), varargs...)
 }
 // DeleteTask mocks base method.
 func (m *MockDaemonClient) DeleteTask(ctx context.Context, in *dfdaemon.DeleteTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -79,16 +73,16 @@ func (m *MockDaemonClient) DeleteTask(ctx context.Context, in *dfdaemon.DeleteTa
 }
 // DeleteTask indicates an expected call of DeleteTask.
-func (mr *MockDaemonClientMockRecorder) DeleteTask(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockDaemonClientMockRecorder) DeleteTask(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteTask", reflect.TypeOf((*MockDaemonClient)(nil).DeleteTask), varargs...)
 }
 // Download mocks base method.
 func (m *MockDaemonClient) Download(ctx context.Context, in *dfdaemon.DownRequest, opts ...grpc.CallOption) (dfdaemon.Daemon_DownloadClient, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -99,16 +93,16 @@ func (m *MockDaemonClient) Download(ctx context.Context, in *dfdaemon.DownReques
 }
 // Download indicates an expected call of Download.
-func (mr *MockDaemonClientMockRecorder) Download(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockDaemonClientMockRecorder) Download(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Download", reflect.TypeOf((*MockDaemonClient)(nil).Download), varargs...)
 }
 // ExportTask mocks base method.
 func (m *MockDaemonClient) ExportTask(ctx context.Context, in *dfdaemon.ExportTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -119,16 +113,16 @@ func (m *MockDaemonClient) ExportTask(ctx context.Context, in *dfdaemon.ExportTa
 }
 // ExportTask indicates an expected call of ExportTask.
-func (mr *MockDaemonClientMockRecorder) ExportTask(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockDaemonClientMockRecorder) ExportTask(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ExportTask", reflect.TypeOf((*MockDaemonClient)(nil).ExportTask), varargs...)
 }
 // GetPieceTasks mocks base method.
 func (m *MockDaemonClient) GetPieceTasks(ctx context.Context, in *common.PieceTaskRequest, opts ...grpc.CallOption) (*common.PiecePacket, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -139,16 +133,16 @@ func (m *MockDaemonClient) GetPieceTasks(ctx context.Context, in *common.PieceTa
 }
 // GetPieceTasks indicates an expected call of GetPieceTasks.
-func (mr *MockDaemonClientMockRecorder) GetPieceTasks(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockDaemonClientMockRecorder) GetPieceTasks(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetPieceTasks", reflect.TypeOf((*MockDaemonClient)(nil).GetPieceTasks), varargs...)
 }
 // ImportTask mocks base method.
 func (m *MockDaemonClient) ImportTask(ctx context.Context, in *dfdaemon.ImportTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -159,56 +153,16 @@ func (m *MockDaemonClient) ImportTask(ctx context.Context, in *dfdaemon.ImportTa
 }
 // ImportTask indicates an expected call of ImportTask.
-func (mr *MockDaemonClientMockRecorder) ImportTask(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockDaemonClientMockRecorder) ImportTask(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ImportTask", reflect.TypeOf((*MockDaemonClient)(nil).ImportTask), varargs...)
 }
 // LeaveHost mocks base method.
 func (m *MockDaemonClient) LeaveHost(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
 	varargs := []any{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
 	ret := m.ctrl.Call(m, "LeaveHost", varargs...)
 	ret0, _ := ret[0].(*emptypb.Empty)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // LeaveHost indicates an expected call of LeaveHost.
 func (mr *MockDaemonClientMockRecorder) LeaveHost(ctx, in any, opts ...any) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]any{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "LeaveHost", reflect.TypeOf((*MockDaemonClient)(nil).LeaveHost), varargs...)
 }
 // PeerExchange mocks base method.
 func (m *MockDaemonClient) PeerExchange(ctx context.Context, opts ...grpc.CallOption) (dfdaemon.Daemon_PeerExchangeClient, error) {
 	m.ctrl.T.Helper()
 	varargs := []any{ctx}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
 	ret := m.ctrl.Call(m, "PeerExchange", varargs...)
 	ret0, _ := ret[0].(dfdaemon.Daemon_PeerExchangeClient)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // PeerExchange indicates an expected call of PeerExchange.
 func (mr *MockDaemonClientMockRecorder) PeerExchange(ctx any, opts ...any) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]any{ctx}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "PeerExchange", reflect.TypeOf((*MockDaemonClient)(nil).PeerExchange), varargs...)
 }
 // StatTask mocks base method.
 func (m *MockDaemonClient) StatTask(ctx context.Context, in *dfdaemon.StatTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -219,16 +173,16 @@ func (m *MockDaemonClient) StatTask(ctx context.Context, in *dfdaemon.StatTaskRe
 }
 // StatTask indicates an expected call of StatTask.
-func (mr *MockDaemonClientMockRecorder) StatTask(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockDaemonClientMockRecorder) StatTask(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "StatTask", reflect.TypeOf((*MockDaemonClient)(nil).StatTask), varargs...)
 }
 // SyncPieceTasks mocks base method.
 func (m *MockDaemonClient) SyncPieceTasks(ctx context.Context, opts ...grpc.CallOption) (dfdaemon.Daemon_SyncPieceTasksClient, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx}
+	varargs := []interface{}{ctx}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -239,9 +193,9 @@ func (m *MockDaemonClient) SyncPieceTasks(ctx context.Context, opts ...grpc.Call
 }
 // SyncPieceTasks indicates an expected call of SyncPieceTasks.
-func (mr *MockDaemonClientMockRecorder) SyncPieceTasks(ctx any, opts ...any) *gomock.Call {
+func (mr *MockDaemonClientMockRecorder) SyncPieceTasks(ctx interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx}, opts...)
+	varargs := append([]interface{}{ctx}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SyncPieceTasks", reflect.TypeOf((*MockDaemonClient)(nil).SyncPieceTasks), varargs...)
 }
@ -249,7 +203,6 @@ func (mr *MockDaemonClientMockRecorder) SyncPieceTasks(ctx any, opts ...any) *go
 type MockDaemon_DownloadClient struct {
 	ctrl     *gomock.Controller
 	recorder *MockDaemon_DownloadClientMockRecorder
 	isgomock struct{}
 }
 // MockDaemon_DownloadClientMockRecorder is the mock recorder for MockDaemon_DownloadClient.
@ -328,7 +281,7 @@ func (mr *MockDaemon_DownloadClientMockRecorder) Recv() *gomock.Call {
 }
 // RecvMsg mocks base method.
-func (m_2 *MockDaemon_DownloadClient) RecvMsg(m any) error {
+func (m_2 *MockDaemon_DownloadClient) RecvMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "RecvMsg", m)
 	ret0, _ := ret[0].(error)
@ -336,13 +289,13 @@ func (m_2 *MockDaemon_DownloadClient) RecvMsg(m any) error {
 }
 // RecvMsg indicates an expected call of RecvMsg.
-func (mr *MockDaemon_DownloadClientMockRecorder) RecvMsg(m any) *gomock.Call {
+func (mr *MockDaemon_DownloadClientMockRecorder) RecvMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockDaemon_DownloadClient)(nil).RecvMsg), m)
 }
 // SendMsg mocks base method.
-func (m_2 *MockDaemon_DownloadClient) SendMsg(m any) error {
+func (m_2 *MockDaemon_DownloadClient) SendMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "SendMsg", m)
 	ret0, _ := ret[0].(error)
@ -350,7 +303,7 @@ func (m_2 *MockDaemon_DownloadClient) SendMsg(m any) error {
 }
 // SendMsg indicates an expected call of SendMsg.
-func (mr *MockDaemon_DownloadClientMockRecorder) SendMsg(m any) *gomock.Call {
+func (mr *MockDaemon_DownloadClientMockRecorder) SendMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockDaemon_DownloadClient)(nil).SendMsg), m)
 }
@ -373,7 +326,6 @@ func (mr *MockDaemon_DownloadClientMockRecorder) Trailer() *gomock.Call {
 type MockDaemon_SyncPieceTasksClient struct {
 	ctrl     *gomock.Controller
 	recorder *MockDaemon_SyncPieceTasksClientMockRecorder
 	isgomock struct{}
 }
 // MockDaemon_SyncPieceTasksClientMockRecorder is the mock recorder for MockDaemon_SyncPieceTasksClient.
@ -452,7 +404,7 @@ func (mr *MockDaemon_SyncPieceTasksClientMockRecorder) Recv() *gomock.Call {
 }
 // RecvMsg mocks base method.
-func (m_2 *MockDaemon_SyncPieceTasksClient) RecvMsg(m any) error {
+func (m_2 *MockDaemon_SyncPieceTasksClient) RecvMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "RecvMsg", m)
 	ret0, _ := ret[0].(error)
@ -460,7 +412,7 @@ func (m_2 *MockDaemon_SyncPieceTasksClient) RecvMsg(m any) error {
 }
 // RecvMsg indicates an expected call of RecvMsg.
-func (mr *MockDaemon_SyncPieceTasksClientMockRecorder) RecvMsg(m any) *gomock.Call {
+func (mr *MockDaemon_SyncPieceTasksClientMockRecorder) RecvMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockDaemon_SyncPieceTasksClient)(nil).RecvMsg), m)
 }
@ -474,13 +426,13 @@ func (m *MockDaemon_SyncPieceTasksClient) Send(arg0 *common.PieceTaskRequest) er
 }
 // Send indicates an expected call of Send.
-func (mr *MockDaemon_SyncPieceTasksClientMockRecorder) Send(arg0 any) *gomock.Call {
+func (mr *MockDaemon_SyncPieceTasksClientMockRecorder) Send(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockDaemon_SyncPieceTasksClient)(nil).Send), arg0)
 }
 // SendMsg mocks base method.
-func (m_2 *MockDaemon_SyncPieceTasksClient) SendMsg(m any) error {
+func (m_2 *MockDaemon_SyncPieceTasksClient) SendMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "SendMsg", m)
 	ret0, _ := ret[0].(error)
@ -488,7 +440,7 @@ func (m_2 *MockDaemon_SyncPieceTasksClient) SendMsg(m any) error {
 }
 // SendMsg indicates an expected call of SendMsg.
-func (mr *MockDaemon_SyncPieceTasksClientMockRecorder) SendMsg(m any) *gomock.Call {
+func (mr *MockDaemon_SyncPieceTasksClientMockRecorder) SendMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockDaemon_SyncPieceTasksClient)(nil).SendMsg), m)
 }
@ -507,149 +459,10 @@ func (mr *MockDaemon_SyncPieceTasksClientMockRecorder) Trailer() *gomock.Call {
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Trailer", reflect.TypeOf((*MockDaemon_SyncPieceTasksClient)(nil).Trailer))
 }
 // MockDaemon_PeerExchangeClient is a mock of Daemon_PeerExchangeClient interface.
 type MockDaemon_PeerExchangeClient struct {
 	ctrl     *gomock.Controller
 	recorder *MockDaemon_PeerExchangeClientMockRecorder
 	isgomock struct{}
 }
 // MockDaemon_PeerExchangeClientMockRecorder is the mock recorder for MockDaemon_PeerExchangeClient.
 type MockDaemon_PeerExchangeClientMockRecorder struct {
 	mock *MockDaemon_PeerExchangeClient
 }
 // NewMockDaemon_PeerExchangeClient creates a new mock instance.
 func NewMockDaemon_PeerExchangeClient(ctrl *gomock.Controller) *MockDaemon_PeerExchangeClient {
 	mock := &MockDaemon_PeerExchangeClient{ctrl: ctrl}
 	mock.recorder = &MockDaemon_PeerExchangeClientMockRecorder{mock}
 	return mock
 }
 // EXPECT returns an object that allows the caller to indicate expected use.
 func (m *MockDaemon_PeerExchangeClient) EXPECT() *MockDaemon_PeerExchangeClientMockRecorder {
 	return m.recorder
 }
 // CloseSend mocks base method.
 func (m *MockDaemon_PeerExchangeClient) CloseSend() error {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "CloseSend")
 	ret0, _ := ret[0].(error)
 	return ret0
 }
 // CloseSend indicates an expected call of CloseSend.
 func (mr *MockDaemon_PeerExchangeClientMockRecorder) CloseSend() *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CloseSend", reflect.TypeOf((*MockDaemon_PeerExchangeClient)(nil).CloseSend))
 }
 // Context mocks base method.
 func (m *MockDaemon_PeerExchangeClient) Context() context.Context {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Context")
 	ret0, _ := ret[0].(context.Context)
 	return ret0
 }
 // Context indicates an expected call of Context.
 func (mr *MockDaemon_PeerExchangeClientMockRecorder) Context() *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Context", reflect.TypeOf((*MockDaemon_PeerExchangeClient)(nil).Context))
 }
 // Header mocks base method.
 func (m *MockDaemon_PeerExchangeClient) Header() (metadata.MD, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Header")
 	ret0, _ := ret[0].(metadata.MD)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // Header indicates an expected call of Header.
 func (mr *MockDaemon_PeerExchangeClientMockRecorder) Header() *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Header", reflect.TypeOf((*MockDaemon_PeerExchangeClient)(nil).Header))
 }
 // Recv mocks base method.
 func (m *MockDaemon_PeerExchangeClient) Recv() (*dfdaemon.PeerExchangeData, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Recv")
 	ret0, _ := ret[0].(*dfdaemon.PeerExchangeData)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // Recv indicates an expected call of Recv.
 func (mr *MockDaemon_PeerExchangeClientMockRecorder) Recv() *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Recv", reflect.TypeOf((*MockDaemon_PeerExchangeClient)(nil).Recv))
 }
 // RecvMsg mocks base method.
 func (m_2 *MockDaemon_PeerExchangeClient) RecvMsg(m any) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "RecvMsg", m)
 	ret0, _ := ret[0].(error)
 	return ret0
 }
 // RecvMsg indicates an expected call of RecvMsg.
 func (mr *MockDaemon_PeerExchangeClientMockRecorder) RecvMsg(m any) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockDaemon_PeerExchangeClient)(nil).RecvMsg), m)
 }
 // Send mocks base method.
 func (m *MockDaemon_PeerExchangeClient) Send(arg0 *dfdaemon.PeerExchangeData) error {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Send", arg0)
 	ret0, _ := ret[0].(error)
 	return ret0
 }
 // Send indicates an expected call of Send.
 func (mr *MockDaemon_PeerExchangeClientMockRecorder) Send(arg0 any) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockDaemon_PeerExchangeClient)(nil).Send), arg0)
 }
 // SendMsg mocks base method.
 func (m_2 *MockDaemon_PeerExchangeClient) SendMsg(m any) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "SendMsg", m)
 	ret0, _ := ret[0].(error)
 	return ret0
 }
 // SendMsg indicates an expected call of SendMsg.
 func (mr *MockDaemon_PeerExchangeClientMockRecorder) SendMsg(m any) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockDaemon_PeerExchangeClient)(nil).SendMsg), m)
 }
 // Trailer mocks base method.
 func (m *MockDaemon_PeerExchangeClient) Trailer() metadata.MD {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Trailer")
 	ret0, _ := ret[0].(metadata.MD)
 	return ret0
 }
 // Trailer indicates an expected call of Trailer.
 func (mr *MockDaemon_PeerExchangeClientMockRecorder) Trailer() *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Trailer", reflect.TypeOf((*MockDaemon_PeerExchangeClient)(nil).Trailer))
 }
 // MockDaemonServer is a mock of DaemonServer interface.
 type MockDaemonServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockDaemonServerMockRecorder
 	isgomock struct{}
 }
 // MockDaemonServerMockRecorder is the mock recorder for MockDaemonServer.
@ -679,7 +492,7 @@ func (m *MockDaemonServer) CheckHealth(arg0 context.Context, arg1 *emptypb.Empty
 }
 // CheckHealth indicates an expected call of CheckHealth.
-func (mr *MockDaemonServerMockRecorder) CheckHealth(arg0, arg1 any) *gomock.Call {
+func (mr *MockDaemonServerMockRecorder) CheckHealth(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CheckHealth", reflect.TypeOf((*MockDaemonServer)(nil).CheckHealth), arg0, arg1)
 }
@ -694,7 +507,7 @@ func (m *MockDaemonServer) DeleteTask(arg0 context.Context, arg1 *dfdaemon.Delet
 }
 // DeleteTask indicates an expected call of DeleteTask.
-func (mr *MockDaemonServerMockRecorder) DeleteTask(arg0, arg1 any) *gomock.Call {
+func (mr *MockDaemonServerMockRecorder) DeleteTask(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteTask", reflect.TypeOf((*MockDaemonServer)(nil).DeleteTask), arg0, arg1)
 }
@ -708,7 +521,7 @@ func (m *MockDaemonServer) Download(arg0 *dfdaemon.DownRequest, arg1 dfdaemon.Da
 }
 // Download indicates an expected call of Download.
-func (mr *MockDaemonServerMockRecorder) Download(arg0, arg1 any) *gomock.Call {
+func (mr *MockDaemonServerMockRecorder) Download(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Download", reflect.TypeOf((*MockDaemonServer)(nil).Download), arg0, arg1)
 }
@ -723,7 +536,7 @@ func (m *MockDaemonServer) ExportTask(arg0 context.Context, arg1 *dfdaemon.Expor
 }
 // ExportTask indicates an expected call of ExportTask.
-func (mr *MockDaemonServerMockRecorder) ExportTask(arg0, arg1 any) *gomock.Call {
+func (mr *MockDaemonServerMockRecorder) ExportTask(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ExportTask", reflect.TypeOf((*MockDaemonServer)(nil).ExportTask), arg0, arg1)
 }
@ -738,7 +551,7 @@ func (m *MockDaemonServer) GetPieceTasks(arg0 context.Context, arg1 *common.Piec
 }
 // GetPieceTasks indicates an expected call of GetPieceTasks.
-func (mr *MockDaemonServerMockRecorder) GetPieceTasks(arg0, arg1 any) *gomock.Call {
+func (mr *MockDaemonServerMockRecorder) GetPieceTasks(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetPieceTasks", reflect.TypeOf((*MockDaemonServer)(nil).GetPieceTasks), arg0, arg1)
 }
@ -753,40 +566,11 @@ func (m *MockDaemonServer) ImportTask(arg0 context.Context, arg1 *dfdaemon.Impor
 }
 // ImportTask indicates an expected call of ImportTask.
-func (mr *MockDaemonServerMockRecorder) ImportTask(arg0, arg1 any) *gomock.Call {
+func (mr *MockDaemonServerMockRecorder) ImportTask(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ImportTask", reflect.TypeOf((*MockDaemonServer)(nil).ImportTask), arg0, arg1)
 }
 // LeaveHost mocks base method.
 func (m *MockDaemonServer) LeaveHost(arg0 context.Context, arg1 *emptypb.Empty) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "LeaveHost", arg0, arg1)
 	ret0, _ := ret[0].(*emptypb.Empty)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // LeaveHost indicates an expected call of LeaveHost.
 func (mr *MockDaemonServerMockRecorder) LeaveHost(arg0, arg1 any) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "LeaveHost", reflect.TypeOf((*MockDaemonServer)(nil).LeaveHost), arg0, arg1)
 }
 // PeerExchange mocks base method.
 func (m *MockDaemonServer) PeerExchange(arg0 dfdaemon.Daemon_PeerExchangeServer) error {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "PeerExchange", arg0)
 	ret0, _ := ret[0].(error)
 	return ret0
 }
 // PeerExchange indicates an expected call of PeerExchange.
 func (mr *MockDaemonServerMockRecorder) PeerExchange(arg0 any) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "PeerExchange", reflect.TypeOf((*MockDaemonServer)(nil).PeerExchange), arg0)
 }
 // StatTask mocks base method.
 func (m *MockDaemonServer) StatTask(arg0 context.Context, arg1 *dfdaemon.StatTaskRequest) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
@ -797,7 +581,7 @@ func (m *MockDaemonServer) StatTask(arg0 context.Context, arg1 *dfdaemon.StatTas
 }
 // StatTask indicates an expected call of StatTask.
-func (mr *MockDaemonServerMockRecorder) StatTask(arg0, arg1 any) *gomock.Call {
+func (mr *MockDaemonServerMockRecorder) StatTask(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "StatTask", reflect.TypeOf((*MockDaemonServer)(nil).StatTask), arg0, arg1)
 }
@ -811,7 +595,7 @@ func (m *MockDaemonServer) SyncPieceTasks(arg0 dfdaemon.Daemon_SyncPieceTasksSer
 }
 // SyncPieceTasks indicates an expected call of SyncPieceTasks.
-func (mr *MockDaemonServerMockRecorder) SyncPieceTasks(arg0 any) *gomock.Call {
+func (mr *MockDaemonServerMockRecorder) SyncPieceTasks(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SyncPieceTasks", reflect.TypeOf((*MockDaemonServer)(nil).SyncPieceTasks), arg0)
 }
@ -820,7 +604,6 @@ func (mr *MockDaemonServerMockRecorder) SyncPieceTasks(arg0 any) *gomock.Call {
 type MockUnsafeDaemonServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockUnsafeDaemonServerMockRecorder
 	isgomock struct{}
 }
 // MockUnsafeDaemonServerMockRecorder is the mock recorder for MockUnsafeDaemonServer.
@ -856,7 +639,6 @@ func (mr *MockUnsafeDaemonServerMockRecorder) mustEmbedUnimplementedDaemonServer
 type MockDaemon_DownloadServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockDaemon_DownloadServerMockRecorder
 	isgomock struct{}
 }
 // MockDaemon_DownloadServerMockRecorder is the mock recorder for MockDaemon_DownloadServer.
@ -891,7 +673,7 @@ func (mr *MockDaemon_DownloadServerMockRecorder) Context() *gomock.Call {
 }
 // RecvMsg mocks base method.
-func (m_2 *MockDaemon_DownloadServer) RecvMsg(m any) error {
+func (m_2 *MockDaemon_DownloadServer) RecvMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "RecvMsg", m)
 	ret0, _ := ret[0].(error)
@ -899,7 +681,7 @@ func (m_2 *MockDaemon_DownloadServer) RecvMsg(m any) error {
 }
 // RecvMsg indicates an expected call of RecvMsg.
-func (mr *MockDaemon_DownloadServerMockRecorder) RecvMsg(m any) *gomock.Call {
+func (mr *MockDaemon_DownloadServerMockRecorder) RecvMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockDaemon_DownloadServer)(nil).RecvMsg), m)
 }
@ -913,7 +695,7 @@ func (m *MockDaemon_DownloadServer) Send(arg0 *dfdaemon.DownResult) error {
 }
 // Send indicates an expected call of Send.
-func (mr *MockDaemon_DownloadServerMockRecorder) Send(arg0 any) *gomock.Call {
+func (mr *MockDaemon_DownloadServerMockRecorder) Send(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockDaemon_DownloadServer)(nil).Send), arg0)
 }
@ -927,13 +709,13 @@ func (m *MockDaemon_DownloadServer) SendHeader(arg0 metadata.MD) error {
 }
 // SendHeader indicates an expected call of SendHeader.
-func (mr *MockDaemon_DownloadServerMockRecorder) SendHeader(arg0 any) *gomock.Call {
+func (mr *MockDaemon_DownloadServerMockRecorder) SendHeader(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendHeader", reflect.TypeOf((*MockDaemon_DownloadServer)(nil).SendHeader), arg0)
 }
 // SendMsg mocks base method.
-func (m_2 *MockDaemon_DownloadServer) SendMsg(m any) error {
+func (m_2 *MockDaemon_DownloadServer) SendMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "SendMsg", m)
 	ret0, _ := ret[0].(error)
@ -941,7 +723,7 @@ func (m_2 *MockDaemon_DownloadServer) SendMsg(m any) error {
 }
 // SendMsg indicates an expected call of SendMsg.
-func (mr *MockDaemon_DownloadServerMockRecorder) SendMsg(m any) *gomock.Call {
+func (mr *MockDaemon_DownloadServerMockRecorder) SendMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockDaemon_DownloadServer)(nil).SendMsg), m)
 }
@ -955,7 +737,7 @@ func (m *MockDaemon_DownloadServer) SetHeader(arg0 metadata.MD) error {
 }
 // SetHeader indicates an expected call of SetHeader.
-func (mr *MockDaemon_DownloadServerMockRecorder) SetHeader(arg0 any) *gomock.Call {
+func (mr *MockDaemon_DownloadServerMockRecorder) SetHeader(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetHeader", reflect.TypeOf((*MockDaemon_DownloadServer)(nil).SetHeader), arg0)
 }
@ -967,7 +749,7 @@ func (m *MockDaemon_DownloadServer) SetTrailer(arg0 metadata.MD) {
 }
 // SetTrailer indicates an expected call of SetTrailer.
-func (mr *MockDaemon_DownloadServerMockRecorder) SetTrailer(arg0 any) *gomock.Call {
+func (mr *MockDaemon_DownloadServerMockRecorder) SetTrailer(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetTrailer", reflect.TypeOf((*MockDaemon_DownloadServer)(nil).SetTrailer), arg0)
 }
@ -976,7 +758,6 @@ func (mr *MockDaemon_DownloadServerMockRecorder) SetTrailer(arg0 any) *gomock.Ca
 type MockDaemon_SyncPieceTasksServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockDaemon_SyncPieceTasksServerMockRecorder
 	isgomock struct{}
 }
 // MockDaemon_SyncPieceTasksServerMockRecorder is the mock recorder for MockDaemon_SyncPieceTasksServer.
@ -1026,7 +807,7 @@ func (mr *MockDaemon_SyncPieceTasksServerMockRecorder) Recv() *gomock.Call {
 }
 // RecvMsg mocks base method.
-func (m_2 *MockDaemon_SyncPieceTasksServer) RecvMsg(m any) error {
+func (m_2 *MockDaemon_SyncPieceTasksServer) RecvMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "RecvMsg", m)
 	ret0, _ := ret[0].(error)
@ -1034,7 +815,7 @@ func (m_2 *MockDaemon_SyncPieceTasksServer) RecvMsg(m any) error {
 }
 // RecvMsg indicates an expected call of RecvMsg.
-func (mr *MockDaemon_SyncPieceTasksServerMockRecorder) RecvMsg(m any) *gomock.Call {
+func (mr *MockDaemon_SyncPieceTasksServerMockRecorder) RecvMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockDaemon_SyncPieceTasksServer)(nil).RecvMsg), m)
 }
@ -1048,7 +829,7 @@ func (m *MockDaemon_SyncPieceTasksServer) Send(arg0 *common.PiecePacket) error {
 }
 // Send indicates an expected call of Send.
-func (mr *MockDaemon_SyncPieceTasksServerMockRecorder) Send(arg0 any) *gomock.Call {
+func (mr *MockDaemon_SyncPieceTasksServerMockRecorder) Send(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockDaemon_SyncPieceTasksServer)(nil).Send), arg0)
 }
@ -1062,13 +843,13 @@ func (m *MockDaemon_SyncPieceTasksServer) SendHeader(arg0 metadata.MD) error {
 }
 // SendHeader indicates an expected call of SendHeader.
-func (mr *MockDaemon_SyncPieceTasksServerMockRecorder) SendHeader(arg0 any) *gomock.Call {
+func (mr *MockDaemon_SyncPieceTasksServerMockRecorder) SendHeader(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendHeader", reflect.TypeOf((*MockDaemon_SyncPieceTasksServer)(nil).SendHeader), arg0)
 }
 // SendMsg mocks base method.
-func (m_2 *MockDaemon_SyncPieceTasksServer) SendMsg(m any) error {
+func (m_2 *MockDaemon_SyncPieceTasksServer) SendMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "SendMsg", m)
 	ret0, _ := ret[0].(error)
@ -1076,7 +857,7 @@ func (m_2 *MockDaemon_SyncPieceTasksServer) SendMsg(m any) error {
 }
 // SendMsg indicates an expected call of SendMsg.
-func (mr *MockDaemon_SyncPieceTasksServerMockRecorder) SendMsg(m any) *gomock.Call {
+func (mr *MockDaemon_SyncPieceTasksServerMockRecorder) SendMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockDaemon_SyncPieceTasksServer)(nil).SendMsg), m)
 }
@ -1090,7 +871,7 @@ func (m *MockDaemon_SyncPieceTasksServer) SetHeader(arg0 metadata.MD) error {
 }
 // SetHeader indicates an expected call of SetHeader.
-func (mr *MockDaemon_SyncPieceTasksServerMockRecorder) SetHeader(arg0 any) *gomock.Call {
+func (mr *MockDaemon_SyncPieceTasksServerMockRecorder) SetHeader(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetHeader", reflect.TypeOf((*MockDaemon_SyncPieceTasksServer)(nil).SetHeader), arg0)
 }
@ -1102,142 +883,7 @@ func (m *MockDaemon_SyncPieceTasksServer) SetTrailer(arg0 metadata.MD) {
 }
 // SetTrailer indicates an expected call of SetTrailer.
-func (mr *MockDaemon_SyncPieceTasksServerMockRecorder) SetTrailer(arg0 any) *gomock.Call {
+func (mr *MockDaemon_SyncPieceTasksServerMockRecorder) SetTrailer(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetTrailer", reflect.TypeOf((*MockDaemon_SyncPieceTasksServer)(nil).SetTrailer), arg0)
 }
 // MockDaemon_PeerExchangeServer is a mock of Daemon_PeerExchangeServer interface.
 type MockDaemon_PeerExchangeServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockDaemon_PeerExchangeServerMockRecorder
 	isgomock struct{}
 }
 // MockDaemon_PeerExchangeServerMockRecorder is the mock recorder for MockDaemon_PeerExchangeServer.
 type MockDaemon_PeerExchangeServerMockRecorder struct {
 	mock *MockDaemon_PeerExchangeServer
 }
 // NewMockDaemon_PeerExchangeServer creates a new mock instance.
 func NewMockDaemon_PeerExchangeServer(ctrl *gomock.Controller) *MockDaemon_PeerExchangeServer {
 	mock := &MockDaemon_PeerExchangeServer{ctrl: ctrl}
 	mock.recorder = &MockDaemon_PeerExchangeServerMockRecorder{mock}
 	return mock
 }
 // EXPECT returns an object that allows the caller to indicate expected use.
 func (m *MockDaemon_PeerExchangeServer) EXPECT() *MockDaemon_PeerExchangeServerMockRecorder {
 	return m.recorder
 }
 // Context mocks base method.
 func (m *MockDaemon_PeerExchangeServer) Context() context.Context {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Context")
 	ret0, _ := ret[0].(context.Context)
 	return ret0
 }
 // Context indicates an expected call of Context.
 func (mr *MockDaemon_PeerExchangeServerMockRecorder) Context() *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Context", reflect.TypeOf((*MockDaemon_PeerExchangeServer)(nil).Context))
 }
 // Recv mocks base method.
 func (m *MockDaemon_PeerExchangeServer) Recv() (*dfdaemon.PeerExchangeData, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Recv")
 	ret0, _ := ret[0].(*dfdaemon.PeerExchangeData)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // Recv indicates an expected call of Recv.
 func (mr *MockDaemon_PeerExchangeServerMockRecorder) Recv() *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Recv", reflect.TypeOf((*MockDaemon_PeerExchangeServer)(nil).Recv))
 }
 // RecvMsg mocks base method.
 func (m_2 *MockDaemon_PeerExchangeServer) RecvMsg(m any) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "RecvMsg", m)
 	ret0, _ := ret[0].(error)
 	return ret0
 }
 // RecvMsg indicates an expected call of RecvMsg.
 func (mr *MockDaemon_PeerExchangeServerMockRecorder) RecvMsg(m any) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockDaemon_PeerExchangeServer)(nil).RecvMsg), m)
 }
 // Send mocks base method.
 func (m *MockDaemon_PeerExchangeServer) Send(arg0 *dfdaemon.PeerExchangeData) error {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Send", arg0)
 	ret0, _ := ret[0].(error)
 	return ret0
 }
 // Send indicates an expected call of Send.
 func (mr *MockDaemon_PeerExchangeServerMockRecorder) Send(arg0 any) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockDaemon_PeerExchangeServer)(nil).Send), arg0)
 }
 // SendHeader mocks base method.
 func (m *MockDaemon_PeerExchangeServer) SendHeader(arg0 metadata.MD) error {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "SendHeader", arg0)
 	ret0, _ := ret[0].(error)
 	return ret0
 }
 // SendHeader indicates an expected call of SendHeader.
 func (mr *MockDaemon_PeerExchangeServerMockRecorder) SendHeader(arg0 any) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendHeader", reflect.TypeOf((*MockDaemon_PeerExchangeServer)(nil).SendHeader), arg0)
 }
 // SendMsg mocks base method.
 func (m_2 *MockDaemon_PeerExchangeServer) SendMsg(m any) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "SendMsg", m)
 	ret0, _ := ret[0].(error)
 	return ret0
 }
 // SendMsg indicates an expected call of SendMsg.
 func (mr *MockDaemon_PeerExchangeServerMockRecorder) SendMsg(m any) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockDaemon_PeerExchangeServer)(nil).SendMsg), m)
 }
 // SetHeader mocks base method.
 func (m *MockDaemon_PeerExchangeServer) SetHeader(arg0 metadata.MD) error {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "SetHeader", arg0)
 	ret0, _ := ret[0].(error)
 	return ret0
 }
 // SetHeader indicates an expected call of SetHeader.
 func (mr *MockDaemon_PeerExchangeServerMockRecorder) SetHeader(arg0 any) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetHeader", reflect.TypeOf((*MockDaemon_PeerExchangeServer)(nil).SetHeader), arg0)
 }
 // SetTrailer mocks base method.
 func (m *MockDaemon_PeerExchangeServer) SetTrailer(arg0 metadata.MD) {
 	m.ctrl.T.Helper()
 	m.ctrl.Call(m, "SetTrailer", arg0)
 }
 // SetTrailer indicates an expected call of SetTrailer.
 func (mr *MockDaemon_PeerExchangeServerMockRecorder) SetTrailer(arg0 any) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetTrailer", reflect.TypeOf((*MockDaemon_PeerExchangeServer)(nil).SetTrailer), arg0)
 }
--- a/pkg/apis/dfdaemon/v2/dfdaemon.pb.go
+++ b/pkg/apis/dfdaemon/v2/dfdaemon.pb.go
--- a/pkg/apis/dfdaemon/v2/dfdaemon.pb.validate.go
+++ b/pkg/apis/dfdaemon/v2/dfdaemon.pb.validate.go
--- a/pkg/apis/dfdaemon/v2/dfdaemon.proto
+++ b/pkg/apis/dfdaemon/v2/dfdaemon.proto
@ -19,398 +19,131 @@ syntax = "proto3";
 package dfdaemon.v2;
 import "pkg/apis/common/v2/common.proto";
 import "pkg/apis/errordetails/v2/errordetails.proto";
 import "google/protobuf/duration.proto";
 import "google/protobuf/empty.proto";
 import "validate/validate.proto";
-option go_package = "d7y.io/api/v2/pkg/apis/dfdaemon/v2;dfdaemon";
+option go_package = "d7y.io/api/pkg/apis/dfdaemon/v2;dfdaemon";
-// DownloadTaskRequest represents request of DownloadTask.
+// InterestedAllPiecesRequest represents interested all pieces request of SyncPiecesRequest.
-message DownloadTaskRequest {
+message InterestedAllPiecesRequest {
  // Download information.
  common.v2.Download download = 1 [(validate.rules).message.required = true];
 }
-// DownloadTaskStartedResponse represents task download started response of DownloadTaskResponse.
+// InterestedPiecesRequest represents interested pieces request of SyncPiecesRequest.
-message DownloadTaskStartedResponse {
+message InterestedPiecesRequest {
-  // Task content length.
+  // Interested piece numbers.
-  uint64 content_length = 1;
+  repeated uint32 piece_numbers = 1 [(validate.rules).repeated = {min_items: 1}];
  // Range is url range of request. If protocol is http, range
  // is parsed from http header. If other protocol, range comes
  // from download range field.
  optional common.v2.Range range = 2;
  // Task response headers.
  map<string, string> response_header = 3;
  // Need to download pieces.
  repeated common.v2.Piece pieces = 4;
 }
-// DownloadPieceFinishedResponse represents piece download finished response of DownloadTaskResponse.
+// StatMetadata represents stat metadata request of SyncPiecesRequest.
-message DownloadPieceFinishedResponse {
+message StatMetadataRequest {
  // Finished piece of task.
  common.v2.Piece piece = 1 [(validate.rules).message.required = true];
 }
-// DownloadTaskResponse represents response of DownloadTask.
+// SyncPiecesRequest represents request of AnnouncePeer.
-message DownloadTaskResponse {
+message SyncPiecesRequest{
-  // Host id.
+  oneof request {
  string host_id = 1 [(validate.rules).string.min_len = 1];
  // Task id.
  string task_id = 2 [(validate.rules).string.min_len = 1];
  // Peer id.
  string peer_id = 3 [(validate.rules).string.min_len = 1];
  oneof response {
    option (validate.required) = true;
-    DownloadTaskStartedResponse download_task_started_response = 4;
+    InterestedAllPiecesRequest interested_all_pieces_request = 1;
-    DownloadPieceFinishedResponse download_piece_finished_response = 5;
+    InterestedPiecesRequest interested_pieces_request = 2;
    StatMetadataRequest stat_metadata_request = 3;
  }
 }
-// SyncPiecesRequest represents request of SyncPieces.
+// InterestedPiecesResponse represents interested pieces response of SyncPiecesResponse.
-message SyncPiecesRequest {
+message InterestedPiecesResponse {
-  // Host id.
+  // Interested pieces of task.
-  string host_id = 1 [(validate.rules).string.min_len = 1];
+  repeated common.v2.Piece pieces = 1 [(validate.rules).repeated = {min_items: 1, ignore_empty: true}];
-  // Task id.
+}
-  string task_id = 2 [(validate.rules).string.min_len = 1];
+
-  // Interested piece numbers.
+// StatMetadata represents stat metadata request of SyncPiecesResponse.
-  repeated uint32 interested_piece_numbers = 3 [(validate.rules).repeated = {min_items: 1}];
+message StatMetadataResponse {
  // Task metadata.
  common.v2.Metadata metadata = 1 [(validate.rules).message.required = true];
 }
 // SyncPiecesResponse represents response of SyncPieces.
 message SyncPiecesResponse {
-  // Exist piece number.
+  oneof response {
-  uint32 number = 1;
+    option (validate.required) = true;
-  // Piece offset.
+
-  uint64 offset = 2;
+    InterestedPiecesResponse interested_pieces_response = 1;
-  // Piece length.
+    StatMetadataResponse stat_metadata_response = 2;
  uint64 length = 3;
  }
-// DownloadPieceRequest represents request of DownloadPiece.
+  oneof errordetails {
-message DownloadPieceRequest{
+    errordetails.v2.SyncPiecesFailed sync_pieces_failed = 3;
-  // Host id.
+    errordetails.v2.StatMetadataFailed stat_metadata_failed = 4;
-  string host_id = 1 [(validate.rules).string.min_len = 1];
+  }
 }
 // TriggerTaskRequest represents request of TriggerTask.
 message TriggerTaskRequest {
  // Task id.
-  string task_id = 2 [(validate.rules).string.min_len = 1];
+  string task_id = 1 [(validate.rules).string.min_len = 1];
-  // Piece number.
+  // Task metadata.
-  uint32 piece_number = 3;
+  common.v2.Metadata metadata = 2 [(validate.rules).message.required = true];
 }
 // DownloadPieceResponse represents response of DownloadPieces.
 message DownloadPieceResponse {
  // Piece information.
  common.v2.Piece piece = 1 [(validate.rules).message.required = true];
  // Piece metadata digest, it is used to verify the integrity of the piece metadata.
  optional string digest = 2 [(validate.rules).string = {pattern: "^(md5:[a-fA-F0-9]{32}|sha1:[a-fA-F0-9]{40}|sha256:[a-fA-F0-9]{64}|sha512:[a-fA-F0-9]{128}|blake3:[a-fA-F0-9]{64}|crc32:[a-fA-F0-9]+)$", ignore_empty: true}];
 }
 // StatTaskRequest represents request of StatTask.
 message StatTaskRequest {
  // Task id.
  string task_id = 1 [(validate.rules).string.min_len = 1];
  // Remote IP represents the IP address of the client initiating the stat request.
  optional string remote_ip = 2 [(validate.rules).string = {ip: true, ignore_empty: true}];
 }
-// ListTaskEntriesRequest represents request of ListTaskEntries.
+// StatTaskResponse represents response of StatTask.
-message ListTaskEntriesRequest {
+message StatTaskResponse {
-  // Task id.
+  common.v2.Task task = 1 [(validate.rules).message.required = true];
  string task_id = 1 [(validate.rules).string.min_len = 1];
  // URL to be listed the entries.
  string url = 2;
  // HTTP header to be sent with the request.
  map<string, string> request_header = 3;
  // List timeout.
  optional google.protobuf.Duration timeout = 4;
  // certificate_chain is the client certs with DER format for the backend client to list the entries.
  repeated bytes certificate_chain = 5;
  // Object storage protocol information.
  optional common.v2.ObjectStorage object_storage = 6;
  // HDFS protocol information.
  optional common.v2.HDFS hdfs = 7;
  // Remote IP represents the IP address of the client initiating the list request.
  optional string remote_ip = 8 [(validate.rules).string = {ip: true, ignore_empty: true}];
 }
-// ListTaskEntriesResponse represents response of ListTaskEntries.
+// ImportTaskRequest represents request of ImportTask.
-message ListTaskEntriesResponse {
+message ImportTaskRequest {
-  // Content length is the content length of the response
+  // Task metadata.
-  uint64 content_length = 1;
+  common.v2.Metadata metadata = 1 [(validate.rules).message.required = true];
-  // HTTP header to be sent with the request.
+  // File path to be imported.
-  map<string, string> response_header = 2;
+  string path = 2 [(validate.rules).string.min_len = 1];
  // Backend HTTP status code.
  optional int32 status_code = 3 [(validate.rules).int32 = {gte: 100, lt: 599, ignore_empty: true}];
  /// Entries is the information of the entries in the directory.
  repeated Entry entries = 4;
 }
-// Entry represents an entry in a directory.
+// ExportTaskRequest represents request of ExportTask.
-message Entry {
+message ExportTaskRequest {
-  // URL of the entry.
+  // Task metadata.
-  string url = 1;
+  common.v2.Metadata metadata = 1 [(validate.rules).message.required = true];
-  // Size of the entry.
+  // File path to be exported.
-  uint64 content_length = 2;
+  string path = 2 [(validate.rules).string.min_len = 1];
-  // Is directory or not.
+  // Download timeout.
-  bool is_dir = 3;
+  google.protobuf.Duration timeout = 3 [(validate.rules).duration.required = true];
  // Download rate limit in bytes per second.
  double download_rate_limit = 4 [(validate.rules).double.gte = 0];
  // User id.
  uint64 uid = 5 [(validate.rules).uint64.gte = 0];
  // Group id.
  uint64 gid = 6 [(validate.rules).uint64.gte = 0];
 }
 // DeleteTaskRequest represents request of DeleteTask.
 message DeleteTaskRequest {
  // Task id.
  string task_id = 1 [(validate.rules).string.min_len = 1];
  // Remote IP represents the IP address of the client initiating the delete request.
  optional string remote_ip = 2 [(validate.rules).string = {ip: true, ignore_empty: true}];
 }
-// DownloadPersistentCacheTaskRequest represents request of DownloadPersistentCacheTask.
+// Dfdaemon RPC Service.
-message DownloadPersistentCacheTaskRequest {
+service Dfdaemon{
-  // Task id.
+  // SyncPieces syncs pieces from the other peers.
-  string task_id = 1 [(validate.rules).string.min_len = 1];
+  rpc SyncPieces(stream SyncPiecesRequest)returns(stream SyncPiecesResponse);
  // Persistent represents whether the persistent cache task is persistent.
  // If the persistent cache task is persistent, the persistent cache peer will
  // not be deleted when dfdaemon runs garbage collection.
  bool persistent = 2;
  // Tag is used to distinguish different persistent cache tasks.
  optional string tag = 3;
  // Application of task.
  optional string application = 4;
  // File path to be exported. If output_path is set, the exported file will be saved to the specified path.
  // Dfdaemon will try to create hard link to the output path before starting the export. If hard link creation fails,
  // it will copy the file to the output path after the export is completed.
  // For more details refer to https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.
  optional string output_path = 5 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
  // Download timeout.
  optional google.protobuf.Duration timeout = 6;
  // need_piece_content is the flag to indicate whether the response needs to return piece content.
  bool need_piece_content = 7;
  // force_hard_link is the flag to indicate whether the exported file must be hard linked to the output path.
  // For more details refer to https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.
  bool force_hard_link = 8;
  // Verifies task data integrity after download using a digest. Supports CRC32, SHA256, and SHA512 algorithms.
  // Format: `<algorithm>:<hash>`, e.g., `crc32:xxx`, `sha256:yyy`, `sha512:zzz`.
  // Returns an error if the computed digest mismatches the expected value.
  //
  // Performance
  // Digest calculation increases processing time. Enable only when data integrity verification is critical.
  optional string digest = 9;
  // Remote IP represents the IP address of the client initiating the download request.
  optional string remote_ip = 10 [(validate.rules).string = {ip: true, ignore_empty: true}];
 }
-// DownloadPersistentCacheTaskStartedResponse represents task download started response of DownloadPersistentCacheTaskResponse.
+  // TriggerTask triggers task back-to-source download.
-message DownloadPersistentCacheTaskStartedResponse {
+  rpc TriggerTask(TriggerTaskRequest) returns(google.protobuf.Empty);
  // Task content length.
  uint64 content_length = 1;
 }
 // DownloadPersistentCacheTaskResponse represents response of DownloadPersistentCacheTask.
 message DownloadPersistentCacheTaskResponse {
  // Host id.
  string host_id = 1 [(validate.rules).string.min_len = 1];
  // Task id.
  string task_id = 2 [(validate.rules).string.min_len = 1];
  // Peer id.
  string peer_id = 3 [(validate.rules).string.min_len = 1];
  oneof response {
    option (validate.required) = true;
    DownloadPersistentCacheTaskStartedResponse download_persistent_cache_task_started_response = 4;
    DownloadPieceFinishedResponse download_piece_finished_response = 5;
  }
 }
 // UploadPersistentCacheTaskRequest represents request of UploadPersistentCacheTask.
 message UploadPersistentCacheTaskRequest {
  // content_for_calculating_task_id is the content used to calculate the task id.
  // If content_for_calculating_task_id is set, use its value to calculate the task ID.
  // Otherwise, calculate the task ID based on the file content, tag and application by crc32 algorithm`.
  optional string content_for_calculating_task_id = 1;
  // Upload file path of persistent cache task.
  string path = 2 [(validate.rules).string = {min_len: 1}];
  // Replica count of the persistent persistent cache task.
  uint64 persistent_replica_count = 3 [(validate.rules).uint64 = {gte: 1, lte: 5}];
  // Tag is used to distinguish different persistent cache tasks.
  optional string tag = 4;
  // Application of the persistent cache task.
  optional string application = 5;
  // Piece length of the persistent cache task, the value needs to be greater than or equal to 4194304(4MiB).
  optional uint64 piece_length = 6 [(validate.rules).uint64 = {gte: 4194304, ignore_empty: true}];
  // TTL of the persistent cache task.
  google.protobuf.Duration ttl = 7 [(validate.rules).duration = {gte:{seconds: 60}, lte:{seconds: 604800}}];
  // Download timeout.
  optional google.protobuf.Duration timeout = 8;
  // Remote IP represents the IP address of the client initiating the upload request.
  optional string remote_ip = 9 [(validate.rules).string = {ip: true, ignore_empty: true}];
 }
 // UpdatePersistentCacheTaskRequest represents request of UpdatePersistentCacheTask.
 message UpdatePersistentCacheTaskRequest {
  // Task id.
  string task_id = 1 [(validate.rules).string.min_len = 1];
  // Persistent represents whether the persistent cache peer is persistent.
  // If the persistent cache peer is persistent, the persistent cache peer will
  // not be deleted when dfdaemon runs garbage collection. It only be deleted
  // when the task is deleted by the user.
  bool persistent = 2;
  // Remote IP represents the IP address of the client initiating the update request.
  optional string remote_ip = 3 [(validate.rules).string = {ip: true, ignore_empty: true}];
 }
 // StatPersistentCacheTaskRequest represents request of StatPersistentCacheTask.
 message StatPersistentCacheTaskRequest {
  // Task id.
  string task_id = 1 [(validate.rules).string.min_len = 1];
  // Remote IP represents the IP address of the client initiating the stat request.
  optional string remote_ip = 2 [(validate.rules).string = {ip: true, ignore_empty: true}];
 }
 // DeletePersistentCacheTaskRequest represents request of DeletePersistentCacheTask.
 message DeletePersistentCacheTaskRequest {
  // Task id.
  string task_id = 1 [(validate.rules).string.min_len = 1];
  // Remote IP represents the IP address of the client initiating the delete request.
  optional string remote_ip = 2 [(validate.rules).string = {ip: true, ignore_empty: true}];
 }
 // SyncPersistentCachePiecesRequest represents request of SyncPersistentCachePieces.
 message SyncPersistentCachePiecesRequest {
  // Host id.
  string host_id = 1 [(validate.rules).string.min_len = 1];
  // Task id.
  string task_id = 2 [(validate.rules).string.min_len = 1];
  // Interested piece numbers.
  repeated uint32 interested_piece_numbers = 3 [(validate.rules).repeated = {min_items: 1}];
 }
 // SyncPersistentCachePiecesResponse represents response of SyncPersistentCachePieces.
 message SyncPersistentCachePiecesResponse {
  // Exist piece number.
  uint32 number = 1;
  // Piece offset.
  uint64 offset = 2;
  // Piece length.
  uint64 length = 3;
 }
 // DownloadPersistentCachePieceRequest represents request of DownloadPersistentCachePiece.
 message DownloadPersistentCachePieceRequest{
  // Host id.
  string host_id = 1 [(validate.rules).string.min_len = 1];
  // Task id.
  string task_id = 2 [(validate.rules).string.min_len = 1];
  // Piece number.
  uint32 piece_number = 3;
 }
 // DownloadPersistentCachePieceResponse represents response of DownloadPersistentCachePieces.
 message DownloadPersistentCachePieceResponse {
  // Piece information.
  common.v2.Piece piece = 1 [(validate.rules).message.required = true];
  // Piece metadata digest, it is used to verify the integrity of the piece metadata.
  optional string digest = 2 [(validate.rules).string = {pattern: "^(md5:[a-fA-F0-9]{32}|sha1:[a-fA-F0-9]{40}|sha256:[a-fA-F0-9]{64}|sha512:[a-fA-F0-9]{128}|blake3:[a-fA-F0-9]{64}|crc32:[a-fA-F0-9]+)$", ignore_empty: true}];
 }
 // SyncHostRequest represents request of SyncHost.
 message SyncHostRequest {
  // Host id.
  string host_id = 1 [(validate.rules).string.min_len = 1];
  // Peer id.
  string peer_id = 2 [(validate.rules).string.min_len = 1];
 }
 // IBVerbsQueuePairEndpoint represents queue pair endpoint of IBVerbs.
 message IBVerbsQueuePairEndpoint {
  // Number of the queue pair.
  uint32 num = 1;
  // Local identifier of the context.
  uint32 lid = 2;
  // Global identifier of the context.
  bytes gid = 3 [(validate.rules).bytes.len = 16];
 }
 // ExchangeIBVerbsQueuePairEndpointRequest represents request of ExchangeIBVerbsQueuePairEndpoint.
 message ExchangeIBVerbsQueuePairEndpointRequest {
  // Information of the source's queue pair endpoint of IBVerbs.
  IBVerbsQueuePairEndpoint endpoint = 1 [(validate.rules).message.required = true];
 }
 // ExchangeIBVerbsQueuePairEndpointResponse represents response of ExchangeIBVerbsQueuePairEndpoint.
 message ExchangeIBVerbsQueuePairEndpointResponse {
  // Information of the destination's queue pair endpoint of IBVerbs.
  IBVerbsQueuePairEndpoint endpoint = 1 [(validate.rules).message.required = true];
 }
 // DfdaemonUpload represents dfdaemon upload service.
 service DfdaemonUpload {
  // DownloadTask downloads task from p2p network.
  rpc DownloadTask(DownloadTaskRequest) returns(stream DownloadTaskResponse);
  // StatTask stats task information.
  rpc StatTask(StatTaskRequest) returns(common.v2.Task);
-  // DeleteTask deletes task from p2p network.
+  // ImportTask imports task to p2p network.
-  rpc DeleteTask(DeleteTaskRequest) returns(google.protobuf.Empty);
+  rpc ImportTask(ImportTaskRequest) returns(google.protobuf.Empty);
-  // SyncPieces syncs piece metadatas from remote peer.
+  // ExportTask exports task from p2p network.
-  rpc SyncPieces(SyncPiecesRequest) returns(stream SyncPiecesResponse);
+  rpc ExportTask(ExportTaskRequest) returns(google.protobuf.Empty);
  // DownloadPiece downloads piece from the remote peer.
  rpc DownloadPiece(DownloadPieceRequest)returns(DownloadPieceResponse);
  // DownloadPersistentCacheTask downloads persistent cache task from p2p network.
  rpc DownloadPersistentCacheTask(DownloadPersistentCacheTaskRequest) returns(stream DownloadPersistentCacheTaskResponse);
  // UpdatePersistentCacheTask updates metadate of thr persistent cache task in p2p network.
  rpc UpdatePersistentCacheTask(UpdatePersistentCacheTaskRequest) returns(google.protobuf.Empty);
  // StatPersistentCacheTask stats persistent cache task information.
  rpc StatPersistentCacheTask(StatPersistentCacheTaskRequest) returns(common.v2.PersistentCacheTask);
  // DeletePersistentCacheTask deletes persistent cache task from p2p network.
  rpc DeletePersistentCacheTask(DeletePersistentCacheTaskRequest) returns(google.protobuf.Empty);
  // SyncPersistentCachePieces syncs persistent cache pieces from remote peer.
  rpc SyncPersistentCachePieces(SyncPersistentCachePiecesRequest) returns(stream SyncPersistentCachePiecesResponse);
  // DownloadPersistentCachePiece downloads persistent cache piece from the remote peer.
  rpc DownloadPersistentCachePiece(DownloadPersistentCachePieceRequest)returns(DownloadPersistentCachePieceResponse);
  // SyncHost sync host info from parents.
  rpc SyncHost(SyncHostRequest) returns (stream common.v2.Host);
  // ExchangeIBVerbsQueuePairEndpoint exchanges queue pair endpoint of IBVerbs with remote peer.
  rpc ExchangeIBVerbsQueuePairEndpoint(ExchangeIBVerbsQueuePairEndpointRequest) returns(ExchangeIBVerbsQueuePairEndpointResponse);
 }
 // DfdaemonDownload represents dfdaemon download service.
 service DfdaemonDownload {
  // DownloadTask downloads task from p2p network.
  rpc DownloadTask(DownloadTaskRequest) returns(stream DownloadTaskResponse);
  // StatTask stats task information.
  rpc StatTask(StatTaskRequest) returns(common.v2.Task);
  // ListTaskEntries lists task entries for downloading directory.
  rpc ListTaskEntries(ListTaskEntriesRequest) returns(ListTaskEntriesResponse);
  // DeleteTask deletes task from p2p network.
  rpc DeleteTask(DeleteTaskRequest) returns(google.protobuf.Empty);
  // DeleteHost releases host in scheduler.
  rpc DeleteHost(google.protobuf.Empty)returns(google.protobuf.Empty);
  // DownloadPersistentCacheTask downloads persistent cache task from p2p network.
  rpc DownloadPersistentCacheTask(DownloadPersistentCacheTaskRequest) returns(stream DownloadPersistentCacheTaskResponse);
  // UploadPersistentCacheTask uploads persistent cache task to p2p network.
  rpc UploadPersistentCacheTask(UploadPersistentCacheTaskRequest) returns(common.v2.PersistentCacheTask);
  // StatPersistentCacheTask stats persistent cache task information.
  rpc StatPersistentCacheTask(StatPersistentCacheTaskRequest) returns(common.v2.PersistentCacheTask);
 }
--- a/pkg/apis/dfdaemon/v2/dfdaemon_grpc.pb.go
+++ b/pkg/apis/dfdaemon/v2/dfdaemon_grpc.pb.go
--- a/pkg/apis/dfdaemon/v2/mocks/dfdaemon_mock.go
+++ b/pkg/apis/dfdaemon/v2/mocks/dfdaemon_mock.go
--- a/pkg/apis/errordetails/v1/errordetails.pb.go
+++ b/pkg/apis/errordetails/v1/errordetails.pb.go
@ -22,7 +22,7 @@
 package errordetails
 import (
-	v1 "d7y.io/api/v2/pkg/apis/common/v1"
+	v1 "d7y.io/api/pkg/apis/common/v1"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	reflect "reflect"
@ -106,11 +106,11 @@ var file_pkg_apis_errordetails_v1_errordetails_proto_rawDesc = []byte{
 	0x74, 0x65, 0x6d, 0x70, 0x6f, 0x72, 0x61, 0x72, 0x79, 0x12, 0x33, 0x0a, 0x08, 0x6d, 0x65, 0x74,
 	0x61, 0x64, 0x61, 0x74, 0x61, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x17, 0x2e, 0x63, 0x6f,
 	0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x45, 0x78, 0x74, 0x65, 0x6e, 0x64, 0x41, 0x74, 0x74, 0x72, 0x69,
-	0x62, 0x75, 0x74, 0x65, 0x52, 0x08, 0x6d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0x42, 0x35,
+	0x62, 0x75, 0x74, 0x65, 0x52, 0x08, 0x6d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0x42, 0x32,
-	0x5a, 0x33, 0x64, 0x37, 0x79, 0x2e, 0x69, 0x6f, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x76, 0x32, 0x2f,
+	0x5a, 0x30, 0x64, 0x37, 0x79, 0x2e, 0x69, 0x6f, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x70, 0x6b, 0x67,
-	0x70, 0x6b, 0x67, 0x2f, 0x61, 0x70, 0x69, 0x73, 0x2f, 0x65, 0x72, 0x72, 0x6f, 0x72, 0x64, 0x65,
+	0x2f, 0x61, 0x70, 0x69, 0x73, 0x2f, 0x65, 0x72, 0x72, 0x6f, 0x72, 0x64, 0x65, 0x74, 0x61, 0x69,
-	0x74, 0x61, 0x69, 0x6c, 0x73, 0x2f, 0x76, 0x31, 0x3b, 0x65, 0x72, 0x72, 0x6f, 0x72, 0x64, 0x65,
+	0x6c, 0x73, 0x2f, 0x76, 0x31, 0x3b, 0x65, 0x72, 0x72, 0x6f, 0x72, 0x64, 0x65, 0x74, 0x61, 0x69,
-	0x74, 0x61, 0x69, 0x6c, 0x73, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x6c, 0x73, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 var (
--- a/pkg/apis/errordetails/v1/errordetails.proto
+++ b/pkg/apis/errordetails/v1/errordetails.proto
@ -20,7 +20,7 @@ package errordetails;
 import "pkg/apis/common/v1/common.proto";
-option go_package = "d7y.io/api/v2/pkg/apis/errordetails/v1;errordetails";
+option go_package = "d7y.io/api/pkg/apis/errordetails/v1;errordetails";
 message SourceError {
  bool temporary = 1;
--- a/pkg/apis/errordetails/v2/errordetails.pb.go
+++ b/pkg/apis/errordetails/v2/errordetails.pb.go
@ -1,5 +1,5 @@
 //
-//     Copyright 2024 The Dragonfly Authors
+//     Copyright 2022 The Dragonfly Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@ -22,6 +22,7 @@
 package errordetails
 import (
 	v2 "d7y.io/api/pkg/apis/common/v2"
 	_ "github.com/envoyproxy/protoc-gen-validate/validate"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
@ -36,22 +37,18 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
-// Backend is error detail for Backend.
+// DownloadPeerBackToSourceFailed is error detail of downloading peer back-to-source.
-type Backend struct {
+type DownloadPeerBackToSourceFailed struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
-	// Backend error message.
+	// The description of the error.
-	Message string `protobuf:"bytes,1,opt,name=message,proto3" json:"message,omitempty"`
+	Description string `protobuf:"bytes,1,opt,name=description,proto3" json:"description,omitempty"`
 	// Backend HTTP response header.
 	Header map[string]string `protobuf:"bytes,2,rep,name=header,proto3" json:"header,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
 	// Backend HTTP status code.
 	StatusCode *int32 `protobuf:"varint,3,opt,name=status_code,json=statusCode,proto3,oneof" json:"status_code,omitempty"`
 }
-func (x *Backend) Reset() {
+func (x *DownloadPeerBackToSourceFailed) Reset() {
-	*x = Backend{}
+	*x = DownloadPeerBackToSourceFailed{}
 	if protoimpl.UnsafeEnabled {
 		mi := &file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes[0]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
@ -59,13 +56,13 @@ func (x *Backend) Reset() {
 	}
 }
-func (x *Backend) String() string {
+func (x *DownloadPeerBackToSourceFailed) String() string {
 	return protoimpl.X.MessageStringOf(x)
 }
-func (*Backend) ProtoMessage() {}
+func (*DownloadPeerBackToSourceFailed) ProtoMessage() {}
-func (x *Backend) ProtoReflect() protoreflect.Message {
+func (x *DownloadPeerBackToSourceFailed) ProtoReflect() protoreflect.Message {
 	mi := &file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes[0]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
@ -77,44 +74,36 @@ func (x *Backend) ProtoReflect() protoreflect.Message {
 	return mi.MessageOf(x)
 }
-// Deprecated: Use Backend.ProtoReflect.Descriptor instead.
+// Deprecated: Use DownloadPeerBackToSourceFailed.ProtoReflect.Descriptor instead.
-func (*Backend) Descriptor() ([]byte, []int) {
+func (*DownloadPeerBackToSourceFailed) Descriptor() ([]byte, []int) {
 	return file_pkg_apis_errordetails_v2_errordetails_proto_rawDescGZIP(), []int{0}
 }
-func (x *Backend) GetMessage() string {
+func (x *DownloadPeerBackToSourceFailed) GetDescription() string {
 	if x != nil {
-		return x.Message
+		return x.Description
 	}
 	return ""
 }
-func (x *Backend) GetHeader() map[string]string {
+// DownloadPieceBackToSourceFailed is error detail of downloading piece back-to-source.
-	if x != nil {
+type DownloadPieceBackToSourceFailed struct {
 		return x.Header
 	}
 	return nil
 }
 func (x *Backend) GetStatusCode() int32 {
 	if x != nil && x.StatusCode != nil {
 		return *x.StatusCode
 	}
 	return 0
 }
 // Unknown is error detail for Unknown.
 type Unknown struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
-	// Unknown error message.
+	// Temporary recoverable error of source.
-	Message *string `protobuf:"bytes,1,opt,name=message,proto3,oneof" json:"message,omitempty"`
+	Temporary bool `protobuf:"varint,1,opt,name=temporary,proto3" json:"temporary,omitempty"`
 	// Source response metadata, eg: HTTP Status Code, HTTP Status, HTTP Header
 	Metadata *v2.ExtendAttribute `protobuf:"bytes,2,opt,name=metadata,proto3" json:"metadata,omitempty"`
 	// The number of piece.
 	PieceNumber uint32 `protobuf:"varint,3,opt,name=piece_number,json=pieceNumber,proto3" json:"piece_number,omitempty"`
 	// The description of the error.
 	Description string `protobuf:"bytes,4,opt,name=description,proto3" json:"description,omitempty"`
 }
-func (x *Unknown) Reset() {
+func (x *DownloadPieceBackToSourceFailed) Reset() {
-	*x = Unknown{}
+	*x = DownloadPieceBackToSourceFailed{}
 	if protoimpl.UnsafeEnabled {
 		mi := &file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes[1]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
@ -122,13 +111,13 @@ func (x *Unknown) Reset() {
 	}
 }
-func (x *Unknown) String() string {
+func (x *DownloadPieceBackToSourceFailed) String() string {
 	return protoimpl.X.MessageStringOf(x)
 }
-func (*Unknown) ProtoMessage() {}
+func (*DownloadPieceBackToSourceFailed) ProtoMessage() {}
-func (x *Unknown) ProtoReflect() protoreflect.Message {
+func (x *DownloadPieceBackToSourceFailed) ProtoReflect() protoreflect.Message {
 	mi := &file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes[1]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
@ -140,14 +129,334 @@ func (x *Unknown) ProtoReflect() protoreflect.Message {
 	return mi.MessageOf(x)
 }
-// Deprecated: Use Unknown.ProtoReflect.Descriptor instead.
+// Deprecated: Use DownloadPieceBackToSourceFailed.ProtoReflect.Descriptor instead.
-func (*Unknown) Descriptor() ([]byte, []int) {
+func (*DownloadPieceBackToSourceFailed) Descriptor() ([]byte, []int) {
 	return file_pkg_apis_errordetails_v2_errordetails_proto_rawDescGZIP(), []int{1}
 }
-func (x *Unknown) GetMessage() string {
+func (x *DownloadPieceBackToSourceFailed) GetTemporary() bool {
-	if x != nil && x.Message != nil {
+	if x != nil {
-		return *x.Message
+		return x.Temporary
 	}
 	return false
 }
 func (x *DownloadPieceBackToSourceFailed) GetMetadata() *v2.ExtendAttribute {
 	if x != nil {
 		return x.Metadata
 	}
 	return nil
 }
 func (x *DownloadPieceBackToSourceFailed) GetPieceNumber() uint32 {
 	if x != nil {
 		return x.PieceNumber
 	}
 	return 0
 }
 func (x *DownloadPieceBackToSourceFailed) GetDescription() string {
 	if x != nil {
 		return x.Description
 	}
 	return ""
 }
 // DownloadPieceFailed is error detail of downloading piece.
 type DownloadPieceFailed struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 	// Temporary recoverable error of parent peer.
 	Temporary bool `protobuf:"varint,1,opt,name=temporary,proto3" json:"temporary,omitempty"`
 	// Source response metadata, eg: HTTP Status Code, HTTP Status, HTTP Header
 	Metadata *v2.ExtendAttribute `protobuf:"bytes,2,opt,name=metadata,proto3" json:"metadata,omitempty"`
 	// Piece is information of piece.
 	ParentId string `protobuf:"bytes,3,opt,name=parent_id,json=parentId,proto3" json:"parent_id,omitempty"`
 	// The number of piece.
 	PieceNumber uint32 `protobuf:"varint,4,opt,name=piece_number,json=pieceNumber,proto3" json:"piece_number,omitempty"`
 	// The description of the error.
 	Description string `protobuf:"bytes,5,opt,name=description,proto3" json:"description,omitempty"`
 }
 func (x *DownloadPieceFailed) Reset() {
 	*x = DownloadPieceFailed{}
 	if protoimpl.UnsafeEnabled {
 		mi := &file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes[2]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
 }
 func (x *DownloadPieceFailed) String() string {
 	return protoimpl.X.MessageStringOf(x)
 }
 func (*DownloadPieceFailed) ProtoMessage() {}
 func (x *DownloadPieceFailed) ProtoReflect() protoreflect.Message {
 	mi := &file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes[2]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
 		}
 		return ms
 	}
 	return mi.MessageOf(x)
 }
 // Deprecated: Use DownloadPieceFailed.ProtoReflect.Descriptor instead.
 func (*DownloadPieceFailed) Descriptor() ([]byte, []int) {
 	return file_pkg_apis_errordetails_v2_errordetails_proto_rawDescGZIP(), []int{2}
 }
 func (x *DownloadPieceFailed) GetTemporary() bool {
 	if x != nil {
 		return x.Temporary
 	}
 	return false
 }
 func (x *DownloadPieceFailed) GetMetadata() *v2.ExtendAttribute {
 	if x != nil {
 		return x.Metadata
 	}
 	return nil
 }
 func (x *DownloadPieceFailed) GetParentId() string {
 	if x != nil {
 		return x.ParentId
 	}
 	return ""
 }
 func (x *DownloadPieceFailed) GetPieceNumber() uint32 {
 	if x != nil {
 		return x.PieceNumber
 	}
 	return 0
 }
 func (x *DownloadPieceFailed) GetDescription() string {
 	if x != nil {
 		return x.Description
 	}
 	return ""
 }
 // SchedulePeerForbidden is error detail of forbidden.
 type SchedulePeerForbidden struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 	// The description of the error.
 	Description string `protobuf:"bytes,1,opt,name=description,proto3" json:"description,omitempty"`
 }
 func (x *SchedulePeerForbidden) Reset() {
 	*x = SchedulePeerForbidden{}
 	if protoimpl.UnsafeEnabled {
 		mi := &file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes[3]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
 }
 func (x *SchedulePeerForbidden) String() string {
 	return protoimpl.X.MessageStringOf(x)
 }
 func (*SchedulePeerForbidden) ProtoMessage() {}
 func (x *SchedulePeerForbidden) ProtoReflect() protoreflect.Message {
 	mi := &file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes[3]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
 		}
 		return ms
 	}
 	return mi.MessageOf(x)
 }
 // Deprecated: Use SchedulePeerForbidden.ProtoReflect.Descriptor instead.
 func (*SchedulePeerForbidden) Descriptor() ([]byte, []int) {
 	return file_pkg_apis_errordetails_v2_errordetails_proto_rawDescGZIP(), []int{3}
 }
 func (x *SchedulePeerForbidden) GetDescription() string {
 	if x != nil {
 		return x.Description
 	}
 	return ""
 }
 // SchedulePeerFailed is error detail of scheduling.
 type SchedulePeerFailed struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 	// The description of the error.
 	Description string `protobuf:"bytes,1,opt,name=description,proto3" json:"description,omitempty"`
 }
 func (x *SchedulePeerFailed) Reset() {
 	*x = SchedulePeerFailed{}
 	if protoimpl.UnsafeEnabled {
 		mi := &file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes[4]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
 }
 func (x *SchedulePeerFailed) String() string {
 	return protoimpl.X.MessageStringOf(x)
 }
 func (*SchedulePeerFailed) ProtoMessage() {}
 func (x *SchedulePeerFailed) ProtoReflect() protoreflect.Message {
 	mi := &file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes[4]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
 		}
 		return ms
 	}
 	return mi.MessageOf(x)
 }
 // Deprecated: Use SchedulePeerFailed.ProtoReflect.Descriptor instead.
 func (*SchedulePeerFailed) Descriptor() ([]byte, []int) {
 	return file_pkg_apis_errordetails_v2_errordetails_proto_rawDescGZIP(), []int{4}
 }
 func (x *SchedulePeerFailed) GetDescription() string {
 	if x != nil {
 		return x.Description
 	}
 	return ""
 }
 // SyncPiecesFailed is error detail of syncing pieces.
 type SyncPiecesFailed struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 	// Temporary recoverable error of parent peer.
 	Temporary bool `protobuf:"varint,1,opt,name=temporary,proto3" json:"temporary,omitempty"`
 	// Parent peer id.
 	ParentId string `protobuf:"bytes,2,opt,name=parent_id,json=parentId,proto3" json:"parent_id,omitempty"`
 	// The description of the error.
 	Description string `protobuf:"bytes,3,opt,name=description,proto3" json:"description,omitempty"`
 }
 func (x *SyncPiecesFailed) Reset() {
 	*x = SyncPiecesFailed{}
 	if protoimpl.UnsafeEnabled {
 		mi := &file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes[5]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
 }
 func (x *SyncPiecesFailed) String() string {
 	return protoimpl.X.MessageStringOf(x)
 }
 func (*SyncPiecesFailed) ProtoMessage() {}
 func (x *SyncPiecesFailed) ProtoReflect() protoreflect.Message {
 	mi := &file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes[5]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
 		}
 		return ms
 	}
 	return mi.MessageOf(x)
 }
 // Deprecated: Use SyncPiecesFailed.ProtoReflect.Descriptor instead.
 func (*SyncPiecesFailed) Descriptor() ([]byte, []int) {
 	return file_pkg_apis_errordetails_v2_errordetails_proto_rawDescGZIP(), []int{5}
 }
 func (x *SyncPiecesFailed) GetTemporary() bool {
 	if x != nil {
 		return x.Temporary
 	}
 	return false
 }
 func (x *SyncPiecesFailed) GetParentId() string {
 	if x != nil {
 		return x.ParentId
 	}
 	return ""
 }
 func (x *SyncPiecesFailed) GetDescription() string {
 	if x != nil {
 		return x.Description
 	}
 	return ""
 }
 // StatMetadataFailed is error detail of stat metadata.
 type StatMetadataFailed struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 	// The description of the error.
 	Description string `protobuf:"bytes,1,opt,name=description,proto3" json:"description,omitempty"`
 }
 func (x *StatMetadataFailed) Reset() {
 	*x = StatMetadataFailed{}
 	if protoimpl.UnsafeEnabled {
 		mi := &file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes[6]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
 }
 func (x *StatMetadataFailed) String() string {
 	return protoimpl.X.MessageStringOf(x)
 }
 func (*StatMetadataFailed) ProtoMessage() {}
 func (x *StatMetadataFailed) ProtoReflect() protoreflect.Message {
 	mi := &file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes[6]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
 		}
 		return ms
 	}
 	return mi.MessageOf(x)
 }
 // Deprecated: Use StatMetadataFailed.ProtoReflect.Descriptor instead.
 func (*StatMetadataFailed) Descriptor() ([]byte, []int) {
 	return file_pkg_apis_errordetails_v2_errordetails_proto_rawDescGZIP(), []int{6}
 }
 func (x *StatMetadataFailed) GetDescription() string {
 	if x != nil {
 		return x.Description
 	}
 	return ""
 }
@ -160,28 +469,63 @@ var file_pkg_apis_errordetails_v2_errordetails_proto_rawDesc = []byte{
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 	0x28, 0x09, 0x42, 0x07, 0xfa, 0x42, 0x04, 0x72, 0x02, 0x10, 0x01, 0x52, 0x08, 0x70, 0x61, 0x72,
 	0x65, 0x6e, 0x74, 0x49, 0x64, 0x12, 0x20, 0x0a, 0x0b, 0x64, 0x65, 0x73, 0x63, 0x72, 0x69, 0x70,
 	0x74, 0x69, 0x6f, 0x6e, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0b, 0x64, 0x65, 0x73, 0x63,
 	0x72, 0x69, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x22, 0x36, 0x0a, 0x12, 0x53, 0x74, 0x61, 0x74, 0x4d,
 	0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0x46, 0x61, 0x69, 0x6c, 0x65, 0x64, 0x12, 0x20, 0x0a,
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 	0x32, 0x5a, 0x30, 0x64, 0x37, 0x79, 0x2e, 0x69, 0x6f, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x70, 0x6b,
 	0x67, 0x2f, 0x61, 0x70, 0x69, 0x73, 0x2f, 0x65, 0x72, 0x72, 0x6f, 0x72, 0x64, 0x65, 0x74, 0x61,
 	0x69, 0x6c, 0x73, 0x2f, 0x76, 0x32, 0x3b, 0x65, 0x72, 0x72, 0x6f, 0x72, 0x64, 0x65, 0x74, 0x61,
 	0x69, 0x6c, 0x73, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 var (
@ -196,19 +540,25 @@ func file_pkg_apis_errordetails_v2_errordetails_proto_rawDescGZIP() []byte {
 	return file_pkg_apis_errordetails_v2_errordetails_proto_rawDescData
 }
-var file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes = make([]protoimpl.MessageInfo, 3)
+var file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes = make([]protoimpl.MessageInfo, 7)
 var file_pkg_apis_errordetails_v2_errordetails_proto_goTypes = []interface{}{
-	(*Backend)(nil), // 0: errordetails.v2.Backend
+	(*DownloadPeerBackToSourceFailed)(nil),  // 0: errordetails.v2.DownloadPeerBackToSourceFailed
-	(*Unknown)(nil), // 1: errordetails.v2.Unknown
+	(*DownloadPieceBackToSourceFailed)(nil), // 1: errordetails.v2.DownloadPieceBackToSourceFailed
-	nil,             // 2: errordetails.v2.Backend.HeaderEntry
+	(*DownloadPieceFailed)(nil),             // 2: errordetails.v2.DownloadPieceFailed
 	(*SchedulePeerForbidden)(nil),           // 3: errordetails.v2.SchedulePeerForbidden
 	(*SchedulePeerFailed)(nil),              // 4: errordetails.v2.SchedulePeerFailed
 	(*SyncPiecesFailed)(nil),                // 5: errordetails.v2.SyncPiecesFailed
 	(*StatMetadataFailed)(nil),              // 6: errordetails.v2.StatMetadataFailed
 	(*v2.ExtendAttribute)(nil),              // 7: common.v2.ExtendAttribute
 }
 var file_pkg_apis_errordetails_v2_errordetails_proto_depIdxs = []int32{
-	2, // 0: errordetails.v2.Backend.header:type_name -> errordetails.v2.Backend.HeaderEntry
+	7, // 0: errordetails.v2.DownloadPieceBackToSourceFailed.metadata:type_name -> common.v2.ExtendAttribute
-	1, // [1:1] is the sub-list for method output_type
+	7, // 1: errordetails.v2.DownloadPieceFailed.metadata:type_name -> common.v2.ExtendAttribute
-	1, // [1:1] is the sub-list for method input_type
+	2, // [2:2] is the sub-list for method output_type
-	1, // [1:1] is the sub-list for extension type_name
+	2, // [2:2] is the sub-list for method input_type
-	1, // [1:1] is the sub-list for extension extendee
+	2, // [2:2] is the sub-list for extension type_name
-	0, // [0:1] is the sub-list for field type_name
+	2, // [2:2] is the sub-list for extension extendee
 	0, // [0:2] is the sub-list for field type_name
 }
 func init() { file_pkg_apis_errordetails_v2_errordetails_proto_init() }
@ -218,7 +568,7 @@ func file_pkg_apis_errordetails_v2_errordetails_proto_init() {
 	}
 	if !protoimpl.UnsafeEnabled {
 		file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Backend); i {
+			switch v := v.(*DownloadPeerBackToSourceFailed); i {
 			case 0:
 				return &v.state
 			case 1:
@ -230,7 +580,67 @@ func file_pkg_apis_errordetails_v2_errordetails_proto_init() {
 			}
 		}
 		file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Unknown); i {
+			switch v := v.(*DownloadPieceBackToSourceFailed); i {
 			case 0:
 				return &v.state
 			case 1:
 				return &v.sizeCache
 			case 2:
 				return &v.unknownFields
 			default:
 				return nil
 			}
 		}
 		file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*DownloadPieceFailed); i {
 			case 0:
 				return &v.state
 			case 1:
 				return &v.sizeCache
 			case 2:
 				return &v.unknownFields
 			default:
 				return nil
 			}
 		}
 		file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*SchedulePeerForbidden); i {
 			case 0:
 				return &v.state
 			case 1:
 				return &v.sizeCache
 			case 2:
 				return &v.unknownFields
 			default:
 				return nil
 			}
 		}
 		file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*SchedulePeerFailed); i {
 			case 0:
 				return &v.state
 			case 1:
 				return &v.sizeCache
 			case 2:
 				return &v.unknownFields
 			default:
 				return nil
 			}
 		}
 		file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*SyncPiecesFailed); i {
 			case 0:
 				return &v.state
 			case 1:
 				return &v.sizeCache
 			case 2:
 				return &v.unknownFields
 			default:
 				return nil
 			}
 		}
 		file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*StatMetadataFailed); i {
 			case 0:
 				return &v.state
 			case 1:
@ -242,15 +652,13 @@ func file_pkg_apis_errordetails_v2_errordetails_proto_init() {
 			}
 		}
 	}
 	file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes[0].OneofWrappers = []interface{}{}
 	file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes[1].OneofWrappers = []interface{}{}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_pkg_apis_errordetails_v2_errordetails_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   3,
+			NumMessages:   7,
 			NumExtensions: 0,
 			NumServices:   0,
 		},
--- a/pkg/apis/errordetails/v2/errordetails.pb.validate.go
+++ b/pkg/apis/errordetails/v2/errordetails.pb.validate.go
@ -35,39 +35,139 @@ var (
 	_ = sort.Sort
 )
-// Validate checks the field values on Backend with the rules defined in the
+// Validate checks the field values on DownloadPeerBackToSourceFailed with the
-// proto definition for this message. If any rules are violated, the first
+// rules defined in the proto definition for this message. If any rules are
-// error encountered is returned, or nil if there are no violations.
+// violated, the first error encountered is returned, or nil if there are no violations.
-func (m *Backend) Validate() error {
+func (m *DownloadPeerBackToSourceFailed) Validate() error {
 	return m.validate(false)
 }
-// ValidateAll checks the field values on Backend with the rules defined in the
+// ValidateAll checks the field values on DownloadPeerBackToSourceFailed with
-// proto definition for this message. If any rules are violated, the result is
+// the rules defined in the proto definition for this message. If any rules
-// a list of violation errors wrapped in BackendMultiError, or nil if none found.
+// are violated, the result is a list of violation errors wrapped in
-func (m *Backend) ValidateAll() error {
+// DownloadPeerBackToSourceFailedMultiError, or nil if none found.
 func (m *DownloadPeerBackToSourceFailed) ValidateAll() error {
 	return m.validate(true)
 }
-func (m *Backend) validate(all bool) error {
+func (m *DownloadPeerBackToSourceFailed) validate(all bool) error {
 	if m == nil {
 		return nil
 	}
 	var errors []error
-	// no validation rules for Message
+	// no validation rules for Description
-	// no validation rules for Header
+	if len(errors) > 0 {
 		return DownloadPeerBackToSourceFailedMultiError(errors)
 	}
-	if m.StatusCode != nil {
+	return nil
 }
-		if m.GetStatusCode() != 0 {
+// DownloadPeerBackToSourceFailedMultiError is an error wrapping multiple
 // validation errors returned by DownloadPeerBackToSourceFailed.ValidateAll()
 // if the designated constraints aren't met.
 type DownloadPeerBackToSourceFailedMultiError []error
-			if val := m.GetStatusCode(); val < 100 || val >= 599 {
+// Error returns a concatenation of all the error messages it wraps.
-				err := BackendValidationError{
+func (m DownloadPeerBackToSourceFailedMultiError) Error() string {
-					field:  "StatusCode",
+	var msgs []string
-					reason: "value must be inside range [100, 599)",
+	for _, err := range m {
 		msgs = append(msgs, err.Error())
 	}
 	return strings.Join(msgs, "; ")
 }
 // AllErrors returns a list of validation violation errors.
 func (m DownloadPeerBackToSourceFailedMultiError) AllErrors() []error { return m }
 // DownloadPeerBackToSourceFailedValidationError is the validation error
 // returned by DownloadPeerBackToSourceFailed.Validate if the designated
 // constraints aren't met.
 type DownloadPeerBackToSourceFailedValidationError struct {
 	field  string
 	reason string
 	cause  error
 	key    bool
 }
 // Field function returns field value.
 func (e DownloadPeerBackToSourceFailedValidationError) Field() string { return e.field }
 // Reason function returns reason value.
 func (e DownloadPeerBackToSourceFailedValidationError) Reason() string { return e.reason }
 // Cause function returns cause value.
 func (e DownloadPeerBackToSourceFailedValidationError) Cause() error { return e.cause }
 // Key function returns key value.
 func (e DownloadPeerBackToSourceFailedValidationError) Key() bool { return e.key }
 // ErrorName returns error name.
 func (e DownloadPeerBackToSourceFailedValidationError) ErrorName() string {
 	return "DownloadPeerBackToSourceFailedValidationError"
 }
 // Error satisfies the builtin error interface
 func (e DownloadPeerBackToSourceFailedValidationError) Error() string {
 	cause := ""
 	if e.cause != nil {
 		cause = fmt.Sprintf(" | caused by: %v", e.cause)
 	}
 	key := ""
 	if e.key {
 		key = "key for "
 	}
 	return fmt.Sprintf(
 		"invalid %sDownloadPeerBackToSourceFailed.%s: %s%s",
 		key,
 		e.field,
 		e.reason,
 		cause)
 }
 var _ error = DownloadPeerBackToSourceFailedValidationError{}
 var _ interface {
 	Field() string
 	Reason() string
 	Key() bool
 	Cause() error
 	ErrorName() string
 } = DownloadPeerBackToSourceFailedValidationError{}
 // Validate checks the field values on DownloadPieceBackToSourceFailed with the
 // rules defined in the proto definition for this message. If any rules are
 // violated, the first error encountered is returned, or nil if there are no violations.
 func (m *DownloadPieceBackToSourceFailed) Validate() error {
 	return m.validate(false)
 }
 // ValidateAll checks the field values on DownloadPieceBackToSourceFailed with
 // the rules defined in the proto definition for this message. If any rules
 // are violated, the result is a list of violation errors wrapped in
 // DownloadPieceBackToSourceFailedMultiError, or nil if none found.
 func (m *DownloadPieceBackToSourceFailed) ValidateAll() error {
 	return m.validate(true)
 }
 func (m *DownloadPieceBackToSourceFailed) validate(all bool) error {
 	if m == nil {
 		return nil
 	}
 	var errors []error
 	// no validation rules for Temporary
 	if m.GetMetadata() == nil {
 		err := DownloadPieceBackToSourceFailedValidationError{
 			field:  "Metadata",
 			reason: "value is required",
 		}
 		if !all {
 			return err
@ -75,23 +175,62 @@ func (m *Backend) validate(all bool) error {
 		errors = append(errors, err)
 	}
 	if all {
 		switch v := interface{}(m.GetMetadata()).(type) {
 		case interface{ ValidateAll() error }:
 			if err := v.ValidateAll(); err != nil {
 				errors = append(errors, DownloadPieceBackToSourceFailedValidationError{
 					field:  "Metadata",
 					reason: "embedded message failed validation",
 					cause:  err,
 				})
 			}
 		case interface{ Validate() error }:
 			if err := v.Validate(); err != nil {
 				errors = append(errors, DownloadPieceBackToSourceFailedValidationError{
 					field:  "Metadata",
 					reason: "embedded message failed validation",
 					cause:  err,
 				})
 			}
 		}
 	} else if v, ok := interface{}(m.GetMetadata()).(interface{ Validate() error }); ok {
 		if err := v.Validate(); err != nil {
 			return DownloadPieceBackToSourceFailedValidationError{
 				field:  "Metadata",
 				reason: "embedded message failed validation",
 				cause:  err,
 			}
 		}
 	}
 	if m.GetPieceNumber() < 0 {
 		err := DownloadPieceBackToSourceFailedValidationError{
 			field:  "PieceNumber",
 			reason: "value must be greater than or equal to 0",
 		}
 		if !all {
 			return err
 		}
 		errors = append(errors, err)
 	}
 	// no validation rules for Description
 	if len(errors) > 0 {
-		return BackendMultiError(errors)
+		return DownloadPieceBackToSourceFailedMultiError(errors)
 	}
 	return nil
 }
-// BackendMultiError is an error wrapping multiple validation errors returned
+// DownloadPieceBackToSourceFailedMultiError is an error wrapping multiple
-// by Backend.ValidateAll() if the designated constraints aren't met.
+// validation errors returned by DownloadPieceBackToSourceFailed.ValidateAll()
-type BackendMultiError []error
+// if the designated constraints aren't met.
 type DownloadPieceBackToSourceFailedMultiError []error
 // Error returns a concatenation of all the error messages it wraps.
-func (m BackendMultiError) Error() string {
+func (m DownloadPieceBackToSourceFailedMultiError) Error() string {
 	var msgs []string
 	for _, err := range m {
 		msgs = append(msgs, err.Error())
@ -100,11 +239,12 @@ func (m BackendMultiError) Error() string {
 }
 // AllErrors returns a list of validation violation errors.
-func (m BackendMultiError) AllErrors() []error { return m }
+func (m DownloadPieceBackToSourceFailedMultiError) AllErrors() []error { return m }
-// BackendValidationError is the validation error returned by Backend.Validate
+// DownloadPieceBackToSourceFailedValidationError is the validation error
-// if the designated constraints aren't met.
+// returned by DownloadPieceBackToSourceFailed.Validate if the designated
-type BackendValidationError struct {
+// constraints aren't met.
 type DownloadPieceBackToSourceFailedValidationError struct {
 	field  string
 	reason string
 	cause  error
@ -112,22 +252,24 @@ type BackendValidationError struct {
 }
 // Field function returns field value.
-func (e BackendValidationError) Field() string { return e.field }
+func (e DownloadPieceBackToSourceFailedValidationError) Field() string { return e.field }
 // Reason function returns reason value.
-func (e BackendValidationError) Reason() string { return e.reason }
+func (e DownloadPieceBackToSourceFailedValidationError) Reason() string { return e.reason }
 // Cause function returns cause value.
-func (e BackendValidationError) Cause() error { return e.cause }
+func (e DownloadPieceBackToSourceFailedValidationError) Cause() error { return e.cause }
 // Key function returns key value.
-func (e BackendValidationError) Key() bool { return e.key }
+func (e DownloadPieceBackToSourceFailedValidationError) Key() bool { return e.key }
 // ErrorName returns error name.
-func (e BackendValidationError) ErrorName() string { return "BackendValidationError" }
+func (e DownloadPieceBackToSourceFailedValidationError) ErrorName() string {
 	return "DownloadPieceBackToSourceFailedValidationError"
 }
 // Error satisfies the builtin error interface
-func (e BackendValidationError) Error() string {
+func (e DownloadPieceBackToSourceFailedValidationError) Error() string {
 	cause := ""
 	if e.cause != nil {
 		cause = fmt.Sprintf(" | caused by: %v", e.cause)
@ -139,14 +281,14 @@ func (e BackendValidationError) Error() string {
 	}
 	return fmt.Sprintf(
-		"invalid %sBackend.%s: %s%s",
+		"invalid %sDownloadPieceBackToSourceFailed.%s: %s%s",
 		key,
 		e.field,
 		e.reason,
 		cause)
 }
-var _ error = BackendValidationError{}
+var _ error = DownloadPieceBackToSourceFailedValidationError{}
 var _ interface {
 	Field() string
@ -154,46 +296,110 @@ var _ interface {
 	Key() bool
 	Cause() error
 	ErrorName() string
-} = BackendValidationError{}
+} = DownloadPieceBackToSourceFailedValidationError{}
-// Validate checks the field values on Unknown with the rules defined in the
+// Validate checks the field values on DownloadPieceFailed with the rules
-// proto definition for this message. If any rules are violated, the first
+// defined in the proto definition for this message. If any rules are
-// error encountered is returned, or nil if there are no violations.
+// violated, the first error encountered is returned, or nil if there are no violations.
-func (m *Unknown) Validate() error {
+func (m *DownloadPieceFailed) Validate() error {
 	return m.validate(false)
 }
-// ValidateAll checks the field values on Unknown with the rules defined in the
+// ValidateAll checks the field values on DownloadPieceFailed with the rules
-// proto definition for this message. If any rules are violated, the result is
+// defined in the proto definition for this message. If any rules are
-// a list of violation errors wrapped in UnknownMultiError, or nil if none found.
+// violated, the result is a list of violation errors wrapped in
-func (m *Unknown) ValidateAll() error {
+// DownloadPieceFailedMultiError, or nil if none found.
 func (m *DownloadPieceFailed) ValidateAll() error {
 	return m.validate(true)
 }
-func (m *Unknown) validate(all bool) error {
+func (m *DownloadPieceFailed) validate(all bool) error {
 	if m == nil {
 		return nil
 	}
 	var errors []error
-	if m.Message != nil {
+	// no validation rules for Temporary
-		// no validation rules for Message
+
 	if m.GetMetadata() == nil {
 		err := DownloadPieceFailedValidationError{
 			field:  "Metadata",
 			reason: "value is required",
 		}
 		if !all {
 			return err
 		}
 		errors = append(errors, err)
 	}
 	if all {
 		switch v := interface{}(m.GetMetadata()).(type) {
 		case interface{ ValidateAll() error }:
 			if err := v.ValidateAll(); err != nil {
 				errors = append(errors, DownloadPieceFailedValidationError{
 					field:  "Metadata",
 					reason: "embedded message failed validation",
 					cause:  err,
 				})
 			}
 		case interface{ Validate() error }:
 			if err := v.Validate(); err != nil {
 				errors = append(errors, DownloadPieceFailedValidationError{
 					field:  "Metadata",
 					reason: "embedded message failed validation",
 					cause:  err,
 				})
 			}
 		}
 	} else if v, ok := interface{}(m.GetMetadata()).(interface{ Validate() error }); ok {
 		if err := v.Validate(); err != nil {
 			return DownloadPieceFailedValidationError{
 				field:  "Metadata",
 				reason: "embedded message failed validation",
 				cause:  err,
 			}
 		}
 	}
 	if utf8.RuneCountInString(m.GetParentId()) < 1 {
 		err := DownloadPieceFailedValidationError{
 			field:  "ParentId",
 			reason: "value length must be at least 1 runes",
 		}
 		if !all {
 			return err
 		}
 		errors = append(errors, err)
 	}
 	if m.GetPieceNumber() < 0 {
 		err := DownloadPieceFailedValidationError{
 			field:  "PieceNumber",
 			reason: "value must be greater than or equal to 0",
 		}
 		if !all {
 			return err
 		}
 		errors = append(errors, err)
 	}
 	// no validation rules for Description
 	if len(errors) > 0 {
-		return UnknownMultiError(errors)
+		return DownloadPieceFailedMultiError(errors)
 	}
 	return nil
 }
-// UnknownMultiError is an error wrapping multiple validation errors returned
+// DownloadPieceFailedMultiError is an error wrapping multiple validation
-// by Unknown.ValidateAll() if the designated constraints aren't met.
+// errors returned by DownloadPieceFailed.ValidateAll() if the designated
-type UnknownMultiError []error
+// constraints aren't met.
 type DownloadPieceFailedMultiError []error
 // Error returns a concatenation of all the error messages it wraps.
-func (m UnknownMultiError) Error() string {
+func (m DownloadPieceFailedMultiError) Error() string {
 	var msgs []string
 	for _, err := range m {
 		msgs = append(msgs, err.Error())
@ -202,11 +408,11 @@ func (m UnknownMultiError) Error() string {
 }
 // AllErrors returns a list of validation violation errors.
-func (m UnknownMultiError) AllErrors() []error { return m }
+func (m DownloadPieceFailedMultiError) AllErrors() []error { return m }
-// UnknownValidationError is the validation error returned by Unknown.Validate
+// DownloadPieceFailedValidationError is the validation error returned by
-// if the designated constraints aren't met.
+// DownloadPieceFailed.Validate if the designated constraints aren't met.
-type UnknownValidationError struct {
+type DownloadPieceFailedValidationError struct {
 	field  string
 	reason string
 	cause  error
@ -214,22 +420,24 @@ type UnknownValidationError struct {
 }
 // Field function returns field value.
-func (e UnknownValidationError) Field() string { return e.field }
+func (e DownloadPieceFailedValidationError) Field() string { return e.field }
 // Reason function returns reason value.
-func (e UnknownValidationError) Reason() string { return e.reason }
+func (e DownloadPieceFailedValidationError) Reason() string { return e.reason }
 // Cause function returns cause value.
-func (e UnknownValidationError) Cause() error { return e.cause }
+func (e DownloadPieceFailedValidationError) Cause() error { return e.cause }
 // Key function returns key value.
-func (e UnknownValidationError) Key() bool { return e.key }
+func (e DownloadPieceFailedValidationError) Key() bool { return e.key }
 // ErrorName returns error name.
-func (e UnknownValidationError) ErrorName() string { return "UnknownValidationError" }
+func (e DownloadPieceFailedValidationError) ErrorName() string {
 	return "DownloadPieceFailedValidationError"
 }
 // Error satisfies the builtin error interface
-func (e UnknownValidationError) Error() string {
+func (e DownloadPieceFailedValidationError) Error() string {
 	cause := ""
 	if e.cause != nil {
 		cause = fmt.Sprintf(" | caused by: %v", e.cause)
@ -241,14 +449,14 @@ func (e UnknownValidationError) Error() string {
 	}
 	return fmt.Sprintf(
-		"invalid %sUnknown.%s: %s%s",
+		"invalid %sDownloadPieceFailed.%s: %s%s",
 		key,
 		e.field,
 		e.reason,
 		cause)
 }
-var _ error = UnknownValidationError{}
+var _ error = DownloadPieceFailedValidationError{}
 var _ interface {
 	Field() string
@ -256,4 +464,431 @@ var _ interface {
 	Key() bool
 	Cause() error
 	ErrorName() string
-} = UnknownValidationError{}
+} = DownloadPieceFailedValidationError{}
 // Validate checks the field values on SchedulePeerForbidden with the rules
 // defined in the proto definition for this message. If any rules are
 // violated, the first error encountered is returned, or nil if there are no violations.
 func (m *SchedulePeerForbidden) Validate() error {
 	return m.validate(false)
 }
 // ValidateAll checks the field values on SchedulePeerForbidden with the rules
 // defined in the proto definition for this message. If any rules are
 // violated, the result is a list of violation errors wrapped in
 // SchedulePeerForbiddenMultiError, or nil if none found.
 func (m *SchedulePeerForbidden) ValidateAll() error {
 	return m.validate(true)
 }
 func (m *SchedulePeerForbidden) validate(all bool) error {
 	if m == nil {
 		return nil
 	}
 	var errors []error
 	// no validation rules for Description
 	if len(errors) > 0 {
 		return SchedulePeerForbiddenMultiError(errors)
 	}
 	return nil
 }
 // SchedulePeerForbiddenMultiError is an error wrapping multiple validation
 // errors returned by SchedulePeerForbidden.ValidateAll() if the designated
 // constraints aren't met.
 type SchedulePeerForbiddenMultiError []error
 // Error returns a concatenation of all the error messages it wraps.
 func (m SchedulePeerForbiddenMultiError) Error() string {
 	var msgs []string
 	for _, err := range m {
 		msgs = append(msgs, err.Error())
 	}
 	return strings.Join(msgs, "; ")
 }
 // AllErrors returns a list of validation violation errors.
 func (m SchedulePeerForbiddenMultiError) AllErrors() []error { return m }
 // SchedulePeerForbiddenValidationError is the validation error returned by
 // SchedulePeerForbidden.Validate if the designated constraints aren't met.
 type SchedulePeerForbiddenValidationError struct {
 	field  string
 	reason string
 	cause  error
 	key    bool
 }
 // Field function returns field value.
 func (e SchedulePeerForbiddenValidationError) Field() string { return e.field }
 // Reason function returns reason value.
 func (e SchedulePeerForbiddenValidationError) Reason() string { return e.reason }
 // Cause function returns cause value.
 func (e SchedulePeerForbiddenValidationError) Cause() error { return e.cause }
 // Key function returns key value.
 func (e SchedulePeerForbiddenValidationError) Key() bool { return e.key }
 // ErrorName returns error name.
 func (e SchedulePeerForbiddenValidationError) ErrorName() string {
 	return "SchedulePeerForbiddenValidationError"
 }
 // Error satisfies the builtin error interface
 func (e SchedulePeerForbiddenValidationError) Error() string {
 	cause := ""
 	if e.cause != nil {
 		cause = fmt.Sprintf(" | caused by: %v", e.cause)
 	}
 	key := ""
 	if e.key {
 		key = "key for "
 	}
 	return fmt.Sprintf(
 		"invalid %sSchedulePeerForbidden.%s: %s%s",
 		key,
 		e.field,
 		e.reason,
 		cause)
 }
 var _ error = SchedulePeerForbiddenValidationError{}
 var _ interface {
 	Field() string
 	Reason() string
 	Key() bool
 	Cause() error
 	ErrorName() string
 } = SchedulePeerForbiddenValidationError{}
 // Validate checks the field values on SchedulePeerFailed with the rules
 // defined in the proto definition for this message. If any rules are
 // violated, the first error encountered is returned, or nil if there are no violations.
 func (m *SchedulePeerFailed) Validate() error {
 	return m.validate(false)
 }
 // ValidateAll checks the field values on SchedulePeerFailed with the rules
 // defined in the proto definition for this message. If any rules are
 // violated, the result is a list of violation errors wrapped in
 // SchedulePeerFailedMultiError, or nil if none found.
 func (m *SchedulePeerFailed) ValidateAll() error {
 	return m.validate(true)
 }
 func (m *SchedulePeerFailed) validate(all bool) error {
 	if m == nil {
 		return nil
 	}
 	var errors []error
 	// no validation rules for Description
 	if len(errors) > 0 {
 		return SchedulePeerFailedMultiError(errors)
 	}
 	return nil
 }
 // SchedulePeerFailedMultiError is an error wrapping multiple validation errors
 // returned by SchedulePeerFailed.ValidateAll() if the designated constraints
 // aren't met.
 type SchedulePeerFailedMultiError []error
 // Error returns a concatenation of all the error messages it wraps.
 func (m SchedulePeerFailedMultiError) Error() string {
 	var msgs []string
 	for _, err := range m {
 		msgs = append(msgs, err.Error())
 	}
 	return strings.Join(msgs, "; ")
 }
 // AllErrors returns a list of validation violation errors.
 func (m SchedulePeerFailedMultiError) AllErrors() []error { return m }
 // SchedulePeerFailedValidationError is the validation error returned by
 // SchedulePeerFailed.Validate if the designated constraints aren't met.
 type SchedulePeerFailedValidationError struct {
 	field  string
 	reason string
 	cause  error
 	key    bool
 }
 // Field function returns field value.
 func (e SchedulePeerFailedValidationError) Field() string { return e.field }
 // Reason function returns reason value.
 func (e SchedulePeerFailedValidationError) Reason() string { return e.reason }
 // Cause function returns cause value.
 func (e SchedulePeerFailedValidationError) Cause() error { return e.cause }
 // Key function returns key value.
 func (e SchedulePeerFailedValidationError) Key() bool { return e.key }
 // ErrorName returns error name.
 func (e SchedulePeerFailedValidationError) ErrorName() string {
 	return "SchedulePeerFailedValidationError"
 }
 // Error satisfies the builtin error interface
 func (e SchedulePeerFailedValidationError) Error() string {
 	cause := ""
 	if e.cause != nil {
 		cause = fmt.Sprintf(" | caused by: %v", e.cause)
 	}
 	key := ""
 	if e.key {
 		key = "key for "
 	}
 	return fmt.Sprintf(
 		"invalid %sSchedulePeerFailed.%s: %s%s",
 		key,
 		e.field,
 		e.reason,
 		cause)
 }
 var _ error = SchedulePeerFailedValidationError{}
 var _ interface {
 	Field() string
 	Reason() string
 	Key() bool
 	Cause() error
 	ErrorName() string
 } = SchedulePeerFailedValidationError{}
 // Validate checks the field values on SyncPiecesFailed with the rules defined
 // in the proto definition for this message. If any rules are violated, the
 // first error encountered is returned, or nil if there are no violations.
 func (m *SyncPiecesFailed) Validate() error {
 	return m.validate(false)
 }
 // ValidateAll checks the field values on SyncPiecesFailed with the rules
 // defined in the proto definition for this message. If any rules are
 // violated, the result is a list of violation errors wrapped in
 // SyncPiecesFailedMultiError, or nil if none found.
 func (m *SyncPiecesFailed) ValidateAll() error {
 	return m.validate(true)
 }
 func (m *SyncPiecesFailed) validate(all bool) error {
 	if m == nil {
 		return nil
 	}
 	var errors []error
 	// no validation rules for Temporary
 	if utf8.RuneCountInString(m.GetParentId()) < 1 {
 		err := SyncPiecesFailedValidationError{
 			field:  "ParentId",
 			reason: "value length must be at least 1 runes",
 		}
 		if !all {
 			return err
 		}
 		errors = append(errors, err)
 	}
 	// no validation rules for Description
 	if len(errors) > 0 {
 		return SyncPiecesFailedMultiError(errors)
 	}
 	return nil
 }
 // SyncPiecesFailedMultiError is an error wrapping multiple validation errors
 // returned by SyncPiecesFailed.ValidateAll() if the designated constraints
 // aren't met.
 type SyncPiecesFailedMultiError []error
 // Error returns a concatenation of all the error messages it wraps.
 func (m SyncPiecesFailedMultiError) Error() string {
 	var msgs []string
 	for _, err := range m {
 		msgs = append(msgs, err.Error())
 	}
 	return strings.Join(msgs, "; ")
 }
 // AllErrors returns a list of validation violation errors.
 func (m SyncPiecesFailedMultiError) AllErrors() []error { return m }
 // SyncPiecesFailedValidationError is the validation error returned by
 // SyncPiecesFailed.Validate if the designated constraints aren't met.
 type SyncPiecesFailedValidationError struct {
 	field  string
 	reason string
 	cause  error
 	key    bool
 }
 // Field function returns field value.
 func (e SyncPiecesFailedValidationError) Field() string { return e.field }
 // Reason function returns reason value.
 func (e SyncPiecesFailedValidationError) Reason() string { return e.reason }
 // Cause function returns cause value.
 func (e SyncPiecesFailedValidationError) Cause() error { return e.cause }
 // Key function returns key value.
 func (e SyncPiecesFailedValidationError) Key() bool { return e.key }
 // ErrorName returns error name.
 func (e SyncPiecesFailedValidationError) ErrorName() string { return "SyncPiecesFailedValidationError" }
 // Error satisfies the builtin error interface
 func (e SyncPiecesFailedValidationError) Error() string {
 	cause := ""
 	if e.cause != nil {
 		cause = fmt.Sprintf(" | caused by: %v", e.cause)
 	}
 	key := ""
 	if e.key {
 		key = "key for "
 	}
 	return fmt.Sprintf(
 		"invalid %sSyncPiecesFailed.%s: %s%s",
 		key,
 		e.field,
 		e.reason,
 		cause)
 }
 var _ error = SyncPiecesFailedValidationError{}
 var _ interface {
 	Field() string
 	Reason() string
 	Key() bool
 	Cause() error
 	ErrorName() string
 } = SyncPiecesFailedValidationError{}
 // Validate checks the field values on StatMetadataFailed with the rules
 // defined in the proto definition for this message. If any rules are
 // violated, the first error encountered is returned, or nil if there are no violations.
 func (m *StatMetadataFailed) Validate() error {
 	return m.validate(false)
 }
 // ValidateAll checks the field values on StatMetadataFailed with the rules
 // defined in the proto definition for this message. If any rules are
 // violated, the result is a list of violation errors wrapped in
 // StatMetadataFailedMultiError, or nil if none found.
 func (m *StatMetadataFailed) ValidateAll() error {
 	return m.validate(true)
 }
 func (m *StatMetadataFailed) validate(all bool) error {
 	if m == nil {
 		return nil
 	}
 	var errors []error
 	// no validation rules for Description
 	if len(errors) > 0 {
 		return StatMetadataFailedMultiError(errors)
 	}
 	return nil
 }
 // StatMetadataFailedMultiError is an error wrapping multiple validation errors
 // returned by StatMetadataFailed.ValidateAll() if the designated constraints
 // aren't met.
 type StatMetadataFailedMultiError []error
 // Error returns a concatenation of all the error messages it wraps.
 func (m StatMetadataFailedMultiError) Error() string {
 	var msgs []string
 	for _, err := range m {
 		msgs = append(msgs, err.Error())
 	}
 	return strings.Join(msgs, "; ")
 }
 // AllErrors returns a list of validation violation errors.
 func (m StatMetadataFailedMultiError) AllErrors() []error { return m }
 // StatMetadataFailedValidationError is the validation error returned by
 // StatMetadataFailed.Validate if the designated constraints aren't met.
 type StatMetadataFailedValidationError struct {
 	field  string
 	reason string
 	cause  error
 	key    bool
 }
 // Field function returns field value.
 func (e StatMetadataFailedValidationError) Field() string { return e.field }
 // Reason function returns reason value.
 func (e StatMetadataFailedValidationError) Reason() string { return e.reason }
 // Cause function returns cause value.
 func (e StatMetadataFailedValidationError) Cause() error { return e.cause }
 // Key function returns key value.
 func (e StatMetadataFailedValidationError) Key() bool { return e.key }
 // ErrorName returns error name.
 func (e StatMetadataFailedValidationError) ErrorName() string {
 	return "StatMetadataFailedValidationError"
 }
 // Error satisfies the builtin error interface
 func (e StatMetadataFailedValidationError) Error() string {
 	cause := ""
 	if e.cause != nil {
 		cause = fmt.Sprintf(" | caused by: %v", e.cause)
 	}
 	key := ""
 	if e.key {
 		key = "key for "
 	}
 	return fmt.Sprintf(
 		"invalid %sStatMetadataFailed.%s: %s%s",
 		key,
 		e.field,
 		e.reason,
 		cause)
 }
 var _ error = StatMetadataFailedValidationError{}
 var _ interface {
 	Field() string
 	Reason() string
 	Key() bool
 	Cause() error
 	ErrorName() string
 } = StatMetadataFailedValidationError{}
--- a/pkg/apis/errordetails/v2/errordetails.proto
+++ b/pkg/apis/errordetails/v2/errordetails.proto
@ -1,5 +1,5 @@
 /*
- *     Copyright 2024 The Dragonfly Authors
+ *     Copyright 2022 The Dragonfly Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@ -19,21 +19,66 @@ syntax = "proto3";
 package errordetails.v2;
 import "validate/validate.proto";
 import "pkg/apis/common/v2/common.proto";
-option go_package = "d7y.io/api/v2/pkg/apis/errordetails/v2;errordetails";
+option go_package = "d7y.io/api/pkg/apis/errordetails/v2;errordetails";
-// Backend is error detail for Backend.
+// DownloadPeerBackToSourceFailed is error detail of downloading peer back-to-source.
-message Backend {
+message DownloadPeerBackToSourceFailed {
-  // Backend error message.
+  // The description of the error.
-  string message = 1;
+  string description = 1;
  // Backend HTTP response header.
  map<string, string> header = 2;
  // Backend HTTP status code.
  optional int32 status_code = 3 [(validate.rules).int32 = {gte: 100, lt: 599, ignore_empty: true}];
 }
-// Unknown is error detail for Unknown.
+// DownloadPieceBackToSourceFailed is error detail of downloading piece back-to-source.
-message Unknown {
+message DownloadPieceBackToSourceFailed {
-  // Unknown error message.
+  // Temporary recoverable error of source.
-  optional string message = 1;
+  bool temporary = 1;
  // Source response metadata, eg: HTTP Status Code, HTTP Status, HTTP Header
  common.v2.ExtendAttribute metadata = 2 [(validate.rules).message.required = true];
  // The number of piece.
  uint32 piece_number = 3 [(validate.rules).uint32.gte = 0];
  // The description of the error.
  string description = 4;
 }
 // DownloadPieceFailed is error detail of downloading piece.
 message DownloadPieceFailed {
  // Temporary recoverable error of parent peer.
  bool temporary = 1;
  // Source response metadata, eg: HTTP Status Code, HTTP Status, HTTP Header
  common.v2.ExtendAttribute metadata = 2 [(validate.rules).message.required = true];
  // Piece is information of piece.
  string parent_id = 3 [(validate.rules).string.min_len = 1];
  // The number of piece.
  uint32 piece_number = 4 [(validate.rules).uint32.gte = 0];
  // The description of the error.
  string description = 5;
 }
 // SchedulePeerForbidden is error detail of forbidden.
 message SchedulePeerForbidden {
  // The description of the error.
  string description = 1;
 }
 // SchedulePeerFailed is error detail of scheduling.
 message SchedulePeerFailed {
  // The description of the error.
  string description = 1;
 }
 // SyncPiecesFailed is error detail of syncing pieces.
 message SyncPiecesFailed {
  // Temporary recoverable error of parent peer.
  bool temporary = 1;
 	// Parent peer id.
  string parent_id = 2 [(validate.rules).string.min_len = 1];
  // The description of the error.
  string description = 3;
 }
 // StatMetadataFailed is error detail of stat metadata.
 message StatMetadataFailed {
  // The description of the error.
  string description = 1;
 }
--- a/pkg/apis/manager/v1/manager.pb.go
+++ b/pkg/apis/manager/v1/manager.pb.go
--- a/pkg/apis/manager/v1/manager.pb.validate.go
+++ b/pkg/apis/manager/v1/manager.pb.validate.go
--- a/pkg/apis/manager/v1/manager.proto
+++ b/pkg/apis/manager/v1/manager.proto
@ -21,8 +21,9 @@ package manager;
 import "pkg/apis/common/v1/common.proto";
 import "google/protobuf/empty.proto";
 import "validate/validate.proto";
 import "google/protobuf/timestamp.proto";
-option go_package = "d7y.io/api/v2/pkg/apis/manager/v1;manager";
+option go_package = "d7y.io/api/pkg/apis/manager/v1;manager";
 // Request source type.
 enum SourceType {
@ -34,6 +35,20 @@ enum SourceType {
  SEED_PEER_SOURCE = 2;
 }
 // SecurityGroup represents security group of cluster.
 message SecurityGroup {
  // Group id.
  uint64 id = 1;
  // Group name.
  string name = 2;
  // Group biography.
  string bio = 3;
  // Group domain.
  string domain = 4;
  // Group proxy domain.
  string proxy_domain = 5;
 }
 // SeedPeerCluster represents cluster of seed peer.
 message SeedPeerCluster {
  // Cluster id.
@ -44,6 +59,10 @@ message SeedPeerCluster {
  string bio = 3;
  // Cluster configuration.
  bytes config = 4;
  // Cluster scopes.
  bytes scopes = 5;
  // Security group to which the seed peer cluster belongs.
  SecurityGroup security_group = 6;
 }
 // SeedPeer represents seed peer for network.
@ -51,7 +70,7 @@ message SeedPeer {
  // Seed peer id.
  uint64 id = 1;
  // Seed peer hostname.
-  string hostname = 2;
+  string host_name = 2;
  // Seed peer type.
  string type = 3;
  // Seed peer idc.
@ -81,39 +100,19 @@ message GetSeedPeerRequest {
  // Request source type.
  SourceType source_type = 1 [(validate.rules).enum.defined_only = true];
  // Seed peer hostname.
-  string hostname = 2 [(validate.rules).string.hostname = true];
+  string host_name = 2 [(validate.rules).string.hostname = true];
  // ID of the cluster to which the seed peer belongs.
  uint64 seed_peer_cluster_id = 3 [(validate.rules).uint64 = {gte: 1}];
  // Seed peer ip.
  string ip = 4 [(validate.rules).string = {ip: true, ignore_empty: true}];
 }
 // ListSeedPeersRequest represents request of ListSeedPeers.
 message ListSeedPeersRequest {
  // Request source type.
  SourceType source_type = 1 [(validate.rules).enum.defined_only = true];
  // Source service hostname.
  string hostname = 2 [(validate.rules).string.hostname = true];
  // Source service ip.
  string ip = 3 [(validate.rules).string.ip = true];
  // Dfdaemon version.
  string version = 4 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
  // Dfdaemon commit.
  string commit = 5 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
 }
 // ListSeedPeersResponse represents response of ListSeedPeers.
 message ListSeedPeersResponse {
  // Seed peers to which the source service belongs.
  repeated SeedPeer seed_peers = 1;
 }
 // UpdateSeedPeerRequest represents request of UpdateSeedPeer.
 message UpdateSeedPeerRequest {
  // Request source type.
  SourceType source_type = 1 [(validate.rules).enum.defined_only = true];
  // Seed peer hostname.
-  string hostname = 2 [(validate.rules).string.hostname = true];
+  string host_name = 2 [(validate.rules).string.hostname = true];
  // Seed peer type.
  string type = 3 [(validate.rules).string = {in: ["super", "strong", "weak"]}];
  // Seed peer idc.
@ -146,14 +145,16 @@ message SchedulerCluster {
  bytes client_config = 5;
  // Cluster scopes.
  bytes scopes = 6;
  // Security group to which the scheduler cluster belongs.
  SecurityGroup security_group = 7;
 }
-// Scheduler represents scheduler for network.
+// SeedPeerCluster represents scheduler for network.
 message Scheduler {
  // Scheduler id.
  uint64 id = 1;
  // Scheduler hostname.
-  string hostname = 2;
+  string host_name = 2;
  // Deprecated: Do not use.
  string vips = 3;
  // Scheduler idc.
@ -172,8 +173,6 @@ message Scheduler {
  SchedulerCluster scheduler_cluster = 11;
  // Seed peers to which the scheduler belongs.
  repeated SeedPeer seed_peers = 13;
  // Feature flags of scheduler.
  bytes features = 14;
 }
 // GetSchedulerRequest represents request of GetScheduler.
@ -181,7 +180,7 @@ message GetSchedulerRequest {
  // Request source type.
  SourceType source_type = 1 [(validate.rules).enum.defined_only = true];
  // Scheduler hostname.
-  string hostname = 2 [(validate.rules).string.hostname = true];
+  string host_name = 2 [(validate.rules).string.hostname = true];
  // ID of the cluster to which the scheduler belongs.
  uint64 scheduler_cluster_id = 3 [(validate.rules).uint64 = {gte: 1}];
  // Scheduler ip.
@ -193,7 +192,7 @@ message UpdateSchedulerRequest {
  // Request source type.
  SourceType source_type = 1 [(validate.rules).enum.defined_only = true];
  // Scheduler hostname.
-  string hostname = 2 [(validate.rules).string.hostname = true];
+  string host_name = 2 [(validate.rules).string.hostname = true];
  // ID of the cluster to which the scheduler belongs.
  uint64 scheduler_cluster_id = 3 [(validate.rules).uint64 = {gte: 1}];
  // Deprecated: Do not use.
@ -215,7 +214,7 @@ message ListSchedulersRequest {
  // Request source type.
  SourceType source_type = 1 [(validate.rules).enum.defined_only = true];
  // Source service hostname.
-  string hostname = 2 [(validate.rules).string.hostname = true];
+  string host_name = 2 [(validate.rules).string.hostname = true];
  // Source service ip.
  string ip = 3 [(validate.rules).string.ip = true];
  // Source service host information.
@ -251,8 +250,6 @@ message ObjectStorage {
  // (`http://BUCKET.s3.amazonaws.com/KEY`).
  // Refer to https://github.com/aws/aws-sdk-go/blob/main/aws/config.go#L118.
  bool s3_force_path_style = 6;
  // Scheme is the scheme of the http client.
  string scheme = 7 [(validate.rules).string = {in: ["http", "https"]}];
 }
 // GetObjectStorageRequest represents request of GetObjectStorage.
@ -260,7 +257,7 @@ message GetObjectStorageRequest {
  // Request source type.
  SourceType source_type = 1 [(validate.rules).enum.defined_only = true];
  // Source service hostname.
-  string hostname = 2 [(validate.rules).string.hostname = true];
+  string host_name = 2 [(validate.rules).string.hostname = true];
  // Source service ip.
  string ip = 3 [(validate.rules).string.ip = true];
 }
@ -276,7 +273,7 @@ message ListBucketsRequest {
  // Request source type.
  SourceType source_type = 1 [(validate.rules).enum.defined_only = true];
  // Source service hostname.
-  string hostname = 2 [(validate.rules).string.hostname = true];
+  string host_name = 2 [(validate.rules).string.hostname = true];
  // Source service ip.
  string ip = 3 [(validate.rules).string.ip = true];
 }
@ -287,6 +284,178 @@ message ListBucketsResponse {
  repeated Bucket buckets = 1;
 }
 // Model represents information of model.
 message Model {
  // Model id.
  string model_id = 1 [(validate.rules).string = {min_len: 1, max_len: 1024}];
  // Model name.
  string name = 2 [(validate.rules).string = {min_len: 1, max_len: 1024}];
  // Model version id.
  string version_id = 3 [(validate.rules).string = {min_len: 1, max_len: 1024}];
  // Scheduler id.
  uint64 scheduler_id = 4 [(validate.rules).uint64 = {gte: 1}];
  // Scheduler hostname.
  string host_name = 5 [(validate.rules).string.hostname = true];
  // Scheduler ip.
  string ip = 6 [(validate.rules).string.ip = true];
  // Model create time.
  google.protobuf.Timestamp created_at = 7 [(validate.rules).timestamp.required = true];
  // Model update time.
  google.protobuf.Timestamp updated_at = 8 [(validate.rules).timestamp.required = true];
 }
 // ListModelsRequest represents request of ListModels.
 message ListModelsRequest {
  // Scheduler id.
  uint64 scheduler_id = 1 [(validate.rules).uint64 = {gte: 1}];
 }
 // ListModelsResponse represents response of ListModels.
 message ListModelsResponse {
  // Model informations.
  repeated Model models = 1;
 }
 // GetModelRequest represents request of GetModel.
 message GetModelRequest {
  // Scheduler id.
  uint64 scheduler_id = 1 [(validate.rules).uint64 = {gte: 1}];
  // Model id.
  string model_id = 2 [(validate.rules).string = {min_len: 1, max_len: 1024}];
 }
 // CreateModelRequest represents request of CreateModel.
 message CreateModelRequest {
  // Model id.
  string model_id = 1 [(validate.rules).string = {min_len: 1, max_len: 1024}];
  // Model name.
  string name = 2 [(validate.rules).string = {min_len: 1, max_len: 1024}];
  // Model version id.
  string version_id = 3 [(validate.rules).string = {min_len: 1, max_len: 1024}];
  // Scheduler id.
  uint64 scheduler_id = 4 [(validate.rules).uint64 = {gte: 1}];
  // Scheduler hostname.
  string host_name = 5 [(validate.rules).string.hostname = true];
  // Scheduler ip.
  string ip = 6 [(validate.rules).string.ip = true];
 }
 // UpdateModelRequest represents request of UpdateModel.
 message UpdateModelRequest {
  // Model id.
  string model_id = 1 [(validate.rules).string = {min_len: 1, max_len: 1024}];
  // Model name.
  string name = 2 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
  // Model version id.
  string version_id = 3 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
  // Scheduler id.
  uint64 scheduler_id = 4 [(validate.rules).uint64 = {gte: 1}];
  // Scheduler hostname.
  string host_name = 5 [(validate.rules).string = {hostname: true, ignore_empty: true}];
  // Scheduler ip.
  string ip = 6 [(validate.rules).string = {ip: true, ignore_empty: true}];
 }
 // DeleteModelRequest represents request of DeleteModel.
 message DeleteModelRequest {
  // Scheduler id.
  uint64 scheduler_id = 1 [(validate.rules).uint64 = {gte: 1}];
  // Model id.
  string model_id = 2 [(validate.rules).string = {min_len: 1, max_len: 1024}];
 }
 // ModelVersion represents information of model version.
 message ModelVersion {
  // Model version id.
  string version_id = 1 [(validate.rules).string = {min_len: 1, max_len: 1024}];
  // Model version data.
  bytes data = 2 [(validate.rules).bytes.min_len = 1];
  // Model version mae.
  double mae = 3 [(validate.rules).double.gte = 0];
  // Model version mse.
  double mse = 4 [(validate.rules).double.gte = 0];
  // Model version rmse.
  double rmse = 5 [(validate.rules).double.gte = 0];
  // Model version r^2.
  double r2 = 6;
  // Model create time.
  google.protobuf.Timestamp created_at = 7 [(validate.rules).timestamp.required = true];
  // Model update time.
  google.protobuf.Timestamp updated_at = 8 [(validate.rules).timestamp.required = true];
 }
 // ListModelVersionsRequest represents request of ListModelVersions.
 message ListModelVersionsRequest {
  // Scheduler id.
  uint64 scheduler_id = 1 [(validate.rules).uint64 = {gte: 1}];
  // Model id.
  string model_id = 2 [(validate.rules).string = {min_len: 1, max_len: 1024}];
 }
 // ListModelVersionsResponse represents response of ListModelVersions.
 message ListModelVersionsResponse {
  // Model version informations.
  repeated ModelVersion model_versions = 1;
 }
 // GetModelVersionRequest represents request of GetModelVersion.
 message GetModelVersionRequest {
  // Scheduler id.
  uint64 scheduler_id = 1 [(validate.rules).uint64 = {gte: 1}];
  // Model id.
  string model_id = 2 [(validate.rules).string = {min_len: 1, max_len: 1024}];
  // Model version id.
  string version_id = 3 [(validate.rules).string = {min_len: 1, max_len: 1024}];
 }
 // CreateModelVersionRequest represents request of CreateModelVersion.
 message CreateModelVersionRequest {
  // Scheduler id.
  uint64 scheduler_id = 1 [(validate.rules).uint64 = {gte: 1}];
  // Model id.
  string model_id = 2 [(validate.rules).string = {min_len: 1, max_len: 1024}];
  // Model version data.
  bytes data = 3 [(validate.rules).bytes.min_len = 1];
  // Model version mae.
  double mae = 4 [(validate.rules).double.gte = 0];
  // Model version mse.
  double mse = 5 [(validate.rules).double.gte = 0];
  // Model version rmse.
  double rmse = 6 [(validate.rules).double.gte = 0];
  // Model version r^2.
  double r2 = 7;
 }
 // UpdateModelVersionRequest represents request of UpdateModelVersion.
 message UpdateModelVersionRequest {
  // Model version id.
  string version_id = 1 [(validate.rules).string = {min_len: 1, max_len: 1024}];
  // Scheduler id.
  uint64 scheduler_id = 2 [(validate.rules).uint64 = {gte: 1}];
  // Model id.
  string model_id = 3 [(validate.rules).string = {min_len: 1, max_len: 1024}];
  // Model version data.
  bytes data = 4 [(validate.rules).bytes = {min_len: 1, ignore_empty: true}];
  // Model version mae.
  double mae = 5 [(validate.rules).double = {gte: 0, ignore_empty: true}];
  // Model version mse.
  double mse = 6 [(validate.rules).double = {gte: 0, ignore_empty: true}];
  // Model version rmse.
  double rmse = 7 [(validate.rules).double = {gte: 0, ignore_empty: true}];
  // Model version r^2.
  double r2 = 8 [(validate.rules).double = {ignore_empty: true}];
 }
 // DeleteModelVersionRequest represents request of DeleteModelVersion.
 message DeleteModelVersionRequest {
  // Scheduler id.
  uint64 scheduler_id = 1 [(validate.rules).uint64 = {gte: 1}];
  // Model id.
  string model_id = 2 [(validate.rules).string = {min_len: 1, max_len: 1024}];
  // Model version id.
  string version_id = 3 [(validate.rules).string = {min_len: 1, max_len: 1024}];
 }
 // URLPriority represents config of url priority.
 message URLPriority {
  // URL regex.
@ -322,7 +491,7 @@ message ListApplicationsRequest {
  // Request source type.
  SourceType source_type = 1 [(validate.rules).enum.defined_only = true];
  // Source service hostname.
-  string hostname = 2 [(validate.rules).string.hostname = true];
+  string host_name = 2 [(validate.rules).string.hostname = true];
  // Source service ip.
  string ip = 3 [(validate.rules).string.ip = true];
 }
@ -338,7 +507,7 @@ message KeepAliveRequest {
  // Request source type.
  SourceType source_type = 1 [(validate.rules).enum.defined_only = true];
  // Source service hostname.
-  string hostname = 2 [(validate.rules).string.hostname = true];
+  string host_name = 2 [(validate.rules).string.hostname = true];
  // ID of the cluster to which the source service belongs.
  uint64 cluster_id = 3 [(validate.rules).uint64 = {gte: 1}];
  // Source service ip.
@ -350,9 +519,6 @@ service Manager {
  // Get SeedPeer and SeedPeer cluster configuration.
  rpc GetSeedPeer(GetSeedPeerRequest) returns(SeedPeer);
  // List acitve schedulers configuration.
  rpc ListSeedPeers(ListSeedPeersRequest)returns(ListSeedPeersResponse);
  // Update SeedPeer configuration.
  rpc UpdateSeedPeer(UpdateSeedPeerRequest) returns(SeedPeer);
@ -371,6 +537,36 @@ service Manager {
  // List buckets configuration.
  rpc ListBuckets(ListBucketsRequest)returns(ListBucketsResponse);
  // List models information.
  rpc ListModels(ListModelsRequest)returns(ListModelsResponse);
  // Get model information.
  rpc GetModel(GetModelRequest)returns(Model);
  // Create model information.
  rpc CreateModel(CreateModelRequest)returns(Model);
  // Update model information.
  rpc UpdateModel(UpdateModelRequest)returns(Model);
  // Delete model information.
  rpc DeleteModel(DeleteModelRequest)returns(google.protobuf.Empty);
  // List model versions information.
  rpc ListModelVersions(ListModelVersionsRequest)returns(ListModelVersionsResponse);
  // Get model version information.
  rpc GetModelVersion(GetModelVersionRequest)returns(ModelVersion);
  // Create model version information.
  rpc CreateModelVersion(CreateModelVersionRequest)returns(ModelVersion);
  // Update model version information.
  rpc UpdateModelVersion(UpdateModelVersionRequest)returns(ModelVersion);
  // Delete model version information.
  rpc DeleteModelVersion(DeleteModelVersionRequest)returns(google.protobuf.Empty);
  // List applications configuration.
  rpc ListApplications(ListApplicationsRequest)returns(ListApplicationsResponse);
--- a/pkg/apis/manager/v1/manager_grpc.pb.go
+++ b/pkg/apis/manager/v1/manager_grpc.pb.go
@ -25,8 +25,6 @@ const _ = grpc.SupportPackageIsVersion7
 type ManagerClient interface {
 	// Get SeedPeer and SeedPeer cluster configuration.
 	GetSeedPeer(ctx context.Context, in *GetSeedPeerRequest, opts ...grpc.CallOption) (*SeedPeer, error)
 	// List acitve schedulers configuration.
 	ListSeedPeers(ctx context.Context, in *ListSeedPeersRequest, opts ...grpc.CallOption) (*ListSeedPeersResponse, error)
 	// Update SeedPeer configuration.
 	UpdateSeedPeer(ctx context.Context, in *UpdateSeedPeerRequest, opts ...grpc.CallOption) (*SeedPeer, error)
 	// Get Scheduler and Scheduler cluster configuration.
@ -39,6 +37,26 @@ type ManagerClient interface {
 	GetObjectStorage(ctx context.Context, in *GetObjectStorageRequest, opts ...grpc.CallOption) (*ObjectStorage, error)
 	// List buckets configuration.
 	ListBuckets(ctx context.Context, in *ListBucketsRequest, opts ...grpc.CallOption) (*ListBucketsResponse, error)
 	// List models information.
 	ListModels(ctx context.Context, in *ListModelsRequest, opts ...grpc.CallOption) (*ListModelsResponse, error)
 	// Get model information.
 	GetModel(ctx context.Context, in *GetModelRequest, opts ...grpc.CallOption) (*Model, error)
 	// Create model information.
 	CreateModel(ctx context.Context, in *CreateModelRequest, opts ...grpc.CallOption) (*Model, error)
 	// Update model information.
 	UpdateModel(ctx context.Context, in *UpdateModelRequest, opts ...grpc.CallOption) (*Model, error)
 	// Delete model information.
 	DeleteModel(ctx context.Context, in *DeleteModelRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	// List model versions information.
 	ListModelVersions(ctx context.Context, in *ListModelVersionsRequest, opts ...grpc.CallOption) (*ListModelVersionsResponse, error)
 	// Get model version information.
 	GetModelVersion(ctx context.Context, in *GetModelVersionRequest, opts ...grpc.CallOption) (*ModelVersion, error)
 	// Create model version information.
 	CreateModelVersion(ctx context.Context, in *CreateModelVersionRequest, opts ...grpc.CallOption) (*ModelVersion, error)
 	// Update model version information.
 	UpdateModelVersion(ctx context.Context, in *UpdateModelVersionRequest, opts ...grpc.CallOption) (*ModelVersion, error)
 	// Delete model version information.
 	DeleteModelVersion(ctx context.Context, in *DeleteModelVersionRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	// List applications configuration.
 	ListApplications(ctx context.Context, in *ListApplicationsRequest, opts ...grpc.CallOption) (*ListApplicationsResponse, error)
 	// KeepAlive with manager.
@ -62,15 +80,6 @@ func (c *managerClient) GetSeedPeer(ctx context.Context, in *GetSeedPeerRequest,
 	return out, nil
 }
 func (c *managerClient) ListSeedPeers(ctx context.Context, in *ListSeedPeersRequest, opts ...grpc.CallOption) (*ListSeedPeersResponse, error) {
 	out := new(ListSeedPeersResponse)
 	err := c.cc.Invoke(ctx, "/manager.Manager/ListSeedPeers", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 func (c *managerClient) UpdateSeedPeer(ctx context.Context, in *UpdateSeedPeerRequest, opts ...grpc.CallOption) (*SeedPeer, error) {
 	out := new(SeedPeer)
 	err := c.cc.Invoke(ctx, "/manager.Manager/UpdateSeedPeer", in, out, opts...)
@ -125,6 +134,96 @@ func (c *managerClient) ListBuckets(ctx context.Context, in *ListBucketsRequest,
 	return out, nil
 }
 func (c *managerClient) ListModels(ctx context.Context, in *ListModelsRequest, opts ...grpc.CallOption) (*ListModelsResponse, error) {
 	out := new(ListModelsResponse)
 	err := c.cc.Invoke(ctx, "/manager.Manager/ListModels", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 func (c *managerClient) GetModel(ctx context.Context, in *GetModelRequest, opts ...grpc.CallOption) (*Model, error) {
 	out := new(Model)
 	err := c.cc.Invoke(ctx, "/manager.Manager/GetModel", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 func (c *managerClient) CreateModel(ctx context.Context, in *CreateModelRequest, opts ...grpc.CallOption) (*Model, error) {
 	out := new(Model)
 	err := c.cc.Invoke(ctx, "/manager.Manager/CreateModel", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 func (c *managerClient) UpdateModel(ctx context.Context, in *UpdateModelRequest, opts ...grpc.CallOption) (*Model, error) {
 	out := new(Model)
 	err := c.cc.Invoke(ctx, "/manager.Manager/UpdateModel", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 func (c *managerClient) DeleteModel(ctx context.Context, in *DeleteModelRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	out := new(emptypb.Empty)
 	err := c.cc.Invoke(ctx, "/manager.Manager/DeleteModel", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 func (c *managerClient) ListModelVersions(ctx context.Context, in *ListModelVersionsRequest, opts ...grpc.CallOption) (*ListModelVersionsResponse, error) {
 	out := new(ListModelVersionsResponse)
 	err := c.cc.Invoke(ctx, "/manager.Manager/ListModelVersions", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 func (c *managerClient) GetModelVersion(ctx context.Context, in *GetModelVersionRequest, opts ...grpc.CallOption) (*ModelVersion, error) {
 	out := new(ModelVersion)
 	err := c.cc.Invoke(ctx, "/manager.Manager/GetModelVersion", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 func (c *managerClient) CreateModelVersion(ctx context.Context, in *CreateModelVersionRequest, opts ...grpc.CallOption) (*ModelVersion, error) {
 	out := new(ModelVersion)
 	err := c.cc.Invoke(ctx, "/manager.Manager/CreateModelVersion", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 func (c *managerClient) UpdateModelVersion(ctx context.Context, in *UpdateModelVersionRequest, opts ...grpc.CallOption) (*ModelVersion, error) {
 	out := new(ModelVersion)
 	err := c.cc.Invoke(ctx, "/manager.Manager/UpdateModelVersion", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 func (c *managerClient) DeleteModelVersion(ctx context.Context, in *DeleteModelVersionRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	out := new(emptypb.Empty)
 	err := c.cc.Invoke(ctx, "/manager.Manager/DeleteModelVersion", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 func (c *managerClient) ListApplications(ctx context.Context, in *ListApplicationsRequest, opts ...grpc.CallOption) (*ListApplicationsResponse, error) {
 	out := new(ListApplicationsResponse)
 	err := c.cc.Invoke(ctx, "/manager.Manager/ListApplications", in, out, opts...)
@ -174,8 +273,6 @@ func (x *managerKeepAliveClient) CloseAndRecv() (*emptypb.Empty, error) {
 type ManagerServer interface {
 	// Get SeedPeer and SeedPeer cluster configuration.
 	GetSeedPeer(context.Context, *GetSeedPeerRequest) (*SeedPeer, error)
 	// List acitve schedulers configuration.
 	ListSeedPeers(context.Context, *ListSeedPeersRequest) (*ListSeedPeersResponse, error)
 	// Update SeedPeer configuration.
 	UpdateSeedPeer(context.Context, *UpdateSeedPeerRequest) (*SeedPeer, error)
 	// Get Scheduler and Scheduler cluster configuration.
@ -188,6 +285,26 @@ type ManagerServer interface {
 	GetObjectStorage(context.Context, *GetObjectStorageRequest) (*ObjectStorage, error)
 	// List buckets configuration.
 	ListBuckets(context.Context, *ListBucketsRequest) (*ListBucketsResponse, error)
 	// List models information.
 	ListModels(context.Context, *ListModelsRequest) (*ListModelsResponse, error)
 	// Get model information.
 	GetModel(context.Context, *GetModelRequest) (*Model, error)
 	// Create model information.
 	CreateModel(context.Context, *CreateModelRequest) (*Model, error)
 	// Update model information.
 	UpdateModel(context.Context, *UpdateModelRequest) (*Model, error)
 	// Delete model information.
 	DeleteModel(context.Context, *DeleteModelRequest) (*emptypb.Empty, error)
 	// List model versions information.
 	ListModelVersions(context.Context, *ListModelVersionsRequest) (*ListModelVersionsResponse, error)
 	// Get model version information.
 	GetModelVersion(context.Context, *GetModelVersionRequest) (*ModelVersion, error)
 	// Create model version information.
 	CreateModelVersion(context.Context, *CreateModelVersionRequest) (*ModelVersion, error)
 	// Update model version information.
 	UpdateModelVersion(context.Context, *UpdateModelVersionRequest) (*ModelVersion, error)
 	// Delete model version information.
 	DeleteModelVersion(context.Context, *DeleteModelVersionRequest) (*emptypb.Empty, error)
 	// List applications configuration.
 	ListApplications(context.Context, *ListApplicationsRequest) (*ListApplicationsResponse, error)
 	// KeepAlive with manager.
@ -201,9 +318,6 @@ type UnimplementedManagerServer struct {
 func (UnimplementedManagerServer) GetSeedPeer(context.Context, *GetSeedPeerRequest) (*SeedPeer, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetSeedPeer not implemented")
 }
 func (UnimplementedManagerServer) ListSeedPeers(context.Context, *ListSeedPeersRequest) (*ListSeedPeersResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method ListSeedPeers not implemented")
 }
 func (UnimplementedManagerServer) UpdateSeedPeer(context.Context, *UpdateSeedPeerRequest) (*SeedPeer, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method UpdateSeedPeer not implemented")
 }
@ -222,6 +336,36 @@ func (UnimplementedManagerServer) GetObjectStorage(context.Context, *GetObjectSt
 func (UnimplementedManagerServer) ListBuckets(context.Context, *ListBucketsRequest) (*ListBucketsResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method ListBuckets not implemented")
 }
 func (UnimplementedManagerServer) ListModels(context.Context, *ListModelsRequest) (*ListModelsResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method ListModels not implemented")
 }
 func (UnimplementedManagerServer) GetModel(context.Context, *GetModelRequest) (*Model, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetModel not implemented")
 }
 func (UnimplementedManagerServer) CreateModel(context.Context, *CreateModelRequest) (*Model, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method CreateModel not implemented")
 }
 func (UnimplementedManagerServer) UpdateModel(context.Context, *UpdateModelRequest) (*Model, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method UpdateModel not implemented")
 }
 func (UnimplementedManagerServer) DeleteModel(context.Context, *DeleteModelRequest) (*emptypb.Empty, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method DeleteModel not implemented")
 }
 func (UnimplementedManagerServer) ListModelVersions(context.Context, *ListModelVersionsRequest) (*ListModelVersionsResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method ListModelVersions not implemented")
 }
 func (UnimplementedManagerServer) GetModelVersion(context.Context, *GetModelVersionRequest) (*ModelVersion, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetModelVersion not implemented")
 }
 func (UnimplementedManagerServer) CreateModelVersion(context.Context, *CreateModelVersionRequest) (*ModelVersion, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method CreateModelVersion not implemented")
 }
 func (UnimplementedManagerServer) UpdateModelVersion(context.Context, *UpdateModelVersionRequest) (*ModelVersion, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method UpdateModelVersion not implemented")
 }
 func (UnimplementedManagerServer) DeleteModelVersion(context.Context, *DeleteModelVersionRequest) (*emptypb.Empty, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method DeleteModelVersion not implemented")
 }
 func (UnimplementedManagerServer) ListApplications(context.Context, *ListApplicationsRequest) (*ListApplicationsResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method ListApplications not implemented")
 }
@ -258,24 +402,6 @@ func _Manager_GetSeedPeer_Handler(srv interface{}, ctx context.Context, dec func
 	return interceptor(ctx, in, info, handler)
 }
 func _Manager_ListSeedPeers_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(ListSeedPeersRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(ManagerServer).ListSeedPeers(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/manager.Manager/ListSeedPeers",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(ManagerServer).ListSeedPeers(ctx, req.(*ListSeedPeersRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 func _Manager_UpdateSeedPeer_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(UpdateSeedPeerRequest)
 	if err := dec(in); err != nil {
@ -384,6 +510,186 @@ func _Manager_ListBuckets_Handler(srv interface{}, ctx context.Context, dec func
 	return interceptor(ctx, in, info, handler)
 }
 func _Manager_ListModels_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(ListModelsRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(ManagerServer).ListModels(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/manager.Manager/ListModels",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(ManagerServer).ListModels(ctx, req.(*ListModelsRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 func _Manager_GetModel_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(GetModelRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(ManagerServer).GetModel(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/manager.Manager/GetModel",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(ManagerServer).GetModel(ctx, req.(*GetModelRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 func _Manager_CreateModel_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(CreateModelRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(ManagerServer).CreateModel(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/manager.Manager/CreateModel",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(ManagerServer).CreateModel(ctx, req.(*CreateModelRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 func _Manager_UpdateModel_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(UpdateModelRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(ManagerServer).UpdateModel(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/manager.Manager/UpdateModel",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(ManagerServer).UpdateModel(ctx, req.(*UpdateModelRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 func _Manager_DeleteModel_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(DeleteModelRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(ManagerServer).DeleteModel(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/manager.Manager/DeleteModel",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(ManagerServer).DeleteModel(ctx, req.(*DeleteModelRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 func _Manager_ListModelVersions_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(ListModelVersionsRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(ManagerServer).ListModelVersions(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/manager.Manager/ListModelVersions",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(ManagerServer).ListModelVersions(ctx, req.(*ListModelVersionsRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 func _Manager_GetModelVersion_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(GetModelVersionRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(ManagerServer).GetModelVersion(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/manager.Manager/GetModelVersion",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(ManagerServer).GetModelVersion(ctx, req.(*GetModelVersionRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 func _Manager_CreateModelVersion_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(CreateModelVersionRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(ManagerServer).CreateModelVersion(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/manager.Manager/CreateModelVersion",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(ManagerServer).CreateModelVersion(ctx, req.(*CreateModelVersionRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 func _Manager_UpdateModelVersion_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(UpdateModelVersionRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(ManagerServer).UpdateModelVersion(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/manager.Manager/UpdateModelVersion",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(ManagerServer).UpdateModelVersion(ctx, req.(*UpdateModelVersionRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 func _Manager_DeleteModelVersion_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(DeleteModelVersionRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(ManagerServer).DeleteModelVersion(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/manager.Manager/DeleteModelVersion",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(ManagerServer).DeleteModelVersion(ctx, req.(*DeleteModelVersionRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 func _Manager_ListApplications_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(ListApplicationsRequest)
 	if err := dec(in); err != nil {
@ -439,10 +745,6 @@ var Manager_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "GetSeedPeer",
 			Handler:    _Manager_GetSeedPeer_Handler,
 		},
 		{
 			MethodName: "ListSeedPeers",
 			Handler:    _Manager_ListSeedPeers_Handler,
 		},
 		{
 			MethodName: "UpdateSeedPeer",
 			Handler:    _Manager_UpdateSeedPeer_Handler,
@ -467,6 +769,46 @@ var Manager_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "ListBuckets",
 			Handler:    _Manager_ListBuckets_Handler,
 		},
 		{
 			MethodName: "ListModels",
 			Handler:    _Manager_ListModels_Handler,
 		},
 		{
 			MethodName: "GetModel",
 			Handler:    _Manager_GetModel_Handler,
 		},
 		{
 			MethodName: "CreateModel",
 			Handler:    _Manager_CreateModel_Handler,
 		},
 		{
 			MethodName: "UpdateModel",
 			Handler:    _Manager_UpdateModel_Handler,
 		},
 		{
 			MethodName: "DeleteModel",
 			Handler:    _Manager_DeleteModel_Handler,
 		},
 		{
 			MethodName: "ListModelVersions",
 			Handler:    _Manager_ListModelVersions_Handler,
 		},
 		{
 			MethodName: "GetModelVersion",
 			Handler:    _Manager_GetModelVersion_Handler,
 		},
 		{
 			MethodName: "CreateModelVersion",
 			Handler:    _Manager_CreateModelVersion_Handler,
 		},
 		{
 			MethodName: "UpdateModelVersion",
 			Handler:    _Manager_UpdateModelVersion_Handler,
 		},
 		{
 			MethodName: "DeleteModelVersion",
 			Handler:    _Manager_DeleteModelVersion_Handler,
 		},
 		{
 			MethodName: "ListApplications",
 			Handler:    _Manager_ListApplications_Handler,
--- a/pkg/apis/manager/v1/mocks/manager_mock.go
+++ b/pkg/apis/manager/v1/mocks/manager_mock.go
@ -1,10 +1,5 @@
 // Code generated by MockGen. DO NOT EDIT.
 // Source: ../manager_grpc.pb.go
 //
 // Generated by this command:
 //
 //	mockgen -destination manager_mock.go -source ../manager_grpc.pb.go -package mocks
 //
 // Package mocks is a generated GoMock package.
 package mocks
@ -13,8 +8,8 @@ import (
 	context "context"
 	reflect "reflect"
-	manager "d7y.io/api/v2/pkg/apis/manager/v1"
+	manager "d7y.io/api/pkg/apis/manager/v1"
-	gomock "go.uber.org/mock/gomock"
+	gomock "github.com/golang/mock/gomock"
 	grpc "google.golang.org/grpc"
 	metadata "google.golang.org/grpc/metadata"
 	emptypb "google.golang.org/protobuf/types/known/emptypb"
@ -24,7 +19,6 @@ import (
 type MockManagerClient struct {
 	ctrl     *gomock.Controller
 	recorder *MockManagerClientMockRecorder
 	isgomock struct{}
 }
 // MockManagerClientMockRecorder is the mock recorder for MockManagerClient.
@ -44,10 +38,130 @@ func (m *MockManagerClient) EXPECT() *MockManagerClientMockRecorder {
 	return m.recorder
 }
 // CreateModel mocks base method.
 func (m *MockManagerClient) CreateModel(ctx context.Context, in *manager.CreateModelRequest, opts ...grpc.CallOption) (*manager.Model, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
 	ret := m.ctrl.Call(m, "CreateModel", varargs...)
 	ret0, _ := ret[0].(*manager.Model)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // CreateModel indicates an expected call of CreateModel.
 func (mr *MockManagerClientMockRecorder) CreateModel(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateModel", reflect.TypeOf((*MockManagerClient)(nil).CreateModel), varargs...)
 }
 // CreateModelVersion mocks base method.
 func (m *MockManagerClient) CreateModelVersion(ctx context.Context, in *manager.CreateModelVersionRequest, opts ...grpc.CallOption) (*manager.ModelVersion, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
 	ret := m.ctrl.Call(m, "CreateModelVersion", varargs...)
 	ret0, _ := ret[0].(*manager.ModelVersion)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // CreateModelVersion indicates an expected call of CreateModelVersion.
 func (mr *MockManagerClientMockRecorder) CreateModelVersion(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateModelVersion", reflect.TypeOf((*MockManagerClient)(nil).CreateModelVersion), varargs...)
 }
 // DeleteModel mocks base method.
 func (m *MockManagerClient) DeleteModel(ctx context.Context, in *manager.DeleteModelRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
 	ret := m.ctrl.Call(m, "DeleteModel", varargs...)
 	ret0, _ := ret[0].(*emptypb.Empty)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // DeleteModel indicates an expected call of DeleteModel.
 func (mr *MockManagerClientMockRecorder) DeleteModel(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteModel", reflect.TypeOf((*MockManagerClient)(nil).DeleteModel), varargs...)
 }
 // DeleteModelVersion mocks base method.
 func (m *MockManagerClient) DeleteModelVersion(ctx context.Context, in *manager.DeleteModelVersionRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
 	ret := m.ctrl.Call(m, "DeleteModelVersion", varargs...)
 	ret0, _ := ret[0].(*emptypb.Empty)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // DeleteModelVersion indicates an expected call of DeleteModelVersion.
 func (mr *MockManagerClientMockRecorder) DeleteModelVersion(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteModelVersion", reflect.TypeOf((*MockManagerClient)(nil).DeleteModelVersion), varargs...)
 }
 // GetModel mocks base method.
 func (m *MockManagerClient) GetModel(ctx context.Context, in *manager.GetModelRequest, opts ...grpc.CallOption) (*manager.Model, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
 	ret := m.ctrl.Call(m, "GetModel", varargs...)
 	ret0, _ := ret[0].(*manager.Model)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // GetModel indicates an expected call of GetModel.
 func (mr *MockManagerClientMockRecorder) GetModel(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetModel", reflect.TypeOf((*MockManagerClient)(nil).GetModel), varargs...)
 }
 // GetModelVersion mocks base method.
 func (m *MockManagerClient) GetModelVersion(ctx context.Context, in *manager.GetModelVersionRequest, opts ...grpc.CallOption) (*manager.ModelVersion, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
 	ret := m.ctrl.Call(m, "GetModelVersion", varargs...)
 	ret0, _ := ret[0].(*manager.ModelVersion)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // GetModelVersion indicates an expected call of GetModelVersion.
 func (mr *MockManagerClientMockRecorder) GetModelVersion(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetModelVersion", reflect.TypeOf((*MockManagerClient)(nil).GetModelVersion), varargs...)
 }
 // GetObjectStorage mocks base method.
 func (m *MockManagerClient) GetObjectStorage(ctx context.Context, in *manager.GetObjectStorageRequest, opts ...grpc.CallOption) (*manager.ObjectStorage, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -58,16 +172,16 @@ func (m *MockManagerClient) GetObjectStorage(ctx context.Context, in *manager.Ge
 }
 // GetObjectStorage indicates an expected call of GetObjectStorage.
-func (mr *MockManagerClientMockRecorder) GetObjectStorage(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) GetObjectStorage(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetObjectStorage", reflect.TypeOf((*MockManagerClient)(nil).GetObjectStorage), varargs...)
 }
 // GetScheduler mocks base method.
 func (m *MockManagerClient) GetScheduler(ctx context.Context, in *manager.GetSchedulerRequest, opts ...grpc.CallOption) (*manager.Scheduler, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -78,16 +192,16 @@ func (m *MockManagerClient) GetScheduler(ctx context.Context, in *manager.GetSch
 }
 // GetScheduler indicates an expected call of GetScheduler.
-func (mr *MockManagerClientMockRecorder) GetScheduler(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) GetScheduler(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetScheduler", reflect.TypeOf((*MockManagerClient)(nil).GetScheduler), varargs...)
 }
 // GetSeedPeer mocks base method.
 func (m *MockManagerClient) GetSeedPeer(ctx context.Context, in *manager.GetSeedPeerRequest, opts ...grpc.CallOption) (*manager.SeedPeer, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -98,16 +212,16 @@ func (m *MockManagerClient) GetSeedPeer(ctx context.Context, in *manager.GetSeed
 }
 // GetSeedPeer indicates an expected call of GetSeedPeer.
-func (mr *MockManagerClientMockRecorder) GetSeedPeer(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) GetSeedPeer(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetSeedPeer", reflect.TypeOf((*MockManagerClient)(nil).GetSeedPeer), varargs...)
 }
 // KeepAlive mocks base method.
 func (m *MockManagerClient) KeepAlive(ctx context.Context, opts ...grpc.CallOption) (manager.Manager_KeepAliveClient, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx}
+	varargs := []interface{}{ctx}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -118,16 +232,16 @@ func (m *MockManagerClient) KeepAlive(ctx context.Context, opts ...grpc.CallOpti
 }
 // KeepAlive indicates an expected call of KeepAlive.
-func (mr *MockManagerClientMockRecorder) KeepAlive(ctx any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) KeepAlive(ctx interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx}, opts...)
+	varargs := append([]interface{}{ctx}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "KeepAlive", reflect.TypeOf((*MockManagerClient)(nil).KeepAlive), varargs...)
 }
 // ListApplications mocks base method.
 func (m *MockManagerClient) ListApplications(ctx context.Context, in *manager.ListApplicationsRequest, opts ...grpc.CallOption) (*manager.ListApplicationsResponse, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -138,16 +252,16 @@ func (m *MockManagerClient) ListApplications(ctx context.Context, in *manager.Li
 }
 // ListApplications indicates an expected call of ListApplications.
-func (mr *MockManagerClientMockRecorder) ListApplications(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) ListApplications(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListApplications", reflect.TypeOf((*MockManagerClient)(nil).ListApplications), varargs...)
 }
 // ListBuckets mocks base method.
 func (m *MockManagerClient) ListBuckets(ctx context.Context, in *manager.ListBucketsRequest, opts ...grpc.CallOption) (*manager.ListBucketsResponse, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -158,16 +272,56 @@ func (m *MockManagerClient) ListBuckets(ctx context.Context, in *manager.ListBuc
 }
 // ListBuckets indicates an expected call of ListBuckets.
-func (mr *MockManagerClientMockRecorder) ListBuckets(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) ListBuckets(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListBuckets", reflect.TypeOf((*MockManagerClient)(nil).ListBuckets), varargs...)
 }
 // ListModelVersions mocks base method.
 func (m *MockManagerClient) ListModelVersions(ctx context.Context, in *manager.ListModelVersionsRequest, opts ...grpc.CallOption) (*manager.ListModelVersionsResponse, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
 	ret := m.ctrl.Call(m, "ListModelVersions", varargs...)
 	ret0, _ := ret[0].(*manager.ListModelVersionsResponse)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // ListModelVersions indicates an expected call of ListModelVersions.
 func (mr *MockManagerClientMockRecorder) ListModelVersions(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListModelVersions", reflect.TypeOf((*MockManagerClient)(nil).ListModelVersions), varargs...)
 }
 // ListModels mocks base method.
 func (m *MockManagerClient) ListModels(ctx context.Context, in *manager.ListModelsRequest, opts ...grpc.CallOption) (*manager.ListModelsResponse, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
 	ret := m.ctrl.Call(m, "ListModels", varargs...)
 	ret0, _ := ret[0].(*manager.ListModelsResponse)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // ListModels indicates an expected call of ListModels.
 func (mr *MockManagerClientMockRecorder) ListModels(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListModels", reflect.TypeOf((*MockManagerClient)(nil).ListModels), varargs...)
 }
 // ListSchedulers mocks base method.
 func (m *MockManagerClient) ListSchedulers(ctx context.Context, in *manager.ListSchedulersRequest, opts ...grpc.CallOption) (*manager.ListSchedulersResponse, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -178,36 +332,56 @@ func (m *MockManagerClient) ListSchedulers(ctx context.Context, in *manager.List
 }
 // ListSchedulers indicates an expected call of ListSchedulers.
-func (mr *MockManagerClientMockRecorder) ListSchedulers(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) ListSchedulers(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListSchedulers", reflect.TypeOf((*MockManagerClient)(nil).ListSchedulers), varargs...)
 }
-// ListSeedPeers mocks base method.
+// UpdateModel mocks base method.
-func (m *MockManagerClient) ListSeedPeers(ctx context.Context, in *manager.ListSeedPeersRequest, opts ...grpc.CallOption) (*manager.ListSeedPeersResponse, error) {
+func (m *MockManagerClient) UpdateModel(ctx context.Context, in *manager.UpdateModelRequest, opts ...grpc.CallOption) (*manager.Model, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
-	ret := m.ctrl.Call(m, "ListSeedPeers", varargs...)
+	ret := m.ctrl.Call(m, "UpdateModel", varargs...)
-	ret0, _ := ret[0].(*manager.ListSeedPeersResponse)
+	ret0, _ := ret[0].(*manager.Model)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
-// ListSeedPeers indicates an expected call of ListSeedPeers.
+// UpdateModel indicates an expected call of UpdateModel.
-func (mr *MockManagerClientMockRecorder) ListSeedPeers(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) UpdateModel(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListSeedPeers", reflect.TypeOf((*MockManagerClient)(nil).ListSeedPeers), varargs...)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateModel", reflect.TypeOf((*MockManagerClient)(nil).UpdateModel), varargs...)
 }
 // UpdateModelVersion mocks base method.
 func (m *MockManagerClient) UpdateModelVersion(ctx context.Context, in *manager.UpdateModelVersionRequest, opts ...grpc.CallOption) (*manager.ModelVersion, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
 	ret := m.ctrl.Call(m, "UpdateModelVersion", varargs...)
 	ret0, _ := ret[0].(*manager.ModelVersion)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // UpdateModelVersion indicates an expected call of UpdateModelVersion.
 func (mr *MockManagerClientMockRecorder) UpdateModelVersion(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateModelVersion", reflect.TypeOf((*MockManagerClient)(nil).UpdateModelVersion), varargs...)
 }
 // UpdateScheduler mocks base method.
 func (m *MockManagerClient) UpdateScheduler(ctx context.Context, in *manager.UpdateSchedulerRequest, opts ...grpc.CallOption) (*manager.Scheduler, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -218,16 +392,16 @@ func (m *MockManagerClient) UpdateScheduler(ctx context.Context, in *manager.Upd
 }
 // UpdateScheduler indicates an expected call of UpdateScheduler.
-func (mr *MockManagerClientMockRecorder) UpdateScheduler(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) UpdateScheduler(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateScheduler", reflect.TypeOf((*MockManagerClient)(nil).UpdateScheduler), varargs...)
 }
 // UpdateSeedPeer mocks base method.
 func (m *MockManagerClient) UpdateSeedPeer(ctx context.Context, in *manager.UpdateSeedPeerRequest, opts ...grpc.CallOption) (*manager.SeedPeer, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -238,9 +412,9 @@ func (m *MockManagerClient) UpdateSeedPeer(ctx context.Context, in *manager.Upda
 }
 // UpdateSeedPeer indicates an expected call of UpdateSeedPeer.
-func (mr *MockManagerClientMockRecorder) UpdateSeedPeer(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) UpdateSeedPeer(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateSeedPeer", reflect.TypeOf((*MockManagerClient)(nil).UpdateSeedPeer), varargs...)
 }
@ -248,7 +422,6 @@ func (mr *MockManagerClientMockRecorder) UpdateSeedPeer(ctx, in any, opts ...any
 type MockManager_KeepAliveClient struct {
 	ctrl     *gomock.Controller
 	recorder *MockManager_KeepAliveClientMockRecorder
 	isgomock struct{}
 }
 // MockManager_KeepAliveClientMockRecorder is the mock recorder for MockManager_KeepAliveClient.
@ -327,7 +500,7 @@ func (mr *MockManager_KeepAliveClientMockRecorder) Header() *gomock.Call {
 }
 // RecvMsg mocks base method.
-func (m_2 *MockManager_KeepAliveClient) RecvMsg(m any) error {
+func (m_2 *MockManager_KeepAliveClient) RecvMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "RecvMsg", m)
 	ret0, _ := ret[0].(error)
@ -335,7 +508,7 @@ func (m_2 *MockManager_KeepAliveClient) RecvMsg(m any) error {
 }
 // RecvMsg indicates an expected call of RecvMsg.
-func (mr *MockManager_KeepAliveClientMockRecorder) RecvMsg(m any) *gomock.Call {
+func (mr *MockManager_KeepAliveClientMockRecorder) RecvMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockManager_KeepAliveClient)(nil).RecvMsg), m)
 }
@ -349,13 +522,13 @@ func (m *MockManager_KeepAliveClient) Send(arg0 *manager.KeepAliveRequest) error
 }
 // Send indicates an expected call of Send.
-func (mr *MockManager_KeepAliveClientMockRecorder) Send(arg0 any) *gomock.Call {
+func (mr *MockManager_KeepAliveClientMockRecorder) Send(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockManager_KeepAliveClient)(nil).Send), arg0)
 }
 // SendMsg mocks base method.
-func (m_2 *MockManager_KeepAliveClient) SendMsg(m any) error {
+func (m_2 *MockManager_KeepAliveClient) SendMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "SendMsg", m)
 	ret0, _ := ret[0].(error)
@ -363,7 +536,7 @@ func (m_2 *MockManager_KeepAliveClient) SendMsg(m any) error {
 }
 // SendMsg indicates an expected call of SendMsg.
-func (mr *MockManager_KeepAliveClientMockRecorder) SendMsg(m any) *gomock.Call {
+func (mr *MockManager_KeepAliveClientMockRecorder) SendMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockManager_KeepAliveClient)(nil).SendMsg), m)
 }
@ -386,7 +559,6 @@ func (mr *MockManager_KeepAliveClientMockRecorder) Trailer() *gomock.Call {
 type MockManagerServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockManagerServerMockRecorder
 	isgomock struct{}
 }
 // MockManagerServerMockRecorder is the mock recorder for MockManagerServer.
@ -406,6 +578,96 @@ func (m *MockManagerServer) EXPECT() *MockManagerServerMockRecorder {
 	return m.recorder
 }
 // CreateModel mocks base method.
 func (m *MockManagerServer) CreateModel(arg0 context.Context, arg1 *manager.CreateModelRequest) (*manager.Model, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "CreateModel", arg0, arg1)
 	ret0, _ := ret[0].(*manager.Model)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // CreateModel indicates an expected call of CreateModel.
 func (mr *MockManagerServerMockRecorder) CreateModel(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateModel", reflect.TypeOf((*MockManagerServer)(nil).CreateModel), arg0, arg1)
 }
 // CreateModelVersion mocks base method.
 func (m *MockManagerServer) CreateModelVersion(arg0 context.Context, arg1 *manager.CreateModelVersionRequest) (*manager.ModelVersion, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "CreateModelVersion", arg0, arg1)
 	ret0, _ := ret[0].(*manager.ModelVersion)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // CreateModelVersion indicates an expected call of CreateModelVersion.
 func (mr *MockManagerServerMockRecorder) CreateModelVersion(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateModelVersion", reflect.TypeOf((*MockManagerServer)(nil).CreateModelVersion), arg0, arg1)
 }
 // DeleteModel mocks base method.
 func (m *MockManagerServer) DeleteModel(arg0 context.Context, arg1 *manager.DeleteModelRequest) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "DeleteModel", arg0, arg1)
 	ret0, _ := ret[0].(*emptypb.Empty)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // DeleteModel indicates an expected call of DeleteModel.
 func (mr *MockManagerServerMockRecorder) DeleteModel(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteModel", reflect.TypeOf((*MockManagerServer)(nil).DeleteModel), arg0, arg1)
 }
 // DeleteModelVersion mocks base method.
 func (m *MockManagerServer) DeleteModelVersion(arg0 context.Context, arg1 *manager.DeleteModelVersionRequest) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "DeleteModelVersion", arg0, arg1)
 	ret0, _ := ret[0].(*emptypb.Empty)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // DeleteModelVersion indicates an expected call of DeleteModelVersion.
 func (mr *MockManagerServerMockRecorder) DeleteModelVersion(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteModelVersion", reflect.TypeOf((*MockManagerServer)(nil).DeleteModelVersion), arg0, arg1)
 }
 // GetModel mocks base method.
 func (m *MockManagerServer) GetModel(arg0 context.Context, arg1 *manager.GetModelRequest) (*manager.Model, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "GetModel", arg0, arg1)
 	ret0, _ := ret[0].(*manager.Model)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // GetModel indicates an expected call of GetModel.
 func (mr *MockManagerServerMockRecorder) GetModel(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetModel", reflect.TypeOf((*MockManagerServer)(nil).GetModel), arg0, arg1)
 }
 // GetModelVersion mocks base method.
 func (m *MockManagerServer) GetModelVersion(arg0 context.Context, arg1 *manager.GetModelVersionRequest) (*manager.ModelVersion, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "GetModelVersion", arg0, arg1)
 	ret0, _ := ret[0].(*manager.ModelVersion)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // GetModelVersion indicates an expected call of GetModelVersion.
 func (mr *MockManagerServerMockRecorder) GetModelVersion(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetModelVersion", reflect.TypeOf((*MockManagerServer)(nil).GetModelVersion), arg0, arg1)
 }
 // GetObjectStorage mocks base method.
 func (m *MockManagerServer) GetObjectStorage(arg0 context.Context, arg1 *manager.GetObjectStorageRequest) (*manager.ObjectStorage, error) {
 	m.ctrl.T.Helper()
@ -416,7 +678,7 @@ func (m *MockManagerServer) GetObjectStorage(arg0 context.Context, arg1 *manager
 }
 // GetObjectStorage indicates an expected call of GetObjectStorage.
-func (mr *MockManagerServerMockRecorder) GetObjectStorage(arg0, arg1 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) GetObjectStorage(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetObjectStorage", reflect.TypeOf((*MockManagerServer)(nil).GetObjectStorage), arg0, arg1)
 }
@ -431,7 +693,7 @@ func (m *MockManagerServer) GetScheduler(arg0 context.Context, arg1 *manager.Get
 }
 // GetScheduler indicates an expected call of GetScheduler.
-func (mr *MockManagerServerMockRecorder) GetScheduler(arg0, arg1 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) GetScheduler(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetScheduler", reflect.TypeOf((*MockManagerServer)(nil).GetScheduler), arg0, arg1)
 }
@ -446,7 +708,7 @@ func (m *MockManagerServer) GetSeedPeer(arg0 context.Context, arg1 *manager.GetS
 }
 // GetSeedPeer indicates an expected call of GetSeedPeer.
-func (mr *MockManagerServerMockRecorder) GetSeedPeer(arg0, arg1 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) GetSeedPeer(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetSeedPeer", reflect.TypeOf((*MockManagerServer)(nil).GetSeedPeer), arg0, arg1)
 }
@ -460,7 +722,7 @@ func (m *MockManagerServer) KeepAlive(arg0 manager.Manager_KeepAliveServer) erro
 }
 // KeepAlive indicates an expected call of KeepAlive.
-func (mr *MockManagerServerMockRecorder) KeepAlive(arg0 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) KeepAlive(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "KeepAlive", reflect.TypeOf((*MockManagerServer)(nil).KeepAlive), arg0)
 }
@ -475,7 +737,7 @@ func (m *MockManagerServer) ListApplications(arg0 context.Context, arg1 *manager
 }
 // ListApplications indicates an expected call of ListApplications.
-func (mr *MockManagerServerMockRecorder) ListApplications(arg0, arg1 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) ListApplications(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListApplications", reflect.TypeOf((*MockManagerServer)(nil).ListApplications), arg0, arg1)
 }
@ -490,11 +752,41 @@ func (m *MockManagerServer) ListBuckets(arg0 context.Context, arg1 *manager.List
 }
 // ListBuckets indicates an expected call of ListBuckets.
-func (mr *MockManagerServerMockRecorder) ListBuckets(arg0, arg1 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) ListBuckets(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListBuckets", reflect.TypeOf((*MockManagerServer)(nil).ListBuckets), arg0, arg1)
 }
 // ListModelVersions mocks base method.
 func (m *MockManagerServer) ListModelVersions(arg0 context.Context, arg1 *manager.ListModelVersionsRequest) (*manager.ListModelVersionsResponse, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "ListModelVersions", arg0, arg1)
 	ret0, _ := ret[0].(*manager.ListModelVersionsResponse)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // ListModelVersions indicates an expected call of ListModelVersions.
 func (mr *MockManagerServerMockRecorder) ListModelVersions(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListModelVersions", reflect.TypeOf((*MockManagerServer)(nil).ListModelVersions), arg0, arg1)
 }
 // ListModels mocks base method.
 func (m *MockManagerServer) ListModels(arg0 context.Context, arg1 *manager.ListModelsRequest) (*manager.ListModelsResponse, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "ListModels", arg0, arg1)
 	ret0, _ := ret[0].(*manager.ListModelsResponse)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // ListModels indicates an expected call of ListModels.
 func (mr *MockManagerServerMockRecorder) ListModels(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListModels", reflect.TypeOf((*MockManagerServer)(nil).ListModels), arg0, arg1)
 }
 // ListSchedulers mocks base method.
 func (m *MockManagerServer) ListSchedulers(arg0 context.Context, arg1 *manager.ListSchedulersRequest) (*manager.ListSchedulersResponse, error) {
 	m.ctrl.T.Helper()
@ -505,24 +797,39 @@ func (m *MockManagerServer) ListSchedulers(arg0 context.Context, arg1 *manager.L
 }
 // ListSchedulers indicates an expected call of ListSchedulers.
-func (mr *MockManagerServerMockRecorder) ListSchedulers(arg0, arg1 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) ListSchedulers(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListSchedulers", reflect.TypeOf((*MockManagerServer)(nil).ListSchedulers), arg0, arg1)
 }
-// ListSeedPeers mocks base method.
+// UpdateModel mocks base method.
-func (m *MockManagerServer) ListSeedPeers(arg0 context.Context, arg1 *manager.ListSeedPeersRequest) (*manager.ListSeedPeersResponse, error) {
+func (m *MockManagerServer) UpdateModel(arg0 context.Context, arg1 *manager.UpdateModelRequest) (*manager.Model, error) {
 	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "ListSeedPeers", arg0, arg1)
+	ret := m.ctrl.Call(m, "UpdateModel", arg0, arg1)
-	ret0, _ := ret[0].(*manager.ListSeedPeersResponse)
+	ret0, _ := ret[0].(*manager.Model)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
-// ListSeedPeers indicates an expected call of ListSeedPeers.
+// UpdateModel indicates an expected call of UpdateModel.
-func (mr *MockManagerServerMockRecorder) ListSeedPeers(arg0, arg1 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) UpdateModel(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListSeedPeers", reflect.TypeOf((*MockManagerServer)(nil).ListSeedPeers), arg0, arg1)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateModel", reflect.TypeOf((*MockManagerServer)(nil).UpdateModel), arg0, arg1)
 }
 // UpdateModelVersion mocks base method.
 func (m *MockManagerServer) UpdateModelVersion(arg0 context.Context, arg1 *manager.UpdateModelVersionRequest) (*manager.ModelVersion, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "UpdateModelVersion", arg0, arg1)
 	ret0, _ := ret[0].(*manager.ModelVersion)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // UpdateModelVersion indicates an expected call of UpdateModelVersion.
 func (mr *MockManagerServerMockRecorder) UpdateModelVersion(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateModelVersion", reflect.TypeOf((*MockManagerServer)(nil).UpdateModelVersion), arg0, arg1)
 }
 // UpdateScheduler mocks base method.
@ -535,7 +842,7 @@ func (m *MockManagerServer) UpdateScheduler(arg0 context.Context, arg1 *manager.
 }
 // UpdateScheduler indicates an expected call of UpdateScheduler.
-func (mr *MockManagerServerMockRecorder) UpdateScheduler(arg0, arg1 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) UpdateScheduler(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateScheduler", reflect.TypeOf((*MockManagerServer)(nil).UpdateScheduler), arg0, arg1)
 }
@ -550,7 +857,7 @@ func (m *MockManagerServer) UpdateSeedPeer(arg0 context.Context, arg1 *manager.U
 }
 // UpdateSeedPeer indicates an expected call of UpdateSeedPeer.
-func (mr *MockManagerServerMockRecorder) UpdateSeedPeer(arg0, arg1 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) UpdateSeedPeer(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateSeedPeer", reflect.TypeOf((*MockManagerServer)(nil).UpdateSeedPeer), arg0, arg1)
 }
@ -559,7 +866,6 @@ func (mr *MockManagerServerMockRecorder) UpdateSeedPeer(arg0, arg1 any) *gomock.
 type MockUnsafeManagerServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockUnsafeManagerServerMockRecorder
 	isgomock struct{}
 }
 // MockUnsafeManagerServerMockRecorder is the mock recorder for MockUnsafeManagerServer.
@ -595,7 +901,6 @@ func (mr *MockUnsafeManagerServerMockRecorder) mustEmbedUnimplementedManagerServ
 type MockManager_KeepAliveServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockManager_KeepAliveServerMockRecorder
 	isgomock struct{}
 }
 // MockManager_KeepAliveServerMockRecorder is the mock recorder for MockManager_KeepAliveServer.
@ -645,7 +950,7 @@ func (mr *MockManager_KeepAliveServerMockRecorder) Recv() *gomock.Call {
 }
 // RecvMsg mocks base method.
-func (m_2 *MockManager_KeepAliveServer) RecvMsg(m any) error {
+func (m_2 *MockManager_KeepAliveServer) RecvMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "RecvMsg", m)
 	ret0, _ := ret[0].(error)
@ -653,7 +958,7 @@ func (m_2 *MockManager_KeepAliveServer) RecvMsg(m any) error {
 }
 // RecvMsg indicates an expected call of RecvMsg.
-func (mr *MockManager_KeepAliveServerMockRecorder) RecvMsg(m any) *gomock.Call {
+func (mr *MockManager_KeepAliveServerMockRecorder) RecvMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockManager_KeepAliveServer)(nil).RecvMsg), m)
 }
@ -667,7 +972,7 @@ func (m *MockManager_KeepAliveServer) SendAndClose(arg0 *emptypb.Empty) error {
 }
 // SendAndClose indicates an expected call of SendAndClose.
-func (mr *MockManager_KeepAliveServerMockRecorder) SendAndClose(arg0 any) *gomock.Call {
+func (mr *MockManager_KeepAliveServerMockRecorder) SendAndClose(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendAndClose", reflect.TypeOf((*MockManager_KeepAliveServer)(nil).SendAndClose), arg0)
 }
@ -681,13 +986,13 @@ func (m *MockManager_KeepAliveServer) SendHeader(arg0 metadata.MD) error {
 }
 // SendHeader indicates an expected call of SendHeader.
-func (mr *MockManager_KeepAliveServerMockRecorder) SendHeader(arg0 any) *gomock.Call {
+func (mr *MockManager_KeepAliveServerMockRecorder) SendHeader(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendHeader", reflect.TypeOf((*MockManager_KeepAliveServer)(nil).SendHeader), arg0)
 }
 // SendMsg mocks base method.
-func (m_2 *MockManager_KeepAliveServer) SendMsg(m any) error {
+func (m_2 *MockManager_KeepAliveServer) SendMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "SendMsg", m)
 	ret0, _ := ret[0].(error)
@ -695,7 +1000,7 @@ func (m_2 *MockManager_KeepAliveServer) SendMsg(m any) error {
 }
 // SendMsg indicates an expected call of SendMsg.
-func (mr *MockManager_KeepAliveServerMockRecorder) SendMsg(m any) *gomock.Call {
+func (mr *MockManager_KeepAliveServerMockRecorder) SendMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockManager_KeepAliveServer)(nil).SendMsg), m)
 }
@ -709,7 +1014,7 @@ func (m *MockManager_KeepAliveServer) SetHeader(arg0 metadata.MD) error {
 }
 // SetHeader indicates an expected call of SetHeader.
-func (mr *MockManager_KeepAliveServerMockRecorder) SetHeader(arg0 any) *gomock.Call {
+func (mr *MockManager_KeepAliveServerMockRecorder) SetHeader(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetHeader", reflect.TypeOf((*MockManager_KeepAliveServer)(nil).SetHeader), arg0)
 }
@ -721,7 +1026,7 @@ func (m *MockManager_KeepAliveServer) SetTrailer(arg0 metadata.MD) {
 }
 // SetTrailer indicates an expected call of SetTrailer.
-func (mr *MockManager_KeepAliveServerMockRecorder) SetTrailer(arg0 any) *gomock.Call {
+func (mr *MockManager_KeepAliveServerMockRecorder) SetTrailer(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetTrailer", reflect.TypeOf((*MockManager_KeepAliveServer)(nil).SetTrailer), arg0)
 }
--- a/pkg/apis/manager/v2/manager.pb.go
+++ b/pkg/apis/manager/v2/manager.pb.go
--- a/pkg/apis/manager/v2/manager.pb.validate.go
+++ b/pkg/apis/manager/v2/manager.pb.validate.go
--- a/pkg/apis/manager/v2/manager.proto
+++ b/pkg/apis/manager/v2/manager.proto
@ -21,21 +21,34 @@ package manager.v2;
 import "pkg/apis/common/v2/common.proto";
 import "google/protobuf/empty.proto";
 import "validate/validate.proto";
 import "google/protobuf/timestamp.proto";
-option go_package = "d7y.io/api/v2/pkg/apis/manager/v2;manager";
+option go_package = "d7y.io/api/pkg/apis/manager/v2;manager";
 // Request source type.
 enum SourceType {
  // Scheduler service.
  SCHEDULER_SOURCE = 0;
  // Peer service.
  PEER_SOURCE = 1;
  // SeedPeer service.
  SEED_PEER_SOURCE = 2;
 }
 // SecurityGroup represents security group of cluster.
 message SecurityGroup {
  // Group id.
  uint64 id = 1;
  // Group name.
  string name = 2;
  // Group biography.
  string bio = 3;
  // Group domain.
  string domain = 4;
  // Group proxy domain.
  string proxy_domain = 5;
 }
 // SeedPeerCluster represents cluster of seed peer.
 message SeedPeerCluster {
  // Cluster id.
@ -46,6 +59,10 @@ message SeedPeerCluster {
  string bio = 3;
  // Cluster configuration.
  bytes config = 4;
  // Cluster scopes.
  bytes scopes = 5;
  // Security group to which the seed peer cluster belongs.
  SecurityGroup security_group = 6;
 }
 // SeedPeer represents seed peer for network.
@ -53,13 +70,13 @@ message SeedPeer {
  // Seed peer id.
  uint64 id = 1;
  // Seed peer hostname.
-  string hostname = 2;
+  string host_name = 2;
  // Seed peer type.
  string type = 3;
  // Seed peer idc.
-  optional string idc = 4;
+  string idc = 4;
  // Seed peer location.
-  optional string location = 5;
+  string location = 5;
  // Seed peer ip.
  string ip = 6;
  // Seed peer grpc port.
@ -74,6 +91,8 @@ message SeedPeer {
  SeedPeerCluster seed_peer_cluster = 11;
  // Schedulers included in seed peer.
  repeated Scheduler schedulers = 12;
  // Seed peer object storage port.
  int32 object_storage_port = 13;
 }
 // GetSeedPeerRequest represents request of GetSeedPeer.
@ -81,45 +100,25 @@ message GetSeedPeerRequest {
  // Request source type.
  SourceType source_type = 1 [(validate.rules).enum.defined_only = true];
  // Seed peer hostname.
-  string hostname = 2 [(validate.rules).string.hostname = true];
+  string host_name = 2 [(validate.rules).string.hostname = true];
  // ID of the cluster to which the seed peer belongs.
  uint64 seed_peer_cluster_id = 3 [(validate.rules).uint64 = {gte: 1}];
  // Seed peer ip.
  string ip = 4 [(validate.rules).string = {ip: true, ignore_empty: true}];
 }
 // ListSeedPeersRequest represents request of ListSeedPeers.
 message ListSeedPeersRequest {
  // Request source type.
  SourceType source_type = 1 [(validate.rules).enum.defined_only = true];
  // Source service hostname.
  string hostname = 2 [(validate.rules).string.hostname = true];
  // Source service ip.
  string ip = 3 [(validate.rules).string.ip = true];
  // Dfdaemon version.
  string version = 4 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
  // Dfdaemon commit.
  string commit = 5 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
 }
 // ListSeedPeersResponse represents response of ListSeedPeers.
 message ListSeedPeersResponse {
  // Seed peers to which the source service belongs.
  repeated SeedPeer seed_peers = 1;
 }
 // UpdateSeedPeerRequest represents request of UpdateSeedPeer.
 message UpdateSeedPeerRequest {
  // Request source type.
  SourceType source_type = 1 [(validate.rules).enum.defined_only = true];
  // Seed peer hostname.
-  string hostname = 2 [(validate.rules).string.hostname = true];
+  string host_name = 2 [(validate.rules).string.hostname = true];
  // Seed peer type.
  string type = 3 [(validate.rules).string = {in: ["super", "strong", "weak"]}];
  // Seed peer idc.
-  optional string idc = 4 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
+  string idc = 4 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
  // Seed peer location.
-  optional string location = 5 [(validate.rules).string = {max_len: 1024, ignore_empty: true}];
+  string location = 5 [(validate.rules).string = {max_len: 1024, ignore_empty: true}];
  // Seed peer ip.
  string ip = 6 [(validate.rules).string = {ip: true}];
  // Seed peer port.
@ -128,18 +127,8 @@ message UpdateSeedPeerRequest {
  int32 download_port = 8 [(validate.rules).int32 = {gte: 1024, lt: 65535}];
  // ID of the cluster to which the seed peer belongs.
  uint64 seed_peer_cluster_id = 9 [(validate.rules).uint64 = {gte: 1}];
-}
+  // Seed peer object storage port.
-
+  int32 object_storage_port = 10 [(validate.rules).int32 = {gte: 1024, lt: 65535, ignore_empty: true}];
 // DeleteSeedPeerRequest represents request of DeleteSeedPeer.
 message DeleteSeedPeerRequest {
  // Request source type.
  SourceType source_type = 1 [(validate.rules).enum.defined_only = true];
  // Seed peer hostname.
  string hostname = 2 [(validate.rules).string.hostname = true];
  // ID of the cluster to which the seed peer belongs.
  uint64 seed_peer_cluster_id = 3 [(validate.rules).uint64 = {gte: 1}];
  // Seed peer ip.
  string ip = 4 [(validate.rules).string = {ip: true, ignore_empty: true}];
 }
 // SeedPeerCluster represents cluster of scheduler.
@ -156,6 +145,8 @@ message SchedulerCluster {
  bytes client_config = 5;
  // Cluster scopes.
  bytes scopes = 6;
  // Security group to which the scheduler cluster belongs.
  SecurityGroup security_group = 7;
 }
 // SeedPeerCluster represents scheduler for network.
@ -163,11 +154,11 @@ message Scheduler {
  // Scheduler id.
  uint64 id = 1;
  // Scheduler hostname.
-  string hostname = 2;
+  string host_name = 2;
  // Scheduler idc.
-  optional string idc = 3;
+  string idc = 3;
  // Scheduler location.
-  optional string location = 4;
+  string location = 4;
  // Scheduler ip.
  string ip = 5;
  // Scheduler grpc port.
@ -180,8 +171,6 @@ message Scheduler {
  SchedulerCluster scheduler_cluster = 9;
  // Seed peers to which the scheduler belongs.
  repeated SeedPeer seed_peers = 10;
  // Feature flags of scheduler.
  bytes features = 11;
 }
 // GetSchedulerRequest represents request of GetScheduler.
@ -189,7 +178,7 @@ message GetSchedulerRequest {
  // Request source type.
  SourceType source_type = 1 [(validate.rules).enum.defined_only = true];
  // Scheduler hostname.
-  string hostname = 2 [(validate.rules).string.hostname = true];
+  string host_name = 2 [(validate.rules).string.hostname = true];
  // ID of the cluster to which the scheduler belongs.
  uint64 scheduler_cluster_id = 3 [(validate.rules).uint64 = {gte: 1}];
  // Scheduler ip.
@ -201,21 +190,17 @@ message UpdateSchedulerRequest {
  // Request source type.
  SourceType source_type = 1 [(validate.rules).enum.defined_only = true];
  // Scheduler hostname.
-  string hostname = 2 [(validate.rules).string.hostname = true];
+  string host_name = 2 [(validate.rules).string.hostname = true];
  // ID of the cluster to which the scheduler belongs.
  uint64 scheduler_cluster_id = 3 [(validate.rules).uint64 = {gte: 1}];
  // Scheduler idc.
-  optional string idc = 4 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
+  string idc = 4 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
  // Scheduler location.
-  optional string location = 5 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
+  string location = 5 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
  // Scheduler ip.
  string ip = 6 [(validate.rules).string = {ip: true}];
  // Scheduler port.
  int32 port = 7 [(validate.rules).int32 = {gte: 1024, lt: 65535}];
  // Scheduler features.
  repeated string features = 8;
  // Scheduler configuration.
  bytes config = 9;
 }
 // ListSchedulersRequest represents request of ListSchedulers.
@ -223,19 +208,15 @@ message ListSchedulersRequest {
  // Request source type.
  SourceType source_type = 1 [(validate.rules).enum.defined_only = true];
  // Source service hostname.
-  string hostname = 2 [(validate.rules).string.hostname = true];
+  string host_name = 2 [(validate.rules).string.hostname = true];
  // Source service ip.
  string ip = 3 [(validate.rules).string.ip = true];
-  // Source idc.
+  // Source service host information.
-  optional string idc = 4 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
+  map<string, string> host_info = 4 [(validate.rules).map.ignore_empty = true];
  // Source location.
  optional string location = 5 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
  // Dfdaemon version.
-  string version = 6 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
+  string version = 5 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
  // Dfdaemon commit.
-  string commit = 7 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
+  string commit = 6 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
  // ID of the cluster to which the scheduler belongs.
  uint64 scheduler_cluster_id = 8;
 }
 // ListSchedulersResponse represents response of ListSchedulers.
@ -244,6 +225,231 @@ message ListSchedulersResponse {
  repeated Scheduler schedulers = 1;
 }
 // ObjectStorage represents config of object storage.
 message ObjectStorage {
  // name is object storage name of type, it can be s3, oss or obs.
  string name = 1 [(validate.rules).string = {min_len: 1, max_len: 1024}];
  // Region is storage region.
  string region = 2 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
  // Endpoint is datacenter endpoint.
  string endpoint = 3 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
  // AccessKey is access key ID.
  string access_key = 4 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
  // SecretKey is access key secret.
  string secret_key = 5 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
  // S3ForcePathStyle sets force path style for s3, true by default.
  // Set this to `true` to force the request to use path-style addressing,
  // i.e., `http://s3.amazonaws.com/BUCKET/KEY`. By default, the S3 client
  // will use virtual hosted bucket addressing when possible
  // (`http://BUCKET.s3.amazonaws.com/KEY`).
  // Refer to https://github.com/aws/aws-sdk-go/blob/main/aws/config.go#L118.
  bool s3_force_path_style = 6;
 }
 // GetObjectStorageRequest represents request of GetObjectStorage.
 message GetObjectStorageRequest {
  // Request source type.
  SourceType source_type = 1 [(validate.rules).enum.defined_only = true];
  // Source service hostname.
  string host_name = 2 [(validate.rules).string.hostname = true];
  // Source service ip.
  string ip = 3 [(validate.rules).string.ip = true];
 }
 // Bucket represents config of bucket.
 message Bucket {
  // Bucket name.
  string name = 1 [(validate.rules).string = {min_len: 1, max_len: 1024}];
 }
 // ListSchedulersRequest represents request of ListBuckets.
 message ListBucketsRequest {
  // Request source type.
  SourceType source_type = 1 [(validate.rules).enum.defined_only = true];
  // Source service hostname.
  string host_name = 2 [(validate.rules).string.hostname = true];
  // Source service ip.
  string ip = 3 [(validate.rules).string.ip = true];
 }
 // ListBucketsResponse represents response of ListBuckets.
 message ListBucketsResponse {
  // Bucket configs.
  repeated Bucket buckets = 1;
 }
 // Model represents information of model.
 message Model {
  // Model id.
  string model_id = 1 [(validate.rules).string = {min_len: 1, max_len: 1024}];
  // Model name.
  string name = 2 [(validate.rules).string = {min_len: 1, max_len: 1024}];
  // Model version id.
  string version_id = 3 [(validate.rules).string = {min_len: 1, max_len: 1024}];
  // Scheduler id.
  uint64 scheduler_id = 4 [(validate.rules).uint64 = {gte: 1}];
  // Scheduler hostname.
  string host_name = 5 [(validate.rules).string.hostname = true];
  // Scheduler ip.
  string ip = 6 [(validate.rules).string.ip = true];
  // Model create time.
  google.protobuf.Timestamp created_at = 7 [(validate.rules).timestamp.required = true];
  // Model update time.
  google.protobuf.Timestamp updated_at = 8 [(validate.rules).timestamp.required = true];
 }
 // ListModelsRequest represents request of ListModels.
 message ListModelsRequest {
  // Scheduler id.
  uint64 scheduler_id = 1 [(validate.rules).uint64 = {gte: 1}];
 }
 // ListModelsResponse represents response of ListModels.
 message ListModelsResponse {
  // Model informations.
  repeated Model models = 1;
 }
 // GetModelRequest represents request of GetModel.
 message GetModelRequest {
  // Scheduler id.
  uint64 scheduler_id = 1 [(validate.rules).uint64 = {gte: 1}];
  // Model id.
  string model_id = 2 [(validate.rules).string = {min_len: 1, max_len: 1024}];
 }
 // CreateModelRequest represents request of CreateModel.
 message CreateModelRequest {
  // Model id.
  string model_id = 1 [(validate.rules).string = {min_len: 1, max_len: 1024}];
  // Model name.
  string name = 2 [(validate.rules).string = {min_len: 1, max_len: 1024}];
  // Model version id.
  string version_id = 3 [(validate.rules).string = {min_len: 1, max_len: 1024}];
  // Scheduler id.
  uint64 scheduler_id = 4 [(validate.rules).uint64 = {gte: 1}];
  // Scheduler hostname.
  string host_name = 5 [(validate.rules).string.hostname = true];
  // Scheduler ip.
  string ip = 6 [(validate.rules).string.ip = true];
 }
 // UpdateModelRequest represents request of UpdateModel.
 message UpdateModelRequest {
  // Model id.
  string model_id = 1 [(validate.rules).string = {min_len: 1, max_len: 1024}];
  // Model name.
  string name = 2 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
  // Model version id.
  string version_id = 3 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
  // Scheduler id.
  uint64 scheduler_id = 4 [(validate.rules).uint64 = {gte: 1}];
  // Scheduler hostname.
  string host_name = 5 [(validate.rules).string = {hostname: true, ignore_empty: true}];
  // Scheduler ip.
  string ip = 6 [(validate.rules).string = {ip: true, ignore_empty: true}];
 }
 // DeleteModelRequest represents request of DeleteModel.
 message DeleteModelRequest {
  // Scheduler id.
  uint64 scheduler_id = 1 [(validate.rules).uint64 = {gte: 1}];
  // Model id.
  string model_id = 2 [(validate.rules).string = {min_len: 1, max_len: 1024}];
 }
 // ModelVersion represents information of model version.
 message ModelVersion {
  // Model version id.
  string version_id = 1 [(validate.rules).string = {min_len: 1, max_len: 1024}];
  // Model version data.
  bytes data = 2 [(validate.rules).bytes.min_len = 1];
  // Model version mae.
  double mae = 3 [(validate.rules).double.gte = 0];
  // Model version mse.
  double mse = 4 [(validate.rules).double.gte = 0];
  // Model version rmse.
  double rmse = 5 [(validate.rules).double.gte = 0];
  // Model version r^2.
  double r2 = 6;
  // Model create time.
  google.protobuf.Timestamp created_at = 7 [(validate.rules).timestamp.required = true];
  // Model update time.
  google.protobuf.Timestamp updated_at = 8 [(validate.rules).timestamp.required = true];
 }
 // ListModelVersionsRequest represents request of ListModelVersions.
 message ListModelVersionsRequest {
  // Scheduler id.
  uint64 scheduler_id = 1 [(validate.rules).uint64 = {gte: 1}];
  // Model id.
  string model_id = 2 [(validate.rules).string = {min_len: 1, max_len: 1024}];
 }
 // ListModelVersionsResponse represents response of ListModelVersions.
 message ListModelVersionsResponse {
  // Model version informations.
  repeated ModelVersion model_versions = 1;
 }
 // GetModelVersionRequest represents request of GetModelVersion.
 message GetModelVersionRequest {
  // Scheduler id.
  uint64 scheduler_id = 1 [(validate.rules).uint64 = {gte: 1}];
  // Model id.
  string model_id = 2 [(validate.rules).string = {min_len: 1, max_len: 1024}];
  // Model version id.
  string version_id = 3 [(validate.rules).string = {min_len: 1, max_len: 1024}];
 }
 // CreateModelVersionRequest represents request of CreateModelVersion.
 message CreateModelVersionRequest {
  // Scheduler id.
  uint64 scheduler_id = 1 [(validate.rules).uint64 = {gte: 1}];
  // Model id.
  string model_id = 2 [(validate.rules).string = {min_len: 1, max_len: 1024}];
  // Model version data.
  bytes data = 3 [(validate.rules).bytes.min_len = 1];
  // Model version mae.
  double mae = 4 [(validate.rules).double.gte = 0];
  // Model version mse.
  double mse = 5 [(validate.rules).double.gte = 0];
  // Model version rmse.
  double rmse = 6 [(validate.rules).double.gte = 0];
  // Model version r^2.
  double r2 = 7;
 }
 // UpdateModelVersionRequest represents request of UpdateModelVersion.
 message UpdateModelVersionRequest {
  // Model version id.
  string version_id = 1 [(validate.rules).string = {min_len: 1, max_len: 1024}];
  // Scheduler id.
  uint64 scheduler_id = 2 [(validate.rules).uint64 = {gte: 1}];
  // Model id.
  string model_id = 3 [(validate.rules).string = {min_len: 1, max_len: 1024}];
  // Model version data.
  bytes data = 4 [(validate.rules).bytes = {min_len: 1, ignore_empty: true}];
  // Model version mae.
  double mae = 5 [(validate.rules).double = {gte: 0, ignore_empty: true}];
  // Model version mse.
  double mse = 6 [(validate.rules).double = {gte: 0, ignore_empty: true}];
  // Model version rmse.
  double rmse = 7 [(validate.rules).double = {gte: 0, ignore_empty: true}];
  // Model version r^2.
  double r2 = 8 [(validate.rules).double = {ignore_empty: true}];
 }
 // DeleteModelVersionRequest represents request of DeleteModelVersion.
 message DeleteModelVersionRequest {
  // Scheduler id.
  uint64 scheduler_id = 1 [(validate.rules).uint64 = {gte: 1}];
  // Model id.
  string model_id = 2 [(validate.rules).string = {min_len: 1, max_len: 1024}];
  // Model version id.
  string version_id = 3 [(validate.rules).string = {min_len: 1, max_len: 1024}];
 }
 // URLPriority represents config of url priority.
 message URLPriority {
  // URL regex.
@ -279,7 +485,7 @@ message ListApplicationsRequest {
  // Request source type.
  SourceType source_type = 1 [(validate.rules).enum.defined_only = true];
  // Source service hostname.
-  string hostname = 2 [(validate.rules).string.hostname = true];
+  string host_name = 2 [(validate.rules).string.hostname = true];
  // Source service ip.
  string ip = 3 [(validate.rules).string.ip = true];
 }
@ -295,7 +501,7 @@ message KeepAliveRequest {
  // Request source type.
  SourceType source_type = 1 [(validate.rules).enum.defined_only = true];
  // Source service hostname.
-  string hostname = 2 [(validate.rules).string.hostname = true];
+  string host_name = 2 [(validate.rules).string.hostname = true];
  // ID of the cluster to which the source service belongs.
  uint64 cluster_id = 3 [(validate.rules).uint64 = {gte: 1}];
  // Source service ip.
@ -307,15 +513,9 @@ service Manager {
  // Get SeedPeer and SeedPeer cluster configuration.
  rpc GetSeedPeer(GetSeedPeerRequest) returns(SeedPeer);
  // List acitve schedulers configuration.
  rpc ListSeedPeers(ListSeedPeersRequest)returns(ListSeedPeersResponse);
  // Update SeedPeer configuration.
  rpc UpdateSeedPeer(UpdateSeedPeerRequest) returns(SeedPeer);
  // Delete SeedPeer configuration.
  rpc DeleteSeedPeer(DeleteSeedPeerRequest) returns(google.protobuf.Empty);
  // Get Scheduler and Scheduler cluster configuration.
  rpc GetScheduler(GetSchedulerRequest)returns(Scheduler);
@ -325,6 +525,42 @@ service Manager {
  // List acitve schedulers configuration.
  rpc ListSchedulers(ListSchedulersRequest)returns(ListSchedulersResponse);
  // Get ObjectStorage configuration.
  rpc GetObjectStorage(GetObjectStorageRequest) returns(ObjectStorage);
  // List buckets configuration.
  rpc ListBuckets(ListBucketsRequest)returns(ListBucketsResponse);
  // List models information.
  rpc ListModels(ListModelsRequest)returns(ListModelsResponse);
  // Get model information.
  rpc GetModel(GetModelRequest)returns(Model);
  // Create model information.
  rpc CreateModel(CreateModelRequest)returns(Model);
  // Update model information.
  rpc UpdateModel(UpdateModelRequest)returns(Model);
  // Delete model information.
  rpc DeleteModel(DeleteModelRequest)returns(google.protobuf.Empty);
  // List model versions information.
  rpc ListModelVersions(ListModelVersionsRequest)returns(ListModelVersionsResponse);
  // Get model version information.
  rpc GetModelVersion(GetModelVersionRequest)returns(ModelVersion);
  // Create model version information.
  rpc CreateModelVersion(CreateModelVersionRequest)returns(ModelVersion);
  // Update model version information.
  rpc UpdateModelVersion(UpdateModelVersionRequest)returns(ModelVersion);
  // Delete model version information.
  rpc DeleteModelVersion(DeleteModelVersionRequest)returns(google.protobuf.Empty);
  // List applications configuration.
  rpc ListApplications(ListApplicationsRequest)returns(ListApplicationsResponse);
--- a/pkg/apis/manager/v2/manager_grpc.pb.go
+++ b/pkg/apis/manager/v2/manager_grpc.pb.go
@ -25,18 +25,38 @@ const _ = grpc.SupportPackageIsVersion7
 type ManagerClient interface {
 	// Get SeedPeer and SeedPeer cluster configuration.
 	GetSeedPeer(ctx context.Context, in *GetSeedPeerRequest, opts ...grpc.CallOption) (*SeedPeer, error)
 	// List acitve schedulers configuration.
 	ListSeedPeers(ctx context.Context, in *ListSeedPeersRequest, opts ...grpc.CallOption) (*ListSeedPeersResponse, error)
 	// Update SeedPeer configuration.
 	UpdateSeedPeer(ctx context.Context, in *UpdateSeedPeerRequest, opts ...grpc.CallOption) (*SeedPeer, error)
 	// Delete SeedPeer configuration.
 	DeleteSeedPeer(ctx context.Context, in *DeleteSeedPeerRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	// Get Scheduler and Scheduler cluster configuration.
 	GetScheduler(ctx context.Context, in *GetSchedulerRequest, opts ...grpc.CallOption) (*Scheduler, error)
 	// Update scheduler configuration.
 	UpdateScheduler(ctx context.Context, in *UpdateSchedulerRequest, opts ...grpc.CallOption) (*Scheduler, error)
 	// List acitve schedulers configuration.
 	ListSchedulers(ctx context.Context, in *ListSchedulersRequest, opts ...grpc.CallOption) (*ListSchedulersResponse, error)
 	// Get ObjectStorage configuration.
 	GetObjectStorage(ctx context.Context, in *GetObjectStorageRequest, opts ...grpc.CallOption) (*ObjectStorage, error)
 	// List buckets configuration.
 	ListBuckets(ctx context.Context, in *ListBucketsRequest, opts ...grpc.CallOption) (*ListBucketsResponse, error)
 	// List models information.
 	ListModels(ctx context.Context, in *ListModelsRequest, opts ...grpc.CallOption) (*ListModelsResponse, error)
 	// Get model information.
 	GetModel(ctx context.Context, in *GetModelRequest, opts ...grpc.CallOption) (*Model, error)
 	// Create model information.
 	CreateModel(ctx context.Context, in *CreateModelRequest, opts ...grpc.CallOption) (*Model, error)
 	// Update model information.
 	UpdateModel(ctx context.Context, in *UpdateModelRequest, opts ...grpc.CallOption) (*Model, error)
 	// Delete model information.
 	DeleteModel(ctx context.Context, in *DeleteModelRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	// List model versions information.
 	ListModelVersions(ctx context.Context, in *ListModelVersionsRequest, opts ...grpc.CallOption) (*ListModelVersionsResponse, error)
 	// Get model version information.
 	GetModelVersion(ctx context.Context, in *GetModelVersionRequest, opts ...grpc.CallOption) (*ModelVersion, error)
 	// Create model version information.
 	CreateModelVersion(ctx context.Context, in *CreateModelVersionRequest, opts ...grpc.CallOption) (*ModelVersion, error)
 	// Update model version information.
 	UpdateModelVersion(ctx context.Context, in *UpdateModelVersionRequest, opts ...grpc.CallOption) (*ModelVersion, error)
 	// Delete model version information.
 	DeleteModelVersion(ctx context.Context, in *DeleteModelVersionRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	// List applications configuration.
 	ListApplications(ctx context.Context, in *ListApplicationsRequest, opts ...grpc.CallOption) (*ListApplicationsResponse, error)
 	// KeepAlive with manager.
@ -60,15 +80,6 @@ func (c *managerClient) GetSeedPeer(ctx context.Context, in *GetSeedPeerRequest,
 	return out, nil
 }
 func (c *managerClient) ListSeedPeers(ctx context.Context, in *ListSeedPeersRequest, opts ...grpc.CallOption) (*ListSeedPeersResponse, error) {
 	out := new(ListSeedPeersResponse)
 	err := c.cc.Invoke(ctx, "/manager.v2.Manager/ListSeedPeers", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 func (c *managerClient) UpdateSeedPeer(ctx context.Context, in *UpdateSeedPeerRequest, opts ...grpc.CallOption) (*SeedPeer, error) {
 	out := new(SeedPeer)
 	err := c.cc.Invoke(ctx, "/manager.v2.Manager/UpdateSeedPeer", in, out, opts...)
@ -78,15 +89,6 @@ func (c *managerClient) UpdateSeedPeer(ctx context.Context, in *UpdateSeedPeerRe
 	return out, nil
 }
 func (c *managerClient) DeleteSeedPeer(ctx context.Context, in *DeleteSeedPeerRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	out := new(emptypb.Empty)
 	err := c.cc.Invoke(ctx, "/manager.v2.Manager/DeleteSeedPeer", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 func (c *managerClient) GetScheduler(ctx context.Context, in *GetSchedulerRequest, opts ...grpc.CallOption) (*Scheduler, error) {
 	out := new(Scheduler)
 	err := c.cc.Invoke(ctx, "/manager.v2.Manager/GetScheduler", in, out, opts...)
@ -114,6 +116,114 @@ func (c *managerClient) ListSchedulers(ctx context.Context, in *ListSchedulersRe
 	return out, nil
 }
 func (c *managerClient) GetObjectStorage(ctx context.Context, in *GetObjectStorageRequest, opts ...grpc.CallOption) (*ObjectStorage, error) {
 	out := new(ObjectStorage)
 	err := c.cc.Invoke(ctx, "/manager.v2.Manager/GetObjectStorage", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 func (c *managerClient) ListBuckets(ctx context.Context, in *ListBucketsRequest, opts ...grpc.CallOption) (*ListBucketsResponse, error) {
 	out := new(ListBucketsResponse)
 	err := c.cc.Invoke(ctx, "/manager.v2.Manager/ListBuckets", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 func (c *managerClient) ListModels(ctx context.Context, in *ListModelsRequest, opts ...grpc.CallOption) (*ListModelsResponse, error) {
 	out := new(ListModelsResponse)
 	err := c.cc.Invoke(ctx, "/manager.v2.Manager/ListModels", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 func (c *managerClient) GetModel(ctx context.Context, in *GetModelRequest, opts ...grpc.CallOption) (*Model, error) {
 	out := new(Model)
 	err := c.cc.Invoke(ctx, "/manager.v2.Manager/GetModel", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 func (c *managerClient) CreateModel(ctx context.Context, in *CreateModelRequest, opts ...grpc.CallOption) (*Model, error) {
 	out := new(Model)
 	err := c.cc.Invoke(ctx, "/manager.v2.Manager/CreateModel", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 func (c *managerClient) UpdateModel(ctx context.Context, in *UpdateModelRequest, opts ...grpc.CallOption) (*Model, error) {
 	out := new(Model)
 	err := c.cc.Invoke(ctx, "/manager.v2.Manager/UpdateModel", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 func (c *managerClient) DeleteModel(ctx context.Context, in *DeleteModelRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	out := new(emptypb.Empty)
 	err := c.cc.Invoke(ctx, "/manager.v2.Manager/DeleteModel", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 func (c *managerClient) ListModelVersions(ctx context.Context, in *ListModelVersionsRequest, opts ...grpc.CallOption) (*ListModelVersionsResponse, error) {
 	out := new(ListModelVersionsResponse)
 	err := c.cc.Invoke(ctx, "/manager.v2.Manager/ListModelVersions", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 func (c *managerClient) GetModelVersion(ctx context.Context, in *GetModelVersionRequest, opts ...grpc.CallOption) (*ModelVersion, error) {
 	out := new(ModelVersion)
 	err := c.cc.Invoke(ctx, "/manager.v2.Manager/GetModelVersion", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 func (c *managerClient) CreateModelVersion(ctx context.Context, in *CreateModelVersionRequest, opts ...grpc.CallOption) (*ModelVersion, error) {
 	out := new(ModelVersion)
 	err := c.cc.Invoke(ctx, "/manager.v2.Manager/CreateModelVersion", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 func (c *managerClient) UpdateModelVersion(ctx context.Context, in *UpdateModelVersionRequest, opts ...grpc.CallOption) (*ModelVersion, error) {
 	out := new(ModelVersion)
 	err := c.cc.Invoke(ctx, "/manager.v2.Manager/UpdateModelVersion", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 func (c *managerClient) DeleteModelVersion(ctx context.Context, in *DeleteModelVersionRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	out := new(emptypb.Empty)
 	err := c.cc.Invoke(ctx, "/manager.v2.Manager/DeleteModelVersion", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 func (c *managerClient) ListApplications(ctx context.Context, in *ListApplicationsRequest, opts ...grpc.CallOption) (*ListApplicationsResponse, error) {
 	out := new(ListApplicationsResponse)
 	err := c.cc.Invoke(ctx, "/manager.v2.Manager/ListApplications", in, out, opts...)
@ -163,18 +273,38 @@ func (x *managerKeepAliveClient) CloseAndRecv() (*emptypb.Empty, error) {
 type ManagerServer interface {
 	// Get SeedPeer and SeedPeer cluster configuration.
 	GetSeedPeer(context.Context, *GetSeedPeerRequest) (*SeedPeer, error)
 	// List acitve schedulers configuration.
 	ListSeedPeers(context.Context, *ListSeedPeersRequest) (*ListSeedPeersResponse, error)
 	// Update SeedPeer configuration.
 	UpdateSeedPeer(context.Context, *UpdateSeedPeerRequest) (*SeedPeer, error)
 	// Delete SeedPeer configuration.
 	DeleteSeedPeer(context.Context, *DeleteSeedPeerRequest) (*emptypb.Empty, error)
 	// Get Scheduler and Scheduler cluster configuration.
 	GetScheduler(context.Context, *GetSchedulerRequest) (*Scheduler, error)
 	// Update scheduler configuration.
 	UpdateScheduler(context.Context, *UpdateSchedulerRequest) (*Scheduler, error)
 	// List acitve schedulers configuration.
 	ListSchedulers(context.Context, *ListSchedulersRequest) (*ListSchedulersResponse, error)
 	// Get ObjectStorage configuration.
 	GetObjectStorage(context.Context, *GetObjectStorageRequest) (*ObjectStorage, error)
 	// List buckets configuration.
 	ListBuckets(context.Context, *ListBucketsRequest) (*ListBucketsResponse, error)
 	// List models information.
 	ListModels(context.Context, *ListModelsRequest) (*ListModelsResponse, error)
 	// Get model information.
 	GetModel(context.Context, *GetModelRequest) (*Model, error)
 	// Create model information.
 	CreateModel(context.Context, *CreateModelRequest) (*Model, error)
 	// Update model information.
 	UpdateModel(context.Context, *UpdateModelRequest) (*Model, error)
 	// Delete model information.
 	DeleteModel(context.Context, *DeleteModelRequest) (*emptypb.Empty, error)
 	// List model versions information.
 	ListModelVersions(context.Context, *ListModelVersionsRequest) (*ListModelVersionsResponse, error)
 	// Get model version information.
 	GetModelVersion(context.Context, *GetModelVersionRequest) (*ModelVersion, error)
 	// Create model version information.
 	CreateModelVersion(context.Context, *CreateModelVersionRequest) (*ModelVersion, error)
 	// Update model version information.
 	UpdateModelVersion(context.Context, *UpdateModelVersionRequest) (*ModelVersion, error)
 	// Delete model version information.
 	DeleteModelVersion(context.Context, *DeleteModelVersionRequest) (*emptypb.Empty, error)
 	// List applications configuration.
 	ListApplications(context.Context, *ListApplicationsRequest) (*ListApplicationsResponse, error)
 	// KeepAlive with manager.
@ -188,15 +318,9 @@ type UnimplementedManagerServer struct {
 func (UnimplementedManagerServer) GetSeedPeer(context.Context, *GetSeedPeerRequest) (*SeedPeer, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetSeedPeer not implemented")
 }
 func (UnimplementedManagerServer) ListSeedPeers(context.Context, *ListSeedPeersRequest) (*ListSeedPeersResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method ListSeedPeers not implemented")
 }
 func (UnimplementedManagerServer) UpdateSeedPeer(context.Context, *UpdateSeedPeerRequest) (*SeedPeer, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method UpdateSeedPeer not implemented")
 }
 func (UnimplementedManagerServer) DeleteSeedPeer(context.Context, *DeleteSeedPeerRequest) (*emptypb.Empty, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method DeleteSeedPeer not implemented")
 }
 func (UnimplementedManagerServer) GetScheduler(context.Context, *GetSchedulerRequest) (*Scheduler, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetScheduler not implemented")
 }
@ -206,6 +330,42 @@ func (UnimplementedManagerServer) UpdateScheduler(context.Context, *UpdateSchedu
 func (UnimplementedManagerServer) ListSchedulers(context.Context, *ListSchedulersRequest) (*ListSchedulersResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method ListSchedulers not implemented")
 }
 func (UnimplementedManagerServer) GetObjectStorage(context.Context, *GetObjectStorageRequest) (*ObjectStorage, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetObjectStorage not implemented")
 }
 func (UnimplementedManagerServer) ListBuckets(context.Context, *ListBucketsRequest) (*ListBucketsResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method ListBuckets not implemented")
 }
 func (UnimplementedManagerServer) ListModels(context.Context, *ListModelsRequest) (*ListModelsResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method ListModels not implemented")
 }
 func (UnimplementedManagerServer) GetModel(context.Context, *GetModelRequest) (*Model, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetModel not implemented")
 }
 func (UnimplementedManagerServer) CreateModel(context.Context, *CreateModelRequest) (*Model, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method CreateModel not implemented")
 }
 func (UnimplementedManagerServer) UpdateModel(context.Context, *UpdateModelRequest) (*Model, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method UpdateModel not implemented")
 }
 func (UnimplementedManagerServer) DeleteModel(context.Context, *DeleteModelRequest) (*emptypb.Empty, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method DeleteModel not implemented")
 }
 func (UnimplementedManagerServer) ListModelVersions(context.Context, *ListModelVersionsRequest) (*ListModelVersionsResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method ListModelVersions not implemented")
 }
 func (UnimplementedManagerServer) GetModelVersion(context.Context, *GetModelVersionRequest) (*ModelVersion, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetModelVersion not implemented")
 }
 func (UnimplementedManagerServer) CreateModelVersion(context.Context, *CreateModelVersionRequest) (*ModelVersion, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method CreateModelVersion not implemented")
 }
 func (UnimplementedManagerServer) UpdateModelVersion(context.Context, *UpdateModelVersionRequest) (*ModelVersion, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method UpdateModelVersion not implemented")
 }
 func (UnimplementedManagerServer) DeleteModelVersion(context.Context, *DeleteModelVersionRequest) (*emptypb.Empty, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method DeleteModelVersion not implemented")
 }
 func (UnimplementedManagerServer) ListApplications(context.Context, *ListApplicationsRequest) (*ListApplicationsResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method ListApplications not implemented")
 }
@ -242,24 +402,6 @@ func _Manager_GetSeedPeer_Handler(srv interface{}, ctx context.Context, dec func
 	return interceptor(ctx, in, info, handler)
 }
 func _Manager_ListSeedPeers_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(ListSeedPeersRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(ManagerServer).ListSeedPeers(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/manager.v2.Manager/ListSeedPeers",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(ManagerServer).ListSeedPeers(ctx, req.(*ListSeedPeersRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 func _Manager_UpdateSeedPeer_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(UpdateSeedPeerRequest)
 	if err := dec(in); err != nil {
@ -278,24 +420,6 @@ func _Manager_UpdateSeedPeer_Handler(srv interface{}, ctx context.Context, dec f
 	return interceptor(ctx, in, info, handler)
 }
 func _Manager_DeleteSeedPeer_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(DeleteSeedPeerRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(ManagerServer).DeleteSeedPeer(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/manager.v2.Manager/DeleteSeedPeer",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(ManagerServer).DeleteSeedPeer(ctx, req.(*DeleteSeedPeerRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 func _Manager_GetScheduler_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(GetSchedulerRequest)
 	if err := dec(in); err != nil {
@ -350,6 +474,222 @@ func _Manager_ListSchedulers_Handler(srv interface{}, ctx context.Context, dec f
 	return interceptor(ctx, in, info, handler)
 }
 func _Manager_GetObjectStorage_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(GetObjectStorageRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(ManagerServer).GetObjectStorage(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/manager.v2.Manager/GetObjectStorage",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(ManagerServer).GetObjectStorage(ctx, req.(*GetObjectStorageRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 func _Manager_ListBuckets_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(ListBucketsRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(ManagerServer).ListBuckets(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/manager.v2.Manager/ListBuckets",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(ManagerServer).ListBuckets(ctx, req.(*ListBucketsRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 func _Manager_ListModels_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(ListModelsRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(ManagerServer).ListModels(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/manager.v2.Manager/ListModels",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(ManagerServer).ListModels(ctx, req.(*ListModelsRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 func _Manager_GetModel_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(GetModelRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(ManagerServer).GetModel(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/manager.v2.Manager/GetModel",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(ManagerServer).GetModel(ctx, req.(*GetModelRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 func _Manager_CreateModel_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(CreateModelRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(ManagerServer).CreateModel(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/manager.v2.Manager/CreateModel",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(ManagerServer).CreateModel(ctx, req.(*CreateModelRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 func _Manager_UpdateModel_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(UpdateModelRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(ManagerServer).UpdateModel(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/manager.v2.Manager/UpdateModel",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(ManagerServer).UpdateModel(ctx, req.(*UpdateModelRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 func _Manager_DeleteModel_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(DeleteModelRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(ManagerServer).DeleteModel(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/manager.v2.Manager/DeleteModel",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(ManagerServer).DeleteModel(ctx, req.(*DeleteModelRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 func _Manager_ListModelVersions_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(ListModelVersionsRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(ManagerServer).ListModelVersions(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/manager.v2.Manager/ListModelVersions",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(ManagerServer).ListModelVersions(ctx, req.(*ListModelVersionsRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 func _Manager_GetModelVersion_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(GetModelVersionRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(ManagerServer).GetModelVersion(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/manager.v2.Manager/GetModelVersion",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(ManagerServer).GetModelVersion(ctx, req.(*GetModelVersionRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 func _Manager_CreateModelVersion_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(CreateModelVersionRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(ManagerServer).CreateModelVersion(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/manager.v2.Manager/CreateModelVersion",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(ManagerServer).CreateModelVersion(ctx, req.(*CreateModelVersionRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 func _Manager_UpdateModelVersion_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(UpdateModelVersionRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(ManagerServer).UpdateModelVersion(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/manager.v2.Manager/UpdateModelVersion",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(ManagerServer).UpdateModelVersion(ctx, req.(*UpdateModelVersionRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 func _Manager_DeleteModelVersion_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(DeleteModelVersionRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(ManagerServer).DeleteModelVersion(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/manager.v2.Manager/DeleteModelVersion",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(ManagerServer).DeleteModelVersion(ctx, req.(*DeleteModelVersionRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 func _Manager_ListApplications_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(ListApplicationsRequest)
 	if err := dec(in); err != nil {
@ -405,18 +745,10 @@ var Manager_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "GetSeedPeer",
 			Handler:    _Manager_GetSeedPeer_Handler,
 		},
 		{
 			MethodName: "ListSeedPeers",
 			Handler:    _Manager_ListSeedPeers_Handler,
 		},
 		{
 			MethodName: "UpdateSeedPeer",
 			Handler:    _Manager_UpdateSeedPeer_Handler,
 		},
 		{
 			MethodName: "DeleteSeedPeer",
 			Handler:    _Manager_DeleteSeedPeer_Handler,
 		},
 		{
 			MethodName: "GetScheduler",
 			Handler:    _Manager_GetScheduler_Handler,
@ -429,6 +761,54 @@ var Manager_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "ListSchedulers",
 			Handler:    _Manager_ListSchedulers_Handler,
 		},
 		{
 			MethodName: "GetObjectStorage",
 			Handler:    _Manager_GetObjectStorage_Handler,
 		},
 		{
 			MethodName: "ListBuckets",
 			Handler:    _Manager_ListBuckets_Handler,
 		},
 		{
 			MethodName: "ListModels",
 			Handler:    _Manager_ListModels_Handler,
 		},
 		{
 			MethodName: "GetModel",
 			Handler:    _Manager_GetModel_Handler,
 		},
 		{
 			MethodName: "CreateModel",
 			Handler:    _Manager_CreateModel_Handler,
 		},
 		{
 			MethodName: "UpdateModel",
 			Handler:    _Manager_UpdateModel_Handler,
 		},
 		{
 			MethodName: "DeleteModel",
 			Handler:    _Manager_DeleteModel_Handler,
 		},
 		{
 			MethodName: "ListModelVersions",
 			Handler:    _Manager_ListModelVersions_Handler,
 		},
 		{
 			MethodName: "GetModelVersion",
 			Handler:    _Manager_GetModelVersion_Handler,
 		},
 		{
 			MethodName: "CreateModelVersion",
 			Handler:    _Manager_CreateModelVersion_Handler,
 		},
 		{
 			MethodName: "UpdateModelVersion",
 			Handler:    _Manager_UpdateModelVersion_Handler,
 		},
 		{
 			MethodName: "DeleteModelVersion",
 			Handler:    _Manager_DeleteModelVersion_Handler,
 		},
 		{
 			MethodName: "ListApplications",
 			Handler:    _Manager_ListApplications_Handler,
--- a/pkg/apis/manager/v2/mocks/manager_mock.go
+++ b/pkg/apis/manager/v2/mocks/manager_mock.go
@ -1,10 +1,5 @@
 // Code generated by MockGen. DO NOT EDIT.
 // Source: ../manager_grpc.pb.go
 //
 // Generated by this command:
 //
 //	mockgen -destination manager_mock.go -source ../manager_grpc.pb.go -package mocks
 //
 // Package mocks is a generated GoMock package.
 package mocks
@ -13,8 +8,8 @@ import (
 	context "context"
 	reflect "reflect"
-	manager "d7y.io/api/v2/pkg/apis/manager/v2"
+	manager "d7y.io/api/pkg/apis/manager/v2"
-	gomock "go.uber.org/mock/gomock"
+	gomock "github.com/golang/mock/gomock"
 	grpc "google.golang.org/grpc"
 	metadata "google.golang.org/grpc/metadata"
 	emptypb "google.golang.org/protobuf/types/known/emptypb"
@ -24,7 +19,6 @@ import (
 type MockManagerClient struct {
 	ctrl     *gomock.Controller
 	recorder *MockManagerClientMockRecorder
 	isgomock struct{}
 }
 // MockManagerClientMockRecorder is the mock recorder for MockManagerClient.
@ -44,30 +38,150 @@ func (m *MockManagerClient) EXPECT() *MockManagerClientMockRecorder {
 	return m.recorder
 }
-// DeleteSeedPeer mocks base method.
+// CreateModel mocks base method.
-func (m *MockManagerClient) DeleteSeedPeer(ctx context.Context, in *manager.DeleteSeedPeerRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
+func (m *MockManagerClient) CreateModel(ctx context.Context, in *manager.CreateModelRequest, opts ...grpc.CallOption) (*manager.Model, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
-	ret := m.ctrl.Call(m, "DeleteSeedPeer", varargs...)
+	ret := m.ctrl.Call(m, "CreateModel", varargs...)
 	ret0, _ := ret[0].(*manager.Model)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // CreateModel indicates an expected call of CreateModel.
 func (mr *MockManagerClientMockRecorder) CreateModel(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateModel", reflect.TypeOf((*MockManagerClient)(nil).CreateModel), varargs...)
 }
 // CreateModelVersion mocks base method.
 func (m *MockManagerClient) CreateModelVersion(ctx context.Context, in *manager.CreateModelVersionRequest, opts ...grpc.CallOption) (*manager.ModelVersion, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
 	ret := m.ctrl.Call(m, "CreateModelVersion", varargs...)
 	ret0, _ := ret[0].(*manager.ModelVersion)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // CreateModelVersion indicates an expected call of CreateModelVersion.
 func (mr *MockManagerClientMockRecorder) CreateModelVersion(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateModelVersion", reflect.TypeOf((*MockManagerClient)(nil).CreateModelVersion), varargs...)
 }
 // DeleteModel mocks base method.
 func (m *MockManagerClient) DeleteModel(ctx context.Context, in *manager.DeleteModelRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
 	ret := m.ctrl.Call(m, "DeleteModel", varargs...)
 	ret0, _ := ret[0].(*emptypb.Empty)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
-// DeleteSeedPeer indicates an expected call of DeleteSeedPeer.
+// DeleteModel indicates an expected call of DeleteModel.
-func (mr *MockManagerClientMockRecorder) DeleteSeedPeer(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) DeleteModel(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteSeedPeer", reflect.TypeOf((*MockManagerClient)(nil).DeleteSeedPeer), varargs...)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteModel", reflect.TypeOf((*MockManagerClient)(nil).DeleteModel), varargs...)
 }
 // DeleteModelVersion mocks base method.
 func (m *MockManagerClient) DeleteModelVersion(ctx context.Context, in *manager.DeleteModelVersionRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
 	ret := m.ctrl.Call(m, "DeleteModelVersion", varargs...)
 	ret0, _ := ret[0].(*emptypb.Empty)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // DeleteModelVersion indicates an expected call of DeleteModelVersion.
 func (mr *MockManagerClientMockRecorder) DeleteModelVersion(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteModelVersion", reflect.TypeOf((*MockManagerClient)(nil).DeleteModelVersion), varargs...)
 }
 // GetModel mocks base method.
 func (m *MockManagerClient) GetModel(ctx context.Context, in *manager.GetModelRequest, opts ...grpc.CallOption) (*manager.Model, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
 	ret := m.ctrl.Call(m, "GetModel", varargs...)
 	ret0, _ := ret[0].(*manager.Model)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // GetModel indicates an expected call of GetModel.
 func (mr *MockManagerClientMockRecorder) GetModel(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetModel", reflect.TypeOf((*MockManagerClient)(nil).GetModel), varargs...)
 }
 // GetModelVersion mocks base method.
 func (m *MockManagerClient) GetModelVersion(ctx context.Context, in *manager.GetModelVersionRequest, opts ...grpc.CallOption) (*manager.ModelVersion, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
 	ret := m.ctrl.Call(m, "GetModelVersion", varargs...)
 	ret0, _ := ret[0].(*manager.ModelVersion)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // GetModelVersion indicates an expected call of GetModelVersion.
 func (mr *MockManagerClientMockRecorder) GetModelVersion(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetModelVersion", reflect.TypeOf((*MockManagerClient)(nil).GetModelVersion), varargs...)
 }
 // GetObjectStorage mocks base method.
 func (m *MockManagerClient) GetObjectStorage(ctx context.Context, in *manager.GetObjectStorageRequest, opts ...grpc.CallOption) (*manager.ObjectStorage, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
 	ret := m.ctrl.Call(m, "GetObjectStorage", varargs...)
 	ret0, _ := ret[0].(*manager.ObjectStorage)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // GetObjectStorage indicates an expected call of GetObjectStorage.
 func (mr *MockManagerClientMockRecorder) GetObjectStorage(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetObjectStorage", reflect.TypeOf((*MockManagerClient)(nil).GetObjectStorage), varargs...)
 }
 // GetScheduler mocks base method.
 func (m *MockManagerClient) GetScheduler(ctx context.Context, in *manager.GetSchedulerRequest, opts ...grpc.CallOption) (*manager.Scheduler, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -78,16 +192,16 @@ func (m *MockManagerClient) GetScheduler(ctx context.Context, in *manager.GetSch
 }
 // GetScheduler indicates an expected call of GetScheduler.
-func (mr *MockManagerClientMockRecorder) GetScheduler(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) GetScheduler(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetScheduler", reflect.TypeOf((*MockManagerClient)(nil).GetScheduler), varargs...)
 }
 // GetSeedPeer mocks base method.
 func (m *MockManagerClient) GetSeedPeer(ctx context.Context, in *manager.GetSeedPeerRequest, opts ...grpc.CallOption) (*manager.SeedPeer, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -98,16 +212,16 @@ func (m *MockManagerClient) GetSeedPeer(ctx context.Context, in *manager.GetSeed
 }
 // GetSeedPeer indicates an expected call of GetSeedPeer.
-func (mr *MockManagerClientMockRecorder) GetSeedPeer(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) GetSeedPeer(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetSeedPeer", reflect.TypeOf((*MockManagerClient)(nil).GetSeedPeer), varargs...)
 }
 // KeepAlive mocks base method.
 func (m *MockManagerClient) KeepAlive(ctx context.Context, opts ...grpc.CallOption) (manager.Manager_KeepAliveClient, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx}
+	varargs := []interface{}{ctx}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -118,16 +232,16 @@ func (m *MockManagerClient) KeepAlive(ctx context.Context, opts ...grpc.CallOpti
 }
 // KeepAlive indicates an expected call of KeepAlive.
-func (mr *MockManagerClientMockRecorder) KeepAlive(ctx any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) KeepAlive(ctx interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx}, opts...)
+	varargs := append([]interface{}{ctx}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "KeepAlive", reflect.TypeOf((*MockManagerClient)(nil).KeepAlive), varargs...)
 }
 // ListApplications mocks base method.
 func (m *MockManagerClient) ListApplications(ctx context.Context, in *manager.ListApplicationsRequest, opts ...grpc.CallOption) (*manager.ListApplicationsResponse, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -138,16 +252,76 @@ func (m *MockManagerClient) ListApplications(ctx context.Context, in *manager.Li
 }
 // ListApplications indicates an expected call of ListApplications.
-func (mr *MockManagerClientMockRecorder) ListApplications(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) ListApplications(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListApplications", reflect.TypeOf((*MockManagerClient)(nil).ListApplications), varargs...)
 }
 // ListBuckets mocks base method.
 func (m *MockManagerClient) ListBuckets(ctx context.Context, in *manager.ListBucketsRequest, opts ...grpc.CallOption) (*manager.ListBucketsResponse, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
 	ret := m.ctrl.Call(m, "ListBuckets", varargs...)
 	ret0, _ := ret[0].(*manager.ListBucketsResponse)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // ListBuckets indicates an expected call of ListBuckets.
 func (mr *MockManagerClientMockRecorder) ListBuckets(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListBuckets", reflect.TypeOf((*MockManagerClient)(nil).ListBuckets), varargs...)
 }
 // ListModelVersions mocks base method.
 func (m *MockManagerClient) ListModelVersions(ctx context.Context, in *manager.ListModelVersionsRequest, opts ...grpc.CallOption) (*manager.ListModelVersionsResponse, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
 	ret := m.ctrl.Call(m, "ListModelVersions", varargs...)
 	ret0, _ := ret[0].(*manager.ListModelVersionsResponse)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // ListModelVersions indicates an expected call of ListModelVersions.
 func (mr *MockManagerClientMockRecorder) ListModelVersions(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListModelVersions", reflect.TypeOf((*MockManagerClient)(nil).ListModelVersions), varargs...)
 }
 // ListModels mocks base method.
 func (m *MockManagerClient) ListModels(ctx context.Context, in *manager.ListModelsRequest, opts ...grpc.CallOption) (*manager.ListModelsResponse, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
 	ret := m.ctrl.Call(m, "ListModels", varargs...)
 	ret0, _ := ret[0].(*manager.ListModelsResponse)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // ListModels indicates an expected call of ListModels.
 func (mr *MockManagerClientMockRecorder) ListModels(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListModels", reflect.TypeOf((*MockManagerClient)(nil).ListModels), varargs...)
 }
 // ListSchedulers mocks base method.
 func (m *MockManagerClient) ListSchedulers(ctx context.Context, in *manager.ListSchedulersRequest, opts ...grpc.CallOption) (*manager.ListSchedulersResponse, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -158,36 +332,56 @@ func (m *MockManagerClient) ListSchedulers(ctx context.Context, in *manager.List
 }
 // ListSchedulers indicates an expected call of ListSchedulers.
-func (mr *MockManagerClientMockRecorder) ListSchedulers(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) ListSchedulers(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListSchedulers", reflect.TypeOf((*MockManagerClient)(nil).ListSchedulers), varargs...)
 }
-// ListSeedPeers mocks base method.
+// UpdateModel mocks base method.
-func (m *MockManagerClient) ListSeedPeers(ctx context.Context, in *manager.ListSeedPeersRequest, opts ...grpc.CallOption) (*manager.ListSeedPeersResponse, error) {
+func (m *MockManagerClient) UpdateModel(ctx context.Context, in *manager.UpdateModelRequest, opts ...grpc.CallOption) (*manager.Model, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
-	ret := m.ctrl.Call(m, "ListSeedPeers", varargs...)
+	ret := m.ctrl.Call(m, "UpdateModel", varargs...)
-	ret0, _ := ret[0].(*manager.ListSeedPeersResponse)
+	ret0, _ := ret[0].(*manager.Model)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
-// ListSeedPeers indicates an expected call of ListSeedPeers.
+// UpdateModel indicates an expected call of UpdateModel.
-func (mr *MockManagerClientMockRecorder) ListSeedPeers(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) UpdateModel(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListSeedPeers", reflect.TypeOf((*MockManagerClient)(nil).ListSeedPeers), varargs...)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateModel", reflect.TypeOf((*MockManagerClient)(nil).UpdateModel), varargs...)
 }
 // UpdateModelVersion mocks base method.
 func (m *MockManagerClient) UpdateModelVersion(ctx context.Context, in *manager.UpdateModelVersionRequest, opts ...grpc.CallOption) (*manager.ModelVersion, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
 	ret := m.ctrl.Call(m, "UpdateModelVersion", varargs...)
 	ret0, _ := ret[0].(*manager.ModelVersion)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // UpdateModelVersion indicates an expected call of UpdateModelVersion.
 func (mr *MockManagerClientMockRecorder) UpdateModelVersion(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateModelVersion", reflect.TypeOf((*MockManagerClient)(nil).UpdateModelVersion), varargs...)
 }
 // UpdateScheduler mocks base method.
 func (m *MockManagerClient) UpdateScheduler(ctx context.Context, in *manager.UpdateSchedulerRequest, opts ...grpc.CallOption) (*manager.Scheduler, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -198,16 +392,16 @@ func (m *MockManagerClient) UpdateScheduler(ctx context.Context, in *manager.Upd
 }
 // UpdateScheduler indicates an expected call of UpdateScheduler.
-func (mr *MockManagerClientMockRecorder) UpdateScheduler(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) UpdateScheduler(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateScheduler", reflect.TypeOf((*MockManagerClient)(nil).UpdateScheduler), varargs...)
 }
 // UpdateSeedPeer mocks base method.
 func (m *MockManagerClient) UpdateSeedPeer(ctx context.Context, in *manager.UpdateSeedPeerRequest, opts ...grpc.CallOption) (*manager.SeedPeer, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -218,9 +412,9 @@ func (m *MockManagerClient) UpdateSeedPeer(ctx context.Context, in *manager.Upda
 }
 // UpdateSeedPeer indicates an expected call of UpdateSeedPeer.
-func (mr *MockManagerClientMockRecorder) UpdateSeedPeer(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) UpdateSeedPeer(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateSeedPeer", reflect.TypeOf((*MockManagerClient)(nil).UpdateSeedPeer), varargs...)
 }
@ -228,7 +422,6 @@ func (mr *MockManagerClientMockRecorder) UpdateSeedPeer(ctx, in any, opts ...any
 type MockManager_KeepAliveClient struct {
 	ctrl     *gomock.Controller
 	recorder *MockManager_KeepAliveClientMockRecorder
 	isgomock struct{}
 }
 // MockManager_KeepAliveClientMockRecorder is the mock recorder for MockManager_KeepAliveClient.
@ -307,7 +500,7 @@ func (mr *MockManager_KeepAliveClientMockRecorder) Header() *gomock.Call {
 }
 // RecvMsg mocks base method.
-func (m_2 *MockManager_KeepAliveClient) RecvMsg(m any) error {
+func (m_2 *MockManager_KeepAliveClient) RecvMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "RecvMsg", m)
 	ret0, _ := ret[0].(error)
@ -315,7 +508,7 @@ func (m_2 *MockManager_KeepAliveClient) RecvMsg(m any) error {
 }
 // RecvMsg indicates an expected call of RecvMsg.
-func (mr *MockManager_KeepAliveClientMockRecorder) RecvMsg(m any) *gomock.Call {
+func (mr *MockManager_KeepAliveClientMockRecorder) RecvMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockManager_KeepAliveClient)(nil).RecvMsg), m)
 }
@ -329,13 +522,13 @@ func (m *MockManager_KeepAliveClient) Send(arg0 *manager.KeepAliveRequest) error
 }
 // Send indicates an expected call of Send.
-func (mr *MockManager_KeepAliveClientMockRecorder) Send(arg0 any) *gomock.Call {
+func (mr *MockManager_KeepAliveClientMockRecorder) Send(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockManager_KeepAliveClient)(nil).Send), arg0)
 }
 // SendMsg mocks base method.
-func (m_2 *MockManager_KeepAliveClient) SendMsg(m any) error {
+func (m_2 *MockManager_KeepAliveClient) SendMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "SendMsg", m)
 	ret0, _ := ret[0].(error)
@ -343,7 +536,7 @@ func (m_2 *MockManager_KeepAliveClient) SendMsg(m any) error {
 }
 // SendMsg indicates an expected call of SendMsg.
-func (mr *MockManager_KeepAliveClientMockRecorder) SendMsg(m any) *gomock.Call {
+func (mr *MockManager_KeepAliveClientMockRecorder) SendMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockManager_KeepAliveClient)(nil).SendMsg), m)
 }
@ -366,7 +559,6 @@ func (mr *MockManager_KeepAliveClientMockRecorder) Trailer() *gomock.Call {
 type MockManagerServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockManagerServerMockRecorder
 	isgomock struct{}
 }
 // MockManagerServerMockRecorder is the mock recorder for MockManagerServer.
@ -386,19 +578,109 @@ func (m *MockManagerServer) EXPECT() *MockManagerServerMockRecorder {
 	return m.recorder
 }
-// DeleteSeedPeer mocks base method.
+// CreateModel mocks base method.
-func (m *MockManagerServer) DeleteSeedPeer(arg0 context.Context, arg1 *manager.DeleteSeedPeerRequest) (*emptypb.Empty, error) {
+func (m *MockManagerServer) CreateModel(arg0 context.Context, arg1 *manager.CreateModelRequest) (*manager.Model, error) {
 	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "DeleteSeedPeer", arg0, arg1)
+	ret := m.ctrl.Call(m, "CreateModel", arg0, arg1)
 	ret0, _ := ret[0].(*manager.Model)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // CreateModel indicates an expected call of CreateModel.
 func (mr *MockManagerServerMockRecorder) CreateModel(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateModel", reflect.TypeOf((*MockManagerServer)(nil).CreateModel), arg0, arg1)
 }
 // CreateModelVersion mocks base method.
 func (m *MockManagerServer) CreateModelVersion(arg0 context.Context, arg1 *manager.CreateModelVersionRequest) (*manager.ModelVersion, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "CreateModelVersion", arg0, arg1)
 	ret0, _ := ret[0].(*manager.ModelVersion)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // CreateModelVersion indicates an expected call of CreateModelVersion.
 func (mr *MockManagerServerMockRecorder) CreateModelVersion(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateModelVersion", reflect.TypeOf((*MockManagerServer)(nil).CreateModelVersion), arg0, arg1)
 }
 // DeleteModel mocks base method.
 func (m *MockManagerServer) DeleteModel(arg0 context.Context, arg1 *manager.DeleteModelRequest) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "DeleteModel", arg0, arg1)
 	ret0, _ := ret[0].(*emptypb.Empty)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
-// DeleteSeedPeer indicates an expected call of DeleteSeedPeer.
+// DeleteModel indicates an expected call of DeleteModel.
-func (mr *MockManagerServerMockRecorder) DeleteSeedPeer(arg0, arg1 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) DeleteModel(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteSeedPeer", reflect.TypeOf((*MockManagerServer)(nil).DeleteSeedPeer), arg0, arg1)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteModel", reflect.TypeOf((*MockManagerServer)(nil).DeleteModel), arg0, arg1)
 }
 // DeleteModelVersion mocks base method.
 func (m *MockManagerServer) DeleteModelVersion(arg0 context.Context, arg1 *manager.DeleteModelVersionRequest) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "DeleteModelVersion", arg0, arg1)
 	ret0, _ := ret[0].(*emptypb.Empty)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // DeleteModelVersion indicates an expected call of DeleteModelVersion.
 func (mr *MockManagerServerMockRecorder) DeleteModelVersion(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteModelVersion", reflect.TypeOf((*MockManagerServer)(nil).DeleteModelVersion), arg0, arg1)
 }
 // GetModel mocks base method.
 func (m *MockManagerServer) GetModel(arg0 context.Context, arg1 *manager.GetModelRequest) (*manager.Model, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "GetModel", arg0, arg1)
 	ret0, _ := ret[0].(*manager.Model)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // GetModel indicates an expected call of GetModel.
 func (mr *MockManagerServerMockRecorder) GetModel(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetModel", reflect.TypeOf((*MockManagerServer)(nil).GetModel), arg0, arg1)
 }
 // GetModelVersion mocks base method.
 func (m *MockManagerServer) GetModelVersion(arg0 context.Context, arg1 *manager.GetModelVersionRequest) (*manager.ModelVersion, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "GetModelVersion", arg0, arg1)
 	ret0, _ := ret[0].(*manager.ModelVersion)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // GetModelVersion indicates an expected call of GetModelVersion.
 func (mr *MockManagerServerMockRecorder) GetModelVersion(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetModelVersion", reflect.TypeOf((*MockManagerServer)(nil).GetModelVersion), arg0, arg1)
 }
 // GetObjectStorage mocks base method.
 func (m *MockManagerServer) GetObjectStorage(arg0 context.Context, arg1 *manager.GetObjectStorageRequest) (*manager.ObjectStorage, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "GetObjectStorage", arg0, arg1)
 	ret0, _ := ret[0].(*manager.ObjectStorage)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // GetObjectStorage indicates an expected call of GetObjectStorage.
 func (mr *MockManagerServerMockRecorder) GetObjectStorage(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetObjectStorage", reflect.TypeOf((*MockManagerServer)(nil).GetObjectStorage), arg0, arg1)
 }
 // GetScheduler mocks base method.
@ -411,7 +693,7 @@ func (m *MockManagerServer) GetScheduler(arg0 context.Context, arg1 *manager.Get
 }
 // GetScheduler indicates an expected call of GetScheduler.
-func (mr *MockManagerServerMockRecorder) GetScheduler(arg0, arg1 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) GetScheduler(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetScheduler", reflect.TypeOf((*MockManagerServer)(nil).GetScheduler), arg0, arg1)
 }
@ -426,7 +708,7 @@ func (m *MockManagerServer) GetSeedPeer(arg0 context.Context, arg1 *manager.GetS
 }
 // GetSeedPeer indicates an expected call of GetSeedPeer.
-func (mr *MockManagerServerMockRecorder) GetSeedPeer(arg0, arg1 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) GetSeedPeer(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetSeedPeer", reflect.TypeOf((*MockManagerServer)(nil).GetSeedPeer), arg0, arg1)
 }
@ -440,7 +722,7 @@ func (m *MockManagerServer) KeepAlive(arg0 manager.Manager_KeepAliveServer) erro
 }
 // KeepAlive indicates an expected call of KeepAlive.
-func (mr *MockManagerServerMockRecorder) KeepAlive(arg0 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) KeepAlive(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "KeepAlive", reflect.TypeOf((*MockManagerServer)(nil).KeepAlive), arg0)
 }
@ -455,11 +737,56 @@ func (m *MockManagerServer) ListApplications(arg0 context.Context, arg1 *manager
 }
 // ListApplications indicates an expected call of ListApplications.
-func (mr *MockManagerServerMockRecorder) ListApplications(arg0, arg1 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) ListApplications(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListApplications", reflect.TypeOf((*MockManagerServer)(nil).ListApplications), arg0, arg1)
 }
 // ListBuckets mocks base method.
 func (m *MockManagerServer) ListBuckets(arg0 context.Context, arg1 *manager.ListBucketsRequest) (*manager.ListBucketsResponse, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "ListBuckets", arg0, arg1)
 	ret0, _ := ret[0].(*manager.ListBucketsResponse)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // ListBuckets indicates an expected call of ListBuckets.
 func (mr *MockManagerServerMockRecorder) ListBuckets(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListBuckets", reflect.TypeOf((*MockManagerServer)(nil).ListBuckets), arg0, arg1)
 }
 // ListModelVersions mocks base method.
 func (m *MockManagerServer) ListModelVersions(arg0 context.Context, arg1 *manager.ListModelVersionsRequest) (*manager.ListModelVersionsResponse, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "ListModelVersions", arg0, arg1)
 	ret0, _ := ret[0].(*manager.ListModelVersionsResponse)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // ListModelVersions indicates an expected call of ListModelVersions.
 func (mr *MockManagerServerMockRecorder) ListModelVersions(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListModelVersions", reflect.TypeOf((*MockManagerServer)(nil).ListModelVersions), arg0, arg1)
 }
 // ListModels mocks base method.
 func (m *MockManagerServer) ListModels(arg0 context.Context, arg1 *manager.ListModelsRequest) (*manager.ListModelsResponse, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "ListModels", arg0, arg1)
 	ret0, _ := ret[0].(*manager.ListModelsResponse)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // ListModels indicates an expected call of ListModels.
 func (mr *MockManagerServerMockRecorder) ListModels(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListModels", reflect.TypeOf((*MockManagerServer)(nil).ListModels), arg0, arg1)
 }
 // ListSchedulers mocks base method.
 func (m *MockManagerServer) ListSchedulers(arg0 context.Context, arg1 *manager.ListSchedulersRequest) (*manager.ListSchedulersResponse, error) {
 	m.ctrl.T.Helper()
@ -470,24 +797,39 @@ func (m *MockManagerServer) ListSchedulers(arg0 context.Context, arg1 *manager.L
 }
 // ListSchedulers indicates an expected call of ListSchedulers.
-func (mr *MockManagerServerMockRecorder) ListSchedulers(arg0, arg1 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) ListSchedulers(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListSchedulers", reflect.TypeOf((*MockManagerServer)(nil).ListSchedulers), arg0, arg1)
 }
-// ListSeedPeers mocks base method.
+// UpdateModel mocks base method.
-func (m *MockManagerServer) ListSeedPeers(arg0 context.Context, arg1 *manager.ListSeedPeersRequest) (*manager.ListSeedPeersResponse, error) {
+func (m *MockManagerServer) UpdateModel(arg0 context.Context, arg1 *manager.UpdateModelRequest) (*manager.Model, error) {
 	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "ListSeedPeers", arg0, arg1)
+	ret := m.ctrl.Call(m, "UpdateModel", arg0, arg1)
-	ret0, _ := ret[0].(*manager.ListSeedPeersResponse)
+	ret0, _ := ret[0].(*manager.Model)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
-// ListSeedPeers indicates an expected call of ListSeedPeers.
+// UpdateModel indicates an expected call of UpdateModel.
-func (mr *MockManagerServerMockRecorder) ListSeedPeers(arg0, arg1 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) UpdateModel(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListSeedPeers", reflect.TypeOf((*MockManagerServer)(nil).ListSeedPeers), arg0, arg1)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateModel", reflect.TypeOf((*MockManagerServer)(nil).UpdateModel), arg0, arg1)
 }
 // UpdateModelVersion mocks base method.
 func (m *MockManagerServer) UpdateModelVersion(arg0 context.Context, arg1 *manager.UpdateModelVersionRequest) (*manager.ModelVersion, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "UpdateModelVersion", arg0, arg1)
 	ret0, _ := ret[0].(*manager.ModelVersion)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // UpdateModelVersion indicates an expected call of UpdateModelVersion.
 func (mr *MockManagerServerMockRecorder) UpdateModelVersion(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateModelVersion", reflect.TypeOf((*MockManagerServer)(nil).UpdateModelVersion), arg0, arg1)
 }
 // UpdateScheduler mocks base method.
@ -500,7 +842,7 @@ func (m *MockManagerServer) UpdateScheduler(arg0 context.Context, arg1 *manager.
 }
 // UpdateScheduler indicates an expected call of UpdateScheduler.
-func (mr *MockManagerServerMockRecorder) UpdateScheduler(arg0, arg1 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) UpdateScheduler(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateScheduler", reflect.TypeOf((*MockManagerServer)(nil).UpdateScheduler), arg0, arg1)
 }
@ -515,7 +857,7 @@ func (m *MockManagerServer) UpdateSeedPeer(arg0 context.Context, arg1 *manager.U
 }
 // UpdateSeedPeer indicates an expected call of UpdateSeedPeer.
-func (mr *MockManagerServerMockRecorder) UpdateSeedPeer(arg0, arg1 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) UpdateSeedPeer(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateSeedPeer", reflect.TypeOf((*MockManagerServer)(nil).UpdateSeedPeer), arg0, arg1)
 }
@ -524,7 +866,6 @@ func (mr *MockManagerServerMockRecorder) UpdateSeedPeer(arg0, arg1 any) *gomock.
 type MockUnsafeManagerServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockUnsafeManagerServerMockRecorder
 	isgomock struct{}
 }
 // MockUnsafeManagerServerMockRecorder is the mock recorder for MockUnsafeManagerServer.
@ -560,7 +901,6 @@ func (mr *MockUnsafeManagerServerMockRecorder) mustEmbedUnimplementedManagerServ
 type MockManager_KeepAliveServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockManager_KeepAliveServerMockRecorder
 	isgomock struct{}
 }
 // MockManager_KeepAliveServerMockRecorder is the mock recorder for MockManager_KeepAliveServer.
@ -610,7 +950,7 @@ func (mr *MockManager_KeepAliveServerMockRecorder) Recv() *gomock.Call {
 }
 // RecvMsg mocks base method.
-func (m_2 *MockManager_KeepAliveServer) RecvMsg(m any) error {
+func (m_2 *MockManager_KeepAliveServer) RecvMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "RecvMsg", m)
 	ret0, _ := ret[0].(error)
@ -618,7 +958,7 @@ func (m_2 *MockManager_KeepAliveServer) RecvMsg(m any) error {
 }
 // RecvMsg indicates an expected call of RecvMsg.
-func (mr *MockManager_KeepAliveServerMockRecorder) RecvMsg(m any) *gomock.Call {
+func (mr *MockManager_KeepAliveServerMockRecorder) RecvMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockManager_KeepAliveServer)(nil).RecvMsg), m)
 }
@ -632,7 +972,7 @@ func (m *MockManager_KeepAliveServer) SendAndClose(arg0 *emptypb.Empty) error {
 }
 // SendAndClose indicates an expected call of SendAndClose.
-func (mr *MockManager_KeepAliveServerMockRecorder) SendAndClose(arg0 any) *gomock.Call {
+func (mr *MockManager_KeepAliveServerMockRecorder) SendAndClose(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendAndClose", reflect.TypeOf((*MockManager_KeepAliveServer)(nil).SendAndClose), arg0)
 }
@ -646,13 +986,13 @@ func (m *MockManager_KeepAliveServer) SendHeader(arg0 metadata.MD) error {
 }
 // SendHeader indicates an expected call of SendHeader.
-func (mr *MockManager_KeepAliveServerMockRecorder) SendHeader(arg0 any) *gomock.Call {
+func (mr *MockManager_KeepAliveServerMockRecorder) SendHeader(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendHeader", reflect.TypeOf((*MockManager_KeepAliveServer)(nil).SendHeader), arg0)
 }
 // SendMsg mocks base method.
-func (m_2 *MockManager_KeepAliveServer) SendMsg(m any) error {
+func (m_2 *MockManager_KeepAliveServer) SendMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "SendMsg", m)
 	ret0, _ := ret[0].(error)
@ -660,7 +1000,7 @@ func (m_2 *MockManager_KeepAliveServer) SendMsg(m any) error {
 }
 // SendMsg indicates an expected call of SendMsg.
-func (mr *MockManager_KeepAliveServerMockRecorder) SendMsg(m any) *gomock.Call {
+func (mr *MockManager_KeepAliveServerMockRecorder) SendMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockManager_KeepAliveServer)(nil).SendMsg), m)
 }
@ -674,7 +1014,7 @@ func (m *MockManager_KeepAliveServer) SetHeader(arg0 metadata.MD) error {
 }
 // SetHeader indicates an expected call of SetHeader.
-func (mr *MockManager_KeepAliveServerMockRecorder) SetHeader(arg0 any) *gomock.Call {
+func (mr *MockManager_KeepAliveServerMockRecorder) SetHeader(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetHeader", reflect.TypeOf((*MockManager_KeepAliveServer)(nil).SetHeader), arg0)
 }
@ -686,7 +1026,7 @@ func (m *MockManager_KeepAliveServer) SetTrailer(arg0 metadata.MD) {
 }
 // SetTrailer indicates an expected call of SetTrailer.
-func (mr *MockManager_KeepAliveServerMockRecorder) SetTrailer(arg0 any) *gomock.Call {
+func (mr *MockManager_KeepAliveServerMockRecorder) SetTrailer(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetTrailer", reflect.TypeOf((*MockManager_KeepAliveServer)(nil).SetTrailer), arg0)
 }
--- a/pkg/apis/scheduler/v1/mocks/scheduler_mock.go
+++ b/pkg/apis/scheduler/v1/mocks/scheduler_mock.go
@ -1,10 +1,5 @@
 // Code generated by MockGen. DO NOT EDIT.
 // Source: ../scheduler_grpc.pb.go
 //
 // Generated by this command:
 //
 //	mockgen -destination scheduler_mock.go -source ../scheduler_grpc.pb.go -package mocks
 //
 // Package mocks is a generated GoMock package.
 package mocks
@ -13,8 +8,8 @@ import (
 	context "context"
 	reflect "reflect"
-	scheduler "d7y.io/api/v2/pkg/apis/scheduler/v1"
+	scheduler "d7y.io/api/pkg/apis/scheduler/v1"
-	gomock "go.uber.org/mock/gomock"
+	gomock "github.com/golang/mock/gomock"
 	grpc "google.golang.org/grpc"
 	metadata "google.golang.org/grpc/metadata"
 	emptypb "google.golang.org/protobuf/types/known/emptypb"
@ -24,7 +19,6 @@ import (
 type MockSchedulerClient struct {
 	ctrl     *gomock.Controller
 	recorder *MockSchedulerClientMockRecorder
 	isgomock struct{}
 }
 // MockSchedulerClientMockRecorder is the mock recorder for MockSchedulerClient.
@ -47,7 +41,7 @@ func (m *MockSchedulerClient) EXPECT() *MockSchedulerClientMockRecorder {
 // AnnounceHost mocks base method.
 func (m *MockSchedulerClient) AnnounceHost(ctx context.Context, in *scheduler.AnnounceHostRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -58,16 +52,16 @@ func (m *MockSchedulerClient) AnnounceHost(ctx context.Context, in *scheduler.An
 }
 // AnnounceHost indicates an expected call of AnnounceHost.
-func (mr *MockSchedulerClientMockRecorder) AnnounceHost(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockSchedulerClientMockRecorder) AnnounceHost(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AnnounceHost", reflect.TypeOf((*MockSchedulerClient)(nil).AnnounceHost), varargs...)
 }
 // AnnounceTask mocks base method.
 func (m *MockSchedulerClient) AnnounceTask(ctx context.Context, in *scheduler.AnnounceTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -78,16 +72,16 @@ func (m *MockSchedulerClient) AnnounceTask(ctx context.Context, in *scheduler.An
 }
 // AnnounceTask indicates an expected call of AnnounceTask.
-func (mr *MockSchedulerClientMockRecorder) AnnounceTask(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockSchedulerClientMockRecorder) AnnounceTask(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AnnounceTask", reflect.TypeOf((*MockSchedulerClient)(nil).AnnounceTask), varargs...)
 }
 // LeaveHost mocks base method.
 func (m *MockSchedulerClient) LeaveHost(ctx context.Context, in *scheduler.LeaveHostRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -98,16 +92,16 @@ func (m *MockSchedulerClient) LeaveHost(ctx context.Context, in *scheduler.Leave
 }
 // LeaveHost indicates an expected call of LeaveHost.
-func (mr *MockSchedulerClientMockRecorder) LeaveHost(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockSchedulerClientMockRecorder) LeaveHost(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "LeaveHost", reflect.TypeOf((*MockSchedulerClient)(nil).LeaveHost), varargs...)
 }
 // LeaveTask mocks base method.
 func (m *MockSchedulerClient) LeaveTask(ctx context.Context, in *scheduler.PeerTarget, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -118,16 +112,16 @@ func (m *MockSchedulerClient) LeaveTask(ctx context.Context, in *scheduler.PeerT
 }
 // LeaveTask indicates an expected call of LeaveTask.
-func (mr *MockSchedulerClientMockRecorder) LeaveTask(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockSchedulerClientMockRecorder) LeaveTask(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "LeaveTask", reflect.TypeOf((*MockSchedulerClient)(nil).LeaveTask), varargs...)
 }
 // RegisterPeerTask mocks base method.
 func (m *MockSchedulerClient) RegisterPeerTask(ctx context.Context, in *scheduler.PeerTaskRequest, opts ...grpc.CallOption) (*scheduler.RegisterResult, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -138,16 +132,16 @@ func (m *MockSchedulerClient) RegisterPeerTask(ctx context.Context, in *schedule
 }
 // RegisterPeerTask indicates an expected call of RegisterPeerTask.
-func (mr *MockSchedulerClientMockRecorder) RegisterPeerTask(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockSchedulerClientMockRecorder) RegisterPeerTask(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RegisterPeerTask", reflect.TypeOf((*MockSchedulerClient)(nil).RegisterPeerTask), varargs...)
 }
 // ReportPeerResult mocks base method.
 func (m *MockSchedulerClient) ReportPeerResult(ctx context.Context, in *scheduler.PeerResult, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -158,16 +152,16 @@ func (m *MockSchedulerClient) ReportPeerResult(ctx context.Context, in *schedule
 }
 // ReportPeerResult indicates an expected call of ReportPeerResult.
-func (mr *MockSchedulerClientMockRecorder) ReportPeerResult(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockSchedulerClientMockRecorder) ReportPeerResult(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ReportPeerResult", reflect.TypeOf((*MockSchedulerClient)(nil).ReportPeerResult), varargs...)
 }
 // ReportPieceResult mocks base method.
 func (m *MockSchedulerClient) ReportPieceResult(ctx context.Context, opts ...grpc.CallOption) (scheduler.Scheduler_ReportPieceResultClient, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx}
+	varargs := []interface{}{ctx}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -178,16 +172,16 @@ func (m *MockSchedulerClient) ReportPieceResult(ctx context.Context, opts ...grp
 }
 // ReportPieceResult indicates an expected call of ReportPieceResult.
-func (mr *MockSchedulerClientMockRecorder) ReportPieceResult(ctx any, opts ...any) *gomock.Call {
+func (mr *MockSchedulerClientMockRecorder) ReportPieceResult(ctx interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx}, opts...)
+	varargs := append([]interface{}{ctx}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ReportPieceResult", reflect.TypeOf((*MockSchedulerClient)(nil).ReportPieceResult), varargs...)
 }
 // StatTask mocks base method.
 func (m *MockSchedulerClient) StatTask(ctx context.Context, in *scheduler.StatTaskRequest, opts ...grpc.CallOption) (*scheduler.Task, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -198,17 +192,56 @@ func (m *MockSchedulerClient) StatTask(ctx context.Context, in *scheduler.StatTa
 }
 // StatTask indicates an expected call of StatTask.
-func (mr *MockSchedulerClientMockRecorder) StatTask(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockSchedulerClientMockRecorder) StatTask(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "StatTask", reflect.TypeOf((*MockSchedulerClient)(nil).StatTask), varargs...)
 }
 // SyncNetworkTopology mocks base method.
 func (m *MockSchedulerClient) SyncNetworkTopology(ctx context.Context, opts ...grpc.CallOption) (scheduler.Scheduler_SyncNetworkTopologyClient, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{ctx}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
 	ret := m.ctrl.Call(m, "SyncNetworkTopology", varargs...)
 	ret0, _ := ret[0].(scheduler.Scheduler_SyncNetworkTopologyClient)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // SyncNetworkTopology indicates an expected call of SyncNetworkTopology.
 func (mr *MockSchedulerClientMockRecorder) SyncNetworkTopology(ctx interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{ctx}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SyncNetworkTopology", reflect.TypeOf((*MockSchedulerClient)(nil).SyncNetworkTopology), varargs...)
 }
 // SyncProbes mocks base method.
 func (m *MockSchedulerClient) SyncProbes(ctx context.Context, opts ...grpc.CallOption) (scheduler.Scheduler_SyncProbesClient, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{ctx}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
 	ret := m.ctrl.Call(m, "SyncProbes", varargs...)
 	ret0, _ := ret[0].(scheduler.Scheduler_SyncProbesClient)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // SyncProbes indicates an expected call of SyncProbes.
 func (mr *MockSchedulerClientMockRecorder) SyncProbes(ctx interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{ctx}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SyncProbes", reflect.TypeOf((*MockSchedulerClient)(nil).SyncProbes), varargs...)
 }
 // MockScheduler_ReportPieceResultClient is a mock of Scheduler_ReportPieceResultClient interface.
 type MockScheduler_ReportPieceResultClient struct {
 	ctrl     *gomock.Controller
 	recorder *MockScheduler_ReportPieceResultClientMockRecorder
 	isgomock struct{}
 }
 // MockScheduler_ReportPieceResultClientMockRecorder is the mock recorder for MockScheduler_ReportPieceResultClient.
@ -287,7 +320,7 @@ func (mr *MockScheduler_ReportPieceResultClientMockRecorder) Recv() *gomock.Call
 }
 // RecvMsg mocks base method.
-func (m_2 *MockScheduler_ReportPieceResultClient) RecvMsg(m any) error {
+func (m_2 *MockScheduler_ReportPieceResultClient) RecvMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "RecvMsg", m)
 	ret0, _ := ret[0].(error)
@ -295,7 +328,7 @@ func (m_2 *MockScheduler_ReportPieceResultClient) RecvMsg(m any) error {
 }
 // RecvMsg indicates an expected call of RecvMsg.
-func (mr *MockScheduler_ReportPieceResultClientMockRecorder) RecvMsg(m any) *gomock.Call {
+func (mr *MockScheduler_ReportPieceResultClientMockRecorder) RecvMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockScheduler_ReportPieceResultClient)(nil).RecvMsg), m)
 }
@ -309,13 +342,13 @@ func (m *MockScheduler_ReportPieceResultClient) Send(arg0 *scheduler.PieceResult
 }
 // Send indicates an expected call of Send.
-func (mr *MockScheduler_ReportPieceResultClientMockRecorder) Send(arg0 any) *gomock.Call {
+func (mr *MockScheduler_ReportPieceResultClientMockRecorder) Send(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockScheduler_ReportPieceResultClient)(nil).Send), arg0)
 }
 // SendMsg mocks base method.
-func (m_2 *MockScheduler_ReportPieceResultClient) SendMsg(m any) error {
+func (m_2 *MockScheduler_ReportPieceResultClient) SendMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "SendMsg", m)
 	ret0, _ := ret[0].(error)
@ -323,7 +356,7 @@ func (m_2 *MockScheduler_ReportPieceResultClient) SendMsg(m any) error {
 }
 // SendMsg indicates an expected call of SendMsg.
-func (mr *MockScheduler_ReportPieceResultClientMockRecorder) SendMsg(m any) *gomock.Call {
+func (mr *MockScheduler_ReportPieceResultClientMockRecorder) SendMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockScheduler_ReportPieceResultClient)(nil).SendMsg), m)
 }
@ -342,11 +375,284 @@ func (mr *MockScheduler_ReportPieceResultClientMockRecorder) Trailer() *gomock.C
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Trailer", reflect.TypeOf((*MockScheduler_ReportPieceResultClient)(nil).Trailer))
 }
 // MockScheduler_SyncProbesClient is a mock of Scheduler_SyncProbesClient interface.
 type MockScheduler_SyncProbesClient struct {
 	ctrl     *gomock.Controller
 	recorder *MockScheduler_SyncProbesClientMockRecorder
 }
 // MockScheduler_SyncProbesClientMockRecorder is the mock recorder for MockScheduler_SyncProbesClient.
 type MockScheduler_SyncProbesClientMockRecorder struct {
 	mock *MockScheduler_SyncProbesClient
 }
 // NewMockScheduler_SyncProbesClient creates a new mock instance.
 func NewMockScheduler_SyncProbesClient(ctrl *gomock.Controller) *MockScheduler_SyncProbesClient {
 	mock := &MockScheduler_SyncProbesClient{ctrl: ctrl}
 	mock.recorder = &MockScheduler_SyncProbesClientMockRecorder{mock}
 	return mock
 }
 // EXPECT returns an object that allows the caller to indicate expected use.
 func (m *MockScheduler_SyncProbesClient) EXPECT() *MockScheduler_SyncProbesClientMockRecorder {
 	return m.recorder
 }
 // CloseSend mocks base method.
 func (m *MockScheduler_SyncProbesClient) CloseSend() error {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "CloseSend")
 	ret0, _ := ret[0].(error)
 	return ret0
 }
 // CloseSend indicates an expected call of CloseSend.
 func (mr *MockScheduler_SyncProbesClientMockRecorder) CloseSend() *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CloseSend", reflect.TypeOf((*MockScheduler_SyncProbesClient)(nil).CloseSend))
 }
 // Context mocks base method.
 func (m *MockScheduler_SyncProbesClient) Context() context.Context {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Context")
 	ret0, _ := ret[0].(context.Context)
 	return ret0
 }
 // Context indicates an expected call of Context.
 func (mr *MockScheduler_SyncProbesClientMockRecorder) Context() *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Context", reflect.TypeOf((*MockScheduler_SyncProbesClient)(nil).Context))
 }
 // Header mocks base method.
 func (m *MockScheduler_SyncProbesClient) Header() (metadata.MD, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Header")
 	ret0, _ := ret[0].(metadata.MD)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // Header indicates an expected call of Header.
 func (mr *MockScheduler_SyncProbesClientMockRecorder) Header() *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Header", reflect.TypeOf((*MockScheduler_SyncProbesClient)(nil).Header))
 }
 // Recv mocks base method.
 func (m *MockScheduler_SyncProbesClient) Recv() (*scheduler.SyncProbesResponse, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Recv")
 	ret0, _ := ret[0].(*scheduler.SyncProbesResponse)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // Recv indicates an expected call of Recv.
 func (mr *MockScheduler_SyncProbesClientMockRecorder) Recv() *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Recv", reflect.TypeOf((*MockScheduler_SyncProbesClient)(nil).Recv))
 }
 // RecvMsg mocks base method.
 func (m_2 *MockScheduler_SyncProbesClient) RecvMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "RecvMsg", m)
 	ret0, _ := ret[0].(error)
 	return ret0
 }
 // RecvMsg indicates an expected call of RecvMsg.
 func (mr *MockScheduler_SyncProbesClientMockRecorder) RecvMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockScheduler_SyncProbesClient)(nil).RecvMsg), m)
 }
 // Send mocks base method.
 func (m *MockScheduler_SyncProbesClient) Send(arg0 *scheduler.SyncProbesRequest) error {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Send", arg0)
 	ret0, _ := ret[0].(error)
 	return ret0
 }
 // Send indicates an expected call of Send.
 func (mr *MockScheduler_SyncProbesClientMockRecorder) Send(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockScheduler_SyncProbesClient)(nil).Send), arg0)
 }
 // SendMsg mocks base method.
 func (m_2 *MockScheduler_SyncProbesClient) SendMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "SendMsg", m)
 	ret0, _ := ret[0].(error)
 	return ret0
 }
 // SendMsg indicates an expected call of SendMsg.
 func (mr *MockScheduler_SyncProbesClientMockRecorder) SendMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockScheduler_SyncProbesClient)(nil).SendMsg), m)
 }
 // Trailer mocks base method.
 func (m *MockScheduler_SyncProbesClient) Trailer() metadata.MD {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Trailer")
 	ret0, _ := ret[0].(metadata.MD)
 	return ret0
 }
 // Trailer indicates an expected call of Trailer.
 func (mr *MockScheduler_SyncProbesClientMockRecorder) Trailer() *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Trailer", reflect.TypeOf((*MockScheduler_SyncProbesClient)(nil).Trailer))
 }
 // MockScheduler_SyncNetworkTopologyClient is a mock of Scheduler_SyncNetworkTopologyClient interface.
 type MockScheduler_SyncNetworkTopologyClient struct {
 	ctrl     *gomock.Controller
 	recorder *MockScheduler_SyncNetworkTopologyClientMockRecorder
 }
 // MockScheduler_SyncNetworkTopologyClientMockRecorder is the mock recorder for MockScheduler_SyncNetworkTopologyClient.
 type MockScheduler_SyncNetworkTopologyClientMockRecorder struct {
 	mock *MockScheduler_SyncNetworkTopologyClient
 }
 // NewMockScheduler_SyncNetworkTopologyClient creates a new mock instance.
 func NewMockScheduler_SyncNetworkTopologyClient(ctrl *gomock.Controller) *MockScheduler_SyncNetworkTopologyClient {
 	mock := &MockScheduler_SyncNetworkTopologyClient{ctrl: ctrl}
 	mock.recorder = &MockScheduler_SyncNetworkTopologyClientMockRecorder{mock}
 	return mock
 }
 // EXPECT returns an object that allows the caller to indicate expected use.
 func (m *MockScheduler_SyncNetworkTopologyClient) EXPECT() *MockScheduler_SyncNetworkTopologyClientMockRecorder {
 	return m.recorder
 }
 // CloseAndRecv mocks base method.
 func (m *MockScheduler_SyncNetworkTopologyClient) CloseAndRecv() (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "CloseAndRecv")
 	ret0, _ := ret[0].(*emptypb.Empty)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // CloseAndRecv indicates an expected call of CloseAndRecv.
 func (mr *MockScheduler_SyncNetworkTopologyClientMockRecorder) CloseAndRecv() *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CloseAndRecv", reflect.TypeOf((*MockScheduler_SyncNetworkTopologyClient)(nil).CloseAndRecv))
 }
 // CloseSend mocks base method.
 func (m *MockScheduler_SyncNetworkTopologyClient) CloseSend() error {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "CloseSend")
 	ret0, _ := ret[0].(error)
 	return ret0
 }
 // CloseSend indicates an expected call of CloseSend.
 func (mr *MockScheduler_SyncNetworkTopologyClientMockRecorder) CloseSend() *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CloseSend", reflect.TypeOf((*MockScheduler_SyncNetworkTopologyClient)(nil).CloseSend))
 }
 // Context mocks base method.
 func (m *MockScheduler_SyncNetworkTopologyClient) Context() context.Context {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Context")
 	ret0, _ := ret[0].(context.Context)
 	return ret0
 }
 // Context indicates an expected call of Context.
 func (mr *MockScheduler_SyncNetworkTopologyClientMockRecorder) Context() *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Context", reflect.TypeOf((*MockScheduler_SyncNetworkTopologyClient)(nil).Context))
 }
 // Header mocks base method.
 func (m *MockScheduler_SyncNetworkTopologyClient) Header() (metadata.MD, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Header")
 	ret0, _ := ret[0].(metadata.MD)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // Header indicates an expected call of Header.
 func (mr *MockScheduler_SyncNetworkTopologyClientMockRecorder) Header() *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Header", reflect.TypeOf((*MockScheduler_SyncNetworkTopologyClient)(nil).Header))
 }
 // RecvMsg mocks base method.
 func (m_2 *MockScheduler_SyncNetworkTopologyClient) RecvMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "RecvMsg", m)
 	ret0, _ := ret[0].(error)
 	return ret0
 }
 // RecvMsg indicates an expected call of RecvMsg.
 func (mr *MockScheduler_SyncNetworkTopologyClientMockRecorder) RecvMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockScheduler_SyncNetworkTopologyClient)(nil).RecvMsg), m)
 }
 // Send mocks base method.
 func (m *MockScheduler_SyncNetworkTopologyClient) Send(arg0 *scheduler.SyncNetworkTopologyRequest) error {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Send", arg0)
 	ret0, _ := ret[0].(error)
 	return ret0
 }
 // Send indicates an expected call of Send.
 func (mr *MockScheduler_SyncNetworkTopologyClientMockRecorder) Send(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockScheduler_SyncNetworkTopologyClient)(nil).Send), arg0)
 }
 // SendMsg mocks base method.
 func (m_2 *MockScheduler_SyncNetworkTopologyClient) SendMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "SendMsg", m)
 	ret0, _ := ret[0].(error)
 	return ret0
 }
 // SendMsg indicates an expected call of SendMsg.
 func (mr *MockScheduler_SyncNetworkTopologyClientMockRecorder) SendMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockScheduler_SyncNetworkTopologyClient)(nil).SendMsg), m)
 }
 // Trailer mocks base method.
 func (m *MockScheduler_SyncNetworkTopologyClient) Trailer() metadata.MD {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Trailer")
 	ret0, _ := ret[0].(metadata.MD)
 	return ret0
 }
 // Trailer indicates an expected call of Trailer.
 func (mr *MockScheduler_SyncNetworkTopologyClientMockRecorder) Trailer() *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Trailer", reflect.TypeOf((*MockScheduler_SyncNetworkTopologyClient)(nil).Trailer))
 }
 // MockSchedulerServer is a mock of SchedulerServer interface.
 type MockSchedulerServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockSchedulerServerMockRecorder
 	isgomock struct{}
 }
 // MockSchedulerServerMockRecorder is the mock recorder for MockSchedulerServer.
@ -376,7 +682,7 @@ func (m *MockSchedulerServer) AnnounceHost(arg0 context.Context, arg1 *scheduler
 }
 // AnnounceHost indicates an expected call of AnnounceHost.
-func (mr *MockSchedulerServerMockRecorder) AnnounceHost(arg0, arg1 any) *gomock.Call {
+func (mr *MockSchedulerServerMockRecorder) AnnounceHost(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AnnounceHost", reflect.TypeOf((*MockSchedulerServer)(nil).AnnounceHost), arg0, arg1)
 }
@ -391,7 +697,7 @@ func (m *MockSchedulerServer) AnnounceTask(arg0 context.Context, arg1 *scheduler
 }
 // AnnounceTask indicates an expected call of AnnounceTask.
-func (mr *MockSchedulerServerMockRecorder) AnnounceTask(arg0, arg1 any) *gomock.Call {
+func (mr *MockSchedulerServerMockRecorder) AnnounceTask(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AnnounceTask", reflect.TypeOf((*MockSchedulerServer)(nil).AnnounceTask), arg0, arg1)
 }
@ -406,7 +712,7 @@ func (m *MockSchedulerServer) LeaveHost(arg0 context.Context, arg1 *scheduler.Le
 }
 // LeaveHost indicates an expected call of LeaveHost.
-func (mr *MockSchedulerServerMockRecorder) LeaveHost(arg0, arg1 any) *gomock.Call {
+func (mr *MockSchedulerServerMockRecorder) LeaveHost(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "LeaveHost", reflect.TypeOf((*MockSchedulerServer)(nil).LeaveHost), arg0, arg1)
 }
@ -421,7 +727,7 @@ func (m *MockSchedulerServer) LeaveTask(arg0 context.Context, arg1 *scheduler.Pe
 }
 // LeaveTask indicates an expected call of LeaveTask.
-func (mr *MockSchedulerServerMockRecorder) LeaveTask(arg0, arg1 any) *gomock.Call {
+func (mr *MockSchedulerServerMockRecorder) LeaveTask(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "LeaveTask", reflect.TypeOf((*MockSchedulerServer)(nil).LeaveTask), arg0, arg1)
 }
@ -436,7 +742,7 @@ func (m *MockSchedulerServer) RegisterPeerTask(arg0 context.Context, arg1 *sched
 }
 // RegisterPeerTask indicates an expected call of RegisterPeerTask.
-func (mr *MockSchedulerServerMockRecorder) RegisterPeerTask(arg0, arg1 any) *gomock.Call {
+func (mr *MockSchedulerServerMockRecorder) RegisterPeerTask(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RegisterPeerTask", reflect.TypeOf((*MockSchedulerServer)(nil).RegisterPeerTask), arg0, arg1)
 }
@ -451,7 +757,7 @@ func (m *MockSchedulerServer) ReportPeerResult(arg0 context.Context, arg1 *sched
 }
 // ReportPeerResult indicates an expected call of ReportPeerResult.
-func (mr *MockSchedulerServerMockRecorder) ReportPeerResult(arg0, arg1 any) *gomock.Call {
+func (mr *MockSchedulerServerMockRecorder) ReportPeerResult(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ReportPeerResult", reflect.TypeOf((*MockSchedulerServer)(nil).ReportPeerResult), arg0, arg1)
 }
@ -465,7 +771,7 @@ func (m *MockSchedulerServer) ReportPieceResult(arg0 scheduler.Scheduler_ReportP
 }
 // ReportPieceResult indicates an expected call of ReportPieceResult.
-func (mr *MockSchedulerServerMockRecorder) ReportPieceResult(arg0 any) *gomock.Call {
+func (mr *MockSchedulerServerMockRecorder) ReportPieceResult(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ReportPieceResult", reflect.TypeOf((*MockSchedulerServer)(nil).ReportPieceResult), arg0)
 }
@ -480,16 +786,43 @@ func (m *MockSchedulerServer) StatTask(arg0 context.Context, arg1 *scheduler.Sta
 }
 // StatTask indicates an expected call of StatTask.
-func (mr *MockSchedulerServerMockRecorder) StatTask(arg0, arg1 any) *gomock.Call {
+func (mr *MockSchedulerServerMockRecorder) StatTask(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "StatTask", reflect.TypeOf((*MockSchedulerServer)(nil).StatTask), arg0, arg1)
 }
 // SyncNetworkTopology mocks base method.
 func (m *MockSchedulerServer) SyncNetworkTopology(arg0 scheduler.Scheduler_SyncNetworkTopologyServer) error {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "SyncNetworkTopology", arg0)
 	ret0, _ := ret[0].(error)
 	return ret0
 }
 // SyncNetworkTopology indicates an expected call of SyncNetworkTopology.
 func (mr *MockSchedulerServerMockRecorder) SyncNetworkTopology(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SyncNetworkTopology", reflect.TypeOf((*MockSchedulerServer)(nil).SyncNetworkTopology), arg0)
 }
 // SyncProbes mocks base method.
 func (m *MockSchedulerServer) SyncProbes(arg0 scheduler.Scheduler_SyncProbesServer) error {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "SyncProbes", arg0)
 	ret0, _ := ret[0].(error)
 	return ret0
 }
 // SyncProbes indicates an expected call of SyncProbes.
 func (mr *MockSchedulerServerMockRecorder) SyncProbes(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SyncProbes", reflect.TypeOf((*MockSchedulerServer)(nil).SyncProbes), arg0)
 }
 // MockUnsafeSchedulerServer is a mock of UnsafeSchedulerServer interface.
 type MockUnsafeSchedulerServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockUnsafeSchedulerServerMockRecorder
 	isgomock struct{}
 }
 // MockUnsafeSchedulerServerMockRecorder is the mock recorder for MockUnsafeSchedulerServer.
@ -525,7 +858,6 @@ func (mr *MockUnsafeSchedulerServerMockRecorder) mustEmbedUnimplementedScheduler
 type MockScheduler_ReportPieceResultServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockScheduler_ReportPieceResultServerMockRecorder
 	isgomock struct{}
 }
 // MockScheduler_ReportPieceResultServerMockRecorder is the mock recorder for MockScheduler_ReportPieceResultServer.
@ -575,7 +907,7 @@ func (mr *MockScheduler_ReportPieceResultServerMockRecorder) Recv() *gomock.Call
 }
 // RecvMsg mocks base method.
-func (m_2 *MockScheduler_ReportPieceResultServer) RecvMsg(m any) error {
+func (m_2 *MockScheduler_ReportPieceResultServer) RecvMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "RecvMsg", m)
 	ret0, _ := ret[0].(error)
@ -583,7 +915,7 @@ func (m_2 *MockScheduler_ReportPieceResultServer) RecvMsg(m any) error {
 }
 // RecvMsg indicates an expected call of RecvMsg.
-func (mr *MockScheduler_ReportPieceResultServerMockRecorder) RecvMsg(m any) *gomock.Call {
+func (mr *MockScheduler_ReportPieceResultServerMockRecorder) RecvMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockScheduler_ReportPieceResultServer)(nil).RecvMsg), m)
 }
@ -597,7 +929,7 @@ func (m *MockScheduler_ReportPieceResultServer) Send(arg0 *scheduler.PeerPacket)
 }
 // Send indicates an expected call of Send.
-func (mr *MockScheduler_ReportPieceResultServerMockRecorder) Send(arg0 any) *gomock.Call {
+func (mr *MockScheduler_ReportPieceResultServerMockRecorder) Send(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockScheduler_ReportPieceResultServer)(nil).Send), arg0)
 }
@ -611,13 +943,13 @@ func (m *MockScheduler_ReportPieceResultServer) SendHeader(arg0 metadata.MD) err
 }
 // SendHeader indicates an expected call of SendHeader.
-func (mr *MockScheduler_ReportPieceResultServerMockRecorder) SendHeader(arg0 any) *gomock.Call {
+func (mr *MockScheduler_ReportPieceResultServerMockRecorder) SendHeader(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendHeader", reflect.TypeOf((*MockScheduler_ReportPieceResultServer)(nil).SendHeader), arg0)
 }
 // SendMsg mocks base method.
-func (m_2 *MockScheduler_ReportPieceResultServer) SendMsg(m any) error {
+func (m_2 *MockScheduler_ReportPieceResultServer) SendMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "SendMsg", m)
 	ret0, _ := ret[0].(error)
@ -625,7 +957,7 @@ func (m_2 *MockScheduler_ReportPieceResultServer) SendMsg(m any) error {
 }
 // SendMsg indicates an expected call of SendMsg.
-func (mr *MockScheduler_ReportPieceResultServerMockRecorder) SendMsg(m any) *gomock.Call {
+func (mr *MockScheduler_ReportPieceResultServerMockRecorder) SendMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockScheduler_ReportPieceResultServer)(nil).SendMsg), m)
 }
@ -639,7 +971,7 @@ func (m *MockScheduler_ReportPieceResultServer) SetHeader(arg0 metadata.MD) erro
 }
 // SetHeader indicates an expected call of SetHeader.
-func (mr *MockScheduler_ReportPieceResultServerMockRecorder) SetHeader(arg0 any) *gomock.Call {
+func (mr *MockScheduler_ReportPieceResultServerMockRecorder) SetHeader(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetHeader", reflect.TypeOf((*MockScheduler_ReportPieceResultServer)(nil).SetHeader), arg0)
 }
@ -651,7 +983,275 @@ func (m *MockScheduler_ReportPieceResultServer) SetTrailer(arg0 metadata.MD) {
 }
 // SetTrailer indicates an expected call of SetTrailer.
-func (mr *MockScheduler_ReportPieceResultServerMockRecorder) SetTrailer(arg0 any) *gomock.Call {
+func (mr *MockScheduler_ReportPieceResultServerMockRecorder) SetTrailer(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetTrailer", reflect.TypeOf((*MockScheduler_ReportPieceResultServer)(nil).SetTrailer), arg0)
 }
 // MockScheduler_SyncProbesServer is a mock of Scheduler_SyncProbesServer interface.
 type MockScheduler_SyncProbesServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockScheduler_SyncProbesServerMockRecorder
 }
 // MockScheduler_SyncProbesServerMockRecorder is the mock recorder for MockScheduler_SyncProbesServer.
 type MockScheduler_SyncProbesServerMockRecorder struct {
 	mock *MockScheduler_SyncProbesServer
 }
 // NewMockScheduler_SyncProbesServer creates a new mock instance.
 func NewMockScheduler_SyncProbesServer(ctrl *gomock.Controller) *MockScheduler_SyncProbesServer {
 	mock := &MockScheduler_SyncProbesServer{ctrl: ctrl}
 	mock.recorder = &MockScheduler_SyncProbesServerMockRecorder{mock}
 	return mock
 }
 // EXPECT returns an object that allows the caller to indicate expected use.
 func (m *MockScheduler_SyncProbesServer) EXPECT() *MockScheduler_SyncProbesServerMockRecorder {
 	return m.recorder
 }
 // Context mocks base method.
 func (m *MockScheduler_SyncProbesServer) Context() context.Context {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Context")
 	ret0, _ := ret[0].(context.Context)
 	return ret0
 }
 // Context indicates an expected call of Context.
 func (mr *MockScheduler_SyncProbesServerMockRecorder) Context() *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Context", reflect.TypeOf((*MockScheduler_SyncProbesServer)(nil).Context))
 }
 // Recv mocks base method.
 func (m *MockScheduler_SyncProbesServer) Recv() (*scheduler.SyncProbesRequest, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Recv")
 	ret0, _ := ret[0].(*scheduler.SyncProbesRequest)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // Recv indicates an expected call of Recv.
 func (mr *MockScheduler_SyncProbesServerMockRecorder) Recv() *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Recv", reflect.TypeOf((*MockScheduler_SyncProbesServer)(nil).Recv))
 }
 // RecvMsg mocks base method.
 func (m_2 *MockScheduler_SyncProbesServer) RecvMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "RecvMsg", m)
 	ret0, _ := ret[0].(error)
 	return ret0
 }
 // RecvMsg indicates an expected call of RecvMsg.
 func (mr *MockScheduler_SyncProbesServerMockRecorder) RecvMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockScheduler_SyncProbesServer)(nil).RecvMsg), m)
 }
 // Send mocks base method.
 func (m *MockScheduler_SyncProbesServer) Send(arg0 *scheduler.SyncProbesResponse) error {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Send", arg0)
 	ret0, _ := ret[0].(error)
 	return ret0
 }
 // Send indicates an expected call of Send.
 func (mr *MockScheduler_SyncProbesServerMockRecorder) Send(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockScheduler_SyncProbesServer)(nil).Send), arg0)
 }
 // SendHeader mocks base method.
 func (m *MockScheduler_SyncProbesServer) SendHeader(arg0 metadata.MD) error {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "SendHeader", arg0)
 	ret0, _ := ret[0].(error)
 	return ret0
 }
 // SendHeader indicates an expected call of SendHeader.
 func (mr *MockScheduler_SyncProbesServerMockRecorder) SendHeader(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendHeader", reflect.TypeOf((*MockScheduler_SyncProbesServer)(nil).SendHeader), arg0)
 }
 // SendMsg mocks base method.
 func (m_2 *MockScheduler_SyncProbesServer) SendMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "SendMsg", m)
 	ret0, _ := ret[0].(error)
 	return ret0
 }
 // SendMsg indicates an expected call of SendMsg.
 func (mr *MockScheduler_SyncProbesServerMockRecorder) SendMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockScheduler_SyncProbesServer)(nil).SendMsg), m)
 }
 // SetHeader mocks base method.
 func (m *MockScheduler_SyncProbesServer) SetHeader(arg0 metadata.MD) error {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "SetHeader", arg0)
 	ret0, _ := ret[0].(error)
 	return ret0
 }
 // SetHeader indicates an expected call of SetHeader.
 func (mr *MockScheduler_SyncProbesServerMockRecorder) SetHeader(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetHeader", reflect.TypeOf((*MockScheduler_SyncProbesServer)(nil).SetHeader), arg0)
 }
 // SetTrailer mocks base method.
 func (m *MockScheduler_SyncProbesServer) SetTrailer(arg0 metadata.MD) {
 	m.ctrl.T.Helper()
 	m.ctrl.Call(m, "SetTrailer", arg0)
 }
 // SetTrailer indicates an expected call of SetTrailer.
 func (mr *MockScheduler_SyncProbesServerMockRecorder) SetTrailer(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetTrailer", reflect.TypeOf((*MockScheduler_SyncProbesServer)(nil).SetTrailer), arg0)
 }
 // MockScheduler_SyncNetworkTopologyServer is a mock of Scheduler_SyncNetworkTopologyServer interface.
 type MockScheduler_SyncNetworkTopologyServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockScheduler_SyncNetworkTopologyServerMockRecorder
 }
 // MockScheduler_SyncNetworkTopologyServerMockRecorder is the mock recorder for MockScheduler_SyncNetworkTopologyServer.
 type MockScheduler_SyncNetworkTopologyServerMockRecorder struct {
 	mock *MockScheduler_SyncNetworkTopologyServer
 }
 // NewMockScheduler_SyncNetworkTopologyServer creates a new mock instance.
 func NewMockScheduler_SyncNetworkTopologyServer(ctrl *gomock.Controller) *MockScheduler_SyncNetworkTopologyServer {
 	mock := &MockScheduler_SyncNetworkTopologyServer{ctrl: ctrl}
 	mock.recorder = &MockScheduler_SyncNetworkTopologyServerMockRecorder{mock}
 	return mock
 }
 // EXPECT returns an object that allows the caller to indicate expected use.
 func (m *MockScheduler_SyncNetworkTopologyServer) EXPECT() *MockScheduler_SyncNetworkTopologyServerMockRecorder {
 	return m.recorder
 }
 // Context mocks base method.
 func (m *MockScheduler_SyncNetworkTopologyServer) Context() context.Context {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Context")
 	ret0, _ := ret[0].(context.Context)
 	return ret0
 }
 // Context indicates an expected call of Context.
 func (mr *MockScheduler_SyncNetworkTopologyServerMockRecorder) Context() *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Context", reflect.TypeOf((*MockScheduler_SyncNetworkTopologyServer)(nil).Context))
 }
 // Recv mocks base method.
 func (m *MockScheduler_SyncNetworkTopologyServer) Recv() (*scheduler.SyncNetworkTopologyRequest, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Recv")
 	ret0, _ := ret[0].(*scheduler.SyncNetworkTopologyRequest)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 // Recv indicates an expected call of Recv.
 func (mr *MockScheduler_SyncNetworkTopologyServerMockRecorder) Recv() *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Recv", reflect.TypeOf((*MockScheduler_SyncNetworkTopologyServer)(nil).Recv))
 }
 // RecvMsg mocks base method.
 func (m_2 *MockScheduler_SyncNetworkTopologyServer) RecvMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "RecvMsg", m)
 	ret0, _ := ret[0].(error)
 	return ret0
 }
 // RecvMsg indicates an expected call of RecvMsg.
 func (mr *MockScheduler_SyncNetworkTopologyServerMockRecorder) RecvMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockScheduler_SyncNetworkTopologyServer)(nil).RecvMsg), m)
 }
 // SendAndClose mocks base method.
 func (m *MockScheduler_SyncNetworkTopologyServer) SendAndClose(arg0 *emptypb.Empty) error {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "SendAndClose", arg0)
 	ret0, _ := ret[0].(error)
 	return ret0
 }
 // SendAndClose indicates an expected call of SendAndClose.
 func (mr *MockScheduler_SyncNetworkTopologyServerMockRecorder) SendAndClose(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendAndClose", reflect.TypeOf((*MockScheduler_SyncNetworkTopologyServer)(nil).SendAndClose), arg0)
 }
 // SendHeader mocks base method.
 func (m *MockScheduler_SyncNetworkTopologyServer) SendHeader(arg0 metadata.MD) error {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "SendHeader", arg0)
 	ret0, _ := ret[0].(error)
 	return ret0
 }
 // SendHeader indicates an expected call of SendHeader.
 func (mr *MockScheduler_SyncNetworkTopologyServerMockRecorder) SendHeader(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendHeader", reflect.TypeOf((*MockScheduler_SyncNetworkTopologyServer)(nil).SendHeader), arg0)
 }
 // SendMsg mocks base method.
 func (m_2 *MockScheduler_SyncNetworkTopologyServer) SendMsg(m interface{}) error {
 	m_2.ctrl.T.Helper()
 	ret := m_2.ctrl.Call(m_2, "SendMsg", m)
 	ret0, _ := ret[0].(error)
 	return ret0
 }
 // SendMsg indicates an expected call of SendMsg.
 func (mr *MockScheduler_SyncNetworkTopologyServerMockRecorder) SendMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockScheduler_SyncNetworkTopologyServer)(nil).SendMsg), m)
 }
 // SetHeader mocks base method.
 func (m *MockScheduler_SyncNetworkTopologyServer) SetHeader(arg0 metadata.MD) error {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "SetHeader", arg0)
 	ret0, _ := ret[0].(error)
 	return ret0
 }
 // SetHeader indicates an expected call of SetHeader.
 func (mr *MockScheduler_SyncNetworkTopologyServerMockRecorder) SetHeader(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetHeader", reflect.TypeOf((*MockScheduler_SyncNetworkTopologyServer)(nil).SetHeader), arg0)
 }
 // SetTrailer mocks base method.
 func (m *MockScheduler_SyncNetworkTopologyServer) SetTrailer(arg0 metadata.MD) {
 	m.ctrl.T.Helper()
 	m.ctrl.Call(m, "SetTrailer", arg0)
 }
 // SetTrailer indicates an expected call of SetTrailer.
 func (mr *MockScheduler_SyncNetworkTopologyServerMockRecorder) SetTrailer(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetTrailer", reflect.TypeOf((*MockScheduler_SyncNetworkTopologyServer)(nil).SetTrailer), arg0)
 }
--- a/pkg/apis/scheduler/v1/scheduler.pb.go
+++ b/pkg/apis/scheduler/v1/scheduler.pb.go
--- a/pkg/apis/scheduler/v1/scheduler.pb.validate.go
+++ b/pkg/apis/scheduler/v1/scheduler.pb.validate.go
--- a/pkg/apis/scheduler/v1/scheduler.proto
+++ b/pkg/apis/scheduler/v1/scheduler.proto
@ -22,8 +22,10 @@ import "pkg/apis/common/v1/common.proto";
 import "pkg/apis/errordetails/v1/errordetails.proto";
 import "validate/validate.proto";
 import "google/protobuf/empty.proto";
 import "google/protobuf/duration.proto";
 import "google/protobuf/timestamp.proto";
-option go_package = "d7y.io/api/v2/pkg/apis/scheduler/v1;scheduler";
+option go_package = "d7y.io/api/pkg/apis/scheduler/v1;scheduler";
 // PeerTaskRequest represents request of RegisterPeerTask.
 message PeerTaskRequest{
@ -35,8 +37,6 @@ message PeerTaskRequest{
  string peer_id = 3 [(validate.rules).string.min_len = 1];
  // Peer host info.
  PeerHost peer_host = 4;
  // When requesting for range, it will trigger seed peer to download entire task.
  bool prefetch = 5;
  // Whether this request is caused by migration.
  bool is_migrating = 6;
  // Task id.
@ -84,7 +84,9 @@ message PeerHost{
  // Port of download server.
  int32 down_port = 4 [(validate.rules).int32 = {gte: 1024, lt: 65535}];
  // Peer hostname.
-  string hostname = 5 [(validate.rules).string.hostname = true];
+  string host_name = 5 [(validate.rules).string.hostname = true];
  // Security domain for network.
  string security_domain = 6;
  // Location path(area|country|province|city|...).
  string location = 7;
  // IDC where the peer host is located
@ -131,6 +133,8 @@ message PeerPacket{
  string task_id = 2 [(validate.rules).string.min_len = 1];
  // Source peer id.
  string src_pid = 3 [(validate.rules).string.min_len = 1];
  // Concurrent downloading count from main peer.
  int32 parallel_count = 4 [(validate.rules).int32.gte = 1];
  // Main peer.
  DestPeer main_peer = 5;
  // Candidate peers.
@ -152,6 +156,8 @@ message PeerResult{
  string peer_id = 2 [(validate.rules).string.min_len = 1];
  // Source host ip.
  string src_ip = 3 [(validate.rules).string.ip = true];
  // Security domain.
  string security_domain = 4;
  // IDC where the peer host is located
  string idc = 5;
  // Download url.
@ -263,10 +269,6 @@ message AnnounceHostRequest{
  Disk disk = 15 [(validate.rules).message.required = true];
  // Build information.
  Build build = 16 [(validate.rules).message.required = true];
  // ID of the cluster to which the host belongs.
  uint64 scheduler_cluster_id = 17;
  // Port of object storage server.
  int32 object_storage_port = 18 [(validate.rules).int32 = {gte: 1024, lt: 65535, ignore_empty: true}];
 }
 // CPU Stat.
@ -276,9 +278,9 @@ message CPU {
  // Number of physical cores in the system
  uint32 physical_count = 2;
  // Percent calculates the percentage of cpu used.
-  double percent = 3 [(validate.rules).double.gte = 0];
+  double percent = 3 [(validate.rules).double = {gte: 0, lte: 100}];
  // Calculates the percentage of cpu used by process.
-  double process_percent = 4 [(validate.rules).double.gte = 0];
+  double process_percent = 4 [(validate.rules).double = {gte: 0, lte: 100}];
  // CPUTimes contains the amounts of time the CPU has spent performing different kinds of work.
  CPUTimes times = 5 [(validate.rules).message.required = true];
 }
@ -317,9 +319,9 @@ message Memory {
  // RAM used by programs.
  uint64 used = 3;
  // Percentage of RAM used by programs.
-  double used_percent = 4;
+  double used_percent = 4 [(validate.rules).double = {gte: 0, lte: 100}];
  // Calculates the percentage of memory used by process.
-  double process_used_percent = 5;
+  double process_used_percent = 5 [(validate.rules).double = {gte: 0, lte: 100}];
  // This is the kernel's notion of free memory.
  uint64 free = 6;
 }
@ -330,6 +332,8 @@ message Network {
  uint32 tcp_connection_count = 1;
  // Return count of upload tcp connections opened and status is ESTABLISHED.
  uint32 upload_tcp_connection_count = 2;
  // Security domain for network.
  string security_domain = 3;
  // Location path(area|country|province|city|...).
  string location = 4;
  // IDC where the peer host is located
@ -368,6 +372,60 @@ message Build {
  string platform = 4;
 }
 // Probe information.
 message Probe {
  // Host metadata.
  common.Host host = 1 [(validate.rules).message.required = true];
  // RTT is the round-trip time sent via this pinger.
  google.protobuf.Duration rtt = 2 [(validate.rules).duration.required = true];
  // Task update time.
  google.protobuf.Timestamp updated_at = 3 [(validate.rules).timestamp.required = true];
 }
 // ProbesOfHost represents probes information of the host.
 message ProbesOfHost {
  // Host metadata.
  common.Host host = 1 [(validate.rules).message.required = true];
  // Probes information.
  repeated Probe probes = 2 [(validate.rules).repeated = {min_items: 1, ignore_empty: true}];
 }
 // SyncProbesRequest represents request of SyncProbes.
 message SyncProbesRequest {
  // Probes information of the host.
  ProbesOfHost probes_of_host = 1 [(validate.rules).message.required = true];
 }
 // SyncProbesResponse represents response of SyncProbes.
 message SyncProbesResponse {
  // Hosts needs to be probed.
  repeated common.Host hosts = 1 [(validate.rules).repeated = {min_items: 1, ignore_empty: true}];
  // Probe interval.
  google.protobuf.Duration probe_interval = 2 [(validate.rules).duration.required = true];
 }
 // UpdateHostsRequest represents update hosts request of SyncNetworkTopologyRequest.
 message UpdateHostsRequest {
  // Hosts needs to be updated.
  repeated ProbesOfHost probes_of_hosts = 1 [(validate.rules).repeated = {min_items: 1}];
 }
 // DeleteHostsRequest represents delete hosts request of SyncNetworkTopologyRequest.
 message DeleteHostsRequest {
  // Hosts needs to be deleted.
  repeated ProbesOfHost probes_of_hosts = 1 [(validate.rules).repeated = {min_items: 1}];
 }
 // SyncProbesRequest represents request of SyncProbes.
 message SyncNetworkTopologyRequest {
  oneof request {
    option (validate.required) = true;
    UpdateHostsRequest update_probes_of_hosts_request = 1;
    DeleteHostsRequest delete_probes_of_hosts_request = 2;
  }
 }
 // Scheduler RPC Service.
 service Scheduler{
  // RegisterPeerTask registers a peer into task.
@ -393,4 +451,10 @@ service Scheduler{
  // LeaveHost makes the peers leaving from host.
  rpc LeaveHost(LeaveHostRequest)returns(google.protobuf.Empty);
  // SyncProbes sync probes of the host.
  rpc SyncProbes(stream SyncProbesRequest)returns(stream SyncProbesResponse);
  // SyncNetworkTopology sync network topology of the hosts.
  rpc SyncNetworkTopology(stream SyncNetworkTopologyRequest)returns(google.protobuf.Empty);
 }
--- a/pkg/apis/scheduler/v1/scheduler_grpc.pb.go
+++ b/pkg/apis/scheduler/v1/scheduler_grpc.pb.go
@ -39,6 +39,10 @@ type SchedulerClient interface {
 	AnnounceHost(ctx context.Context, in *AnnounceHostRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	// LeaveHost makes the peers leaving from host.
 	LeaveHost(ctx context.Context, in *LeaveHostRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	// SyncProbes sync probes of the host.
 	SyncProbes(ctx context.Context, opts ...grpc.CallOption) (Scheduler_SyncProbesClient, error)
 	// SyncNetworkTopology sync network topology of the hosts.
 	SyncNetworkTopology(ctx context.Context, opts ...grpc.CallOption) (Scheduler_SyncNetworkTopologyClient, error)
 }
 type schedulerClient struct {
@ -143,6 +147,71 @@ func (c *schedulerClient) LeaveHost(ctx context.Context, in *LeaveHostRequest, o
 	return out, nil
 }
 func (c *schedulerClient) SyncProbes(ctx context.Context, opts ...grpc.CallOption) (Scheduler_SyncProbesClient, error) {
 	stream, err := c.cc.NewStream(ctx, &Scheduler_ServiceDesc.Streams[1], "/scheduler.Scheduler/SyncProbes", opts...)
 	if err != nil {
 		return nil, err
 	}
 	x := &schedulerSyncProbesClient{stream}
 	return x, nil
 }
 type Scheduler_SyncProbesClient interface {
 	Send(*SyncProbesRequest) error
 	Recv() (*SyncProbesResponse, error)
 	grpc.ClientStream
 }
 type schedulerSyncProbesClient struct {
 	grpc.ClientStream
 }
 func (x *schedulerSyncProbesClient) Send(m *SyncProbesRequest) error {
 	return x.ClientStream.SendMsg(m)
 }
 func (x *schedulerSyncProbesClient) Recv() (*SyncProbesResponse, error) {
 	m := new(SyncProbesResponse)
 	if err := x.ClientStream.RecvMsg(m); err != nil {
 		return nil, err
 	}
 	return m, nil
 }
 func (c *schedulerClient) SyncNetworkTopology(ctx context.Context, opts ...grpc.CallOption) (Scheduler_SyncNetworkTopologyClient, error) {
 	stream, err := c.cc.NewStream(ctx, &Scheduler_ServiceDesc.Streams[2], "/scheduler.Scheduler/SyncNetworkTopology", opts...)
 	if err != nil {
 		return nil, err
 	}
 	x := &schedulerSyncNetworkTopologyClient{stream}
 	return x, nil
 }
 type Scheduler_SyncNetworkTopologyClient interface {
 	Send(*SyncNetworkTopologyRequest) error
 	CloseAndRecv() (*emptypb.Empty, error)
 	grpc.ClientStream
 }
 type schedulerSyncNetworkTopologyClient struct {
 	grpc.ClientStream
 }
 func (x *schedulerSyncNetworkTopologyClient) Send(m *SyncNetworkTopologyRequest) error {
 	return x.ClientStream.SendMsg(m)
 }
 func (x *schedulerSyncNetworkTopologyClient) CloseAndRecv() (*emptypb.Empty, error) {
 	if err := x.ClientStream.CloseSend(); err != nil {
 		return nil, err
 	}
 	m := new(emptypb.Empty)
 	if err := x.ClientStream.RecvMsg(m); err != nil {
 		return nil, err
 	}
 	return m, nil
 }
 // SchedulerServer is the server API for Scheduler service.
 // All implementations should embed UnimplementedSchedulerServer
 // for forward compatibility
@ -163,6 +232,10 @@ type SchedulerServer interface {
 	AnnounceHost(context.Context, *AnnounceHostRequest) (*emptypb.Empty, error)
 	// LeaveHost makes the peers leaving from host.
 	LeaveHost(context.Context, *LeaveHostRequest) (*emptypb.Empty, error)
 	// SyncProbes sync probes of the host.
 	SyncProbes(Scheduler_SyncProbesServer) error
 	// SyncNetworkTopology sync network topology of the hosts.
 	SyncNetworkTopology(Scheduler_SyncNetworkTopologyServer) error
 }
 // UnimplementedSchedulerServer should be embedded to have forward compatible implementations.
@ -193,6 +266,12 @@ func (UnimplementedSchedulerServer) AnnounceHost(context.Context, *AnnounceHostR
 func (UnimplementedSchedulerServer) LeaveHost(context.Context, *LeaveHostRequest) (*emptypb.Empty, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method LeaveHost not implemented")
 }
 func (UnimplementedSchedulerServer) SyncProbes(Scheduler_SyncProbesServer) error {
 	return status.Errorf(codes.Unimplemented, "method SyncProbes not implemented")
 }
 func (UnimplementedSchedulerServer) SyncNetworkTopology(Scheduler_SyncNetworkTopologyServer) error {
 	return status.Errorf(codes.Unimplemented, "method SyncNetworkTopology not implemented")
 }
 // UnsafeSchedulerServer may be embedded to opt out of forward compatibility for this service.
 // Use of this interface is not recommended, as added methods to SchedulerServer will
@ -357,6 +436,58 @@ func _Scheduler_LeaveHost_Handler(srv interface{}, ctx context.Context, dec func
 	return interceptor(ctx, in, info, handler)
 }
 func _Scheduler_SyncProbes_Handler(srv interface{}, stream grpc.ServerStream) error {
 	return srv.(SchedulerServer).SyncProbes(&schedulerSyncProbesServer{stream})
 }
 type Scheduler_SyncProbesServer interface {
 	Send(*SyncProbesResponse) error
 	Recv() (*SyncProbesRequest, error)
 	grpc.ServerStream
 }
 type schedulerSyncProbesServer struct {
 	grpc.ServerStream
 }
 func (x *schedulerSyncProbesServer) Send(m *SyncProbesResponse) error {
 	return x.ServerStream.SendMsg(m)
 }
 func (x *schedulerSyncProbesServer) Recv() (*SyncProbesRequest, error) {
 	m := new(SyncProbesRequest)
 	if err := x.ServerStream.RecvMsg(m); err != nil {
 		return nil, err
 	}
 	return m, nil
 }
 func _Scheduler_SyncNetworkTopology_Handler(srv interface{}, stream grpc.ServerStream) error {
 	return srv.(SchedulerServer).SyncNetworkTopology(&schedulerSyncNetworkTopologyServer{stream})
 }
 type Scheduler_SyncNetworkTopologyServer interface {
 	SendAndClose(*emptypb.Empty) error
 	Recv() (*SyncNetworkTopologyRequest, error)
 	grpc.ServerStream
 }
 type schedulerSyncNetworkTopologyServer struct {
 	grpc.ServerStream
 }
 func (x *schedulerSyncNetworkTopologyServer) SendAndClose(m *emptypb.Empty) error {
 	return x.ServerStream.SendMsg(m)
 }
 func (x *schedulerSyncNetworkTopologyServer) Recv() (*SyncNetworkTopologyRequest, error) {
 	m := new(SyncNetworkTopologyRequest)
 	if err := x.ServerStream.RecvMsg(m); err != nil {
 		return nil, err
 	}
 	return m, nil
 }
 // Scheduler_ServiceDesc is the grpc.ServiceDesc for Scheduler service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
@ -400,6 +531,17 @@ var Scheduler_ServiceDesc = grpc.ServiceDesc{
 			ServerStreams: true,
 			ClientStreams: true,
 		},
 		{
 			StreamName:    "SyncProbes",
 			Handler:       _Scheduler_SyncProbes_Handler,
 			ServerStreams: true,
 			ClientStreams: true,
 		},
 		{
 			StreamName:    "SyncNetworkTopology",
 			Handler:       _Scheduler_SyncNetworkTopology_Handler,
 			ClientStreams: true,
 		},
 	},
 	Metadata: "pkg/apis/scheduler/v1/scheduler.proto",
 }
--- a/pkg/apis/scheduler/v2/mocks/scheduler_mock.go
+++ b/pkg/apis/scheduler/v2/mocks/scheduler_mock.go
--- a/pkg/apis/scheduler/v2/scheduler.pb.go
+++ b/pkg/apis/scheduler/v2/scheduler.pb.go
--- a/pkg/apis/scheduler/v2/scheduler.pb.validate.go
+++ b/pkg/apis/scheduler/v2/scheduler.pb.validate.go
--- a/pkg/apis/scheduler/v2/scheduler.proto
+++ b/pkg/apis/scheduler/v2/scheduler.proto
@ -23,13 +23,14 @@ import "pkg/apis/errordetails/v2/errordetails.proto";
 import "validate/validate.proto";
 import "google/protobuf/empty.proto";
 import "google/protobuf/duration.proto";
 import "google/protobuf/timestamp.proto";
-option go_package = "d7y.io/api/v2/pkg/apis/scheduler/v2;scheduler";
+option go_package = "d7y.io/api/pkg/apis/scheduler/v2;scheduler";
 // RegisterPeerRequest represents peer registered request of AnnouncePeerRequest.
 message RegisterPeerRequest {
-  // Download information.
+  // Task metadata.
-  common.v2.Download download = 1 [(validate.rules).message.required = true];
+  common.v2.Metadata metadata = 1 [(validate.rules).message.required = true];
 }
 // DownloadPeerStartedRequest represents peer download started request of AnnouncePeerRequest.
@ -38,45 +39,24 @@ message DownloadPeerStartedRequest {
 // DownloadPeerBackToSourceStartedRequest represents peer download back-to-source started request of AnnouncePeerRequest.
 message DownloadPeerBackToSourceStartedRequest {
-  // The description of the back-to-source reason.
+  // Download back-to-source reason.
-  optional string description = 1 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
+  string reason = 1 [(validate.rules).string.min_len = 1];
 }
 // ReschedulePeerRequest represents reschedule request of AnnouncePeerRequest.
 message ReschedulePeerRequest {
  // Candidate parent ids.
  repeated common.v2.Peer candidate_parents = 1;
  // The description of the reschedule reason.
  optional string description = 2 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
 }
 // DownloadPeerFinishedRequest represents peer download finished request of AnnouncePeerRequest.
 message DownloadPeerFinishedRequest {
  // Total content length.
-  uint64 content_length = 1;
+  int64 content_length = 1 [(validate.rules).int64.gte = 0];
  // Total piece count.
-  uint32 piece_count = 2;
+  int64 piece_count = 2 [(validate.rules).int64.gte = 0];
 }
 // DownloadPeerBackToSourceFinishedRequest represents peer download back-to-source finished request of AnnouncePeerRequest.
 message DownloadPeerBackToSourceFinishedRequest {
  // Total content length.
-  uint64 content_length = 1;
+  int64 content_length = 1 [(validate.rules).int64.gte = 0];
  // Total piece count.
-  uint32 piece_count = 2;
+  int64 piece_count = 2 [(validate.rules).int64.gte = 0];
 }
 // DownloadPeerFailedRequest represents peer download failed request of AnnouncePeerRequest.
 message DownloadPeerFailedRequest {
  // The description of the download failed.
  optional string description = 1 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
 }
 // DownloadPeerBackToSourceFailedRequest represents peer download back-to-source failed request of AnnouncePeerRequest.
 message DownloadPeerBackToSourceFailedRequest {
  // The description of the download back-to-source failed.
  optional string description = 1 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
 }
 // DownloadPieceFinishedRequest represents piece download finished request of AnnouncePeerRequest.
@ -91,70 +71,56 @@ message DownloadPieceBackToSourceFinishedRequest {
  common.v2.Piece piece = 1 [(validate.rules).message.required = true];
 }
 // DownloadPieceFailedRequest downloads piece failed request of AnnouncePeerRequest.
 message DownloadPieceFailedRequest {
  // Piece number.
  optional uint32 piece_number = 1;
  // Parent id.
  string parent_id = 2 [(validate.rules).string.min_len = 1];
  // Temporary indicates whether the error is temporary.
  bool temporary = 3;
 }
 // DownloadPieceBackToSourceFailedRequest downloads piece back-to-source failed request of AnnouncePeerRequest.
 message DownloadPieceBackToSourceFailedRequest {
  // Piece number.
  optional uint32 piece_number = 1;
  oneof response {
    option (validate.required) = true;
    errordetails.v2.Backend backend = 2;
    errordetails.v2.Unknown unknown = 3;
  }
 }
 // AnnouncePeerRequest represents request of AnnouncePeer.
 message AnnouncePeerRequest {
  // Host id.
  string host_id = 1 [(validate.rules).string.min_len = 1];
  // Task id.
-  string task_id = 2 [(validate.rules).string.min_len = 1];
+  string task_id = 1 [(validate.rules).string.min_len = 1];
  // Peer id.
-  string peer_id = 3 [(validate.rules).string.min_len = 1];
+  string peer_id = 2 [(validate.rules).string.min_len = 1];
  oneof request {
    option (validate.required) = true;
-    RegisterPeerRequest register_peer_request = 4;
+    RegisterPeerRequest register_peer_request = 3;
-    DownloadPeerStartedRequest download_peer_started_request = 5;
+    DownloadPeerStartedRequest download_peer_started_request = 4;
-    DownloadPeerBackToSourceStartedRequest download_peer_back_to_source_started_request = 6;
+    DownloadPeerBackToSourceStartedRequest download_peer_back_to_source_started_request = 5;
-    ReschedulePeerRequest reschedule_peer_request = 7;
+    DownloadPeerFinishedRequest download_peer_finished_request = 6;
-    DownloadPeerFinishedRequest download_peer_finished_request = 8;
+    DownloadPeerBackToSourceFinishedRequest download_peer_back_to_source_finished_request = 7;
-    DownloadPeerBackToSourceFinishedRequest download_peer_back_to_source_finished_request = 9;
+    DownloadPieceFinishedRequest download_piece_finished_request = 8;
-    DownloadPeerFailedRequest download_peer_failed_request = 10;
+    DownloadPieceBackToSourceFinishedRequest download_piece_back_to_source_finished_request = 9;
-    DownloadPeerBackToSourceFailedRequest download_peer_back_to_source_failed_request = 11;
+  }
-    DownloadPieceFinishedRequest download_piece_finished_request = 12;
+
-    DownloadPieceBackToSourceFinishedRequest download_piece_back_to_source_finished_request = 13;
+  oneof errordetails {
-    DownloadPieceFailedRequest download_piece_failed_request = 14;
+    errordetails.v2.DownloadPeerBackToSourceFailed download_peer_back_to_source_failed = 10;
-    DownloadPieceBackToSourceFailedRequest download_piece_back_to_source_failed_request = 15;
+    errordetails.v2.DownloadPieceBackToSourceFailed download_piece_back_to_source_failed = 11;
    errordetails.v2.SyncPiecesFailed sync_pieces_failed = 12;
    errordetails.v2.DownloadPieceFailed download_piece_failed = 13;
  }
 }
-// EmptyTaskResponse represents empty task response of AnnouncePeerResponse.
+// TinyTaskResponse represents tiny task response of AnnouncePeerResponse.
-message EmptyTaskResponse {
+message TinyTaskResponse {
  bytes data = 1 [(validate.rules).bytes.min_len = 1];
 }
 // SmallTaskResponse represents small task response of AnnouncePeerResponse.
 message SmallTaskResponse {
  // Piece info.
  common.v2.Piece piece = 1 [(validate.rules).message.required = true];
 }
 // NormalTaskResponse represents normal task response of AnnouncePeerResponse.
 message NormalTaskResponse {
  // Candidate parents.
-  repeated common.v2.Peer candidate_parents = 1 [(validate.rules).repeated.min_items = 1];
+  repeated common.v2.Peer candidate_parents = 1 [(validate.rules).repeated = {min_items: 1}];
  // Concurrent downloading count from main peer.
  int32 parallel_count = 2 [(validate.rules).int32.gte = 1];
 }
 // NeedBackToSourceResponse represents need back-to-source response of AnnouncePeerResponse.
 message NeedBackToSourceResponse {
-  // The description of the back-to-source reason.
+  // Download back-to-source reason.
-  optional string description = 1 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
+  string reason = 1 [(validate.rules).string.min_len = 1];
 }
 // AnnouncePeerResponse represents response of AnnouncePeer.
@ -162,235 +128,251 @@ message AnnouncePeerResponse {
  oneof response {
    option (validate.required) = true;
-    EmptyTaskResponse empty_task_response = 1;
+    TinyTaskResponse tiny_task_response = 1;
-    NormalTaskResponse normal_task_response = 2;
+    SmallTaskResponse small_task_response = 2;
-    NeedBackToSourceResponse need_back_to_source_response = 3;
+    NormalTaskResponse normal_task_response = 3;
    NeedBackToSourceResponse need_back_to_source_response = 4;
  }
  oneof errordetails {
    errordetails.v2.SchedulePeerForbidden schedule_peer_forbidden = 5;
    errordetails.v2.SchedulePeerFailed schedule_peer_failed = 6;
  }
 }
 // StatPeerRequest represents request of StatPeer.
 message StatPeerRequest {
  // Host id.
  string host_id = 1 [(validate.rules).string.min_len = 1];
  // Task id.
-  string task_id = 2 [(validate.rules).string.min_len = 1];
+  string task_id = 1 [(validate.rules).string.min_len = 1];
  // Peer id.
-  string peer_id = 3 [(validate.rules).string.min_len = 1];
+  string peer_id = 2 [(validate.rules).string.min_len = 1];
 }
-// DeletePeerRequest represents request of DeletePeer.
+// TODO exchange peer request definition.
-message DeletePeerRequest {
+// ExchangePeerRequest represents request of ExchangePeer.
-  // Host id.
+message ExchangePeerRequest {
  string host_id = 1 [(validate.rules).string.min_len = 1];
  // Task id.
-  string task_id = 2 [(validate.rules).string.min_len = 1];
+  string task_id = 1 [(validate.rules).string.min_len = 1];
  // Peer id.
-  string peer_id = 3 [(validate.rules).string.min_len = 1];
+  string peer_id = 2 [(validate.rules).string.min_len = 1];
 }
 // TODO exchange peer response definition.
 // ExchangePeerResponse represents response of ExchangePeer.
 message ExchangePeerResponse {
 }
 // LeavePeerRequest represents request of LeavePeer.
 message LeavePeerRequest {
  // Task id.
  string task_id = 1 [(validate.rules).string.min_len = 1];
  // Peer id.
  string peer_id = 2 [(validate.rules).string.min_len = 1];
 }
 // StatTaskRequest represents request of StatTask.
 message StatTaskRequest {
  // Host id.
  string host_id = 1 [(validate.rules).string.min_len = 1];
  // Task id.
-  string task_id = 2 [(validate.rules).string.min_len = 1];
+  string id = 1 [(validate.rules).string.min_len = 1];
 }
 // DeleteTaskRequest represents request of DeleteTask.
 message DeleteTaskRequest {
  // Host id.
  string host_id = 1 [(validate.rules).string.min_len = 1];
  // Task id.
  string task_id = 2 [(validate.rules).string.min_len = 1];
 }
 // AnnounceHostRequest represents request of AnnounceHost.
 message AnnounceHostRequest {
-  // Host info.
+  // Host id.
  string id = 1 [(validate.rules).string.min_len = 1];
  // Host type.
  uint32 type = 2 [(validate.rules).uint32.lte = 3];
  // Hostname.
  string hostname = 3 [(validate.rules).string.min_len = 1];
  // Host ip.
  string ip = 4 [(validate.rules).string.ip = true];
  // Port of grpc service.
  int32 port = 5 [(validate.rules).int32 = {gte: 1024, lt: 65535}];
  // Port of download server.
  int32 download_port = 6 [(validate.rules).int32 = {gte: 1024, lt: 65535}];
  // Host OS.
  string os = 7;
  // Host platform.
  string platform = 8;
  // Host platform family.
  string platform_family = 9;
  // Host platform version.
  string platform_version = 10;
  // Host kernel version.
  string kernel_version = 11;
  // CPU Stat.
  CPU cpu = 12 [(validate.rules).message.required = true];
  // Memory Stat.
  Memory memory = 13 [(validate.rules).message.required = true];
  // Network Stat.
  Network network = 14 [(validate.rules).message.required = true];
  // Disk Stat.
  Disk disk = 15 [(validate.rules).message.required = true];
  // Build information.
  Build build = 16 [(validate.rules).message.required = true];
 }
 // CPU Stat.
 message CPU {
  // Number of logical cores in the system.
  uint32 logical_count = 1;
  // Number of physical cores in the system
  uint32 physical_count = 2;
  // Percent calculates the percentage of cpu used.
  double percent = 3 [(validate.rules).double = {gte: 0, lte: 100}];
  // Calculates the percentage of cpu used by process.
  double process_percent = 4 [(validate.rules).double = {gte: 0, lte: 100}];
  // CPUTimes contains the amounts of time the CPU has spent performing different kinds of work.
  CPUTimes times = 5 [(validate.rules).message.required = true];
 }
 // CPUTimes contains the amounts of time the CPU has spent performing different
 // kinds of work. Time units are in seconds.
 message CPUTimes {
  // CPU time of user.
  double user = 1 [(validate.rules).double.gte = 0];
  // CPU time of system.
  double system = 2 [(validate.rules).double.gte = 0];
  // CPU time of idle.
  double idle = 3 [(validate.rules).double.gte = 0];
  // CPU time of nice.
  double nice = 4 [(validate.rules).double.gte = 0];
  // CPU time of iowait.
  double iowait = 5 [(validate.rules).double.gte = 0];
  // CPU time of irq.
  double irq = 6 [(validate.rules).double.gte = 0];
  // CPU time of softirq.
  double softirq = 7 [(validate.rules).double.gte = 0];
  // CPU time of steal.
  double steal = 8 [(validate.rules).double.gte = 0];
  // CPU time of guest.
  double guest = 9 [(validate.rules).double.gte = 0];
  // CPU time of guest nice.
  double guest_nice = 10 [(validate.rules).double.gte = 0];
 }
 // Memory Stat.
 message Memory {
  // Total amount of RAM on this system.
  uint64 total = 1;
  // RAM available for programs to allocate.
  uint64 available = 2;
  // RAM used by programs.
  uint64 used = 3;
  // Percentage of RAM used by programs.
  double used_percent = 4 [(validate.rules).double = {gte: 0, lte: 100}];
  // Calculates the percentage of memory used by process.
  double process_used_percent = 5 [(validate.rules).double = {gte: 0, lte: 100}];
  // This is the kernel's notion of free memory.
  uint64 free = 6;
 }
 // Network Stat.
 message Network {
  // Return count of tcp connections opened and status is ESTABLISHED.
  uint32 tcp_connection_count = 1;
  // Return count of upload tcp connections opened and status is ESTABLISHED.
  uint32 upload_tcp_connection_count = 2;
  // Security domain for network.
  string security_domain = 3;
  // Location path(area|country|province|city|...).
  string location = 4;
  // IDC where the peer host is located
  string idc = 5;
 }
 // Disk Stat.
 message Disk {
  // Total amount of disk on the data path of dragonfly.
  uint64 total = 1;
  // Free amount of disk on the data path of dragonfly.
  uint64 free = 2;
  // Used amount of disk on the data path of dragonfly.
  uint64 used = 3;
  // Used percent of disk on the data path of dragonfly directory.
  double used_percent = 4 [(validate.rules).double = {gte: 0, lte: 100}];
  // Total amount of indoes on the data path of dragonfly directory.
  uint64 inodes_total = 5;
  // Used amount of indoes on the data path of dragonfly directory.
  uint64 inodes_used = 6;
  // Free amount of indoes on the data path of dragonfly directory.
  uint64 inodes_free = 7;
  // Used percent of indoes on the data path of dragonfly directory.
  double inodes_used_percent = 8 [(validate.rules).double = {gte: 0, lte: 100}];
 }
 // Build information.
 message Build {
  // Git version.
  string git_version = 1;
  // Git commit.
  string git_commit = 2;
  // Golang version.
  string go_version = 3;
  // Build platform.
  string platform = 4;
 }
 // LeaveHostRequest represents request of LeaveHost.
 message LeaveHostRequest{
  // Host id.
  string id = 1 [(validate.rules).string.min_len = 1];
 }
 // Probe information.
 message Probe {
  // Host metadata.
  common.v2.Host host = 1 [(validate.rules).message.required = true];
-  // The interval between dfdaemon announces to scheduler.
+  // RTT is the round-trip time sent via this pinger.
-  optional google.protobuf.Duration interval = 2;
+  google.protobuf.Duration rtt = 2 [(validate.rules).duration.required = true];
  // Task update time.
  google.protobuf.Timestamp updated_at = 3 [(validate.rules).timestamp.required = true];
 }
-// ListHostsResponse represents response of ListHosts.
+// ProbesOfHost represents probes information of the host.
-message ListHostsResponse {
+message ProbesOfHost {
-  // Hosts info.
+  // Host metadata.
-  repeated common.v2.Host hosts = 1;
+  common.v2.Host host = 1 [(validate.rules).message.required = true];
  // Probes information.
  repeated Probe probes = 2 [(validate.rules).repeated = {min_items: 1, ignore_empty: true}];
 }
-// DeleteHostRequest represents request of DeleteHost.
+// SyncProbesRequest represents request of SyncProbes.
-message DeleteHostRequest{
+message SyncProbesRequest {
-  // Host id.
+  // Probes information of the host.
-  string host_id = 1 [(validate.rules).string.min_len = 1];
+  ProbesOfHost probes_of_host = 1 [(validate.rules).message.required = true];
 }
-// RegisterPersistentCachePeerRequest represents persistent cache peer registered request of AnnouncePersistentCachePeerRequest.
+// SyncProbesResponse represents response of SyncProbes.
-message RegisterPersistentCachePeerRequest {
+message SyncProbesResponse {
-  // Persistent represents whether the persistent cache task is persistent.
+  // Hosts needs to be probed.
-  // If the persistent cache task is persistent, the persistent cache peer will
+  repeated common.v2.Host hosts = 1 [(validate.rules).repeated = {min_items: 1, ignore_empty: true}];
-  // not be deleted when dfdaemon runs garbage collection.
+  // Probe interval.
-  bool persistent = 1;
+  google.protobuf.Duration probe_interval = 2 [(validate.rules).duration.required = true];
  // Tag is used to distinguish different persistent cache tasks.
  optional string tag = 2;
  // Application of task.
  optional string application = 3;
  // Task piece length, the value needs to be greater than or equal to 4194304(4MiB)
  uint64 piece_length = 4 [(validate.rules).uint64.gte = 4194304];
  // File path to be exported.
  optional string output_path = 5 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
  // Download timeout.
  optional google.protobuf.Duration timeout = 6;
 }
-// DownloadPersistentCachePeerStartedRequest represents persistent cache peer download started request of AnnouncePersistentCachePeerRequest.
+// UpdateHostsRequest represents update hosts request of SyncNetworkTopologyRequest.
-message DownloadPersistentCachePeerStartedRequest {
+message UpdateHostsRequest {
  // Hosts needs to be updated.
  repeated ProbesOfHost probes_of_hosts = 1 [(validate.rules).repeated = {min_items: 1}];
 }
-// ReschedulePersistentCachePeerRequest represents reschedule request of AnnouncePersistentCachePeerRequest.
+// DeleteHostsRequest represents delete hosts request of SyncNetworkTopologyRequest.
-message ReschedulePersistentCachePeerRequest {
+message DeleteHostsRequest {
-  // Candidate parent ids.
+  // Hosts needs to be deleted.
-  repeated common.v2.PersistentCachePeer candidate_parents = 1;
+  repeated ProbesOfHost probes_of_hosts = 1 [(validate.rules).repeated = {min_items: 1}];
  // The description of the reschedule reason.
  optional string description = 2 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
 }
-// DownloadPersistentCachePeerFinishedRequest represents persistent cache peer download finished request of AnnouncePersistentCachePeerRequest.
+// SyncProbesRequest represents request of SyncProbes.
-message DownloadPersistentCachePeerFinishedRequest {
+message SyncNetworkTopologyRequest {
  // Total piece count.
  uint32 piece_count = 1;
 }
 // DownloadPersistentCachePeerFailedRequest represents persistent cache peer download failed request of AnnouncePersistentCachePeerRequest.
 message DownloadPersistentCachePeerFailedRequest {
  // The description of the download failed.
  optional string description = 1 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
 }
 // AnnouncePersistentCachePeerRequest represents request of AnnouncePersistentCachePeer.
 message AnnouncePersistentCachePeerRequest {
  // Host id.
  string host_id = 1 [(validate.rules).string.min_len = 1];
  // Task id.
  string task_id = 2 [(validate.rules).string.min_len = 1];
  // Peer id.
  string peer_id = 3 [(validate.rules).string.min_len = 1];
  oneof request {
    option (validate.required) = true;
-    RegisterPersistentCachePeerRequest register_persistent_cache_peer_request = 4;
+    UpdateHostsRequest update_probes_of_hosts_request = 1;
-    DownloadPersistentCachePeerStartedRequest download_persistent_cache_peer_started_request = 5;
+    DeleteHostsRequest delete_probes_of_hosts_request = 2;
    ReschedulePersistentCachePeerRequest reschedule_persistent_cache_peer_request = 6;
    DownloadPersistentCachePeerFinishedRequest download_persistent_cache_peer_finished_request = 7;
    DownloadPersistentCachePeerFailedRequest download_persistent_cache_peer_failed_request = 8;
    DownloadPieceFinishedRequest download_piece_finished_request = 9;
    DownloadPieceFailedRequest download_piece_failed_request = 10;
  }
 }
 // EmptyPersistentCacheTaskResponse represents empty persistent cache task response of AnnouncePersistentCachePeerResponse.
 message EmptyPersistentCacheTaskResponse {
 }
 // NormalPersistentCacheTaskResponse represents normal persistent cache task response of AnnouncePersistentCachePeerResponse.
 message NormalPersistentCacheTaskResponse {
  // Candidate parents.
  repeated common.v2.PersistentCachePeer candidate_parents = 1 [(validate.rules).repeated.min_items = 1];
 }
 // AnnouncePersistentCachePeerResponse represents response of AnnouncePersistentCachePeer.
 message AnnouncePersistentCachePeerResponse {
  oneof response {
    option (validate.required) = true;
    EmptyPersistentCacheTaskResponse empty_persistent_cache_task_response = 1;
    NormalPersistentCacheTaskResponse normal_persistent_cache_task_response = 2;
  }
 }
 // StatPersistentCachePeerRequest represents request of StatPersistentCachePeer.
 message StatPersistentCachePeerRequest {
  // Host id.
  string host_id = 1 [(validate.rules).string.min_len = 1];
  // Task id.
  string task_id = 2 [(validate.rules).string.min_len = 1];
  // Peer id.
  string peer_id = 3 [(validate.rules).string.min_len = 1];
 }
 // DeletePersistentCachePeerRequest represents request of DeletePersistentCachePeer.
 message DeletePersistentCachePeerRequest {
  // Host id.
  string host_id = 1 [(validate.rules).string.min_len = 1];
  // Task id.
  string task_id = 2 [(validate.rules).string.min_len = 1];
  // Peer id.
  string peer_id = 3 [(validate.rules).string.min_len = 1];
 }
 // UploadPersistentCacheTaskStartedRequest represents upload persistent cache task started request of UploadPersistentCacheTaskStartedRequest.
 message UploadPersistentCacheTaskStartedRequest {
  // Host id.
  string host_id = 1 [(validate.rules).string.min_len = 1];
  // Task id.
  string task_id = 2 [(validate.rules).string.min_len = 1];
  // Peer id.
  string peer_id = 3 [(validate.rules).string.min_len = 1];
  // Replica count of the persistent cache task.
  uint64 persistent_replica_count = 4 [(validate.rules).uint64.gte = 1];
  // Tag is used to distinguish different persistent cache tasks.
  optional string tag = 5;
  // Application of task.
  optional string application = 6;
  // Task piece length, the value needs to be greater than or equal to 4194304(4MiB)
  uint64 piece_length = 7 [(validate.rules).uint64.gte = 4194304];
  // Task content length.
  uint64 content_length = 8;
  // Task piece count.
  uint32 piece_count = 9;
  // TTL of the persistent cache task.
  google.protobuf.Duration ttl = 10 [(validate.rules).duration = {gte:{seconds: 300}, lte:{seconds: 604800}}];
 }
 // UploadPersistentCacheTaskFinishedRequest represents upload persistent cache task finished request of UploadPersistentCacheTaskFinishedRequest.
 message UploadPersistentCacheTaskFinishedRequest {
  // Host id.
  string host_id = 1 [(validate.rules).string.min_len = 1];
  // Task id.
  string task_id = 2 [(validate.rules).string.min_len = 1];
  // Peer id.
  string peer_id = 3 [(validate.rules).string.min_len = 1];
 }
 // UploadPersistentCacheTaskFailedRequest represents upload persistent cache task failed request of UploadPersistentCacheTaskFailedRequest.
 message UploadPersistentCacheTaskFailedRequest {
  // Host id.
  string host_id = 1 [(validate.rules).string.min_len = 1];
  // Task id.
  string task_id = 2 [(validate.rules).string.min_len = 1];
  // Peer id.
  string peer_id = 3 [(validate.rules).string.min_len = 1];
  // The description of the upload failed.
  optional string description = 4 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
 }
 // StatPersistentCacheTaskRequest represents request of StatPersistentCacheTask.
 message StatPersistentCacheTaskRequest {
  // Host id.
  string host_id = 1 [(validate.rules).string.min_len = 1];
  // Task id.
  string task_id = 2 [(validate.rules).string.min_len = 1];
 }
 // DeletePersistentCacheTaskRequest represents request of DeletePersistentCacheTask.
 message DeletePersistentCacheTaskRequest {
  // Host id.
  string host_id = 1 [(validate.rules).string.min_len = 1];
  // Task id.
  string task_id = 2 [(validate.rules).string.min_len = 1];
 }
 // Scheduler RPC Service.
 service Scheduler{
  // AnnouncePeer announces peer to scheduler.
@ -399,45 +381,25 @@ service Scheduler {
  // Checks information of peer.
  rpc StatPeer(StatPeerRequest)returns(common.v2.Peer);
-  // DeletePeer releases peer in scheduler.
+  // LeavePeer releases peer in scheduler.
-  rpc DeletePeer(DeletePeerRequest)returns(google.protobuf.Empty);
+  rpc LeavePeer(LeavePeerRequest)returns(google.protobuf.Empty);
  // TODO exchange peer api definition.
  // ExchangePeer exchanges peer information.
  rpc ExchangePeer(ExchangePeerRequest)returns(ExchangePeerResponse);
  // Checks information of task.
  rpc StatTask(StatTaskRequest)returns(common.v2.Task);
  // DeleteTask releases task in scheduler.
  rpc DeleteTask(DeleteTaskRequest)returns(google.protobuf.Empty);
  // AnnounceHost announces host to scheduler.
  rpc AnnounceHost(AnnounceHostRequest)returns(google.protobuf.Empty);
-  // ListHosts lists hosts in scheduler.
+  // LeaveHost releases host in scheduler.
-  rpc ListHosts(google.protobuf.Empty)returns(ListHostsResponse);
+  rpc LeaveHost(LeaveHostRequest)returns(google.protobuf.Empty);
-  // DeleteHost releases host in scheduler.
+  // SyncProbes sync probes of the host.
-  rpc DeleteHost(DeleteHostRequest)returns(google.protobuf.Empty);
+  rpc SyncProbes(stream SyncProbesRequest)returns(stream SyncProbesResponse);
-  // AnnouncePersistentCachePeer announces persistent cache peer to scheduler.
+  // SyncNetworkTopology sync network topology of the hosts.
-  rpc AnnouncePersistentCachePeer(stream AnnouncePersistentCachePeerRequest) returns(stream AnnouncePersistentCachePeerResponse);
+  rpc SyncNetworkTopology(stream SyncNetworkTopologyRequest)returns(google.protobuf.Empty);
  // Checks information of persistent cache peer.
  rpc StatPersistentCachePeer(StatPersistentCachePeerRequest)returns(common.v2.PersistentCachePeer);
  // DeletePersistentCachePeer releases persistent cache peer in scheduler.
  rpc DeletePersistentCachePeer(DeletePersistentCachePeerRequest)returns(google.protobuf.Empty);
  // UploadPersistentCacheTaskStarted uploads persistent cache task started to scheduler.
  rpc UploadPersistentCacheTaskStarted(UploadPersistentCacheTaskStartedRequest)returns(google.protobuf.Empty);
  // UploadPersistentCacheTaskFinished uploads persistent cache task finished to scheduler.
  rpc UploadPersistentCacheTaskFinished(UploadPersistentCacheTaskFinishedRequest)returns(common.v2.PersistentCacheTask);
  // UploadPersistentCacheTaskFailed uploads persistent cache task failed to scheduler.
  rpc UploadPersistentCacheTaskFailed(UploadPersistentCacheTaskFailedRequest)returns(google.protobuf.Empty);
  // Checks information of persistent cache task.
  rpc StatPersistentCacheTask(StatPersistentCacheTaskRequest)returns(common.v2.PersistentCacheTask);
  // DeletePersistentCacheTask releases persistent cache task in scheduler.
  rpc DeletePersistentCacheTask(DeletePersistentCacheTaskRequest)returns(google.protobuf.Empty);
 }
--- a/pkg/apis/scheduler/v2/scheduler_grpc.pb.go
+++ b/pkg/apis/scheduler/v2/scheduler_grpc.pb.go
@ -8,7 +8,7 @@ package scheduler
 import (
 	context "context"
-	v2 "d7y.io/api/v2/pkg/apis/common/v2"
+	v2 "d7y.io/api/pkg/apis/common/v2"
 	grpc "google.golang.org/grpc"
 	codes "google.golang.org/grpc/codes"
 	status "google.golang.org/grpc/status"
@ -28,34 +28,21 @@ type SchedulerClient interface {
 	AnnouncePeer(ctx context.Context, opts ...grpc.CallOption) (Scheduler_AnnouncePeerClient, error)
 	// Checks information of peer.
 	StatPeer(ctx context.Context, in *StatPeerRequest, opts ...grpc.CallOption) (*v2.Peer, error)
-	// DeletePeer releases peer in scheduler.
+	// LeavePeer releases peer in scheduler.
-	DeletePeer(ctx context.Context, in *DeletePeerRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
+	LeavePeer(ctx context.Context, in *LeavePeerRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	// TODO exchange peer api definition.
 	// ExchangePeer exchanges peer information.
 	ExchangePeer(ctx context.Context, in *ExchangePeerRequest, opts ...grpc.CallOption) (*ExchangePeerResponse, error)
 	// Checks information of task.
 	StatTask(ctx context.Context, in *StatTaskRequest, opts ...grpc.CallOption) (*v2.Task, error)
 	// DeleteTask releases task in scheduler.
 	DeleteTask(ctx context.Context, in *DeleteTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	// AnnounceHost announces host to scheduler.
 	AnnounceHost(ctx context.Context, in *AnnounceHostRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
-	// ListHosts lists hosts in scheduler.
+	// LeaveHost releases host in scheduler.
-	ListHosts(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*ListHostsResponse, error)
+	LeaveHost(ctx context.Context, in *LeaveHostRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
-	// DeleteHost releases host in scheduler.
+	// SyncProbes sync probes of the host.
-	DeleteHost(ctx context.Context, in *DeleteHostRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
+	SyncProbes(ctx context.Context, opts ...grpc.CallOption) (Scheduler_SyncProbesClient, error)
-	// AnnouncePersistentCachePeer announces persistent cache peer to scheduler.
+	// SyncNetworkTopology sync network topology of the hosts.
-	AnnouncePersistentCachePeer(ctx context.Context, opts ...grpc.CallOption) (Scheduler_AnnouncePersistentCachePeerClient, error)
+	SyncNetworkTopology(ctx context.Context, opts ...grpc.CallOption) (Scheduler_SyncNetworkTopologyClient, error)
 	// Checks information of persistent cache peer.
 	StatPersistentCachePeer(ctx context.Context, in *StatPersistentCachePeerRequest, opts ...grpc.CallOption) (*v2.PersistentCachePeer, error)
 	// DeletePersistentCachePeer releases persistent cache peer in scheduler.
 	DeletePersistentCachePeer(ctx context.Context, in *DeletePersistentCachePeerRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	// UploadPersistentCacheTaskStarted uploads persistent cache task started to scheduler.
 	UploadPersistentCacheTaskStarted(ctx context.Context, in *UploadPersistentCacheTaskStartedRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	// UploadPersistentCacheTaskFinished uploads persistent cache task finished to scheduler.
 	UploadPersistentCacheTaskFinished(ctx context.Context, in *UploadPersistentCacheTaskFinishedRequest, opts ...grpc.CallOption) (*v2.PersistentCacheTask, error)
 	// UploadPersistentCacheTaskFailed uploads persistent cache task failed to scheduler.
 	UploadPersistentCacheTaskFailed(ctx context.Context, in *UploadPersistentCacheTaskFailedRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	// Checks information of persistent cache task.
 	StatPersistentCacheTask(ctx context.Context, in *StatPersistentCacheTaskRequest, opts ...grpc.CallOption) (*v2.PersistentCacheTask, error)
 	// DeletePersistentCacheTask releases persistent cache task in scheduler.
 	DeletePersistentCacheTask(ctx context.Context, in *DeletePersistentCacheTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 }
 type schedulerClient struct {
@ -106,9 +93,18 @@ func (c *schedulerClient) StatPeer(ctx context.Context, in *StatPeerRequest, opt
 	return out, nil
 }
-func (c *schedulerClient) DeletePeer(ctx context.Context, in *DeletePeerRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
+func (c *schedulerClient) LeavePeer(ctx context.Context, in *LeavePeerRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	out := new(emptypb.Empty)
-	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/DeletePeer", in, out, opts...)
+	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/LeavePeer", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 func (c *schedulerClient) ExchangePeer(ctx context.Context, in *ExchangePeerRequest, opts ...grpc.CallOption) (*ExchangePeerResponse, error) {
 	out := new(ExchangePeerResponse)
 	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/ExchangePeer", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@ -124,15 +120,6 @@ func (c *schedulerClient) StatTask(ctx context.Context, in *StatTaskRequest, opt
 	return out, nil
 }
 func (c *schedulerClient) DeleteTask(ctx context.Context, in *DeleteTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	out := new(emptypb.Empty)
 	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/DeleteTask", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 func (c *schedulerClient) AnnounceHost(ctx context.Context, in *AnnounceHostRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	out := new(emptypb.Empty)
 	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/AnnounceHost", in, out, opts...)
@ -142,116 +129,78 @@ func (c *schedulerClient) AnnounceHost(ctx context.Context, in *AnnounceHostRequ
 	return out, nil
 }
-func (c *schedulerClient) ListHosts(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*ListHostsResponse, error) {
+func (c *schedulerClient) LeaveHost(ctx context.Context, in *LeaveHostRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	out := new(ListHostsResponse)
 	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/ListHosts", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 func (c *schedulerClient) DeleteHost(ctx context.Context, in *DeleteHostRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	out := new(emptypb.Empty)
-	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/DeleteHost", in, out, opts...)
+	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/LeaveHost", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
-func (c *schedulerClient) AnnouncePersistentCachePeer(ctx context.Context, opts ...grpc.CallOption) (Scheduler_AnnouncePersistentCachePeerClient, error) {
+func (c *schedulerClient) SyncProbes(ctx context.Context, opts ...grpc.CallOption) (Scheduler_SyncProbesClient, error) {
-	stream, err := c.cc.NewStream(ctx, &Scheduler_ServiceDesc.Streams[1], "/scheduler.v2.Scheduler/AnnouncePersistentCachePeer", opts...)
+	stream, err := c.cc.NewStream(ctx, &Scheduler_ServiceDesc.Streams[1], "/scheduler.v2.Scheduler/SyncProbes", opts...)
 	if err != nil {
 		return nil, err
 	}
-	x := &schedulerAnnouncePersistentCachePeerClient{stream}
+	x := &schedulerSyncProbesClient{stream}
 	return x, nil
 }
-type Scheduler_AnnouncePersistentCachePeerClient interface {
+type Scheduler_SyncProbesClient interface {
-	Send(*AnnouncePersistentCachePeerRequest) error
+	Send(*SyncProbesRequest) error
-	Recv() (*AnnouncePersistentCachePeerResponse, error)
+	Recv() (*SyncProbesResponse, error)
 	grpc.ClientStream
 }
-type schedulerAnnouncePersistentCachePeerClient struct {
+type schedulerSyncProbesClient struct {
 	grpc.ClientStream
 }
-func (x *schedulerAnnouncePersistentCachePeerClient) Send(m *AnnouncePersistentCachePeerRequest) error {
+func (x *schedulerSyncProbesClient) Send(m *SyncProbesRequest) error {
 	return x.ClientStream.SendMsg(m)
 }
-func (x *schedulerAnnouncePersistentCachePeerClient) Recv() (*AnnouncePersistentCachePeerResponse, error) {
+func (x *schedulerSyncProbesClient) Recv() (*SyncProbesResponse, error) {
-	m := new(AnnouncePersistentCachePeerResponse)
+	m := new(SyncProbesResponse)
 	if err := x.ClientStream.RecvMsg(m); err != nil {
 		return nil, err
 	}
 	return m, nil
 }
-func (c *schedulerClient) StatPersistentCachePeer(ctx context.Context, in *StatPersistentCachePeerRequest, opts ...grpc.CallOption) (*v2.PersistentCachePeer, error) {
+func (c *schedulerClient) SyncNetworkTopology(ctx context.Context, opts ...grpc.CallOption) (Scheduler_SyncNetworkTopologyClient, error) {
-	out := new(v2.PersistentCachePeer)
+	stream, err := c.cc.NewStream(ctx, &Scheduler_ServiceDesc.Streams[2], "/scheduler.v2.Scheduler/SyncNetworkTopology", opts...)
 	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/StatPersistentCachePeer", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
-	return out, nil
+	x := &schedulerSyncNetworkTopologyClient{stream}
 	return x, nil
 }
-func (c *schedulerClient) DeletePersistentCachePeer(ctx context.Context, in *DeletePersistentCachePeerRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
+type Scheduler_SyncNetworkTopologyClient interface {
-	out := new(emptypb.Empty)
+	Send(*SyncNetworkTopologyRequest) error
-	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/DeletePersistentCachePeer", in, out, opts...)
+	CloseAndRecv() (*emptypb.Empty, error)
-	if err != nil {
+	grpc.ClientStream
 		return nil, err
 	}
 	return out, nil
 }
-func (c *schedulerClient) UploadPersistentCacheTaskStarted(ctx context.Context, in *UploadPersistentCacheTaskStartedRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
+type schedulerSyncNetworkTopologyClient struct {
-	out := new(emptypb.Empty)
+	grpc.ClientStream
 	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/UploadPersistentCacheTaskStarted", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
-func (c *schedulerClient) UploadPersistentCacheTaskFinished(ctx context.Context, in *UploadPersistentCacheTaskFinishedRequest, opts ...grpc.CallOption) (*v2.PersistentCacheTask, error) {
+func (x *schedulerSyncNetworkTopologyClient) Send(m *SyncNetworkTopologyRequest) error {
-	out := new(v2.PersistentCacheTask)
+	return x.ClientStream.SendMsg(m)
 	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/UploadPersistentCacheTaskFinished", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
-func (c *schedulerClient) UploadPersistentCacheTaskFailed(ctx context.Context, in *UploadPersistentCacheTaskFailedRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
+func (x *schedulerSyncNetworkTopologyClient) CloseAndRecv() (*emptypb.Empty, error) {
-	out := new(emptypb.Empty)
+	if err := x.ClientStream.CloseSend(); err != nil {
 	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/UploadPersistentCacheTaskFailed", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
-	return out, nil
+	m := new(emptypb.Empty)
-}
+	if err := x.ClientStream.RecvMsg(m); err != nil {
 func (c *schedulerClient) StatPersistentCacheTask(ctx context.Context, in *StatPersistentCacheTaskRequest, opts ...grpc.CallOption) (*v2.PersistentCacheTask, error) {
 	out := new(v2.PersistentCacheTask)
 	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/StatPersistentCacheTask", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
-	return out, nil
+	return m, nil
 }
 func (c *schedulerClient) DeletePersistentCacheTask(ctx context.Context, in *DeletePersistentCacheTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	out := new(emptypb.Empty)
 	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/DeletePersistentCacheTask", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 // SchedulerServer is the server API for Scheduler service.
@ -262,34 +211,21 @@ type SchedulerServer interface {
 	AnnouncePeer(Scheduler_AnnouncePeerServer) error
 	// Checks information of peer.
 	StatPeer(context.Context, *StatPeerRequest) (*v2.Peer, error)
-	// DeletePeer releases peer in scheduler.
+	// LeavePeer releases peer in scheduler.
-	DeletePeer(context.Context, *DeletePeerRequest) (*emptypb.Empty, error)
+	LeavePeer(context.Context, *LeavePeerRequest) (*emptypb.Empty, error)
 	// TODO exchange peer api definition.
 	// ExchangePeer exchanges peer information.
 	ExchangePeer(context.Context, *ExchangePeerRequest) (*ExchangePeerResponse, error)
 	// Checks information of task.
 	StatTask(context.Context, *StatTaskRequest) (*v2.Task, error)
 	// DeleteTask releases task in scheduler.
 	DeleteTask(context.Context, *DeleteTaskRequest) (*emptypb.Empty, error)
 	// AnnounceHost announces host to scheduler.
 	AnnounceHost(context.Context, *AnnounceHostRequest) (*emptypb.Empty, error)
-	// ListHosts lists hosts in scheduler.
+	// LeaveHost releases host in scheduler.
-	ListHosts(context.Context, *emptypb.Empty) (*ListHostsResponse, error)
+	LeaveHost(context.Context, *LeaveHostRequest) (*emptypb.Empty, error)
-	// DeleteHost releases host in scheduler.
+	// SyncProbes sync probes of the host.
-	DeleteHost(context.Context, *DeleteHostRequest) (*emptypb.Empty, error)
+	SyncProbes(Scheduler_SyncProbesServer) error
-	// AnnouncePersistentCachePeer announces persistent cache peer to scheduler.
+	// SyncNetworkTopology sync network topology of the hosts.
-	AnnouncePersistentCachePeer(Scheduler_AnnouncePersistentCachePeerServer) error
+	SyncNetworkTopology(Scheduler_SyncNetworkTopologyServer) error
 	// Checks information of persistent cache peer.
 	StatPersistentCachePeer(context.Context, *StatPersistentCachePeerRequest) (*v2.PersistentCachePeer, error)
 	// DeletePersistentCachePeer releases persistent cache peer in scheduler.
 	DeletePersistentCachePeer(context.Context, *DeletePersistentCachePeerRequest) (*emptypb.Empty, error)
 	// UploadPersistentCacheTaskStarted uploads persistent cache task started to scheduler.
 	UploadPersistentCacheTaskStarted(context.Context, *UploadPersistentCacheTaskStartedRequest) (*emptypb.Empty, error)
 	// UploadPersistentCacheTaskFinished uploads persistent cache task finished to scheduler.
 	UploadPersistentCacheTaskFinished(context.Context, *UploadPersistentCacheTaskFinishedRequest) (*v2.PersistentCacheTask, error)
 	// UploadPersistentCacheTaskFailed uploads persistent cache task failed to scheduler.
 	UploadPersistentCacheTaskFailed(context.Context, *UploadPersistentCacheTaskFailedRequest) (*emptypb.Empty, error)
 	// Checks information of persistent cache task.
 	StatPersistentCacheTask(context.Context, *StatPersistentCacheTaskRequest) (*v2.PersistentCacheTask, error)
 	// DeletePersistentCacheTask releases persistent cache task in scheduler.
 	DeletePersistentCacheTask(context.Context, *DeletePersistentCacheTaskRequest) (*emptypb.Empty, error)
 }
 // UnimplementedSchedulerServer should be embedded to have forward compatible implementations.
@ -302,47 +238,26 @@ func (UnimplementedSchedulerServer) AnnouncePeer(Scheduler_AnnouncePeerServer) e
 func (UnimplementedSchedulerServer) StatPeer(context.Context, *StatPeerRequest) (*v2.Peer, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method StatPeer not implemented")
 }
-func (UnimplementedSchedulerServer) DeletePeer(context.Context, *DeletePeerRequest) (*emptypb.Empty, error) {
+func (UnimplementedSchedulerServer) LeavePeer(context.Context, *LeavePeerRequest) (*emptypb.Empty, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method DeletePeer not implemented")
+	return nil, status.Errorf(codes.Unimplemented, "method LeavePeer not implemented")
 }
 func (UnimplementedSchedulerServer) ExchangePeer(context.Context, *ExchangePeerRequest) (*ExchangePeerResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method ExchangePeer not implemented")
 }
 func (UnimplementedSchedulerServer) StatTask(context.Context, *StatTaskRequest) (*v2.Task, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method StatTask not implemented")
 }
 func (UnimplementedSchedulerServer) DeleteTask(context.Context, *DeleteTaskRequest) (*emptypb.Empty, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method DeleteTask not implemented")
 }
 func (UnimplementedSchedulerServer) AnnounceHost(context.Context, *AnnounceHostRequest) (*emptypb.Empty, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method AnnounceHost not implemented")
 }
-func (UnimplementedSchedulerServer) ListHosts(context.Context, *emptypb.Empty) (*ListHostsResponse, error) {
+func (UnimplementedSchedulerServer) LeaveHost(context.Context, *LeaveHostRequest) (*emptypb.Empty, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method ListHosts not implemented")
+	return nil, status.Errorf(codes.Unimplemented, "method LeaveHost not implemented")
 }
-func (UnimplementedSchedulerServer) DeleteHost(context.Context, *DeleteHostRequest) (*emptypb.Empty, error) {
+func (UnimplementedSchedulerServer) SyncProbes(Scheduler_SyncProbesServer) error {
-	return nil, status.Errorf(codes.Unimplemented, "method DeleteHost not implemented")
+	return status.Errorf(codes.Unimplemented, "method SyncProbes not implemented")
 }
-func (UnimplementedSchedulerServer) AnnouncePersistentCachePeer(Scheduler_AnnouncePersistentCachePeerServer) error {
+func (UnimplementedSchedulerServer) SyncNetworkTopology(Scheduler_SyncNetworkTopologyServer) error {
-	return status.Errorf(codes.Unimplemented, "method AnnouncePersistentCachePeer not implemented")
+	return status.Errorf(codes.Unimplemented, "method SyncNetworkTopology not implemented")
 }
 func (UnimplementedSchedulerServer) StatPersistentCachePeer(context.Context, *StatPersistentCachePeerRequest) (*v2.PersistentCachePeer, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method StatPersistentCachePeer not implemented")
 }
 func (UnimplementedSchedulerServer) DeletePersistentCachePeer(context.Context, *DeletePersistentCachePeerRequest) (*emptypb.Empty, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method DeletePersistentCachePeer not implemented")
 }
 func (UnimplementedSchedulerServer) UploadPersistentCacheTaskStarted(context.Context, *UploadPersistentCacheTaskStartedRequest) (*emptypb.Empty, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method UploadPersistentCacheTaskStarted not implemented")
 }
 func (UnimplementedSchedulerServer) UploadPersistentCacheTaskFinished(context.Context, *UploadPersistentCacheTaskFinishedRequest) (*v2.PersistentCacheTask, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method UploadPersistentCacheTaskFinished not implemented")
 }
 func (UnimplementedSchedulerServer) UploadPersistentCacheTaskFailed(context.Context, *UploadPersistentCacheTaskFailedRequest) (*emptypb.Empty, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method UploadPersistentCacheTaskFailed not implemented")
 }
 func (UnimplementedSchedulerServer) StatPersistentCacheTask(context.Context, *StatPersistentCacheTaskRequest) (*v2.PersistentCacheTask, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method StatPersistentCacheTask not implemented")
 }
 func (UnimplementedSchedulerServer) DeletePersistentCacheTask(context.Context, *DeletePersistentCacheTaskRequest) (*emptypb.Empty, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method DeletePersistentCacheTask not implemented")
 }
 // UnsafeSchedulerServer may be embedded to opt out of forward compatibility for this service.
@ -400,20 +315,38 @@ func _Scheduler_StatPeer_Handler(srv interface{}, ctx context.Context, dec func(
 	return interceptor(ctx, in, info, handler)
 }
-func _Scheduler_DeletePeer_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+func _Scheduler_LeavePeer_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(DeletePeerRequest)
+	in := new(LeavePeerRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
-		return srv.(SchedulerServer).DeletePeer(ctx, in)
+		return srv.(SchedulerServer).LeavePeer(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: "/scheduler.v2.Scheduler/DeletePeer",
+		FullMethod: "/scheduler.v2.Scheduler/LeavePeer",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SchedulerServer).DeletePeer(ctx, req.(*DeletePeerRequest))
+		return srv.(SchedulerServer).LeavePeer(ctx, req.(*LeavePeerRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 func _Scheduler_ExchangePeer_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(ExchangePeerRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(SchedulerServer).ExchangePeer(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/scheduler.v2.Scheduler/ExchangePeer",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(SchedulerServer).ExchangePeer(ctx, req.(*ExchangePeerRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
@ -436,24 +369,6 @@ func _Scheduler_StatTask_Handler(srv interface{}, ctx context.Context, dec func(
 	return interceptor(ctx, in, info, handler)
 }
 func _Scheduler_DeleteTask_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(DeleteTaskRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(SchedulerServer).DeleteTask(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/scheduler.v2.Scheduler/DeleteTask",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(SchedulerServer).DeleteTask(ctx, req.(*DeleteTaskRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 func _Scheduler_AnnounceHost_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(AnnounceHostRequest)
 	if err := dec(in); err != nil {
@ -472,192 +387,74 @@ func _Scheduler_AnnounceHost_Handler(srv interface{}, ctx context.Context, dec f
 	return interceptor(ctx, in, info, handler)
 }
-func _Scheduler_ListHosts_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+func _Scheduler_LeaveHost_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(emptypb.Empty)
+	in := new(LeaveHostRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
-		return srv.(SchedulerServer).ListHosts(ctx, in)
+		return srv.(SchedulerServer).LeaveHost(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: "/scheduler.v2.Scheduler/ListHosts",
+		FullMethod: "/scheduler.v2.Scheduler/LeaveHost",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SchedulerServer).ListHosts(ctx, req.(*emptypb.Empty))
+		return srv.(SchedulerServer).LeaveHost(ctx, req.(*LeaveHostRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
-func _Scheduler_DeleteHost_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+func _Scheduler_SyncProbes_Handler(srv interface{}, stream grpc.ServerStream) error {
-	in := new(DeleteHostRequest)
+	return srv.(SchedulerServer).SyncProbes(&schedulerSyncProbesServer{stream})
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(SchedulerServer).DeleteHost(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/scheduler.v2.Scheduler/DeleteHost",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(SchedulerServer).DeleteHost(ctx, req.(*DeleteHostRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
-func _Scheduler_AnnouncePersistentCachePeer_Handler(srv interface{}, stream grpc.ServerStream) error {
+type Scheduler_SyncProbesServer interface {
-	return srv.(SchedulerServer).AnnouncePersistentCachePeer(&schedulerAnnouncePersistentCachePeerServer{stream})
+	Send(*SyncProbesResponse) error
-}
+	Recv() (*SyncProbesRequest, error)
 type Scheduler_AnnouncePersistentCachePeerServer interface {
 	Send(*AnnouncePersistentCachePeerResponse) error
 	Recv() (*AnnouncePersistentCachePeerRequest, error)
 	grpc.ServerStream
 }
-type schedulerAnnouncePersistentCachePeerServer struct {
+type schedulerSyncProbesServer struct {
 	grpc.ServerStream
 }
-func (x *schedulerAnnouncePersistentCachePeerServer) Send(m *AnnouncePersistentCachePeerResponse) error {
+func (x *schedulerSyncProbesServer) Send(m *SyncProbesResponse) error {
 	return x.ServerStream.SendMsg(m)
 }
-func (x *schedulerAnnouncePersistentCachePeerServer) Recv() (*AnnouncePersistentCachePeerRequest, error) {
+func (x *schedulerSyncProbesServer) Recv() (*SyncProbesRequest, error) {
-	m := new(AnnouncePersistentCachePeerRequest)
+	m := new(SyncProbesRequest)
 	if err := x.ServerStream.RecvMsg(m); err != nil {
 		return nil, err
 	}
 	return m, nil
 }
-func _Scheduler_StatPersistentCachePeer_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+func _Scheduler_SyncNetworkTopology_Handler(srv interface{}, stream grpc.ServerStream) error {
-	in := new(StatPersistentCachePeerRequest)
+	return srv.(SchedulerServer).SyncNetworkTopology(&schedulerSyncNetworkTopologyServer{stream})
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(SchedulerServer).StatPersistentCachePeer(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/scheduler.v2.Scheduler/StatPersistentCachePeer",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(SchedulerServer).StatPersistentCachePeer(ctx, req.(*StatPersistentCachePeerRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
-func _Scheduler_DeletePersistentCachePeer_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+type Scheduler_SyncNetworkTopologyServer interface {
-	in := new(DeletePersistentCachePeerRequest)
+	SendAndClose(*emptypb.Empty) error
-	if err := dec(in); err != nil {
+	Recv() (*SyncNetworkTopologyRequest, error)
-		return nil, err
+	grpc.ServerStream
 	}
 	if interceptor == nil {
 		return srv.(SchedulerServer).DeletePersistentCachePeer(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/scheduler.v2.Scheduler/DeletePersistentCachePeer",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(SchedulerServer).DeletePersistentCachePeer(ctx, req.(*DeletePersistentCachePeerRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
-func _Scheduler_UploadPersistentCacheTaskStarted_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+type schedulerSyncNetworkTopologyServer struct {
-	in := new(UploadPersistentCacheTaskStartedRequest)
+	grpc.ServerStream
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(SchedulerServer).UploadPersistentCacheTaskStarted(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/scheduler.v2.Scheduler/UploadPersistentCacheTaskStarted",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(SchedulerServer).UploadPersistentCacheTaskStarted(ctx, req.(*UploadPersistentCacheTaskStartedRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
-func _Scheduler_UploadPersistentCacheTaskFinished_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+func (x *schedulerSyncNetworkTopologyServer) SendAndClose(m *emptypb.Empty) error {
-	in := new(UploadPersistentCacheTaskFinishedRequest)
+	return x.ServerStream.SendMsg(m)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(SchedulerServer).UploadPersistentCacheTaskFinished(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/scheduler.v2.Scheduler/UploadPersistentCacheTaskFinished",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(SchedulerServer).UploadPersistentCacheTaskFinished(ctx, req.(*UploadPersistentCacheTaskFinishedRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
-func _Scheduler_UploadPersistentCacheTaskFailed_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+func (x *schedulerSyncNetworkTopologyServer) Recv() (*SyncNetworkTopologyRequest, error) {
-	in := new(UploadPersistentCacheTaskFailedRequest)
+	m := new(SyncNetworkTopologyRequest)
-	if err := dec(in); err != nil {
+	if err := x.ServerStream.RecvMsg(m); err != nil {
 		return nil, err
 	}
-	if interceptor == nil {
+	return m, nil
 		return srv.(SchedulerServer).UploadPersistentCacheTaskFailed(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/scheduler.v2.Scheduler/UploadPersistentCacheTaskFailed",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(SchedulerServer).UploadPersistentCacheTaskFailed(ctx, req.(*UploadPersistentCacheTaskFailedRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 func _Scheduler_StatPersistentCacheTask_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(StatPersistentCacheTaskRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(SchedulerServer).StatPersistentCacheTask(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/scheduler.v2.Scheduler/StatPersistentCacheTask",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(SchedulerServer).StatPersistentCacheTask(ctx, req.(*StatPersistentCacheTaskRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 func _Scheduler_DeletePersistentCacheTask_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(DeletePersistentCacheTaskRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(SchedulerServer).DeletePersistentCacheTask(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/scheduler.v2.Scheduler/DeletePersistentCacheTask",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(SchedulerServer).DeletePersistentCacheTask(ctx, req.(*DeletePersistentCacheTaskRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 // Scheduler_ServiceDesc is the grpc.ServiceDesc for Scheduler service.
@ -672,56 +469,24 @@ var Scheduler_ServiceDesc = grpc.ServiceDesc{
 			Handler:    _Scheduler_StatPeer_Handler,
 		},
 		{
-			MethodName: "DeletePeer",
+			MethodName: "LeavePeer",
-			Handler:    _Scheduler_DeletePeer_Handler,
+			Handler:    _Scheduler_LeavePeer_Handler,
 		},
 		{
 			MethodName: "ExchangePeer",
 			Handler:    _Scheduler_ExchangePeer_Handler,
 		},
 		{
 			MethodName: "StatTask",
 			Handler:    _Scheduler_StatTask_Handler,
 		},
 		{
 			MethodName: "DeleteTask",
 			Handler:    _Scheduler_DeleteTask_Handler,
 		},
 		{
 			MethodName: "AnnounceHost",
 			Handler:    _Scheduler_AnnounceHost_Handler,
 		},
 		{
-			MethodName: "ListHosts",
+			MethodName: "LeaveHost",
-			Handler:    _Scheduler_ListHosts_Handler,
+			Handler:    _Scheduler_LeaveHost_Handler,
 		},
 		{
 			MethodName: "DeleteHost",
 			Handler:    _Scheduler_DeleteHost_Handler,
 		},
 		{
 			MethodName: "StatPersistentCachePeer",
 			Handler:    _Scheduler_StatPersistentCachePeer_Handler,
 		},
 		{
 			MethodName: "DeletePersistentCachePeer",
 			Handler:    _Scheduler_DeletePersistentCachePeer_Handler,
 		},
 		{
 			MethodName: "UploadPersistentCacheTaskStarted",
 			Handler:    _Scheduler_UploadPersistentCacheTaskStarted_Handler,
 		},
 		{
 			MethodName: "UploadPersistentCacheTaskFinished",
 			Handler:    _Scheduler_UploadPersistentCacheTaskFinished_Handler,
 		},
 		{
 			MethodName: "UploadPersistentCacheTaskFailed",
 			Handler:    _Scheduler_UploadPersistentCacheTaskFailed_Handler,
 		},
 		{
 			MethodName: "StatPersistentCacheTask",
 			Handler:    _Scheduler_StatPersistentCacheTask_Handler,
 		},
 		{
 			MethodName: "DeletePersistentCacheTask",
 			Handler:    _Scheduler_DeletePersistentCacheTask_Handler,
 		},
 	},
 	Streams: []grpc.StreamDesc{
@ -732,11 +497,16 @@ var Scheduler_ServiceDesc = grpc.ServiceDesc{
 			ClientStreams: true,
 		},
 		{
-			StreamName:    "AnnouncePersistentCachePeer",
+			StreamName:    "SyncProbes",
-			Handler:       _Scheduler_AnnouncePersistentCachePeer_Handler,
+			Handler:       _Scheduler_SyncProbes_Handler,
 			ServerStreams: true,
 			ClientStreams: true,
 		},
 		{
 			StreamName:    "SyncNetworkTopology",
 			Handler:       _Scheduler_SyncNetworkTopology_Handler,
 			ClientStreams: true,
 		},
 	},
 	Metadata: "pkg/apis/scheduler/v2/scheduler.proto",
 }
--- a/pkg/apis/security/v1/security.pb.go
+++ b/pkg/apis/security/v1/security.pb.go
@ -0,0 +1,265 @@
 //
 //     Copyright 2022 The Dragonfly Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //      http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
 // 	protoc        v3.21.6
 // source: pkg/apis/security/v1/security.proto
 package security
 import (
 	_ "github.com/envoyproxy/protoc-gen-validate/validate"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	durationpb "google.golang.org/protobuf/types/known/durationpb"
 	reflect "reflect"
 	sync "sync"
 )
 const (
 	// Verify that this generated code is sufficiently up-to-date.
 	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
 	// Verify that runtime/protoimpl is sufficiently up-to-date.
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 // Certificate request type.
 // Dragonfly supports peers authentication with Mutual TLS(mTLS)
 // For mTLS, all peers need to request TLS certificates for communicating
 // The server side may overwrite ant requested certificate filed based on its policies.
 type CertificateRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 	// ASN.1 DER form certificate request.
 	// The public key in the CSR is used to generate the certificate,
 	// and other fields in the generated certificate may be overwritten by the CA.
 	Csr []byte `protobuf:"bytes,1,opt,name=csr,proto3" json:"csr,omitempty"`
 	// Optional: requested certificate validity period.
 	ValidityPeriod *durationpb.Duration `protobuf:"bytes,2,opt,name=validity_period,json=validityPeriod,proto3" json:"validity_period,omitempty"`
 }
 func (x *CertificateRequest) Reset() {
 	*x = CertificateRequest{}
 	if protoimpl.UnsafeEnabled {
 		mi := &file_pkg_apis_security_v1_security_proto_msgTypes[0]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
 }
 func (x *CertificateRequest) String() string {
 	return protoimpl.X.MessageStringOf(x)
 }
 func (*CertificateRequest) ProtoMessage() {}
 func (x *CertificateRequest) ProtoReflect() protoreflect.Message {
 	mi := &file_pkg_apis_security_v1_security_proto_msgTypes[0]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
 		}
 		return ms
 	}
 	return mi.MessageOf(x)
 }
 // Deprecated: Use CertificateRequest.ProtoReflect.Descriptor instead.
 func (*CertificateRequest) Descriptor() ([]byte, []int) {
 	return file_pkg_apis_security_v1_security_proto_rawDescGZIP(), []int{0}
 }
 func (x *CertificateRequest) GetCsr() []byte {
 	if x != nil {
 		return x.Csr
 	}
 	return nil
 }
 func (x *CertificateRequest) GetValidityPeriod() *durationpb.Duration {
 	if x != nil {
 		return x.ValidityPeriod
 	}
 	return nil
 }
 // Certificate response type.
 type CertificateResponse struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 	// ASN.1 DER form certificate chain.
 	CertificateChain [][]byte `protobuf:"bytes,1,rep,name=certificate_chain,json=certificateChain,proto3" json:"certificate_chain,omitempty"`
 }
 func (x *CertificateResponse) Reset() {
 	*x = CertificateResponse{}
 	if protoimpl.UnsafeEnabled {
 		mi := &file_pkg_apis_security_v1_security_proto_msgTypes[1]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
 }
 func (x *CertificateResponse) String() string {
 	return protoimpl.X.MessageStringOf(x)
 }
 func (*CertificateResponse) ProtoMessage() {}
 func (x *CertificateResponse) ProtoReflect() protoreflect.Message {
 	mi := &file_pkg_apis_security_v1_security_proto_msgTypes[1]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
 		}
 		return ms
 	}
 	return mi.MessageOf(x)
 }
 // Deprecated: Use CertificateResponse.ProtoReflect.Descriptor instead.
 func (*CertificateResponse) Descriptor() ([]byte, []int) {
 	return file_pkg_apis_security_v1_security_proto_rawDescGZIP(), []int{1}
 }
 func (x *CertificateResponse) GetCertificateChain() [][]byte {
 	if x != nil {
 		return x.CertificateChain
 	}
 	return nil
 }
 var File_pkg_apis_security_v1_security_proto protoreflect.FileDescriptor
 var file_pkg_apis_security_v1_security_proto_rawDesc = []byte{
 	0x0a, 0x23, 0x70, 0x6b, 0x67, 0x2f, 0x61, 0x70, 0x69, 0x73, 0x2f, 0x73, 0x65, 0x63, 0x75, 0x72,
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 	0x6f, 0x33,
 }
 var (
 	file_pkg_apis_security_v1_security_proto_rawDescOnce sync.Once
 	file_pkg_apis_security_v1_security_proto_rawDescData = file_pkg_apis_security_v1_security_proto_rawDesc
 )
 func file_pkg_apis_security_v1_security_proto_rawDescGZIP() []byte {
 	file_pkg_apis_security_v1_security_proto_rawDescOnce.Do(func() {
 		file_pkg_apis_security_v1_security_proto_rawDescData = protoimpl.X.CompressGZIP(file_pkg_apis_security_v1_security_proto_rawDescData)
 	})
 	return file_pkg_apis_security_v1_security_proto_rawDescData
 }
 var file_pkg_apis_security_v1_security_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
 var file_pkg_apis_security_v1_security_proto_goTypes = []interface{}{
 	(*CertificateRequest)(nil),  // 0: security.CertificateRequest
 	(*CertificateResponse)(nil), // 1: security.CertificateResponse
 	(*durationpb.Duration)(nil), // 2: google.protobuf.Duration
 }
 var file_pkg_apis_security_v1_security_proto_depIdxs = []int32{
 	2, // 0: security.CertificateRequest.validity_period:type_name -> google.protobuf.Duration
 	0, // 1: security.CertificateService.IssueCertificate:input_type -> security.CertificateRequest
 	1, // 2: security.CertificateService.IssueCertificate:output_type -> security.CertificateResponse
 	2, // [2:3] is the sub-list for method output_type
 	1, // [1:2] is the sub-list for method input_type
 	1, // [1:1] is the sub-list for extension type_name
 	1, // [1:1] is the sub-list for extension extendee
 	0, // [0:1] is the sub-list for field type_name
 }
 func init() { file_pkg_apis_security_v1_security_proto_init() }
 func file_pkg_apis_security_v1_security_proto_init() {
 	if File_pkg_apis_security_v1_security_proto != nil {
 		return
 	}
 	if !protoimpl.UnsafeEnabled {
 		file_pkg_apis_security_v1_security_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*CertificateRequest); i {
 			case 0:
 				return &v.state
 			case 1:
 				return &v.sizeCache
 			case 2:
 				return &v.unknownFields
 			default:
 				return nil
 			}
 		}
 		file_pkg_apis_security_v1_security_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*CertificateResponse); i {
 			case 0:
 				return &v.state
 			case 1:
 				return &v.sizeCache
 			case 2:
 				return &v.unknownFields
 			default:
 				return nil
 			}
 		}
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_pkg_apis_security_v1_security_proto_rawDesc,
 			NumEnums:      0,
 			NumMessages:   2,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
 		GoTypes:           file_pkg_apis_security_v1_security_proto_goTypes,
 		DependencyIndexes: file_pkg_apis_security_v1_security_proto_depIdxs,
 		MessageInfos:      file_pkg_apis_security_v1_security_proto_msgTypes,
 	}.Build()
 	File_pkg_apis_security_v1_security_proto = out.File
 	file_pkg_apis_security_v1_security_proto_rawDesc = nil
 	file_pkg_apis_security_v1_security_proto_goTypes = nil
 	file_pkg_apis_security_v1_security_proto_depIdxs = nil
 }
--- a/pkg/apis/security/v1/security.pb.validate.go
+++ b/pkg/apis/security/v1/security.pb.validate.go
@ -0,0 +1,273 @@
 // Code generated by protoc-gen-validate. DO NOT EDIT.
 // source: pkg/apis/security/v1/security.proto
 package security
 import (
 	"bytes"
 	"errors"
 	"fmt"
 	"net"
 	"net/mail"
 	"net/url"
 	"regexp"
 	"sort"
 	"strings"
 	"time"
 	"unicode/utf8"
 	"google.golang.org/protobuf/types/known/anypb"
 )
 // ensure the imports are used
 var (
 	_ = bytes.MinRead
 	_ = errors.New("")
 	_ = fmt.Print
 	_ = utf8.UTFMax
 	_ = (*regexp.Regexp)(nil)
 	_ = (*strings.Reader)(nil)
 	_ = net.IPv4len
 	_ = time.Duration(0)
 	_ = (*url.URL)(nil)
 	_ = (*mail.Address)(nil)
 	_ = anypb.Any{}
 	_ = sort.Sort
 )
 // Validate checks the field values on CertificateRequest with the rules
 // defined in the proto definition for this message. If any rules are
 // violated, the first error encountered is returned, or nil if there are no violations.
 func (m *CertificateRequest) Validate() error {
 	return m.validate(false)
 }
 // ValidateAll checks the field values on CertificateRequest with the rules
 // defined in the proto definition for this message. If any rules are
 // violated, the result is a list of violation errors wrapped in
 // CertificateRequestMultiError, or nil if none found.
 func (m *CertificateRequest) ValidateAll() error {
 	return m.validate(true)
 }
 func (m *CertificateRequest) validate(all bool) error {
 	if m == nil {
 		return nil
 	}
 	var errors []error
 	if len(m.GetCsr()) < 1 {
 		err := CertificateRequestValidationError{
 			field:  "Csr",
 			reason: "value length must be at least 1 bytes",
 		}
 		if !all {
 			return err
 		}
 		errors = append(errors, err)
 	}
 	if m.GetValidityPeriod() == nil {
 		err := CertificateRequestValidationError{
 			field:  "ValidityPeriod",
 			reason: "value is required",
 		}
 		if !all {
 			return err
 		}
 		errors = append(errors, err)
 	}
 	if len(errors) > 0 {
 		return CertificateRequestMultiError(errors)
 	}
 	return nil
 }
 // CertificateRequestMultiError is an error wrapping multiple validation errors
 // returned by CertificateRequest.ValidateAll() if the designated constraints
 // aren't met.
 type CertificateRequestMultiError []error
 // Error returns a concatenation of all the error messages it wraps.
 func (m CertificateRequestMultiError) Error() string {
 	var msgs []string
 	for _, err := range m {
 		msgs = append(msgs, err.Error())
 	}
 	return strings.Join(msgs, "; ")
 }
 // AllErrors returns a list of validation violation errors.
 func (m CertificateRequestMultiError) AllErrors() []error { return m }
 // CertificateRequestValidationError is the validation error returned by
 // CertificateRequest.Validate if the designated constraints aren't met.
 type CertificateRequestValidationError struct {
 	field  string
 	reason string
 	cause  error
 	key    bool
 }
 // Field function returns field value.
 func (e CertificateRequestValidationError) Field() string { return e.field }
 // Reason function returns reason value.
 func (e CertificateRequestValidationError) Reason() string { return e.reason }
 // Cause function returns cause value.
 func (e CertificateRequestValidationError) Cause() error { return e.cause }
 // Key function returns key value.
 func (e CertificateRequestValidationError) Key() bool { return e.key }
 // ErrorName returns error name.
 func (e CertificateRequestValidationError) ErrorName() string {
 	return "CertificateRequestValidationError"
 }
 // Error satisfies the builtin error interface
 func (e CertificateRequestValidationError) Error() string {
 	cause := ""
 	if e.cause != nil {
 		cause = fmt.Sprintf(" | caused by: %v", e.cause)
 	}
 	key := ""
 	if e.key {
 		key = "key for "
 	}
 	return fmt.Sprintf(
 		"invalid %sCertificateRequest.%s: %s%s",
 		key,
 		e.field,
 		e.reason,
 		cause)
 }
 var _ error = CertificateRequestValidationError{}
 var _ interface {
 	Field() string
 	Reason() string
 	Key() bool
 	Cause() error
 	ErrorName() string
 } = CertificateRequestValidationError{}
 // Validate checks the field values on CertificateResponse with the rules
 // defined in the proto definition for this message. If any rules are
 // violated, the first error encountered is returned, or nil if there are no violations.
 func (m *CertificateResponse) Validate() error {
 	return m.validate(false)
 }
 // ValidateAll checks the field values on CertificateResponse with the rules
 // defined in the proto definition for this message. If any rules are
 // violated, the result is a list of violation errors wrapped in
 // CertificateResponseMultiError, or nil if none found.
 func (m *CertificateResponse) ValidateAll() error {
 	return m.validate(true)
 }
 func (m *CertificateResponse) validate(all bool) error {
 	if m == nil {
 		return nil
 	}
 	var errors []error
 	if len(m.GetCertificateChain()) < 1 {
 		err := CertificateResponseValidationError{
 			field:  "CertificateChain",
 			reason: "value must contain at least 1 item(s)",
 		}
 		if !all {
 			return err
 		}
 		errors = append(errors, err)
 	}
 	if len(errors) > 0 {
 		return CertificateResponseMultiError(errors)
 	}
 	return nil
 }
 // CertificateResponseMultiError is an error wrapping multiple validation
 // errors returned by CertificateResponse.ValidateAll() if the designated
 // constraints aren't met.
 type CertificateResponseMultiError []error
 // Error returns a concatenation of all the error messages it wraps.
 func (m CertificateResponseMultiError) Error() string {
 	var msgs []string
 	for _, err := range m {
 		msgs = append(msgs, err.Error())
 	}
 	return strings.Join(msgs, "; ")
 }
 // AllErrors returns a list of validation violation errors.
 func (m CertificateResponseMultiError) AllErrors() []error { return m }
 // CertificateResponseValidationError is the validation error returned by
 // CertificateResponse.Validate if the designated constraints aren't met.
 type CertificateResponseValidationError struct {
 	field  string
 	reason string
 	cause  error
 	key    bool
 }
 // Field function returns field value.
 func (e CertificateResponseValidationError) Field() string { return e.field }
 // Reason function returns reason value.
 func (e CertificateResponseValidationError) Reason() string { return e.reason }
 // Cause function returns cause value.
 func (e CertificateResponseValidationError) Cause() error { return e.cause }
 // Key function returns key value.
 func (e CertificateResponseValidationError) Key() bool { return e.key }
 // ErrorName returns error name.
 func (e CertificateResponseValidationError) ErrorName() string {
 	return "CertificateResponseValidationError"
 }
 // Error satisfies the builtin error interface
 func (e CertificateResponseValidationError) Error() string {
 	cause := ""
 	if e.cause != nil {
 		cause = fmt.Sprintf(" | caused by: %v", e.cause)
 	}
 	key := ""
 	if e.key {
 		key = "key for "
 	}
 	return fmt.Sprintf(
 		"invalid %sCertificateResponse.%s: %s%s",
 		key,
 		e.field,
 		e.reason,
 		cause)
 }
 var _ error = CertificateResponseValidationError{}
 var _ interface {
 	Field() string
 	Reason() string
 	Key() bool
 	Cause() error
 	ErrorName() string
 } = CertificateResponseValidationError{}
--- a/pkg/apis/security/v1/security.proto
+++ b/pkg/apis/security/v1/security.proto
@ -0,0 +1,54 @@
 /*
 *     Copyright 2022 The Dragonfly Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 syntax = "proto3";
 package security;
 import "google/protobuf/duration.proto";
 import "validate/validate.proto";
 option go_package = "d7y.io/api/pkg/apis/security/v1;security";
 // Refer: https://github.com/istio/api/blob/master/security/v1alpha1/ca.proto
 // Istio defines similar api for signing certificate, but it's not applicable in Dragonfly.
 // Certificate request type.
 // Dragonfly supports peers authentication with Mutual TLS(mTLS)
 // For mTLS, all peers need to request TLS certificates for communicating
 // The server side may overwrite ant requested certificate filed based on its policies.
 message CertificateRequest {
  // ASN.1 DER form certificate request.
  // The public key in the CSR is used to generate the certificate,
  // and other fields in the generated certificate may be overwritten by the CA.
  bytes csr = 1 [(validate.rules).bytes.min_len = 1];
  // Optional: requested certificate validity period.
  google.protobuf.Duration validity_period = 2 [(validate.rules).duration.required = true];
 }
 // Certificate response type.
 message CertificateResponse {
  // ASN.1 DER form certificate chain.
  repeated bytes certificate_chain = 1 [(validate.rules).repeated.min_items = 1];
 }
 // Service for managing certificates issued by the CA.
 service CertificateService {
  // Using provided CSR, returns a signed certificate.
  rpc IssueCertificate(CertificateRequest)
      returns (CertificateResponse) {
  }
 }
--- a/pkg/apis/security/v1/security_grpc.pb.go
+++ b/pkg/apis/security/v1/security_grpc.pb.go
@ -0,0 +1,105 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
 // - protoc-gen-go-grpc v1.2.0
 // - protoc             v3.21.6
 // source: pkg/apis/security/v1/security.proto
 package security
 import (
 	context "context"
 	grpc "google.golang.org/grpc"
 	codes "google.golang.org/grpc/codes"
 	status "google.golang.org/grpc/status"
 )
 // This is a compile-time assertion to ensure that this generated file
 // is compatible with the grpc package it is being compiled against.
 // Requires gRPC-Go v1.32.0 or later.
 const _ = grpc.SupportPackageIsVersion7
 // CertificateServiceClient is the client API for CertificateService service.
 //
 // For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
 type CertificateServiceClient interface {
 	// Using provided CSR, returns a signed certificate.
 	IssueCertificate(ctx context.Context, in *CertificateRequest, opts ...grpc.CallOption) (*CertificateResponse, error)
 }
 type certificateServiceClient struct {
 	cc grpc.ClientConnInterface
 }
 func NewCertificateServiceClient(cc grpc.ClientConnInterface) CertificateServiceClient {
 	return &certificateServiceClient{cc}
 }
 func (c *certificateServiceClient) IssueCertificate(ctx context.Context, in *CertificateRequest, opts ...grpc.CallOption) (*CertificateResponse, error) {
 	out := new(CertificateResponse)
 	err := c.cc.Invoke(ctx, "/security.CertificateService/IssueCertificate", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 // CertificateServiceServer is the server API for CertificateService service.
 // All implementations should embed UnimplementedCertificateServiceServer
 // for forward compatibility
 type CertificateServiceServer interface {
 	// Using provided CSR, returns a signed certificate.
 	IssueCertificate(context.Context, *CertificateRequest) (*CertificateResponse, error)
 }
 // UnimplementedCertificateServiceServer should be embedded to have forward compatible implementations.
 type UnimplementedCertificateServiceServer struct {
 }
 func (UnimplementedCertificateServiceServer) IssueCertificate(context.Context, *CertificateRequest) (*CertificateResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method IssueCertificate not implemented")
 }
 // UnsafeCertificateServiceServer may be embedded to opt out of forward compatibility for this service.
 // Use of this interface is not recommended, as added methods to CertificateServiceServer will
 // result in compilation errors.
 type UnsafeCertificateServiceServer interface {
 	mustEmbedUnimplementedCertificateServiceServer()
 }
 func RegisterCertificateServiceServer(s grpc.ServiceRegistrar, srv CertificateServiceServer) {
 	s.RegisterService(&CertificateService_ServiceDesc, srv)
 }
 func _CertificateService_IssueCertificate_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(CertificateRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
 		return srv.(CertificateServiceServer).IssueCertificate(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
 		FullMethod: "/security.CertificateService/IssueCertificate",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(CertificateServiceServer).IssueCertificate(ctx, req.(*CertificateRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 // CertificateService_ServiceDesc is the grpc.ServiceDesc for CertificateService service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
 var CertificateService_ServiceDesc = grpc.ServiceDesc{
 	ServiceName: "security.CertificateService",
 	HandlerType: (*CertificateServiceServer)(nil),
 	Methods: []grpc.MethodDesc{
 		{
 			MethodName: "IssueCertificate",
 			Handler:    _CertificateService_IssueCertificate_Handler,
 		},
 	},
 	Streams:  []grpc.StreamDesc{},
 	Metadata: "pkg/apis/security/v1/security.proto",
 }
--- a/proto/common.proto
+++ b/proto/common.proto
@ -16,7 +16,7 @@
 syntax = "proto3";
-package common.v2;
+package common;
 import "google/protobuf/duration.proto";
 import "google/protobuf/timestamp.proto";
@ -38,24 +38,18 @@ enum SizeScope {
 // TaskType represents type of task.
 enum TaskType {
-  // STANDARD is standard type of task, it can download from source, remote peer and
+  // DFDAEMON is dfdeamon type of task,
-  // local peer(local cache). When the standard task is never downloaded in the
+  // dfdeamon task is a normal p2p task.
-  // P2P cluster, dfdaemon will download the task from the source. When the standard
+  DFDAEMON = 0;
  // task is downloaded in the P2P cluster, dfdaemon will download the task from
  // the remote peer or local peer(local cache).
  STANDARD = 0;
-  // PERSISTENT is persistent type of task, it can import file and export file in P2P cluster.
+  // DFCACHE is dfcache type of task,
-  // When the persistent task is imported into the P2P cluster, dfdaemon will store
+  // dfcache task is a cache task, and the task url is fake url.
-  // the task in the peer's disk and copy multiple replicas to remote peers to
+  // It can only be used for caching and cannot be downloaded back to source.
-  // prevent data loss.
+  DFCACHE = 1;
  PERSISTENT = 1;
-  // PERSISTENT_CACHE is persistent cache type of task, it can import file and export file in P2P cluster.
+  // DFSTORE is dfstore type of task,
-  // When the persistent cache task is imported into the P2P cluster, dfdaemon will store
+  // dfstore task is a persistent task in backend.
-  // the task in the peer's disk and copy multiple replicas to remote peers to prevent data loss.
+  DFSTORE = 2;
  // When the expiration time is reached, task will be deleted in the P2P cluster.
  PERSISTENT_CACHE = 2;
 }
 // TrafficType represents type of traffic.
@ -110,384 +104,96 @@ enum Priority {
 message Peer {
  // Peer id.
  string id = 1;
  // Range is url range of request.
  optional Range range = 2;
  // Peer priority.
  Priority priority = 3;
  // Pieces of peer.
-  repeated Piece pieces = 4;
+  repeated Piece pieces = 2;
  // Peer downloads costs time.
  google.protobuf.Duration cost = 5;
  // Peer state.
  string state = 6;
  // Task info.
-  Task task = 7;
+  Task task = 3;
  // Host info.
-  Host host = 8;
+  Host host = 4;
  // NeedBackToSource needs downloaded from source.
  bool need_back_to_source = 9;
  // Peer create time.
  google.protobuf.Timestamp created_at = 10;
  // Peer update time.
  google.protobuf.Timestamp updated_at = 11;
 }
 // PersistentCachePeer metadata.
 message PersistentCachePeer {
  // Peer id.
  string id = 1;
  // Persistent represents whether the persistent cache peer is persistent.
  // If the persistent cache peer is persistent, the persistent cache peer will
  // not be deleted when dfdaemon runs garbage collection. It only be deleted
  // when the task is deleted by the user.
  bool persistent = 2;
  // Peer downloads costs time.
  google.protobuf.Duration cost = 3;
  // Peer state.
-  string state = 4;
+  string state = 5;
  // Persistent task info.
  PersistentCacheTask task = 5;
  // Host info.
  Host host = 6;
  // Peer create time.
-  google.protobuf.Timestamp created_at = 7;
+  google.protobuf.Timestamp created_at = 6;
  // Peer update time.
-  google.protobuf.Timestamp updated_at = 8;
+  google.protobuf.Timestamp updated_at = 7;
 }
 // Task metadata.
 message Task {
  // Task id.
  string id = 1;
-  // Task type.
+  // Host type.
-  TaskType type = 2;
+  string type = 2;
  // Download url.
  string url = 3;
  // Verifies task data integrity after download using a digest. Supports CRC32, SHA256, and SHA512 algorithms.
  // Format: `<algorithm>:<hash>`, e.g., `crc32:xxx`, `sha256:yyy`, `sha512:zzz`.
  // Returns an error if the computed digest mismatches the expected value.
  //
  // Performance
  // Digest calculation increases processing time. Enable only when data integrity verification is critical.
  optional string digest = 4;
  // URL tag identifies different task for same url.
  optional string tag = 5;
  // Application of task.
  optional string application = 6;
  // Filtered query params to generate the task id.
  // When filter is ["Signature", "Expires", "ns"], for example:
  // http://example.com/xyz?Expires=e1&Signature=s1&ns=docker.io and http://example.com/xyz?Expires=e2&Signature=s2&ns=docker.io
  // will generate the same task id.
  // Default value includes the filtered query params of s3, gcs, oss, obs, cos.
  repeated string filtered_query_params = 7;
  // Task request headers.
  map<string, string> request_header = 8;
  // Task content length.
  uint64 content_length = 9;
  // Task piece count.
  uint32 piece_count = 10;
  // Task size scope.
-  SizeScope size_scope = 11;
+  SizeScope size_scope = 3;
  // Pieces of task.
-  repeated Piece pieces = 12;
+  repeated Piece pieces = 4;
  // Task state.
-  string state = 13;
+  string state = 5;
-  // Task peer count.
+  // Task metadata.
-  uint32 peer_count = 14;
+  Metadata metadata = 6;
  // Task contains available peer.
  bool has_available_peer = 15;
  // Task create time.
  google.protobuf.Timestamp created_at = 16;
  // Task update time.
  google.protobuf.Timestamp updated_at = 17;
 }
 // PersistentCacheTask metadata.
 message PersistentCacheTask {
  // Task id.
  string id = 1;
  // Replica count of the persistent cache task. The persistent cache task will
  // not be deleted when dfdamon runs garbage collection. It only be deleted
  // when the task is deleted by the user.
  uint64 persistent_replica_count = 2;
  // Current replica count of the persistent cache task. The persistent cache task
  // will not be deleted when dfdaemon runs garbage collection. It only be deleted
  // when the task is deleted by the user.
  uint64 current_persistent_replica_count = 3;
  // Current replica count of the cache task. If cache task is not persistent,
  // the persistent cache task will be deleted when dfdaemon runs garbage collection.
  uint64 current_replica_count = 4;
  // Tag is used to distinguish different persistent cache tasks.
  optional string tag = 5;
  // Application of task.
  optional string application = 6;
  // Task piece length.
  uint64 piece_length = 7;
  // Task content length.
-  uint64 content_length = 8;
+  int64 content_length = 7;
-  // Task piece count.
+  // Task peer count.
-  uint32 piece_count = 9;
+  int32 peer_count = 8;
-  // Task state.
+  // Task contains available peer.
-  string state = 10;
+  bool hasAvailablePeer = 9;
  // TTL of the persistent cache task.
  google.protobuf.Duration ttl = 11;
  // Task create time.
-  google.protobuf.Timestamp created_at = 12;
+  google.protobuf.Timestamp created_at = 10;
  // Task update time.
-  google.protobuf.Timestamp updated_at = 13;
+  google.protobuf.Timestamp updated_at = 11;
 }
 // Host metadata.
 message Host {
  // Host id.
  string id = 1;
  // Host type.
  uint32 type = 2;
  // Hostname.
  string hostname = 3;
  // Host ip.
-  string ip = 4;
+  string ip = 2;
  // Peer hostname.
  string hostname = 3;
  // Port of grpc service.
-  int32 port = 5;
+  int32 port = 4;
  // Port of download server.
-  int32 download_port = 6;
+  int32 download_port = 5;
-  // Host OS.
+  // Security domain for network.
-  string os = 7;
+  string security_domain = 6;
-  // Host platform.
+  // Host location(area, country, province, city, etc.).
-  string platform = 8;
+  repeated string location = 7;
-  // Host platform family.
+  // IDC where the peer host is located.
-  string platform_family = 9;
+  string idc = 8;
  // Host platform version.
  string platform_version = 10;
  // Host kernel version.
  string kernel_version = 11;
  // CPU Stat.
  optional CPU cpu = 12;
  // Memory Stat.
  optional Memory memory = 13;
  // Network Stat.
  optional Network network = 14;
  // Disk Stat.
  optional Disk disk = 15;
  // Build information.
  optional Build build = 16;
  // ID of the cluster to which the host belongs.
  uint64 scheduler_cluster_id = 17;
  // Disable shared data for other peers.
  bool disable_shared = 18;
 }
 // CPU Stat.
 message CPU {
  // Number of logical cores in the system.
  uint32 logical_count = 1;
  // Number of physical cores in the system
  uint32 physical_count = 2;
  // Percent calculates the percentage of cpu used.
  double percent = 3;
  // Calculates the percentage of cpu used by process.
  double process_percent = 4;
  // CPUTimes contains the amounts of time the CPU has spent performing different kinds of work.
  optional CPUTimes times = 5;
 }
 // CPUTimes contains the amounts of time the CPU has spent performing different
 // kinds of work. Time units are in seconds.
 message CPUTimes {
  // CPU time of user.
  double user = 1;
  // CPU time of system.
  double system = 2;
  // CPU time of idle.
  double idle = 3;
  // CPU time of nice.
  double nice = 4;
  // CPU time of iowait.
  double iowait = 5;
  // CPU time of irq.
  double irq = 6;
  // CPU time of softirq.
  double softirq = 7;
  // CPU time of steal.
  double steal = 8;
  // CPU time of guest.
  double guest = 9;
  // CPU time of guest nice.
  double guest_nice = 10;
 }
 // Memory Stat.
 message Memory {
  // Total amount of RAM on this system.
  uint64 total = 1;
  // RAM available for programs to allocate.
  uint64 available = 2;
  // RAM used by programs.
  uint64 used = 3;
  // Percentage of RAM used by programs.
  double used_percent = 4;
  // Calculates the percentage of memory used by process.
  double process_used_percent = 5;
  // This is the kernel's notion of free memory.
  uint64 free = 6;
 }
 // Network Stat.
 message Network {
  // Return count of tcp connections opened and status is ESTABLISHED.
  uint32 tcp_connection_count = 1;
  // Return count of upload tcp connections opened and status is ESTABLISHED.
  uint32 upload_tcp_connection_count = 2;
  // Location path(area|country|province|city|...).
  optional string location = 3;
  // IDC where the peer host is located
  optional string idc = 4;
  // Download rate is received bytes per second.
  uint64 download_rate = 5;
  // Download rate is the limit of received bytes per second.
  uint64 download_rate_limit = 6;
  // Upload rate is transmitted bytes per second.
  uint64 upload_rate = 7;
  // Upload rate is the limit of transmitted bytes per second.
  uint64 upload_rate_limit = 8;
 }
 // Disk Stat.
 message Disk {
  // Total amount of disk on the data path of dragonfly.
  uint64 total = 1;
  // Free amount of disk on the data path of dragonfly.
  uint64 free = 2;
  // Used amount of disk on the data path of dragonfly.
  uint64 used = 3;
  // Used percent of disk on the data path of dragonfly directory.
  double used_percent = 4;
  // Total amount of indoes on the data path of dragonfly directory.
  uint64 inodes_total = 5;
  // Used amount of indoes on the data path of dragonfly directory.
  uint64 inodes_used = 6;
  // Free amount of indoes on the data path of dragonfly directory.
  uint64 inodes_free = 7;
  // Used percent of indoes on the data path of dragonfly directory.
  double inodes_used_percent = 8;
  // Disk read bandwidth, in bytes per second.
  uint64 read_bandwidth = 9;
  // Disk write bandwidth, in bytes per second.
  uint64 write_bandwidth = 10;
 }
 // Build information.
 message Build {
  // Git version.
  string git_version = 1;
  // Git commit.
  optional string git_commit = 2;
  // Golang version.
  optional string go_version = 3;
  // Rust version.
  optional string rust_version = 4;
  // Build platform.
  optional string platform = 5;
 }
 // Download information.
 message Download {
  // Download url.
  string url = 1;
  // Digest of the task digest, for example :xxx or sha256:yyy.
  optional string digest = 2;
  // Range is url range of request. If protocol is http, range
  // will set in request header. If protocol is others, range
  // will set in range field.
  optional Range range = 3;
  // Task type.
  TaskType type = 4;
  // URL tag identifies different task for same url.
  optional string tag = 5;
  // Application of task.
  optional string application = 6;
  // Peer priority.
  Priority priority = 7;
  // Filtered query params to generate the task id.
  // When filter is ["Signature", "Expires", "ns"], for example:
  // http://example.com/xyz?Expires=e1&Signature=s1&ns=docker.io and http://example.com/xyz?Expires=e2&Signature=s2&ns=docker.io
  // will generate the same task id.
  // Default value includes the filtered query params of s3, gcs, oss, obs, cos.
  repeated string filtered_query_params = 8;
  // Task request headers.
  map<string, string> request_header = 9;
  // Task piece length.
  optional uint64 piece_length = 10;
  // File path to be downloaded. If output_path is set, the downloaded file will be saved to the specified path.
  // Dfdaemon will try to create hard link to the output path before starting the download. If hard link creation fails,
  // it will copy the file to the output path after the download is completed.
  // For more details refer to https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.
  optional string output_path = 11;
  // Download timeout.
  optional google.protobuf.Duration timeout = 12;
  // Dfdaemon cannot download the task from the source if disable_back_to_source is true.
  bool disable_back_to_source = 13;
  // Scheduler needs to schedule the task downloads from the source if need_back_to_source is true.
  bool need_back_to_source = 14;
  // certificate_chain is the client certs with DER format for the backend client to download back-to-source.
  repeated bytes certificate_chain = 15;
  // Prefetch pre-downloads all pieces of the task when the download task request is a range request.
  bool prefetch = 16;
  // Object storage protocol information.
  optional ObjectStorage object_storage = 17;
  // HDFS protocol information.
  optional HDFS hdfs = 18;
  // is_prefetch is the flag to indicate whether the request is a prefetch request.
  bool is_prefetch = 19;
  // need_piece_content is the flag to indicate whether the response needs to return piece content.
  bool need_piece_content = 20;
  // load_to_cache indicates whether the content downloaded will be stored in the cache storage.
  // Cache storage is designed to store downloaded piece content from preheat tasks, 
  // allowing other peers to access the content from memory instead of disk.
  bool load_to_cache = 21;
  // force_hard_link is the flag to indicate whether the download file must be hard linked to the output path.
  // For more details refer to https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.
  bool force_hard_link = 22;
  // content_for_calculating_task_id is the content used to calculate the task id.
  // If content_for_calculating_task_id is set, use its value to calculate the task ID.
  // Otherwise, calculate the task ID based on url, piece_length, tag, application, and filtered_query_params.
  optional string content_for_calculating_task_id = 23;
  // remote_ip represents the IP address of the client initiating the download request.
  // For proxy requests, it is set to the IP address of the request source.
  // For dfget requests, it is set to the IP address of the dfget.
  optional string remote_ip = 24;
 }
 // Object Storage related information.
 message ObjectStorage {
  // Region is the region of the object storage service.
  optional string region = 1;
  // Endpoint is the endpoint of the object storage service.
  optional string endpoint = 2;
  // Access key that used to access the object storage service.
  optional string access_key_id = 3;
  // Access secret that used to access the object storage service.
  optional string access_key_secret = 4;
  // Session token that used to access s3 storage service.
  optional string session_token = 5;
  // Local path to credential file for Google Cloud Storage service OAuth2 authentication.
  optional string credential_path = 6;
  // Predefined ACL that used for the Google Cloud Storage service.
  optional string predefined_acl = 7;
 }
 // HDFS related information.
 message HDFS {
  // Delegation token for Web HDFS operator.
  optional string delegation_token = 1;
 }
 // Range represents download range.
 message Range {
-  // Start of range.
+  // Begin of range.
-  uint64 start = 1;
+  uint64 begin = 1;
-  // Length of range.
+  // End of range.
-  uint64 length = 2;
+  uint64 end = 2;
 }
 // Metadata represents metadata of task.
 message Metadata {
  // Download url.
  string url = 1;
  // Digest of the pieces digest, for example md5:xxx or sha256:yyy.
  string digest = 2;
  // Range is url range of request.
  Range range = 3;
  // Task type.
  common.TaskType type = 4;
  // URL tag identifies different task for same url.
  string tag = 5;
  // Application of task.
  string application = 6;
  // Peer priority.
  Priority priority = 7;
  // Filter url used to generate task id.
  repeated string filters = 8;
  // Task request headers.
  map<string, string> header = 9;
  // Task piece size.
  int32 piece_size = 10;
 }
 // Piece represents information of piece.
@ -495,19 +201,27 @@ message Piece {
  // Piece number.
  uint32 number = 1;
 	// Parent peer id.
-  optional string parent_id = 2;
+  string parent_id = 2;
 	// Piece offset.
  uint64 offset = 3;
-  // Piece length.
+	// Piece size.
-  uint64 length = 4;
+  uint64 size = 4;
-  // Digest of the piece data, for example blake3:xxx or sha256:yyy.
+	// Digest of the piece data, for example md5:xxx or sha256:yyy.
  string digest = 5;
  // Piece content.
  optional bytes content = 6;
  // Traffic type.
-  optional TrafficType traffic_type = 7;
+  TrafficType traffic_type = 6;
  // Downloading piece costs time.
-  google.protobuf.Duration cost = 8;
+  google.protobuf.Duration cost = 7;
  // Piece create time.
-  google.protobuf.Timestamp created_at = 9;
+  google.protobuf.Timestamp created_at = 8;
 }
 // ExtendAttribute represents extend of attribution.
 message ExtendAttribute {
  // Task response header, eg: HTTP Response Header
  map<string, string> header = 1;
  // Task response code, eg: HTTP Status Code
  int32 status_code = 2;
  // Task response status, eg: HTTP Status
  string status = 3;
 }
--- a/proto/dfdaemon.proto
+++ b/proto/dfdaemon.proto
@ -16,394 +16,127 @@
 syntax = "proto3";
-package dfdaemon.v2;
+package dfdaemon;
 import "common.proto";
 import "errordetails.proto";
 import "google/protobuf/duration.proto";
 import "google/protobuf/empty.proto";
-// DownloadTaskRequest represents request of DownloadTask.
+// InterestedAllPiecesRequest represents interested all pieces request of SyncPiecesRequest.
-message DownloadTaskRequest {
+message InterestedAllPiecesRequest {
  // Download information.
  common.v2.Download download = 1;
 }
-// DownloadTaskStartedResponse represents task download started response of DownloadTaskResponse.
+// InterestedPiecesRequest represents interested pieces request of SyncPiecesRequest.
-message DownloadTaskStartedResponse {
+message InterestedPiecesRequest {
  // Task content length.
  uint64 content_length = 1;
  // Range is url range of request. If protocol is http, range
  // is parsed from http header. If other protocol, range comes
  // from download range field.
  optional common.v2.Range range = 2;
  // Task response headers.
  map<string, string> response_header = 3;
  // Need to download pieces.
  repeated common.v2.Piece pieces = 4;
 }
 // DownloadPieceFinishedResponse represents piece download finished response of DownloadTaskResponse.
 message DownloadPieceFinishedResponse {
  // Finished piece of task.
  common.v2.Piece piece = 1;
 }
 // DownloadTaskResponse represents response of DownloadTask.
 message DownloadTaskResponse {
  // Host id.
  string host_id = 1;
  // Task id.
  string task_id = 2;
  // Peer id.
  string peer_id = 3;
  oneof response {
    DownloadTaskStartedResponse download_task_started_response = 4;
    DownloadPieceFinishedResponse download_piece_finished_response = 5;
  }
 }
 // SyncPiecesRequest represents request of SyncPieces.
 message SyncPiecesRequest {
  // Host id.
  string host_id = 1;
  // Task id.
  string task_id = 2;
  // Interested piece numbers.
-  repeated uint32 interested_piece_numbers = 3;
+  repeated uint32 piece_numbers = 1;
 }
 // StatMetadata represents stat metadata request of SyncPiecesRequest.
 message StatMetadataRequest {
 }
 // SyncPiecesRequest represents request of AnnouncePeer.
 message SyncPiecesRequest{
  oneof request {
    InterestedAllPiecesRequest interested_all_pieces_request = 1;
    InterestedPiecesRequest interested_pieces_request = 2;
    StatMetadataRequest stat_metadata_request = 3;
  }
 }
 // InterestedPiecesResponse represents interested pieces response of SyncPiecesResponse.
 message InterestedPiecesResponse {
  // Interested pieces of task.
  repeated common.Piece pieces = 1;
 }
 // StatMetadata represents stat metadata request of SyncPiecesResponse.
 message StatMetadataResponse {
  // Task metadata.
  common.Metadata metadata = 1;
 }
 // SyncPiecesResponse represents response of SyncPieces.
 message SyncPiecesResponse {
-  // Exist piece number.
+  oneof response {
-  uint32 number = 1;
+    InterestedPiecesResponse interested_pieces_response = 1;
-  // Piece offset.
+    StatMetadataResponse stat_metadata_response = 2;
  uint64 offset = 2;
  // Piece length.
  uint64 length = 3;
  }
-// DownloadPieceRequest represents request of DownloadPiece.
+  oneof errordetails {
-message DownloadPieceRequest{
+    errordetails.SyncPiecesFailed sync_pieces_failed = 3;
-  // Host id.
+    errordetails.StatMetadataFailed stat_metadata_failed = 4;
-  string host_id = 1;
+  }
 }
 // TriggerTaskRequest represents request of TriggerTask.
 message TriggerTaskRequest {
  // Task id.
-  string task_id = 2;
+  string task_id = 1;
-  // Piece number.
+  // Task metadata.
-  uint32 piece_number = 3;
+  common.Metadata metadata = 2;
 }
 // DownloadPieceResponse represents response of DownloadPieces.
 message DownloadPieceResponse {
  // Piece information.
  common.v2.Piece piece = 1;
  // Piece metadata digest, it is used to verify the integrity of the piece metadata.
  optional string digest = 2;
 }
 // StatTaskRequest represents request of StatTask.
 message StatTaskRequest {
  // Task id.
  string task_id = 1;
  // Remote IP represents the IP address of the client initiating the stat request.
  optional string remote_ip = 2;
 }
-// ListTaskEntriesRequest represents request of ListTaskEntries.
+// StatTaskResponse represents response of StatTask.
-message ListTaskEntriesRequest {
+message StatTaskResponse {
-  // Task id.
+  common.Task task = 1;
  string task_id = 1;
  // URL to be listed the entries.
  string url = 2;
  // HTTP header to be sent with the request.
  map<string, string> request_header = 3;
  // List timeout.
  optional google.protobuf.Duration timeout = 4;
  // certificate_chain is the client certs with DER format for the backend client to list the entries.
  repeated bytes certificate_chain = 5;
  // Object storage protocol information.
  optional common.v2.ObjectStorage object_storage = 6;
  // HDFS protocol information.
  optional common.v2.HDFS hdfs = 7;
  // Remote IP represents the IP address of the client initiating the list request.
  optional string remote_ip = 8;
 }
-// ListTaskEntriesResponse represents response of ListTaskEntries.
+// ImportTaskRequest represents request of ImportTask.
-message ListTaskEntriesResponse {
+message ImportTaskRequest {
-  // Content length is the content length of the response
+  // Task metadata.
-  uint64 content_length = 1;
+  common.Metadata metadata = 1;
-  // HTTP header to be sent with the request.
+  // File path to be imported.
-  map<string, string> response_header = 2;
+  string path = 2;
  // Backend HTTP status code.
  optional int32 status_code = 3;
  /// Entries is the information of the entries in the directory.
  repeated Entry entries = 4;
 }
-// Entry represents an entry in a directory.
+// ExportTaskRequest represents request of ExportTask.
-message Entry {
+message ExportTaskRequest {
-  // URL of the entry.
+  // Task metadata.
-  string url = 1;
+  common.Metadata metadata = 1;
-  // Size of the entry.
+  // File path to be exported.
-  uint64 content_length = 2;
+  string path = 2;
-  // Is directory or not.
+  // Download timeout.
-  bool is_dir = 3;
+  google.protobuf.Duration timeout = 3;
  // Download rate limit in bytes per second.
  double download_rate_limit = 4;
  // User id.
  uint64 uid = 5;
  // Group id.
  uint64 gid = 6;
 }
 // DeleteTaskRequest represents request of DeleteTask.
 message DeleteTaskRequest {
  // Task id.
  string task_id = 1;
  // Remote IP represents the IP address of the client initiating the delete request.
  optional string remote_ip = 2;
 }
-// DownloadPersistentCacheTaskRequest represents request of DownloadPersistentCacheTask.
+// Dfdaemon RPC Service.
-message DownloadPersistentCacheTaskRequest {
+service Dfdaemon{
-  // Task id.
+  // SyncPieces syncs pieces from the other peers.
-  string task_id = 1;
+  rpc SyncPieces(stream SyncPiecesRequest)returns(stream SyncPiecesResponse);
  // Persistent represents whether the persistent cache task is persistent.
  // If the persistent cache task is persistent, the persistent cache peer will
  // not be deleted when dfdaemon runs garbage collection.
  bool persistent = 2;
  // Tag is used to distinguish different persistent cache tasks.
  optional string tag = 3;
  // Application of task.
  optional string application = 4;
  // File path to be exported. If output_path is set, the exported file will be saved to the specified path.
  // Dfdaemon will try to create hard link to the output path before starting the export. If hard link creation fails,
  // it will copy the file to the output path after the export is completed.
  // For more details refer to https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.
  optional string output_path = 5;
  // Download timeout.
  optional google.protobuf.Duration timeout = 6;
  // need_piece_content is the flag to indicate whether the response needs to return piece content.
  bool need_piece_content = 7;
  // force_hard_link is the flag to indicate whether the exported file must be hard linked to the output path.
  // For more details refer to https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.
  bool force_hard_link = 8;
  // Verifies task data integrity after download using a digest. Supports CRC32, SHA256, and SHA512 algorithms.
  // Format: `<algorithm>:<hash>`, e.g., `crc32:xxx`, `sha256:yyy`, `sha512:zzz`.
  // Returns an error if the computed digest mismatches the expected value.
  //
  // Performance
  // Digest calculation increases processing time. Enable only when data integrity verification is critical.
  optional string digest = 9;
  // Remote IP represents the IP address of the client initiating the download request.
  optional string remote_ip = 10;
 }
-// DownloadPersistentCacheTaskStartedResponse represents task download started response of DownloadPersistentCacheTaskResponse.
+  // TriggerTask triggers task back-to-source download.
-message DownloadPersistentCacheTaskStartedResponse {
+  rpc TriggerTask(TriggerTaskRequest) returns(google.protobuf.Empty);
  // Task content length.
  uint64 content_length = 1;
 }
 // DownloadPersistentCacheTaskResponse represents response of DownloadPersistentCacheTask.
 message DownloadPersistentCacheTaskResponse {
  // Host id.
  string host_id = 1;
  // Task id.
  string task_id = 2;
  // Peer id.
  string peer_id = 3;
  oneof response {
    DownloadPersistentCacheTaskStartedResponse download_persistent_cache_task_started_response = 4;
    DownloadPieceFinishedResponse download_piece_finished_response = 5;
  }
 }
 // UploadPersistentCacheTaskRequest represents request of UploadPersistentCacheTask.
 message UploadPersistentCacheTaskRequest {
  // content_for_calculating_task_id is the content used to calculate the task id.
  // If content_for_calculating_task_id is set, use its value to calculate the task ID.
  // Otherwise, calculate the task ID based on the file content, tag and application by crc32 algorithm`.
  optional string content_for_calculating_task_id = 1;
  // Upload file path of persistent cache task.
  string path = 2;
  // Replica count of the persistent persistent cache task.
  uint64 persistent_replica_count = 3;
  // Tag is used to distinguish different persistent cache tasks.
  optional string tag = 4;
  // Application of the persistent cache task.
  optional string application = 5;
  // Piece length of the persistent cache task, the value needs to be greater than or equal to 4194304(4MiB).
  optional uint64 piece_length = 6;
  // TTL of the persistent cache task.
  google.protobuf.Duration ttl = 7;
  // Download timeout.
  optional google.protobuf.Duration timeout = 8;
  // Remote IP represents the IP address of the client initiating the upload request.
  optional string remote_ip = 9;
 }
 // UpdatePersistentCacheTaskRequest represents request of UpdatePersistentCacheTask.
 message UpdatePersistentCacheTaskRequest {
  // Task id.
  string task_id = 1;
  // Persistent represents whether the persistent cache peer is persistent.
  // If the persistent cache peer is persistent, the persistent cache peer will
  // not be deleted when dfdaemon runs garbage collection. It only be deleted
  // when the task is deleted by the user.
  bool persistent = 2;
  // Remote IP represents the IP address of the client initiating the list request.
  optional string remote_ip = 3;
 }
 // StatPersistentCacheTaskRequest represents request of StatPersistentCacheTask.
 message StatPersistentCacheTaskRequest {
  // Task id.
  string task_id = 1;
  // Remote IP represents the IP address of the client initiating the stat request.
  optional string remote_ip = 2;
 }
 // DeletePersistentCacheTaskRequest represents request of DeletePersistentCacheTask.
 message DeletePersistentCacheTaskRequest {
  // Task id.
  string task_id = 1;
  // Remote IP represents the IP address of the client initiating the delete request.
  optional string remote_ip = 2;
 }
 // SyncPersistentCachePiecesRequest represents request of SyncPersistentCachePieces.
 message SyncPersistentCachePiecesRequest {
  // Host id.
  string host_id = 1;
  // Task id.
  string task_id = 2;
  // Interested piece numbers.
  repeated uint32 interested_piece_numbers = 3;
 }
 // SyncPersistentCachePiecesResponse represents response of SyncPersistentCachePieces.
 message SyncPersistentCachePiecesResponse {
  // Exist piece number.
  uint32 number = 1;
  // Piece offset.
  uint64 offset = 2;
  // Piece length.
  uint64 length = 3;
 }
 // DownloadPersistentCachePieceRequest represents request of DownloadPersistentCachePiece.
 message DownloadPersistentCachePieceRequest{
  // Host id.
  string host_id = 1;
  // Task id.
  string task_id = 2;
  // Piece number.
  uint32 piece_number = 3;
 }
 // DownloadPersistentCachePieceResponse represents response of DownloadPersistentCachePieces.
 message DownloadPersistentCachePieceResponse {
  // Piece information.
  common.v2.Piece piece = 1;
  // Piece metadata digest, it is used to verify the integrity of the piece metadata.
  optional string digest = 2;
 }
 // SyncHostRequest represents request of SyncHost.
 message SyncHostRequest {
  // Host id.
  string host_id = 1;
  // Peer id.
  string peer_id = 2;
 }
 // IBVerbsQueuePairEndpoint represents queue pair endpoint of IBVerbs.
 message IBVerbsQueuePairEndpoint {
  // Number of the queue pair.
  uint32 num = 1;
  // Local identifier of the context.
  uint32 lid = 2;
  // Global identifier of the context.
  bytes gid = 3;
 }
 // ExchangeIBVerbsQueuePairEndpointRequest represents request of ExchangeIBVerbsQueuePairEndpoint.
 message ExchangeIBVerbsQueuePairEndpointRequest {
  // Information of the source's queue pair endpoint of IBVerbs.
  IBVerbsQueuePairEndpoint endpoint = 1;
 }
 // ExchangeIBVerbsQueuePairEndpointResponse represents response of ExchangeIBVerbsQueuePairEndpoint.
 message ExchangeIBVerbsQueuePairEndpointResponse {
  // Information of the destination's queue pair endpoint of IBVerbs.
  IBVerbsQueuePairEndpoint endpoint = 1;
 }
 // DfdaemonUpload represents upload service of dfdaemon.
 service DfdaemonUpload {
  // DownloadTask downloads task from p2p network.
  rpc DownloadTask(DownloadTaskRequest) returns(stream DownloadTaskResponse);
  // StatTask stats task information.
-  rpc StatTask(StatTaskRequest) returns(common.v2.Task);
+  rpc StatTask(StatTaskRequest) returns(common.Task);
  // ImportTask imports task to p2p network.
  rpc ImportTask(ImportTaskRequest) returns(google.protobuf.Empty);
  // ExportTask exports task from p2p network.
  rpc ExportTask(ExportTaskRequest) returns(google.protobuf.Empty);
  // DeleteTask deletes task from p2p network.
  rpc DeleteTask(DeleteTaskRequest) returns(google.protobuf.Empty);
  // SyncPieces syncs piece metadatas from remote peer.
  rpc SyncPieces(SyncPiecesRequest) returns(stream SyncPiecesResponse);
  // DownloadPiece downloads piece from the remote peer.
  rpc DownloadPiece(DownloadPieceRequest)returns(DownloadPieceResponse);
  // DownloadPersistentCacheTask downloads persistent cache task from p2p network.
  rpc DownloadPersistentCacheTask(DownloadPersistentCacheTaskRequest) returns(stream DownloadPersistentCacheTaskResponse);
  // UpdatePersistentCacheTask updates metadate of thr persistent cache task in p2p network.
  rpc UpdatePersistentCacheTask(UpdatePersistentCacheTaskRequest) returns(google.protobuf.Empty);
  // StatPersistentCacheTask stats persistent cache task information.
  rpc StatPersistentCacheTask(StatPersistentCacheTaskRequest) returns(common.v2.PersistentCacheTask);
  // DeletePersistentCacheTask deletes persistent cache task from p2p network.
  rpc DeletePersistentCacheTask(DeletePersistentCacheTaskRequest) returns(google.protobuf.Empty);
  // SyncPersistentCachePieces syncs persistent cache pieces from remote peer.
  rpc SyncPersistentCachePieces(SyncPersistentCachePiecesRequest) returns(stream SyncPersistentCachePiecesResponse);
  // DownloadPersistentCachePiece downloads persistent cache piece from p2p network.
  rpc DownloadPersistentCachePiece(DownloadPersistentCachePieceRequest)returns(DownloadPersistentCachePieceResponse);
  // SyncHost sync host info from parents.
  rpc SyncHost(SyncHostRequest) returns (stream common.v2.Host);
  // ExchangeIBVerbsQueuePairEndpoint exchanges queue pair endpoint of IBVerbs with remote peer.
  rpc ExchangeIBVerbsQueuePairEndpoint(ExchangeIBVerbsQueuePairEndpointRequest) returns(ExchangeIBVerbsQueuePairEndpointResponse);
 }
 // DfdaemonDownload represents download service of dfdaemon.
 service DfdaemonDownload {
  // DownloadTask downloads task from p2p network.
  rpc DownloadTask(DownloadTaskRequest) returns(stream DownloadTaskResponse);
  // StatTask stats task information.
  rpc StatTask(StatTaskRequest) returns(common.v2.Task);
  // ListTaskEntries lists task entries for downloading directory.
  rpc ListTaskEntries(ListTaskEntriesRequest) returns(ListTaskEntriesResponse);
  // DeleteTask deletes task from p2p network.
  rpc DeleteTask(DeleteTaskRequest) returns(google.protobuf.Empty);
  // DeleteHost releases host in scheduler.
  rpc DeleteHost(google.protobuf.Empty)returns(google.protobuf.Empty);
  // DownloadPersistentCacheTask downloads persistent cache task from p2p network.
  rpc DownloadPersistentCacheTask(DownloadPersistentCacheTaskRequest) returns(stream DownloadPersistentCacheTaskResponse);
  // UploadPersistentCacheTask uploads persistent cache task to p2p network.
  rpc UploadPersistentCacheTask(UploadPersistentCacheTaskRequest) returns(common.v2.PersistentCacheTask);
  // StatPersistentCacheTask stats persistent cache task information.
  rpc StatPersistentCacheTask(StatPersistentCacheTaskRequest) returns(common.v2.PersistentCacheTask);
 }
--- a/proto/errordetails.proto
+++ b/proto/errordetails.proto
@ -1,5 +1,5 @@
 /*
- *     Copyright 2024 The Dragonfly Authors
+ *     Copyright 2022 The Dragonfly Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@ -16,20 +16,66 @@
 syntax = "proto3";
-package errordetails.v2;
+package errordetails;
-// Backend is error detail for Backend.
+import "common.proto";
-message Backend {
+
-  // Backend error message.
+// DownloadPeerBackToSourceFailed is error detail of downloading peer back-to-source.
-  string message = 1;
+message DownloadPeerBackToSourceFailed {
-  // Backend HTTP response header.
+  // The description of the error.
-  map<string, string> header = 2;
+  string description = 1;
  // Backend HTTP status code.
  optional int32 status_code = 3;
 }
-// Unknown is error detail for Unknown.
+// DownloadPieceBackToSourceFailed is error detail of downloading piece back-to-source.
-message Unknown {
+message DownloadPieceBackToSourceFailed {
-  // Unknown error message.
+  // Temporary recoverable error of source.
-  optional string message = 1;
+  bool temporary = 1;
  // Source response metadata, eg: HTTP Status Code, HTTP Status, HTTP Header
  common.ExtendAttribute metadata = 2;
  // The number of piece.
  uint32 piece_number = 3;
  // The description of the error.
  string description = 4;
 }
 // DownloadPieceFailed is error detail of downloading piece.
 message DownloadPieceFailed {
  // Temporary recoverable error of parent peer.
  bool temporary = 1;
  // Source response metadata, eg: HTTP Status Code, HTTP Status, HTTP Header
  common.ExtendAttribute metadata = 2;
  // Piece is information of piece.
  string parent_id = 3;
  // The number of piece.
  uint32 piece_number = 4;
  // The description of the error.
  string description = 5;
 }
 // SchedulePeerForbidden is error detail of forbidden.
 message SchedulePeerForbidden {
  // The description of the error.
  string description = 1;
 }
 // SchedulePeerFailed is error detail of scheduling.
 message SchedulePeerFailed {
  // The description of the error.
  string description = 1;
 }
 // SyncPiecesFailed is error detail of syncing pieces.
 message SyncPiecesFailed {
  // Temporary recoverable error of parent peer.
  bool temporary = 1;
 	// Parent peer id.
  string parent_id = 2;
  // The description of the error.
  string description = 3;
 }
 // StatMetadataFailed is error detail of stat metadata.
 message StatMetadataFailed {
  // The description of the error.
  string description = 1;
 }
--- a/proto/manager.proto
+++ b/proto/manager.proto
@ -16,23 +16,36 @@
 syntax = "proto3";
-package manager.v2;
+package manager;
 import "common.proto";
 import "google/protobuf/empty.proto";
 import "google/protobuf/timestamp.proto";
 // Request source type.
 enum SourceType {
  // Scheduler service.
  SCHEDULER_SOURCE = 0;
  // Peer service.
  PEER_SOURCE = 1;
  // SeedPeer service.
  SEED_PEER_SOURCE = 2;
 }
 // SecurityGroup represents security group of cluster.
 message SecurityGroup {
  // Group id.
  uint64 id = 1;
  // Group name.
  string name = 2;
  // Group biography.
  string bio = 3;
  // Group domain.
  string domain = 4;
  // Group proxy domain.
  string proxy_domain = 5;
 }
 // SeedPeerCluster represents cluster of seed peer.
 message SeedPeerCluster {
  // Cluster id.
@ -43,6 +56,10 @@ message SeedPeerCluster {
  string bio = 3;
  // Cluster configuration.
  bytes config = 4;
  // Cluster scopes.
  bytes scopes = 5;
  // Security group to which the seed peer cluster belongs.
  SecurityGroup security_group = 6;
 }
 // SeedPeer represents seed peer for network.
@ -50,13 +67,13 @@ message SeedPeer {
  // Seed peer id.
  uint64 id = 1;
  // Seed peer hostname.
-  string hostname = 2;
+  string host_name = 2;
  // Seed peer type.
  string type = 3;
  // Seed peer idc.
-  optional string idc = 4;
+  string idc = 4;
  // Seed peer location.
-  optional string location = 5;
+  string location = 5;
  // Seed peer ip.
  string ip = 6;
  // Seed peer grpc port.
@ -71,6 +88,8 @@ message SeedPeer {
  SeedPeerCluster seed_peer_cluster = 11;
  // Schedulers included in seed peer.
  repeated Scheduler schedulers = 12;
  // Seed peer object storage port.
  int32 object_storage_port = 13;
 }
 // GetSeedPeerRequest represents request of GetSeedPeer.
@ -78,45 +97,25 @@ message GetSeedPeerRequest {
  // Request source type.
  SourceType source_type = 1;
  // Seed peer hostname.
-  string hostname = 2;
+  string host_name = 2;
  // ID of the cluster to which the seed peer belongs.
  uint64 seed_peer_cluster_id = 3;
  // Seed peer ip.
  string ip = 4;
 }
 // ListSeedPeersRequest represents request of ListSeedPeers.
 message ListSeedPeersRequest {
  // Request source type.
  SourceType source_type = 1;
  // Source service hostname.
  string hostname = 2;
  // Source service ip.
  string ip = 3;
  // Dfdaemon version.
  string version = 4;
  // Dfdaemon commit.
  string commit = 5;
 }
 // ListSeedPeersResponse represents response of ListSeedPeers.
 message ListSeedPeersResponse {
  // Seed peers to which the source service belongs.
  repeated SeedPeer seed_peers = 1;
 }
 // UpdateSeedPeerRequest represents request of UpdateSeedPeer.
 message UpdateSeedPeerRequest {
  // Request source type.
  SourceType source_type = 1;
  // Seed peer hostname.
-  string hostname = 2;
+  string host_name = 2;
  // Seed peer type.
  string type = 3;
  // Seed peer idc.
-  optional string idc = 4;
+  string idc = 4;
  // Seed peer location.
-  optional string location = 5;
+  string location = 5;
  // Seed peer ip.
  string ip = 6;
  // Seed peer port.
@ -125,18 +124,8 @@ message UpdateSeedPeerRequest {
  int32 download_port = 8;
  // ID of the cluster to which the seed peer belongs.
  uint64 seed_peer_cluster_id = 9;
-}
+  // Seed peer object storage port.
-
+  int32 object_storage_port = 10;
 // DeleteSeedPeerRequest represents request of DeleteSeedPeer.
 message DeleteSeedPeerRequest {
  // Request source type.
  SourceType source_type = 1;
  // Seed peer hostname.
  string hostname = 2;
  // ID of the cluster to which the seed peer belongs.
  uint64 seed_peer_cluster_id = 3;
  // Seed peer ip.
  string ip = 4;
 }
 // SeedPeerCluster represents cluster of scheduler.
@ -153,6 +142,8 @@ message SchedulerCluster {
  bytes client_config = 5;
  // Cluster scopes.
  bytes scopes = 6;
  // Security group to which the scheduler cluster belongs.
  SecurityGroup security_group = 7;
 }
 // SeedPeerCluster represents scheduler for network.
@ -160,11 +151,11 @@ message Scheduler {
  // Scheduler id.
  uint64 id = 1;
  // Scheduler hostname.
-  string hostname = 2;
+  string host_name = 2;
  // Scheduler idc.
-  optional string idc = 3;
+  string idc = 3;
  // Scheduler location.
-  optional string location = 4;
+  string location = 4;
  // Scheduler ip.
  string ip = 5;
  // Scheduler grpc port.
@ -177,8 +168,6 @@ message Scheduler {
  SchedulerCluster scheduler_cluster = 9;
  // Seed peers to which the scheduler belongs.
  repeated SeedPeer seed_peers = 10;
  // Feature flags of scheduler.
  bytes features = 11;
 }
 // GetSchedulerRequest represents request of GetScheduler.
@ -186,7 +175,7 @@ message GetSchedulerRequest {
  // Request source type.
  SourceType source_type = 1;
  // Scheduler hostname.
-  string hostname = 2;
+  string host_name = 2;
  // ID of the cluster to which the scheduler belongs.
  uint64 scheduler_cluster_id = 3;
  // Scheduler ip.
@ -198,21 +187,17 @@ message UpdateSchedulerRequest {
  // Request source type.
  SourceType source_type = 1;
  // Scheduler hostname.
-  string hostname = 2;
+  string host_name = 2;
  // ID of the cluster to which the scheduler belongs.
  uint64 scheduler_cluster_id = 3;
  // Scheduler idc.
-  optional string idc = 4;
+  string idc = 4;
  // Scheduler location.
-  optional string location = 5;
+  string location = 5;
  // Scheduler ip.
  string ip = 6;
  // Scheduler port.
  int32 port = 7;
  // Scheduler features.
  repeated string features = 8;
  // Scheduler Configuration.
  bytes config = 9;
 }
 // ListSchedulersRequest represents request of ListSchedulers.
@ -220,19 +205,15 @@ message ListSchedulersRequest {
  // Request source type.
  SourceType source_type = 1;
  // Source service hostname.
-  string hostname = 2;
+  string host_name = 2;
  // Source service ip.
  string ip = 3;
-  // Source idc.
+  // Source service host information.
-  optional string idc = 4;
+  map<string, string> host_info = 4;
  // Source location.
  optional string location = 5;
  // Dfdaemon version.
-  string version = 6;
+  string version = 5;
  // Dfdaemon commit.
-  string commit = 7;
+  string commit = 6;
  // ID of the cluster to which the scheduler belongs.
  uint64 scheduler_cluster_id = 8;
 }
 // ListSchedulersResponse represents response of ListSchedulers.
@ -241,18 +222,243 @@ message ListSchedulersResponse {
  repeated Scheduler schedulers = 1;
 }
 // ObjectStorage represents config of object storage.
 message ObjectStorage {
  // name is object storage name of type, it can be s3, oss or obs.
  string name = 1;
  // Region is storage region.
  string region = 2;
  // Endpoint is datacenter endpoint.
  string endpoint = 3;
  // AccessKey is access key ID.
  string access_key = 4;
  // SecretKey is access key secret.
  string secret_key = 5;
  // S3ForcePathStyle sets force path style for s3, true by default.
  // Set this to `true` to force the request to use path-style addressing,
  // i.e., `http://s3.amazonaws.com/BUCKET/KEY`. By default, the S3 client
  // will use virtual hosted bucket addressing when possible
  // (`http://BUCKET.s3.amazonaws.com/KEY`).
  // Refer to https://github.com/aws/aws-sdk-go/blob/main/aws/config.go#L118.
  bool s3_force_path_style = 6;
 }
 // GetObjectStorageRequest represents request of GetObjectStorage.
 message GetObjectStorageRequest {
  // Request source type.
  SourceType source_type = 1;
  // Source service hostname.
  string host_name = 2;
  // Source service ip.
  string ip = 3;
 }
 // Bucket represents config of bucket.
 message Bucket {
  // Bucket name.
  string name = 1;
 }
 // ListSchedulersRequest represents request of ListBuckets.
 message ListBucketsRequest {
  // Request source type.
  SourceType source_type = 1;
  // Source service hostname.
  string host_name = 2;
  // Source service ip.
  string ip = 3;
 }
 // ListBucketsResponse represents response of ListBuckets.
 message ListBucketsResponse {
  // Bucket configs.
  repeated Bucket buckets = 1;
 }
 // Model represents information of model.
 message Model {
  // Model id.
  string model_id = 1;
  // Model name.
  string name = 2;
  // Model version id.
  string version_id = 3;
  // Scheduler id.
  uint64 scheduler_id = 4;
  // Scheduler hostname.
  string host_name = 5;
  // Scheduler ip.
  string ip = 6;
  // Model create time.
  google.protobuf.Timestamp created_at = 7;
  // Model update time.
  google.protobuf.Timestamp updated_at = 8;
 }
 // ListModelsRequest represents request of ListModels.
 message ListModelsRequest {
  // Scheduler id.
  uint64 scheduler_id = 1;
 }
 // ListModelsResponse represents response of ListModels.
 message ListModelsResponse {
  // Model informations.
  repeated Model models = 1;
 }
 // GetModelRequest represents request of GetModel.
 message GetModelRequest {
  // Scheduler id.
  uint64 scheduler_id = 1;
  // Model id.
  string model_id = 2;
 }
 // CreateModelRequest represents request of CreateModel.
 message CreateModelRequest {
  // Model id.
  string model_id = 1;
  // Model name.
  string name = 2;
  // Model version id.
  string version_id = 3;
  // Scheduler id.
  uint64 scheduler_id = 4;
  // Scheduler hostname.
  string host_name = 5;
  // Scheduler ip.
  string ip = 6;
 }
 // UpdateModelRequest represents request of UpdateModel.
 message UpdateModelRequest {
  // Model id.
  string model_id = 1;
  // Model name.
  string name = 2;
  // Model version id.
  string version_id = 3;
  // Scheduler id.
  uint64 scheduler_id = 4;
  // Scheduler hostname.
  string host_name = 5;
  // Scheduler ip.
  string ip = 6;
 }
 // DeleteModelRequest represents request of DeleteModel.
 message DeleteModelRequest {
  // Scheduler id.
  uint64 scheduler_id = 1;
  // Model id.
  string model_id = 2;
 }
 // ModelVersion represents information of model version.
 message ModelVersion {
  // Model version id.
  string version_id = 1;
  // Model version data.
  bytes data = 2;
  // Model version mae.
  double mae = 3;
  // Model version mse.
  double mse = 4;
  // Model version rmse.
  double rmse = 5;
  // Model version r^2.
  double r2 = 6;
  // Model create time.
  google.protobuf.Timestamp created_at = 7;
  // Model update time.
  google.protobuf.Timestamp updated_at = 8;
 }
 // ListModelVersionsRequest represents request of ListModelVersions.
 message ListModelVersionsRequest {
  // Scheduler id.
  uint64 scheduler_id = 1;
  // Model id.
  string model_id = 2;
 }
 // ListModelVersionsResponse represents response of ListModelVersions.
 message ListModelVersionsResponse {
  // Model version informations.
  repeated ModelVersion model_versions = 1;
 }
 // GetModelVersionRequest represents request of GetModelVersion.
 message GetModelVersionRequest {
  // Scheduler id.
  uint64 scheduler_id = 1;
  // Model id.
  string model_id = 2;
  // Model version id.
  string version_id = 3;
 }
 // CreateModelVersionRequest represents request of CreateModelVersion.
 message CreateModelVersionRequest {
  // Scheduler id.
  uint64 scheduler_id = 1;
  // Model id.
  string model_id = 2;
  // Model version data.
  bytes data = 3;
  // Model version mae.
  double mae = 4;
  // Model version mse.
  double mse = 5;
  // Model version rmse.
  double rmse = 6;
  // Model version r^2.
  double r2 = 7;
 }
 // UpdateModelVersionRequest represents request of UpdateModelVersion.
 message UpdateModelVersionRequest {
  // Model version id.
  string version_id = 1;
  // Scheduler id.
  uint64 scheduler_id = 2;
  // Model id.
  string model_id = 3;
  // Model version data.
  bytes data = 4;
  // Model version mae.
  double mae = 5;
  // Model version mse.
  double mse = 6;
  // Model version rmse.
  double rmse = 7;
  // Model version r^2.
  double r2 = 8;
 }
 // DeleteModelVersionRequest represents request of DeleteModelVersion.
 message DeleteModelVersionRequest {
  // Scheduler id.
  uint64 scheduler_id = 1;
  // Model id.
  string model_id = 2;
  // Model version id.
  string version_id = 3;
 }
 // URLPriority represents config of url priority.
 message URLPriority {
  // URL regex.
  string regex = 1;
  // URL priority value.
-  common.v2.Priority value = 2;
+  common.Priority value = 2;
 }
 // ApplicationPriority represents config of application priority.
 message ApplicationPriority {
  // Priority value.
-  common.v2.Priority value = 1;
+  common.Priority value = 1;
  // URL priority.
  repeated URLPriority urls = 2;
 }
@ -276,7 +482,7 @@ message ListApplicationsRequest {
  // Request source type.
  SourceType source_type = 1;
  // Source service hostname.
-  string hostname = 2;
+  string host_name = 2;
  // Source service ip.
  string ip = 3;
 }
@ -292,7 +498,7 @@ message KeepAliveRequest {
  // Request source type.
  SourceType source_type = 1;
  // Source service hostname.
-  string hostname = 2;
+  string host_name = 2;
  // ID of the cluster to which the source service belongs.
  uint64 cluster_id = 3;
  // Source service ip.
@ -304,15 +510,9 @@ service Manager {
  // Get SeedPeer and SeedPeer cluster configuration.
  rpc GetSeedPeer(GetSeedPeerRequest) returns(SeedPeer);
  // List acitve schedulers configuration.
  rpc ListSeedPeers(ListSeedPeersRequest)returns(ListSeedPeersResponse);
  // Update SeedPeer configuration.
  rpc UpdateSeedPeer(UpdateSeedPeerRequest) returns(SeedPeer);
  // Delete SeedPeer configuration.
  rpc DeleteSeedPeer(DeleteSeedPeerRequest) returns(google.protobuf.Empty);
  // Get Scheduler and Scheduler cluster configuration.
  rpc GetScheduler(GetSchedulerRequest)returns(Scheduler);
@ -322,6 +522,42 @@ service Manager {
  // List acitve schedulers configuration.
  rpc ListSchedulers(ListSchedulersRequest)returns(ListSchedulersResponse);
  // Get ObjectStorage configuration.
  rpc GetObjectStorage(GetObjectStorageRequest) returns(ObjectStorage);
  // List buckets configuration.
  rpc ListBuckets(ListBucketsRequest)returns(ListBucketsResponse);
  // List models information.
  rpc ListModels(ListModelsRequest)returns(ListModelsResponse);
  // Get model information.
  rpc GetModel(GetModelRequest)returns(Model);
  // Create model information.
  rpc CreateModel(CreateModelRequest)returns(Model);
  // Update model information.
  rpc UpdateModel(UpdateModelRequest)returns(Model);
  // Delete model information.
  rpc DeleteModel(DeleteModelRequest)returns(google.protobuf.Empty);
  // List model versions information.
  rpc ListModelVersions(ListModelVersionsRequest)returns(ListModelVersionsResponse);
  // Get model version information.
  rpc GetModelVersion(GetModelVersionRequest)returns(ModelVersion);
  // Create model version information.
  rpc CreateModelVersion(CreateModelVersionRequest)returns(ModelVersion);
  // Update model version information.
  rpc UpdateModelVersion(UpdateModelVersionRequest)returns(ModelVersion);
  // Delete model version information.
  rpc DeleteModelVersion(DeleteModelVersionRequest)returns(google.protobuf.Empty);
  // List applications configuration.
  rpc ListApplications(ListApplicationsRequest)returns(ListApplicationsResponse);
--- a/proto/scheduler.proto
+++ b/proto/scheduler.proto
@ -16,7 +16,7 @@
 syntax = "proto3";
-package scheduler.v2;
+package scheduler;
 import "common.proto";
 import "errordetails.proto";
@ -26,8 +26,8 @@ import "google/protobuf/timestamp.proto";
 // RegisterPeerRequest represents peer registered request of AnnouncePeerRequest.
 message RegisterPeerRequest {
-  // Download information.
+  // Task metadata.
-  common.v2.Download download = 1;
+  common.Metadata metadata = 1;
 }
 // DownloadPeerStartedRequest represents peer download started request of AnnouncePeerRequest.
@ -36,395 +36,361 @@ message DownloadPeerStartedRequest {
 // DownloadPeerBackToSourceStartedRequest represents peer download back-to-source started request of AnnouncePeerRequest.
 message DownloadPeerBackToSourceStartedRequest {
-  // The description of the back-to-source reason.
+  // Download back-to-source reason.
-  optional string description = 1;
+  string reason = 1;
 }
 // ReschedulePeerRequest represents reschedule request of AnnouncePeerRequest.
 message ReschedulePeerRequest {
  // Candidate parent ids.
  repeated common.v2.Peer candidate_parents = 1;
  // The description of the reschedule reason.
  optional string description = 2;
 }
 // DownloadPeerFinishedRequest represents peer download finished request of AnnouncePeerRequest.
 message DownloadPeerFinishedRequest {
  // Total content length.
-  uint64 content_length = 1;
+  int64 content_length = 1;
  // Total piece count.
-  uint32 piece_count = 2;
+  int64 piece_count = 2;
 }
 // DownloadPeerBackToSourceFinishedRequest represents peer download back-to-source finished request of AnnouncePeerRequest.
 message DownloadPeerBackToSourceFinishedRequest {
  // Total content length.
-  uint64 content_length = 1;
+  int64 content_length = 1;
  // Total piece count.
-  uint32 piece_count = 2;
+  int64 piece_count = 2;
 }
 // DownloadPeerFailedRequest represents peer download failed request of AnnouncePeerRequest.
 message DownloadPeerFailedRequest {
  // The description of the download failed.
  optional string description = 1;
 }
 // DownloadPeerBackToSourceFailedRequest represents peer download back-to-source failed request of AnnouncePeerRequest.
 message DownloadPeerBackToSourceFailedRequest {
  // The description of the download back-to-source failed.
  optional string description = 1;
 }
 // DownloadPieceFinishedRequest represents piece download finished request of AnnouncePeerRequest.
 message DownloadPieceFinishedRequest {
  // Piece info.
-  common.v2.Piece piece = 1;
+  common.Piece piece = 1;
 }
 // DownloadPieceBackToSourceFinishedRequest represents piece download back-to-source finished request of AnnouncePeerRequest.
 message DownloadPieceBackToSourceFinishedRequest {
  // Piece info.
-  common.v2.Piece piece = 1;
+  common.Piece piece = 1;
 }
 // DownloadPieceFailedRequest downloads piece failed request of AnnouncePeerRequest.
 message DownloadPieceFailedRequest {
  // Piece number.
  optional uint32 piece_number = 1;
  // Parent id.
  string parent_id = 2;
  // Temporary indicates whether the error is temporary.
  bool temporary = 3;
 }
 // DownloadPieceBackToSourceFailedRequest downloads piece back-to-source failed request of AnnouncePeerRequest.
 message DownloadPieceBackToSourceFailedRequest {
  // Piece number.
  optional uint32 piece_number = 1;
  oneof response {
    errordetails.v2.Backend backend = 2;
    errordetails.v2.Unknown unknown = 3;
  }
 }
 // AnnouncePeerRequest represents request of AnnouncePeer.
 message AnnouncePeerRequest {
  // Host id.
  string host_id = 1;
  // Task id.
-  string task_id = 2;
+  string task_id = 1;
  // Peer id.
-  string peer_id = 3;
+  string peer_id = 2;
  oneof request {
-    RegisterPeerRequest register_peer_request = 4;
+    RegisterPeerRequest register_peer_request = 3;
-    DownloadPeerStartedRequest download_peer_started_request = 5;
+    DownloadPeerStartedRequest download_peer_started_request = 4;
-    DownloadPeerBackToSourceStartedRequest download_peer_back_to_source_started_request = 6;
+    DownloadPeerBackToSourceStartedRequest download_peer_back_to_source_started_request = 5;
-    ReschedulePeerRequest reschedule_peer_request = 7;
+    DownloadPeerFinishedRequest download_peer_finished_request = 6;
-    DownloadPeerFinishedRequest download_peer_finished_request = 8;
+    DownloadPeerBackToSourceFinishedRequest download_peer_back_to_source_finished_request = 7;
-    DownloadPeerBackToSourceFinishedRequest download_peer_back_to_source_finished_request = 9;
+    DownloadPieceFinishedRequest download_piece_finished_request = 8;
-    DownloadPeerFailedRequest download_peer_failed_request = 10;
+    DownloadPieceBackToSourceFinishedRequest download_piece_back_to_source_finished_request = 9;
-    DownloadPeerBackToSourceFailedRequest download_peer_back_to_source_failed_request = 11;
+  }
-    DownloadPieceFinishedRequest download_piece_finished_request = 12;
+
-    DownloadPieceBackToSourceFinishedRequest download_piece_back_to_source_finished_request = 13;
+  oneof errordetails {
-    DownloadPieceFailedRequest download_piece_failed_request = 14;
+    errordetails.DownloadPeerBackToSourceFailed download_peer_back_to_source_failed = 10;
-    DownloadPieceBackToSourceFailedRequest download_piece_back_to_source_failed_request = 15;
+    errordetails.DownloadPieceBackToSourceFailed download_piece_back_to_source_failed = 11;
    errordetails.SyncPiecesFailed sync_pieces_failed = 12;
    errordetails.DownloadPieceFailed download_piece_failed = 13;
  }
 }
-// EmptyTaskResponse represents empty task response of AnnouncePeerResponse.
+// TinyTaskResponse represents tiny task response of AnnouncePeerResponse.
-message EmptyTaskResponse {
+message TinyTaskResponse {
  bytes data = 1;
 }
 // SmallTaskResponse represents small task response of AnnouncePeerResponse.
 message SmallTaskResponse {
  // Piece info.
  common.Piece piece = 1;
 }
 // NormalTaskResponse represents normal task response of AnnouncePeerResponse.
 message NormalTaskResponse {
  // Candidate parents.
-  repeated common.v2.Peer candidate_parents = 1;
+  repeated common.Peer candidate_parents = 1;
  // Concurrent downloading count from main peer.
  int32 parallel_count = 2;
 }
 // NeedBackToSourceResponse represents need back-to-source response of AnnouncePeerResponse.
 message NeedBackToSourceResponse {
-  // The description of the back-to-source reason.
+  // Download back-to-source reason.
-  optional string description = 1;
+  string reason = 1;
 }
 // AnnouncePeerResponse represents response of AnnouncePeer.
 message AnnouncePeerResponse {
  oneof response {
-    EmptyTaskResponse empty_task_response = 1;
+    TinyTaskResponse tiny_task_response = 1;
-    NormalTaskResponse normal_task_response = 2;
+    SmallTaskResponse small_task_response = 2;
-    NeedBackToSourceResponse need_back_to_source_response = 3;
+    NormalTaskResponse normal_task_response = 3;
    NeedBackToSourceResponse need_back_to_source_response = 4;
  }
  oneof errordetails {
    errordetails.SchedulePeerForbidden schedule_peer_forbidden = 5;
    errordetails.SchedulePeerFailed schedule_peer_failed = 6;
  }
 }
 // StatPeerRequest represents request of StatPeer.
 message StatPeerRequest {
  // Host id.
  string host_id = 1;
  // Task id.
-  string task_id = 2;
+  string task_id = 1;
  // Peer id.
-  string peer_id = 3;
+  string peer_id = 2;
 }
-// DeletePeerRequest represents request of DeletePeer.
+// TODO exchange peer request definition.
-message DeletePeerRequest {
+// ExchangePeerRequest represents request of ExchangePeer.
-  // Host id.
+message ExchangePeerRequest {
  string host_id = 1;
  // Task id.
-  string task_id = 2;
+  string task_id = 1;
  // Peer id.
-  string peer_id = 3;
+  string peer_id = 2;
 }
 // TODO exchange peer response definition.
 // ExchangePeerResponse represents response of ExchangePeer.
 message ExchangePeerResponse {
 }
 // LeavePeerRequest represents request of LeavePeer.
 message LeavePeerRequest {
  // Task id.
  string task_id = 1;
  // Peer id.
  string peer_id = 2;
 }
 // StatTaskRequest represents request of StatTask.
 message StatTaskRequest {
  // Host id.
  string host_id = 1;
  // Task id.
-  string task_id = 2;
+  string id = 1;
 }
 // DeleteTaskRequest represents request of DeleteTask.
 message DeleteTaskRequest {
  // Host id.
  string host_id = 1;
  // Task id.
  string task_id = 2;
 }
 // AnnounceHostRequest represents request of AnnounceHost.
 message AnnounceHostRequest {
  // Host information.
  common.v2.Host host = 1;
  // The interval between dfdaemon announces to scheduler.
  optional google.protobuf.Duration interval = 2;
 }
 // ListHostsResponse represents response of ListHosts.
 message ListHostsResponse {
  // Hosts info.
  repeated common.v2.Host hosts = 1;
 }
 // DeleteHostRequest represents request of DeleteHost.
 message DeleteHostRequest{
  // Host id.
-  string host_id = 1;
+  string id = 1;
  // Host type.
  uint32 type = 2;
  // Hostname.
  string hostname = 3;
  // Host ip.
  string ip = 4;
  // Port of grpc service.
  int32 port = 5;
  // Port of download server.
  int32 download_port = 6;
  // Host OS.
  string os = 7;
  // Host platform.
  string platform = 8;
  // Host platform family.
  string platform_family = 9;
  // Host platform version.
  string platform_version = 10;
  // Host kernel version.
  string kernel_version = 11;
  // CPU Stat.
  CPU cpu = 12;
  // Memory Stat.
  Memory memory = 13;
  // Network Stat.
  Network network = 14;
  // Disk Stat.
  Disk disk = 15;
  // Build information.
  Build build = 16;
 }
-// RegisterPersistentCachePeerRequest represents persistent cache peer registered request of AnnouncePersistentCachePeerRequest.
+// CPU Stat.
-message RegisterPersistentCachePeerRequest {
+message CPU {
-  // Persistent represents whether the persistent cache task is persistent.
+  // Number of logical cores in the system.
-  // If the persistent cache task is persistent, the persistent cache peer will
+  uint32 logical_count = 1;
-  // not be deleted when dfdaemon runs garbage collection.
+  // Number of physical cores in the system
-  bool persistent = 1;
+  uint32 physical_count = 2;
-  // Tag is used to distinguish different persistent cache tasks.
+  // Percent calculates the percentage of cpu used.
-  optional string tag = 2;
+  double percent = 3;
-  // Application of task.
+  // Calculates the percentage of cpu used by process.
-  optional string application = 3;
+  double process_percent = 4;
-  // Task piece length, the value needs to be greater than or equal to 4194304(4MiB).
+  // CPUTimes contains the amounts of time the CPU has spent performing different kinds of work.
-  uint64 piece_length = 4;
+  CPUTimes times = 5;
  // File path to be exported.
  optional string output_path = 5;
  // Download timeout.
  optional google.protobuf.Duration timeout = 6;
 }
-// DownloadPersistentCachePeerStartedRequest represents persistent cache peer download started request of AnnouncePersistentCachePeerRequest.
+// CPUTimes contains the amounts of time the CPU has spent performing different
-message DownloadPersistentCachePeerStartedRequest {
+// kinds of work. Time units are in seconds.
 message CPUTimes {
  // CPU time of user.
  double user = 1;
  // CPU time of system.
  double system = 2;
  // CPU time of idle.
  double idle = 3;
  // CPU time of nice.
  double nice = 4;
  // CPU time of iowait.
  double iowait = 5;
  // CPU time of irq.
  double irq = 6;
  // CPU time of softirq.
  double softirq = 7;
  // CPU time of steal.
  double steal = 8;
  // CPU time of guest.
  double guest = 9;
  // CPU time of guest nice.
  double guest_nice = 10;
 }
-// ReschedulePersistentCachePeerRequest represents reschedule request of AnnouncePersistentCachePeerRequest.
+// Memory Stat.
-message ReschedulePersistentCachePeerRequest {
+message Memory {
-  // Candidate parent ids.
+  // Total amount of RAM on this system.
-  repeated common.v2.PersistentCachePeer candidate_parents = 1;
+  uint64 total = 1;
-
+  // RAM available for programs to allocate.
-  // The description of the reschedule reason.
+  uint64 available = 2;
-  optional string description = 2;
+  // RAM used by programs.
  uint64 used = 3;
  // Percentage of RAM used by programs.
  double used_percent = 4;
  // Calculates the percentage of memory used by process.
  double process_used_percent = 5;
  // This is the kernel's notion of free memory.
  uint64 free = 6;
 }
-// DownloadPersistentCachePeerFinishedRequest represents persistent cache peer download finished request of AnnouncePersistentCachePeerRequest.
+// Network Stat.
-message DownloadPersistentCachePeerFinishedRequest {
+message Network {
-  // Total piece count.
+  // Return count of tcp connections opened and status is ESTABLISHED.
-  uint32 piece_count = 1;
+  uint32 tcp_connection_count = 1;
  // Return count of upload tcp connections opened and status is ESTABLISHED.
  uint32 upload_tcp_connection_count = 2;
  // Security domain for network.
  string security_domain = 3;
  // Location path(area|country|province|city|...).
  string location = 4;
  // IDC where the peer host is located
  string idc = 5;
 }
-// DownloadPersistentCachePeerFailedRequest represents persistent cache peer download failed request of AnnouncePersistentCachePeerRequest.
+// Disk Stat.
-message DownloadPersistentCachePeerFailedRequest {
+message Disk {
-  // The description of the download failed.
+  // Total amount of disk on the data path of dragonfly.
-  optional string description = 1;
+  uint64 total = 1;
  // Free amount of disk on the data path of dragonfly.
  uint64 free = 2;
  // Used amount of disk on the data path of dragonfly.
  uint64 used = 3;
  // Used percent of disk on the data path of dragonfly directory.
  double used_percent = 4;
  // Total amount of indoes on the data path of dragonfly directory.
  uint64 inodes_total = 5;
  // Used amount of indoes on the data path of dragonfly directory.
  uint64 inodes_used = 6;
  // Free amount of indoes on the data path of dragonfly directory.
  uint64 inodes_free = 7;
  // Used percent of indoes on the data path of dragonfly directory.
  double inodes_used_percent = 8;
 }
-// AnnouncePersistentCachePeerRequest represents request of AnnouncePersistentCachePeer.
+// Build information.
-message AnnouncePersistentCachePeerRequest {
+message Build {
  // Git version.
  string git_version = 1;
  // Git commit.
  string git_commit = 2;
  // Golang version.
  string go_version = 3;
  // Build platform.
  string platform = 4;
 }
 // LeaveHostRequest represents request of LeaveHost.
 message LeaveHostRequest{
  // Host id.
-  string host_id = 1;
+  string id = 1;
-  // Task id.
+}
  string task_id = 2;
  // Peer id.
  string peer_id = 3;
 // Probe information.
 message Probe {
  // Host metadata.
  common.Host host = 1;
  // RTT is the round-trip time sent via this pinger.
  google.protobuf.Duration rtt = 2;
  // Task update time.
  google.protobuf.Timestamp updated_at = 3;
 }
 // ProbesOfHost represents probes information of the host.
 message ProbesOfHost {
  // Host metadata.
  common.Host host = 1;
  // Probes information.
  repeated Probe probes = 2;
 }
 // SyncProbesRequest represents request of SyncProbes.
 message SyncProbesRequest {
  // Probes information of the host.
  ProbesOfHost probes_of_host = 1;
 }
 // SyncProbesResponse represents response of SyncProbes.
 message SyncProbesResponse {
  // Hosts needs to be probed.
  repeated common.Host hosts = 1;
  // Probe interval.
  google.protobuf.Duration probe_interval = 2;
 }
 // UpdateHostsRequest represents update hosts request of SyncNetworkTopologyRequest.
 message UpdateHostsRequest {
  // Hosts needs to be updated.
  repeated ProbesOfHost probes_of_hosts = 1;
 }
 // DeleteHostsRequest represents delete hosts request of SyncNetworkTopologyRequest.
 message DeleteHostsRequest {
  // Hosts needs to be deleted.
  repeated ProbesOfHost probes_of_hosts = 1;
 }
 // SyncProbesRequest represents request of SyncProbes.
 message SyncNetworkTopologyRequest {
  oneof request {
-    RegisterPersistentCachePeerRequest register_persistent_cache_peer_request = 4;
+    UpdateHostsRequest update_probes_of_hosts_request = 1;
-    DownloadPersistentCachePeerStartedRequest download_persistent_cache_peer_started_request = 5;
+    DeleteHostsRequest delete_probes_of_hosts_request = 2;
    ReschedulePersistentCachePeerRequest reschedule_persistent_cache_peer_request = 6;
    DownloadPersistentCachePeerFinishedRequest download_persistent_cache_peer_finished_request = 7;
    DownloadPersistentCachePeerFailedRequest download_persistent_cache_peer_failed_request = 8;
    DownloadPieceFinishedRequest download_piece_finished_request = 9;
    DownloadPieceFailedRequest download_piece_failed_request = 10;
  }
 }
 // EmptyPersistentCacheTaskResponse represents empty persistent cache task response of AnnouncePersistentCachePeerResponse.
 message EmptyPersistentCacheTaskResponse {
 }
 // NormalPersistentCacheTaskResponse represents normal persistent cache task response of AnnouncePersistentCachePeerResponse.
 message NormalPersistentCacheTaskResponse {
  // Candidate parents.
  repeated common.v2.PersistentCachePeer candidate_cache_parents = 1;
 }
 // AnnouncePersistentCachePeerResponse represents response of AnnouncePersistentCachePeer.
 message AnnouncePersistentCachePeerResponse {
  oneof response {
    EmptyPersistentCacheTaskResponse empty_persistent_cache_task_response = 1;
    NormalPersistentCacheTaskResponse normal_persistent_cache_task_response = 2;
  }
 }
 // StatPersistentCachePeerRequest represents request of StatPersistentCachePeer.
 message StatPersistentCachePeerRequest {
  // Host id.
  string host_id = 1;
  // Task id.
  string task_id = 2;
  // Peer id.
  string peer_id = 3;
 }
 // DeletePersistentCachePeerRequest represents request of DeletePersistentCachePeer.
 message DeletePersistentCachePeerRequest {
  // Host id.
  string host_id = 1;
  // Task id.
  string task_id = 2;
  // Peer id.
  string peer_id = 3;
 }
 // UploadPersistentCacheTaskStartedRequest represents upload persistent cache task started request of UploadPersistentCacheTaskStarted.
 message UploadPersistentCacheTaskStartedRequest {
  // Host id.
  string host_id = 1;
  // Task id.
  string task_id = 2;
  // Peer id.
  string peer_id = 3;
  // Replica count of the persistent cache task.
  uint64 persistent_replica_count = 4;
  // Tag is used to distinguish different persistent cache tasks.
  optional string tag = 5;
  // Application of task.
  optional string application = 6;
  // Task piece length, the value needs to be greater than or equal to 4194304(4MiB).
  uint64 piece_length = 7;
  // Task content length.
  uint64 content_length = 8;
  // Task piece count.
  uint32 piece_count = 9;
  // TTL of the persistent cache task.
  google.protobuf.Duration ttl = 10;
 }
 // UploadPersistentCacheTaskFinishedRequest represents upload persistent cache task finished request of UploadPersistentCacheTaskFinished.
 message UploadPersistentCacheTaskFinishedRequest {
  // Host id.
  string host_id = 1;
  // Task id.
  string task_id = 2;
  // Peer id.
  string peer_id = 3;
 }
 // UploadPersistentCacheTaskFailedRequest represents upload persistent cache task failed request of UploadPersistentCacheTaskFailed.
 message UploadPersistentCacheTaskFailedRequest {
  // Host id.
  string host_id = 1;
  // Task id.
  string task_id = 2;
  // Peer id.
  string peer_id = 3;
  // The description of the upload failed.
  optional string description = 4;
 }
 // StatPersistentCacheTaskRequest represents request of StatPersistentCacheTask.
 message StatPersistentCacheTaskRequest {
  // Host id.
  string host_id = 1;
  // Task id.
  string task_id = 2;
 }
 // DeletePersistentCacheTaskRequest represents request of DeletePersistentCacheTask.
 message DeletePersistentCacheTaskRequest {
  // Host id.
  string host_id = 1;
  // Task id.
  string task_id = 2;
 }
 // Scheduler RPC Service.
 service Scheduler{
  // AnnouncePeer announces peer to scheduler.
  rpc AnnouncePeer(stream AnnouncePeerRequest) returns(stream AnnouncePeerResponse);
  // Checks information of peer.
-  rpc StatPeer(StatPeerRequest)returns(common.v2.Peer);
+  rpc StatPeer(StatPeerRequest)returns(common.Peer);
-  // DeletePeer releases peer in scheduler.
+  // LeavePeer releases peer in scheduler.
-  rpc DeletePeer(DeletePeerRequest)returns(google.protobuf.Empty);
+  rpc LeavePeer(LeavePeerRequest)returns(google.protobuf.Empty);
  // TODO exchange peer api definition.
  // ExchangePeer exchanges peer information.
  rpc ExchangePeer(ExchangePeerRequest)returns(ExchangePeerResponse);
  // Checks information of task.
-  rpc StatTask(StatTaskRequest)returns(common.v2.Task);
+  rpc StatTask(StatTaskRequest)returns(common.Task);
  // DeleteTask releases task in scheduler.
  rpc DeleteTask(DeleteTaskRequest)returns(google.protobuf.Empty);
  // AnnounceHost announces host to scheduler.
  rpc AnnounceHost(AnnounceHostRequest)returns(google.protobuf.Empty);
-  // ListHosts lists hosts in scheduler.
+  // LeaveHost releases host in scheduler.
-  rpc ListHosts(google.protobuf.Empty)returns(ListHostsResponse);
+  rpc LeaveHost(LeaveHostRequest)returns(google.protobuf.Empty);
-  // DeleteHost releases host in scheduler.
+  // SyncProbes sync probes of the host.
-  rpc DeleteHost(DeleteHostRequest)returns(google.protobuf.Empty);
+  rpc SyncProbes(stream SyncProbesRequest)returns(stream SyncProbesResponse);
-  // AnnouncePersistentCachePeer announces persistent cache peer to scheduler.
+  // SyncNetworkTopology sync network topology of the hosts.
-  rpc AnnouncePersistentCachePeer(stream AnnouncePersistentCachePeerRequest) returns(stream AnnouncePersistentCachePeerResponse);
+  rpc SyncNetworkTopology(stream SyncNetworkTopologyRequest)returns(google.protobuf.Empty);
  // Checks information of persistent cache peer.
  rpc StatPersistentCachePeer(StatPersistentCachePeerRequest)returns(common.v2.PersistentCachePeer);
  // DeletePersistentCachePeer releases persistent cache peer in scheduler.
  rpc DeletePersistentCachePeer(DeletePersistentCachePeerRequest)returns(google.protobuf.Empty);
  // UploadPersistentCacheTaskStarted uploads persistent cache task started to scheduler.
  rpc UploadPersistentCacheTaskStarted(UploadPersistentCacheTaskStartedRequest)returns(google.protobuf.Empty);
  // UploadPersistentCacheTaskFinished uploads persistent cache task finished to scheduler.
  rpc UploadPersistentCacheTaskFinished(UploadPersistentCacheTaskFinishedRequest)returns(common.v2.PersistentCacheTask);
  // UploadPersistentCacheTaskFailed uploads persistent cache task failed to scheduler.
  rpc UploadPersistentCacheTaskFailed(UploadPersistentCacheTaskFailedRequest)returns(google.protobuf.Empty);
  // Checks information of persistent cache task.
  rpc StatPersistentCacheTask(StatPersistentCacheTaskRequest)returns(common.v2.PersistentCacheTask);
  // DeletePersistentCacheTask releases persistent cache task in scheduler.
  rpc DeletePersistentCacheTask(DeletePersistentCacheTaskRequest)returns(google.protobuf.Empty);
 }
--- a/proto/security.proto
+++ b/proto/security.proto
@ -0,0 +1,51 @@
 /*
 *     Copyright 2022 The Dragonfly Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 syntax = "proto3";
 package security;
 import "google/protobuf/duration.proto";
 // Refer: https://github.com/istio/api/blob/master/security/v1alpha1/ca.proto
 // Istio defines similar api for signing certificate, but it's not applicable in Dragonfly.
 // Certificate request type.
 // Dragonfly supports peers authentication with Mutual TLS(mTLS)
 // For mTLS, all peers need to request TLS certificates for communicating
 // The server side may overwrite ant requested certificate filed based on its policies.
 message CertificateRequest {
  // ASN.1 DER form certificate request.
  // The public key in the CSR is used to generate the certificate,
  // and other fields in the generated certificate may be overwritten by the CA.
  bytes csr = 1;
  // Optional: requested certificate validity period.
  google.protobuf.Duration validity_period = 2;
 }
 // Certificate response type.
 message CertificateResponse {
  // ASN.1 DER form certificate chain.
  repeated bytes certificate_chain = 1;
 }
 // Service for managing certificates issued by the CA.
 service CertificateService {
  // Using provided CSR, returns a signed certificate.
  rpc IssueCertificate(CertificateRequest)
      returns (CertificateResponse) {
  }
 }
--- a/src/common.rs
+++ b/src/common.rs
@ -0,0 +1,356 @@
 /// Peer metadata.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Peer {
    /// Peer id.
    #[prost(string, tag = "1")]
    pub id: ::prost::alloc::string::String,
    /// Pieces of peer.
    #[prost(message, repeated, tag = "2")]
    pub pieces: ::prost::alloc::vec::Vec<Piece>,
    /// Task info.
    #[prost(message, optional, tag = "3")]
    pub task: ::core::option::Option<Task>,
    /// Host info.
    #[prost(message, optional, tag = "4")]
    pub host: ::core::option::Option<Host>,
    /// Peer state.
    #[prost(string, tag = "5")]
    pub state: ::prost::alloc::string::String,
    /// Peer create time.
    #[prost(message, optional, tag = "6")]
    pub created_at: ::core::option::Option<::prost_types::Timestamp>,
    /// Peer update time.
    #[prost(message, optional, tag = "7")]
    pub updated_at: ::core::option::Option<::prost_types::Timestamp>,
 }
 /// Task metadata.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Task {
    /// Task id.
    #[prost(string, tag = "1")]
    pub id: ::prost::alloc::string::String,
    /// Host type.
    #[prost(string, tag = "2")]
    pub r#type: ::prost::alloc::string::String,
    /// Task size scope.
    #[prost(enumeration = "SizeScope", tag = "3")]
    pub size_scope: i32,
    /// Pieces of task.
    #[prost(message, repeated, tag = "4")]
    pub pieces: ::prost::alloc::vec::Vec<Piece>,
    /// Task state.
    #[prost(string, tag = "5")]
    pub state: ::prost::alloc::string::String,
    /// Task metadata.
    #[prost(message, optional, tag = "6")]
    pub metadata: ::core::option::Option<Metadata>,
    /// Task content length.
    #[prost(int64, tag = "7")]
    pub content_length: i64,
    /// Task peer count.
    #[prost(int32, tag = "8")]
    pub peer_count: i32,
    /// Task contains available peer.
    #[prost(bool, tag = "9")]
    pub has_available_peer: bool,
    /// Task create time.
    #[prost(message, optional, tag = "10")]
    pub created_at: ::core::option::Option<::prost_types::Timestamp>,
    /// Task update time.
    #[prost(message, optional, tag = "11")]
    pub updated_at: ::core::option::Option<::prost_types::Timestamp>,
 }
 /// Host metadata.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Host {
    /// Host id.
    #[prost(string, tag = "1")]
    pub id: ::prost::alloc::string::String,
    /// Host ip.
    #[prost(string, tag = "2")]
    pub ip: ::prost::alloc::string::String,
    /// Peer hostname.
    #[prost(string, tag = "3")]
    pub hostname: ::prost::alloc::string::String,
    /// Port of grpc service.
    #[prost(int32, tag = "4")]
    pub port: i32,
    /// Port of download server.
    #[prost(int32, tag = "5")]
    pub download_port: i32,
    /// Security domain for network.
    #[prost(string, tag = "6")]
    pub security_domain: ::prost::alloc::string::String,
    /// Host location(area, country, province, city, etc.).
    #[prost(string, repeated, tag = "7")]
    pub location: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
    /// IDC where the peer host is located.
    #[prost(string, tag = "8")]
    pub idc: ::prost::alloc::string::String,
 }
 /// Range represents download range.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Range {
    /// Begin of range.
    #[prost(uint64, tag = "1")]
    pub begin: u64,
    /// End of range.
    #[prost(uint64, tag = "2")]
    pub end: u64,
 }
 /// Metadata represents metadata of task.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Metadata {
    /// Download url.
    #[prost(string, tag = "1")]
    pub url: ::prost::alloc::string::String,
    /// Digest of the pieces digest, for example md5:xxx or sha256:yyy.
    #[prost(string, tag = "2")]
    pub digest: ::prost::alloc::string::String,
    /// Range is url range of request.
    #[prost(message, optional, tag = "3")]
    pub range: ::core::option::Option<Range>,
    /// Task type.
    #[prost(enumeration = "TaskType", tag = "4")]
    pub r#type: i32,
    /// URL tag identifies different task for same url.
    #[prost(string, tag = "5")]
    pub tag: ::prost::alloc::string::String,
    /// Application of task.
    #[prost(string, tag = "6")]
    pub application: ::prost::alloc::string::String,
    /// Peer priority.
    #[prost(enumeration = "Priority", tag = "7")]
    pub priority: i32,
    /// Filter url used to generate task id.
    #[prost(string, repeated, tag = "8")]
    pub filters: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
    /// Task request headers.
    #[prost(map = "string, string", tag = "9")]
    pub header: ::std::collections::HashMap<
        ::prost::alloc::string::String,
        ::prost::alloc::string::String,
    >,
    /// Task piece size.
    #[prost(int32, tag = "10")]
    pub piece_size: i32,
 }
 /// Piece represents information of piece.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Piece {
    /// Piece number.
    #[prost(uint32, tag = "1")]
    pub number: u32,
    /// Parent peer id.
    #[prost(string, tag = "2")]
    pub parent_id: ::prost::alloc::string::String,
    /// Piece offset.
    #[prost(uint64, tag = "3")]
    pub offset: u64,
    /// Piece size.
    #[prost(uint64, tag = "4")]
    pub size: u64,
    /// Digest of the piece data, for example md5:xxx or sha256:yyy.
    #[prost(string, tag = "5")]
    pub digest: ::prost::alloc::string::String,
    /// Traffic type.
    #[prost(enumeration = "TrafficType", tag = "6")]
    pub traffic_type: i32,
    /// Downloading piece costs time.
    #[prost(message, optional, tag = "7")]
    pub cost: ::core::option::Option<::prost_types::Duration>,
    /// Piece create time.
    #[prost(message, optional, tag = "8")]
    pub created_at: ::core::option::Option<::prost_types::Timestamp>,
 }
 /// ExtendAttribute represents extend of attribution.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct ExtendAttribute {
    /// Task response header, eg: HTTP Response Header
    #[prost(map = "string, string", tag = "1")]
    pub header: ::std::collections::HashMap<
        ::prost::alloc::string::String,
        ::prost::alloc::string::String,
    >,
    /// Task response code, eg: HTTP Status Code
    #[prost(int32, tag = "2")]
    pub status_code: i32,
    /// Task response status, eg: HTTP Status
    #[prost(string, tag = "3")]
    pub status: ::prost::alloc::string::String,
 }
 /// SizeScope represents size scope of task.
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
 #[repr(i32)]
 pub enum SizeScope {
    /// size > one piece size.
    Normal = 0,
    /// 128 byte < size <= one piece size and be plain type.
    Small = 1,
    /// size <= 128 byte and be plain type.
    Tiny = 2,
    /// size == 0 byte and be plain type.
    Empty = 3,
 }
 impl SizeScope {
    /// String value of the enum field names used in the ProtoBuf definition.
    ///
    /// The values are not transformed in any way and thus are considered stable
    /// (if the ProtoBuf definition does not change) and safe for programmatic use.
    pub fn as_str_name(&self) -> &'static str {
        match self {
            SizeScope::Normal => "NORMAL",
            SizeScope::Small => "SMALL",
            SizeScope::Tiny => "TINY",
            SizeScope::Empty => "EMPTY",
        }
    }
    /// Creates an enum from field names used in the ProtoBuf definition.
    pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
        match value {
            "NORMAL" => Some(Self::Normal),
            "SMALL" => Some(Self::Small),
            "TINY" => Some(Self::Tiny),
            "EMPTY" => Some(Self::Empty),
            _ => None,
        }
    }
 }
 /// TaskType represents type of task.
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
 #[repr(i32)]
 pub enum TaskType {
    /// DFDAEMON is dfdeamon type of task,
    /// dfdeamon task is a normal p2p task.
    Dfdaemon = 0,
    /// DFCACHE is dfcache type of task,
    /// dfcache task is a cache task, and the task url is fake url.
    /// It can only be used for caching and cannot be downloaded back to source.
    Dfcache = 1,
    /// DFSTORE is dfstore type of task,
    /// dfstore task is a persistent task in backend.
    Dfstore = 2,
 }
 impl TaskType {
    /// String value of the enum field names used in the ProtoBuf definition.
    ///
    /// The values are not transformed in any way and thus are considered stable
    /// (if the ProtoBuf definition does not change) and safe for programmatic use.
    pub fn as_str_name(&self) -> &'static str {
        match self {
            TaskType::Dfdaemon => "DFDAEMON",
            TaskType::Dfcache => "DFCACHE",
            TaskType::Dfstore => "DFSTORE",
        }
    }
    /// Creates an enum from field names used in the ProtoBuf definition.
    pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
        match value {
            "DFDAEMON" => Some(Self::Dfdaemon),
            "DFCACHE" => Some(Self::Dfcache),
            "DFSTORE" => Some(Self::Dfstore),
            _ => None,
        }
    }
 }
 /// TrafficType represents type of traffic.
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
 #[repr(i32)]
 pub enum TrafficType {
    /// BACK_TO_SOURCE is to download traffic from the source.
    BackToSource = 0,
    /// REMOTE_PEER is to download traffic from the remote peer.
    RemotePeer = 1,
    /// LOCAL_PEER is to download traffic from the local peer.
    LocalPeer = 2,
 }
 impl TrafficType {
    /// String value of the enum field names used in the ProtoBuf definition.
    ///
    /// The values are not transformed in any way and thus are considered stable
    /// (if the ProtoBuf definition does not change) and safe for programmatic use.
    pub fn as_str_name(&self) -> &'static str {
        match self {
            TrafficType::BackToSource => "BACK_TO_SOURCE",
            TrafficType::RemotePeer => "REMOTE_PEER",
            TrafficType::LocalPeer => "LOCAL_PEER",
        }
    }
    /// Creates an enum from field names used in the ProtoBuf definition.
    pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
        match value {
            "BACK_TO_SOURCE" => Some(Self::BackToSource),
            "REMOTE_PEER" => Some(Self::RemotePeer),
            "LOCAL_PEER" => Some(Self::LocalPeer),
            _ => None,
        }
    }
 }
 /// Priority represents priority of application.
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
 #[repr(i32)]
 pub enum Priority {
    /// LEVEL0 has no special meaning for scheduler.
    Level0 = 0,
    /// LEVEL1 represents the download task is forbidden,
    /// and an error code is returned during the registration.
    Level1 = 1,
    /// LEVEL2 represents when the task is downloaded for the first time,
    /// allow peers to download from the other peers,
    /// but not back-to-source. When the task is not downloaded for
    /// the first time, it is scheduled normally.
    Level2 = 2,
    /// LEVEL3 represents when the task is downloaded for the first time,
    /// the normal peer is first to download back-to-source.
    /// When the task is not downloaded for the first time, it is scheduled normally.
    Level3 = 3,
    /// LEVEL4 represents when the task is downloaded for the first time,
    /// the weak peer is first triggered to back-to-source.
    /// When the task is not downloaded for the first time, it is scheduled normally.
    Level4 = 4,
    /// LEVEL5 represents when the task is downloaded for the first time,
    /// the strong peer is first triggered to back-to-source.
    /// When the task is not downloaded for the first time, it is scheduled normally.
    Level5 = 5,
    /// LEVEL6 represents when the task is downloaded for the first time,
    /// the super peer is first triggered to back-to-source.
    /// When the task is not downloaded for the first time, it is scheduled normally.
    Level6 = 6,
 }
 impl Priority {
    /// String value of the enum field names used in the ProtoBuf definition.
    ///
    /// The values are not transformed in any way and thus are considered stable
    /// (if the ProtoBuf definition does not change) and safe for programmatic use.
    pub fn as_str_name(&self) -> &'static str {
        match self {
            Priority::Level0 => "LEVEL0",
            Priority::Level1 => "LEVEL1",
            Priority::Level2 => "LEVEL2",
            Priority::Level3 => "LEVEL3",
            Priority::Level4 => "LEVEL4",
            Priority::Level5 => "LEVEL5",
            Priority::Level6 => "LEVEL6",
        }
    }
    /// Creates an enum from field names used in the ProtoBuf definition.
    pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
        match value {
            "LEVEL0" => Some(Self::Level0),
            "LEVEL1" => Some(Self::Level1),
            "LEVEL2" => Some(Self::Level2),
            "LEVEL3" => Some(Self::Level3),
            "LEVEL4" => Some(Self::Level4),
            "LEVEL5" => Some(Self::Level5),
            "LEVEL6" => Some(Self::Level6),
            _ => None,
        }
    }
 }
--- a/src/common.v2.rs
+++ b/src/common.v2.rs
@ -1,779 +0,0 @@
 // This file is @generated by prost-build.
 /// Peer metadata.
 #[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Peer {
    /// Peer id.
    #[prost(string, tag = "1")]
    pub id: ::prost::alloc::string::String,
    /// Range is url range of request.
    #[prost(message, optional, tag = "2")]
    pub range: ::core::option::Option<Range>,
    /// Peer priority.
    #[prost(enumeration = "Priority", tag = "3")]
    pub priority: i32,
    /// Pieces of peer.
    #[prost(message, repeated, tag = "4")]
    pub pieces: ::prost::alloc::vec::Vec<Piece>,
    /// Peer downloads costs time.
    #[prost(message, optional, tag = "5")]
    pub cost: ::core::option::Option<::prost_wkt_types::Duration>,
    /// Peer state.
    #[prost(string, tag = "6")]
    pub state: ::prost::alloc::string::String,
    /// Task info.
    #[prost(message, optional, tag = "7")]
    pub task: ::core::option::Option<Task>,
    /// Host info.
    #[prost(message, optional, tag = "8")]
    pub host: ::core::option::Option<Host>,
    /// NeedBackToSource needs downloaded from source.
    #[prost(bool, tag = "9")]
    pub need_back_to_source: bool,
    /// Peer create time.
    #[prost(message, optional, tag = "10")]
    pub created_at: ::core::option::Option<::prost_wkt_types::Timestamp>,
    /// Peer update time.
    #[prost(message, optional, tag = "11")]
    pub updated_at: ::core::option::Option<::prost_wkt_types::Timestamp>,
 }
 /// PersistentCachePeer metadata.
 #[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct PersistentCachePeer {
    /// Peer id.
    #[prost(string, tag = "1")]
    pub id: ::prost::alloc::string::String,
    /// Persistent represents whether the persistent cache peer is persistent.
    /// If the persistent cache peer is persistent, the persistent cache peer will
    /// not be deleted when dfdaemon runs garbage collection. It only be deleted
    /// when the task is deleted by the user.
    #[prost(bool, tag = "2")]
    pub persistent: bool,
    /// Peer downloads costs time.
    #[prost(message, optional, tag = "3")]
    pub cost: ::core::option::Option<::prost_wkt_types::Duration>,
    /// Peer state.
    #[prost(string, tag = "4")]
    pub state: ::prost::alloc::string::String,
    /// Persistent task info.
    #[prost(message, optional, tag = "5")]
    pub task: ::core::option::Option<PersistentCacheTask>,
    /// Host info.
    #[prost(message, optional, tag = "6")]
    pub host: ::core::option::Option<Host>,
    /// Peer create time.
    #[prost(message, optional, tag = "7")]
    pub created_at: ::core::option::Option<::prost_wkt_types::Timestamp>,
    /// Peer update time.
    #[prost(message, optional, tag = "8")]
    pub updated_at: ::core::option::Option<::prost_wkt_types::Timestamp>,
 }
 /// Task metadata.
 #[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Task {
    /// Task id.
    #[prost(string, tag = "1")]
    pub id: ::prost::alloc::string::String,
    /// Task type.
    #[prost(enumeration = "TaskType", tag = "2")]
    pub r#type: i32,
    /// Download url.
    #[prost(string, tag = "3")]
    pub url: ::prost::alloc::string::String,
    /// Verifies task data integrity after download using a digest. Supports CRC32, SHA256, and SHA512 algorithms.
    /// Format: `<algorithm>:<hash>`, e.g., `crc32:xxx`, `sha256:yyy`, `sha512:zzz`.
    /// Returns an error if the computed digest mismatches the expected value.
    ///
    /// Performance
    /// Digest calculation increases processing time. Enable only when data integrity verification is critical.
    #[prost(string, optional, tag = "4")]
    pub digest: ::core::option::Option<::prost::alloc::string::String>,
    /// URL tag identifies different task for same url.
    #[prost(string, optional, tag = "5")]
    pub tag: ::core::option::Option<::prost::alloc::string::String>,
    /// Application of task.
    #[prost(string, optional, tag = "6")]
    pub application: ::core::option::Option<::prost::alloc::string::String>,
    /// Filtered query params to generate the task id.
    /// When filter is \["Signature", "Expires", "ns"\], for example:
    /// <http://example.com/xyz?Expires=e1&Signature=s1&ns=docker.io> and <http://example.com/xyz?Expires=e2&Signature=s2&ns=docker.io>
    /// will generate the same task id.
    /// Default value includes the filtered query params of s3, gcs, oss, obs, cos.
    #[prost(string, repeated, tag = "7")]
    pub filtered_query_params: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
    /// Task request headers.
    #[prost(map = "string, string", tag = "8")]
    pub request_header: ::std::collections::HashMap<
        ::prost::alloc::string::String,
        ::prost::alloc::string::String,
    >,
    /// Task content length.
    #[prost(uint64, tag = "9")]
    pub content_length: u64,
    /// Task piece count.
    #[prost(uint32, tag = "10")]
    pub piece_count: u32,
    /// Task size scope.
    #[prost(enumeration = "SizeScope", tag = "11")]
    pub size_scope: i32,
    /// Pieces of task.
    #[prost(message, repeated, tag = "12")]
    pub pieces: ::prost::alloc::vec::Vec<Piece>,
    /// Task state.
    #[prost(string, tag = "13")]
    pub state: ::prost::alloc::string::String,
    /// Task peer count.
    #[prost(uint32, tag = "14")]
    pub peer_count: u32,
    /// Task contains available peer.
    #[prost(bool, tag = "15")]
    pub has_available_peer: bool,
    /// Task create time.
    #[prost(message, optional, tag = "16")]
    pub created_at: ::core::option::Option<::prost_wkt_types::Timestamp>,
    /// Task update time.
    #[prost(message, optional, tag = "17")]
    pub updated_at: ::core::option::Option<::prost_wkt_types::Timestamp>,
 }
 /// PersistentCacheTask metadata.
 #[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct PersistentCacheTask {
    /// Task id.
    #[prost(string, tag = "1")]
    pub id: ::prost::alloc::string::String,
    /// Replica count of the persistent cache task. The persistent cache task will
    /// not be deleted when dfdamon runs garbage collection. It only be deleted
    /// when the task is deleted by the user.
    #[prost(uint64, tag = "2")]
    pub persistent_replica_count: u64,
    /// Current replica count of the persistent cache task. The persistent cache task
    /// will not be deleted when dfdaemon runs garbage collection. It only be deleted
    /// when the task is deleted by the user.
    #[prost(uint64, tag = "3")]
    pub current_persistent_replica_count: u64,
    /// Current replica count of the cache task. If cache task is not persistent,
    /// the persistent cache task will be deleted when dfdaemon runs garbage collection.
    #[prost(uint64, tag = "4")]
    pub current_replica_count: u64,
    /// Tag is used to distinguish different persistent cache tasks.
    #[prost(string, optional, tag = "5")]
    pub tag: ::core::option::Option<::prost::alloc::string::String>,
    /// Application of task.
    #[prost(string, optional, tag = "6")]
    pub application: ::core::option::Option<::prost::alloc::string::String>,
    /// Task piece length.
    #[prost(uint64, tag = "7")]
    pub piece_length: u64,
    /// Task content length.
    #[prost(uint64, tag = "8")]
    pub content_length: u64,
    /// Task piece count.
    #[prost(uint32, tag = "9")]
    pub piece_count: u32,
    /// Task state.
    #[prost(string, tag = "10")]
    pub state: ::prost::alloc::string::String,
    /// TTL of the persistent cache task.
    #[prost(message, optional, tag = "11")]
    pub ttl: ::core::option::Option<::prost_wkt_types::Duration>,
    /// Task create time.
    #[prost(message, optional, tag = "12")]
    pub created_at: ::core::option::Option<::prost_wkt_types::Timestamp>,
    /// Task update time.
    #[prost(message, optional, tag = "13")]
    pub updated_at: ::core::option::Option<::prost_wkt_types::Timestamp>,
 }
 /// Host metadata.
 #[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Host {
    /// Host id.
    #[prost(string, tag = "1")]
    pub id: ::prost::alloc::string::String,
    /// Host type.
    #[prost(uint32, tag = "2")]
    pub r#type: u32,
    /// Hostname.
    #[prost(string, tag = "3")]
    pub hostname: ::prost::alloc::string::String,
    /// Host ip.
    #[prost(string, tag = "4")]
    pub ip: ::prost::alloc::string::String,
    /// Port of grpc service.
    #[prost(int32, tag = "5")]
    pub port: i32,
    /// Port of download server.
    #[prost(int32, tag = "6")]
    pub download_port: i32,
    /// Host OS.
    #[prost(string, tag = "7")]
    pub os: ::prost::alloc::string::String,
    /// Host platform.
    #[prost(string, tag = "8")]
    pub platform: ::prost::alloc::string::String,
    /// Host platform family.
    #[prost(string, tag = "9")]
    pub platform_family: ::prost::alloc::string::String,
    /// Host platform version.
    #[prost(string, tag = "10")]
    pub platform_version: ::prost::alloc::string::String,
    /// Host kernel version.
    #[prost(string, tag = "11")]
    pub kernel_version: ::prost::alloc::string::String,
    /// CPU Stat.
    #[prost(message, optional, tag = "12")]
    pub cpu: ::core::option::Option<Cpu>,
    /// Memory Stat.
    #[prost(message, optional, tag = "13")]
    pub memory: ::core::option::Option<Memory>,
    /// Network Stat.
    #[prost(message, optional, tag = "14")]
    pub network: ::core::option::Option<Network>,
    /// Disk Stat.
    #[prost(message, optional, tag = "15")]
    pub disk: ::core::option::Option<Disk>,
    /// Build information.
    #[prost(message, optional, tag = "16")]
    pub build: ::core::option::Option<Build>,
    /// ID of the cluster to which the host belongs.
    #[prost(uint64, tag = "17")]
    pub scheduler_cluster_id: u64,
    /// Disable shared data for other peers.
    #[prost(bool, tag = "18")]
    pub disable_shared: bool,
 }
 /// CPU Stat.
 #[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, Copy, PartialEq, ::prost::Message)]
 pub struct Cpu {
    /// Number of logical cores in the system.
    #[prost(uint32, tag = "1")]
    pub logical_count: u32,
    /// Number of physical cores in the system
    #[prost(uint32, tag = "2")]
    pub physical_count: u32,
    /// Percent calculates the percentage of cpu used.
    #[prost(double, tag = "3")]
    pub percent: f64,
    /// Calculates the percentage of cpu used by process.
    #[prost(double, tag = "4")]
    pub process_percent: f64,
    /// CPUTimes contains the amounts of time the CPU has spent performing different kinds of work.
    #[prost(message, optional, tag = "5")]
    pub times: ::core::option::Option<CpuTimes>,
 }
 /// CPUTimes contains the amounts of time the CPU has spent performing different
 /// kinds of work. Time units are in seconds.
 #[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, Copy, PartialEq, ::prost::Message)]
 pub struct CpuTimes {
    /// CPU time of user.
    #[prost(double, tag = "1")]
    pub user: f64,
    /// CPU time of system.
    #[prost(double, tag = "2")]
    pub system: f64,
    /// CPU time of idle.
    #[prost(double, tag = "3")]
    pub idle: f64,
    /// CPU time of nice.
    #[prost(double, tag = "4")]
    pub nice: f64,
    /// CPU time of iowait.
    #[prost(double, tag = "5")]
    pub iowait: f64,
    /// CPU time of irq.
    #[prost(double, tag = "6")]
    pub irq: f64,
    /// CPU time of softirq.
    #[prost(double, tag = "7")]
    pub softirq: f64,
    /// CPU time of steal.
    #[prost(double, tag = "8")]
    pub steal: f64,
    /// CPU time of guest.
    #[prost(double, tag = "9")]
    pub guest: f64,
    /// CPU time of guest nice.
    #[prost(double, tag = "10")]
    pub guest_nice: f64,
 }
 /// Memory Stat.
 #[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, Copy, PartialEq, ::prost::Message)]
 pub struct Memory {
    /// Total amount of RAM on this system.
    #[prost(uint64, tag = "1")]
    pub total: u64,
    /// RAM available for programs to allocate.
    #[prost(uint64, tag = "2")]
    pub available: u64,
    /// RAM used by programs.
    #[prost(uint64, tag = "3")]
    pub used: u64,
    /// Percentage of RAM used by programs.
    #[prost(double, tag = "4")]
    pub used_percent: f64,
    /// Calculates the percentage of memory used by process.
    #[prost(double, tag = "5")]
    pub process_used_percent: f64,
    /// This is the kernel's notion of free memory.
    #[prost(uint64, tag = "6")]
    pub free: u64,
 }
 /// Network Stat.
 #[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Network {
    /// Return count of tcp connections opened and status is ESTABLISHED.
    #[prost(uint32, tag = "1")]
    pub tcp_connection_count: u32,
    /// Return count of upload tcp connections opened and status is ESTABLISHED.
    #[prost(uint32, tag = "2")]
    pub upload_tcp_connection_count: u32,
    /// Location path(area|country|province|city|...).
    #[prost(string, optional, tag = "3")]
    pub location: ::core::option::Option<::prost::alloc::string::String>,
    /// IDC where the peer host is located
    #[prost(string, optional, tag = "4")]
    pub idc: ::core::option::Option<::prost::alloc::string::String>,
    /// Download rate is received bytes per second.
    #[prost(uint64, tag = "5")]
    pub download_rate: u64,
    /// Download rate is the limit of received bytes per second.
    #[prost(uint64, tag = "6")]
    pub download_rate_limit: u64,
    /// Upload rate is transmitted bytes per second.
    #[prost(uint64, tag = "7")]
    pub upload_rate: u64,
    /// Upload rate is the limit of transmitted bytes per second.
    #[prost(uint64, tag = "8")]
    pub upload_rate_limit: u64,
 }
 /// Disk Stat.
 #[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, Copy, PartialEq, ::prost::Message)]
 pub struct Disk {
    /// Total amount of disk on the data path of dragonfly.
    #[prost(uint64, tag = "1")]
    pub total: u64,
    /// Free amount of disk on the data path of dragonfly.
    #[prost(uint64, tag = "2")]
    pub free: u64,
    /// Used amount of disk on the data path of dragonfly.
    #[prost(uint64, tag = "3")]
    pub used: u64,
    /// Used percent of disk on the data path of dragonfly directory.
    #[prost(double, tag = "4")]
    pub used_percent: f64,
    /// Total amount of indoes on the data path of dragonfly directory.
    #[prost(uint64, tag = "5")]
    pub inodes_total: u64,
    /// Used amount of indoes on the data path of dragonfly directory.
    #[prost(uint64, tag = "6")]
    pub inodes_used: u64,
    /// Free amount of indoes on the data path of dragonfly directory.
    #[prost(uint64, tag = "7")]
    pub inodes_free: u64,
    /// Used percent of indoes on the data path of dragonfly directory.
    #[prost(double, tag = "8")]
    pub inodes_used_percent: f64,
    /// Disk read bandwidth, in bytes per second.
    #[prost(uint64, tag = "9")]
    pub read_bandwidth: u64,
    /// Disk write bandwidth, in bytes per second.
    #[prost(uint64, tag = "10")]
    pub write_bandwidth: u64,
 }
 /// Build information.
 #[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Build {
    /// Git version.
    #[prost(string, tag = "1")]
    pub git_version: ::prost::alloc::string::String,
    /// Git commit.
    #[prost(string, optional, tag = "2")]
    pub git_commit: ::core::option::Option<::prost::alloc::string::String>,
    /// Golang version.
    #[prost(string, optional, tag = "3")]
    pub go_version: ::core::option::Option<::prost::alloc::string::String>,
    /// Rust version.
    #[prost(string, optional, tag = "4")]
    pub rust_version: ::core::option::Option<::prost::alloc::string::String>,
    /// Build platform.
    #[prost(string, optional, tag = "5")]
    pub platform: ::core::option::Option<::prost::alloc::string::String>,
 }
 /// Download information.
 #[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Download {
    /// Download url.
    #[prost(string, tag = "1")]
    pub url: ::prost::alloc::string::String,
    /// Digest of the task digest, for example :xxx or sha256:yyy.
    #[prost(string, optional, tag = "2")]
    pub digest: ::core::option::Option<::prost::alloc::string::String>,
    /// Range is url range of request. If protocol is http, range
    /// will set in request header. If protocol is others, range
    /// will set in range field.
    #[prost(message, optional, tag = "3")]
    pub range: ::core::option::Option<Range>,
    /// Task type.
    #[prost(enumeration = "TaskType", tag = "4")]
    pub r#type: i32,
    /// URL tag identifies different task for same url.
    #[prost(string, optional, tag = "5")]
    pub tag: ::core::option::Option<::prost::alloc::string::String>,
    /// Application of task.
    #[prost(string, optional, tag = "6")]
    pub application: ::core::option::Option<::prost::alloc::string::String>,
    /// Peer priority.
    #[prost(enumeration = "Priority", tag = "7")]
    pub priority: i32,
    /// Filtered query params to generate the task id.
    /// When filter is \["Signature", "Expires", "ns"\], for example:
    /// <http://example.com/xyz?Expires=e1&Signature=s1&ns=docker.io> and <http://example.com/xyz?Expires=e2&Signature=s2&ns=docker.io>
    /// will generate the same task id.
    /// Default value includes the filtered query params of s3, gcs, oss, obs, cos.
    #[prost(string, repeated, tag = "8")]
    pub filtered_query_params: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
    /// Task request headers.
    #[prost(map = "string, string", tag = "9")]
    pub request_header: ::std::collections::HashMap<
        ::prost::alloc::string::String,
        ::prost::alloc::string::String,
    >,
    /// Task piece length.
    #[prost(uint64, optional, tag = "10")]
    pub piece_length: ::core::option::Option<u64>,
    /// File path to be downloaded. If output_path is set, the downloaded file will be saved to the specified path.
    /// Dfdaemon will try to create hard link to the output path before starting the download. If hard link creation fails,
    /// it will copy the file to the output path after the download is completed.
    /// For more details refer to <https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.>
    #[prost(string, optional, tag = "11")]
    pub output_path: ::core::option::Option<::prost::alloc::string::String>,
    /// Download timeout.
    #[prost(message, optional, tag = "12")]
    pub timeout: ::core::option::Option<::prost_wkt_types::Duration>,
    /// Dfdaemon cannot download the task from the source if disable_back_to_source is true.
    #[prost(bool, tag = "13")]
    pub disable_back_to_source: bool,
    /// Scheduler needs to schedule the task downloads from the source if need_back_to_source is true.
    #[prost(bool, tag = "14")]
    pub need_back_to_source: bool,
    /// certificate_chain is the client certs with DER format for the backend client to download back-to-source.
    #[prost(bytes = "vec", repeated, tag = "15")]
    pub certificate_chain: ::prost::alloc::vec::Vec<::prost::alloc::vec::Vec<u8>>,
    /// Prefetch pre-downloads all pieces of the task when the download task request is a range request.
    #[prost(bool, tag = "16")]
    pub prefetch: bool,
    /// Object storage protocol information.
    #[prost(message, optional, tag = "17")]
    pub object_storage: ::core::option::Option<ObjectStorage>,
    /// HDFS protocol information.
    #[prost(message, optional, tag = "18")]
    pub hdfs: ::core::option::Option<Hdfs>,
    /// is_prefetch is the flag to indicate whether the request is a prefetch request.
    #[prost(bool, tag = "19")]
    pub is_prefetch: bool,
    /// need_piece_content is the flag to indicate whether the response needs to return piece content.
    #[prost(bool, tag = "20")]
    pub need_piece_content: bool,
    /// load_to_cache indicates whether the content downloaded will be stored in the cache storage.
    /// Cache storage is designed to store downloaded piece content from preheat tasks,
    /// allowing other peers to access the content from memory instead of disk.
    #[prost(bool, tag = "21")]
    pub load_to_cache: bool,
    /// force_hard_link is the flag to indicate whether the download file must be hard linked to the output path.
    /// For more details refer to <https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.>
    #[prost(bool, tag = "22")]
    pub force_hard_link: bool,
    /// content_for_calculating_task_id is the content used to calculate the task id.
    /// If content_for_calculating_task_id is set, use its value to calculate the task ID.
    /// Otherwise, calculate the task ID based on url, piece_length, tag, application, and filtered_query_params.
    #[prost(string, optional, tag = "23")]
    pub content_for_calculating_task_id: ::core::option::Option<
        ::prost::alloc::string::String,
    >,
    /// remote_ip represents the IP address of the client initiating the download request.
    /// For proxy requests, it is set to the IP address of the request source.
    /// For dfget requests, it is set to the IP address of the dfget.
    #[prost(string, optional, tag = "24")]
    pub remote_ip: ::core::option::Option<::prost::alloc::string::String>,
 }
 /// Object Storage related information.
 #[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct ObjectStorage {
    /// Region is the region of the object storage service.
    #[prost(string, optional, tag = "1")]
    pub region: ::core::option::Option<::prost::alloc::string::String>,
    /// Endpoint is the endpoint of the object storage service.
    #[prost(string, optional, tag = "2")]
    pub endpoint: ::core::option::Option<::prost::alloc::string::String>,
    /// Access key that used to access the object storage service.
    #[prost(string, optional, tag = "3")]
    pub access_key_id: ::core::option::Option<::prost::alloc::string::String>,
    /// Access secret that used to access the object storage service.
    #[prost(string, optional, tag = "4")]
    pub access_key_secret: ::core::option::Option<::prost::alloc::string::String>,
    /// Session token that used to access s3 storage service.
    #[prost(string, optional, tag = "5")]
    pub session_token: ::core::option::Option<::prost::alloc::string::String>,
    /// Local path to credential file for Google Cloud Storage service OAuth2 authentication.
    #[prost(string, optional, tag = "6")]
    pub credential_path: ::core::option::Option<::prost::alloc::string::String>,
    /// Predefined ACL that used for the Google Cloud Storage service.
    #[prost(string, optional, tag = "7")]
    pub predefined_acl: ::core::option::Option<::prost::alloc::string::String>,
 }
 /// HDFS related information.
 #[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Hdfs {
    /// Delegation token for Web HDFS operator.
    #[prost(string, optional, tag = "1")]
    pub delegation_token: ::core::option::Option<::prost::alloc::string::String>,
 }
 /// Range represents download range.
 #[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, Copy, PartialEq, ::prost::Message)]
 pub struct Range {
    /// Start of range.
    #[prost(uint64, tag = "1")]
    pub start: u64,
    /// Length of range.
    #[prost(uint64, tag = "2")]
    pub length: u64,
 }
 /// Piece represents information of piece.
 #[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Piece {
    /// Piece number.
    #[prost(uint32, tag = "1")]
    pub number: u32,
    /// Parent peer id.
    #[prost(string, optional, tag = "2")]
    pub parent_id: ::core::option::Option<::prost::alloc::string::String>,
    /// Piece offset.
    #[prost(uint64, tag = "3")]
    pub offset: u64,
    /// Piece length.
    #[prost(uint64, tag = "4")]
    pub length: u64,
    /// Digest of the piece data, for example blake3:xxx or sha256:yyy.
    #[prost(string, tag = "5")]
    pub digest: ::prost::alloc::string::String,
    /// Piece content.
    #[prost(bytes = "vec", optional, tag = "6")]
    pub content: ::core::option::Option<::prost::alloc::vec::Vec<u8>>,
    /// Traffic type.
    #[prost(enumeration = "TrafficType", optional, tag = "7")]
    pub traffic_type: ::core::option::Option<i32>,
    /// Downloading piece costs time.
    #[prost(message, optional, tag = "8")]
    pub cost: ::core::option::Option<::prost_wkt_types::Duration>,
    /// Piece create time.
    #[prost(message, optional, tag = "9")]
    pub created_at: ::core::option::Option<::prost_wkt_types::Timestamp>,
 }
 /// SizeScope represents size scope of task.
 #[derive(serde::Serialize, serde::Deserialize)]
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
 #[repr(i32)]
 pub enum SizeScope {
    /// size > one piece size.
    Normal = 0,
    /// 128 byte < size <= one piece size and be plain type.
    Small = 1,
    /// size <= 128 byte and be plain type.
    Tiny = 2,
    /// size == 0 byte and be plain type.
    Empty = 3,
 }
 impl SizeScope {
    /// String value of the enum field names used in the ProtoBuf definition.
    ///
    /// The values are not transformed in any way and thus are considered stable
    /// (if the ProtoBuf definition does not change) and safe for programmatic use.
    pub fn as_str_name(&self) -> &'static str {
        match self {
            SizeScope::Normal => "NORMAL",
            SizeScope::Small => "SMALL",
            SizeScope::Tiny => "TINY",
            SizeScope::Empty => "EMPTY",
        }
    }
    /// Creates an enum from field names used in the ProtoBuf definition.
    pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
        match value {
            "NORMAL" => Some(Self::Normal),
            "SMALL" => Some(Self::Small),
            "TINY" => Some(Self::Tiny),
            "EMPTY" => Some(Self::Empty),
            _ => None,
        }
    }
 }
 /// TaskType represents type of task.
 #[derive(serde::Serialize, serde::Deserialize)]
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
 #[repr(i32)]
 pub enum TaskType {
    /// STANDARD is standard type of task, it can download from source, remote peer and
    /// local peer(local cache). When the standard task is never downloaded in the
    /// P2P cluster, dfdaemon will download the task from the source. When the standard
    /// task is downloaded in the P2P cluster, dfdaemon will download the task from
    /// the remote peer or local peer(local cache).
    Standard = 0,
    /// PERSISTENT is persistent type of task, it can import file and export file in P2P cluster.
    /// When the persistent task is imported into the P2P cluster, dfdaemon will store
    /// the task in the peer's disk and copy multiple replicas to remote peers to
    /// prevent data loss.
    Persistent = 1,
    /// PERSISTENT_CACHE is persistent cache type of task, it can import file and export file in P2P cluster.
    /// When the persistent cache task is imported into the P2P cluster, dfdaemon will store
    /// the task in the peer's disk and copy multiple replicas to remote peers to prevent data loss.
    /// When the expiration time is reached, task will be deleted in the P2P cluster.
    PersistentCache = 2,
 }
 impl TaskType {
    /// String value of the enum field names used in the ProtoBuf definition.
    ///
    /// The values are not transformed in any way and thus are considered stable
    /// (if the ProtoBuf definition does not change) and safe for programmatic use.
    pub fn as_str_name(&self) -> &'static str {
        match self {
            TaskType::Standard => "STANDARD",
            TaskType::Persistent => "PERSISTENT",
            TaskType::PersistentCache => "PERSISTENT_CACHE",
        }
    }
    /// Creates an enum from field names used in the ProtoBuf definition.
    pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
        match value {
            "STANDARD" => Some(Self::Standard),
            "PERSISTENT" => Some(Self::Persistent),
            "PERSISTENT_CACHE" => Some(Self::PersistentCache),
            _ => None,
        }
    }
 }
 /// TrafficType represents type of traffic.
 #[derive(serde::Serialize, serde::Deserialize)]
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
 #[repr(i32)]
 pub enum TrafficType {
    /// BACK_TO_SOURCE is to download traffic from the source.
    BackToSource = 0,
    /// REMOTE_PEER is to download traffic from the remote peer.
    RemotePeer = 1,
    /// LOCAL_PEER is to download traffic from the local peer.
    LocalPeer = 2,
 }
 impl TrafficType {
    /// String value of the enum field names used in the ProtoBuf definition.
    ///
    /// The values are not transformed in any way and thus are considered stable
    /// (if the ProtoBuf definition does not change) and safe for programmatic use.
    pub fn as_str_name(&self) -> &'static str {
        match self {
            TrafficType::BackToSource => "BACK_TO_SOURCE",
            TrafficType::RemotePeer => "REMOTE_PEER",
            TrafficType::LocalPeer => "LOCAL_PEER",
        }
    }
    /// Creates an enum from field names used in the ProtoBuf definition.
    pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
        match value {
            "BACK_TO_SOURCE" => Some(Self::BackToSource),
            "REMOTE_PEER" => Some(Self::RemotePeer),
            "LOCAL_PEER" => Some(Self::LocalPeer),
            _ => None,
        }
    }
 }
 /// Priority represents priority of application.
 #[derive(serde::Serialize, serde::Deserialize)]
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
 #[repr(i32)]
 pub enum Priority {
    /// LEVEL0 has no special meaning for scheduler.
    Level0 = 0,
    /// LEVEL1 represents the download task is forbidden,
    /// and an error code is returned during the registration.
    Level1 = 1,
    /// LEVEL2 represents when the task is downloaded for the first time,
    /// allow peers to download from the other peers,
    /// but not back-to-source. When the task is not downloaded for
    /// the first time, it is scheduled normally.
    Level2 = 2,
    /// LEVEL3 represents when the task is downloaded for the first time,
    /// the normal peer is first to download back-to-source.
    /// When the task is not downloaded for the first time, it is scheduled normally.
    Level3 = 3,
    /// LEVEL4 represents when the task is downloaded for the first time,
    /// the weak peer is first triggered to back-to-source.
    /// When the task is not downloaded for the first time, it is scheduled normally.
    Level4 = 4,
    /// LEVEL5 represents when the task is downloaded for the first time,
    /// the strong peer is first triggered to back-to-source.
    /// When the task is not downloaded for the first time, it is scheduled normally.
    Level5 = 5,
    /// LEVEL6 represents when the task is downloaded for the first time,
    /// the super peer is first triggered to back-to-source.
    /// When the task is not downloaded for the first time, it is scheduled normally.
    Level6 = 6,
 }
 impl Priority {
    /// String value of the enum field names used in the ProtoBuf definition.
    ///
    /// The values are not transformed in any way and thus are considered stable
    /// (if the ProtoBuf definition does not change) and safe for programmatic use.
    pub fn as_str_name(&self) -> &'static str {
        match self {
            Priority::Level0 => "LEVEL0",
            Priority::Level1 => "LEVEL1",
            Priority::Level2 => "LEVEL2",
            Priority::Level3 => "LEVEL3",
            Priority::Level4 => "LEVEL4",
            Priority::Level5 => "LEVEL5",
            Priority::Level6 => "LEVEL6",
        }
    }
    /// Creates an enum from field names used in the ProtoBuf definition.
    pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
        match value {
            "LEVEL0" => Some(Self::Level0),
            "LEVEL1" => Some(Self::Level1),
            "LEVEL2" => Some(Self::Level2),
            "LEVEL3" => Some(Self::Level3),
            "LEVEL4" => Some(Self::Level4),
            "LEVEL5" => Some(Self::Level5),
            "LEVEL6" => Some(Self::Level6),
            _ => None,
        }
    }
 }
--- a/src/descriptor.bin
+++ b/src/descriptor.bin
--- a/src/dfdaemon.rs
+++ b/src/dfdaemon.rs
@ -0,0 +1,717 @@
 /// InterestedAllPiecesRequest represents interested all pieces request of SyncPiecesRequest.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct InterestedAllPiecesRequest {}
 /// InterestedPiecesRequest represents interested pieces request of SyncPiecesRequest.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct InterestedPiecesRequest {
    /// Interested piece numbers.
    #[prost(uint32, repeated, tag = "1")]
    pub piece_numbers: ::prost::alloc::vec::Vec<u32>,
 }
 /// StatMetadata represents stat metadata request of SyncPiecesRequest.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct StatMetadataRequest {}
 /// SyncPiecesRequest represents request of AnnouncePeer.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct SyncPiecesRequest {
    #[prost(oneof = "sync_pieces_request::Request", tags = "1, 2, 3")]
    pub request: ::core::option::Option<sync_pieces_request::Request>,
 }
 /// Nested message and enum types in `SyncPiecesRequest`.
 pub mod sync_pieces_request {
    #[allow(clippy::derive_partial_eq_without_eq)]
    #[derive(Clone, PartialEq, ::prost::Oneof)]
    pub enum Request {
        #[prost(message, tag = "1")]
        InterestedAllPiecesRequest(super::InterestedAllPiecesRequest),
        #[prost(message, tag = "2")]
        InterestedPiecesRequest(super::InterestedPiecesRequest),
        #[prost(message, tag = "3")]
        StatMetadataRequest(super::StatMetadataRequest),
    }
 }
 /// InterestedPiecesResponse represents interested pieces response of SyncPiecesResponse.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct InterestedPiecesResponse {
    /// Interested pieces of task.
    #[prost(message, repeated, tag = "1")]
    pub pieces: ::prost::alloc::vec::Vec<super::common::Piece>,
 }
 /// StatMetadata represents stat metadata request of SyncPiecesResponse.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct StatMetadataResponse {
    /// Task metadata.
    #[prost(message, optional, tag = "1")]
    pub metadata: ::core::option::Option<super::common::Metadata>,
 }
 /// SyncPiecesResponse represents response of SyncPieces.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct SyncPiecesResponse {
    #[prost(oneof = "sync_pieces_response::Response", tags = "1, 2")]
    pub response: ::core::option::Option<sync_pieces_response::Response>,
    #[prost(oneof = "sync_pieces_response::Errordetails", tags = "3, 4")]
    pub errordetails: ::core::option::Option<sync_pieces_response::Errordetails>,
 }
 /// Nested message and enum types in `SyncPiecesResponse`.
 pub mod sync_pieces_response {
    #[allow(clippy::derive_partial_eq_without_eq)]
    #[derive(Clone, PartialEq, ::prost::Oneof)]
    pub enum Response {
        #[prost(message, tag = "1")]
        InterestedPiecesResponse(super::InterestedPiecesResponse),
        #[prost(message, tag = "2")]
        StatMetadataResponse(super::StatMetadataResponse),
    }
    #[allow(clippy::derive_partial_eq_without_eq)]
    #[derive(Clone, PartialEq, ::prost::Oneof)]
    pub enum Errordetails {
        #[prost(message, tag = "3")]
        SyncPiecesFailed(super::super::errordetails::SyncPiecesFailed),
        #[prost(message, tag = "4")]
        StatMetadataFailed(super::super::errordetails::StatMetadataFailed),
    }
 }
 /// TriggerTaskRequest represents request of TriggerTask.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct TriggerTaskRequest {
    /// Task id.
    #[prost(string, tag = "1")]
    pub task_id: ::prost::alloc::string::String,
    /// Task metadata.
    #[prost(message, optional, tag = "2")]
    pub metadata: ::core::option::Option<super::common::Metadata>,
 }
 /// StatTaskRequest represents request of StatTask.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct StatTaskRequest {
    /// Task id.
    #[prost(string, tag = "1")]
    pub task_id: ::prost::alloc::string::String,
 }
 /// StatTaskResponse represents response of StatTask.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct StatTaskResponse {
    #[prost(message, optional, tag = "1")]
    pub task: ::core::option::Option<super::common::Task>,
 }
 /// ImportTaskRequest represents request of ImportTask.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct ImportTaskRequest {
    /// Task metadata.
    #[prost(message, optional, tag = "1")]
    pub metadata: ::core::option::Option<super::common::Metadata>,
    /// File path to be imported.
    #[prost(string, tag = "2")]
    pub path: ::prost::alloc::string::String,
 }
 /// ExportTaskRequest represents request of ExportTask.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct ExportTaskRequest {
    /// Task metadata.
    #[prost(message, optional, tag = "1")]
    pub metadata: ::core::option::Option<super::common::Metadata>,
    /// File path to be exported.
    #[prost(string, tag = "2")]
    pub path: ::prost::alloc::string::String,
    /// Download timeout.
    #[prost(message, optional, tag = "3")]
    pub timeout: ::core::option::Option<::prost_types::Duration>,
    /// Download rate limit in bytes per second.
    #[prost(double, tag = "4")]
    pub download_rate_limit: f64,
    /// User id.
    #[prost(uint64, tag = "5")]
    pub uid: u64,
    /// Group id.
    #[prost(uint64, tag = "6")]
    pub gid: u64,
 }
 /// DeleteTaskRequest represents request of DeleteTask.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct DeleteTaskRequest {
    /// Task id.
    #[prost(string, tag = "1")]
    pub task_id: ::prost::alloc::string::String,
 }
 /// Generated client implementations.
 pub mod dfdaemon_client {
    #![allow(unused_variables, dead_code, missing_docs, clippy::let_unit_value)]
    use tonic::codegen::*;
    use tonic::codegen::http::Uri;
    /// Dfdaemon RPC Service.
    #[derive(Debug, Clone)]
    pub struct DfdaemonClient<T> {
        inner: tonic::client::Grpc<T>,
    }
    impl DfdaemonClient<tonic::transport::Channel> {
        /// Attempt to create a new client by connecting to a given endpoint.
        pub async fn connect<D>(dst: D) -> Result<Self, tonic::transport::Error>
        where
            D: std::convert::TryInto<tonic::transport::Endpoint>,
            D::Error: Into<StdError>,
        {
            let conn = tonic::transport::Endpoint::new(dst)?.connect().await?;
            Ok(Self::new(conn))
        }
    }
    impl<T> DfdaemonClient<T>
    where
        T: tonic::client::GrpcService<tonic::body::BoxBody>,
        T::Error: Into<StdError>,
        T::ResponseBody: Body<Data = Bytes> + Send + 'static,
        <T::ResponseBody as Body>::Error: Into<StdError> + Send,
    {
        pub fn new(inner: T) -> Self {
            let inner = tonic::client::Grpc::new(inner);
            Self { inner }
        }
        pub fn with_origin(inner: T, origin: Uri) -> Self {
            let inner = tonic::client::Grpc::with_origin(inner, origin);
            Self { inner }
        }
        pub fn with_interceptor<F>(
            inner: T,
            interceptor: F,
        ) -> DfdaemonClient<InterceptedService<T, F>>
        where
            F: tonic::service::Interceptor,
            T::ResponseBody: Default,
            T: tonic::codegen::Service<
                http::Request<tonic::body::BoxBody>,
                Response = http::Response<
                    <T as tonic::client::GrpcService<tonic::body::BoxBody>>::ResponseBody,
                >,
            >,
            <T as tonic::codegen::Service<
                http::Request<tonic::body::BoxBody>,
            >>::Error: Into<StdError> + Send + Sync,
        {
            DfdaemonClient::new(InterceptedService::new(inner, interceptor))
        }
        /// Compress requests with the given encoding.
        ///
        /// This requires the server to support it otherwise it might respond with an
        /// error.
        #[must_use]
        pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self {
            self.inner = self.inner.send_compressed(encoding);
            self
        }
        /// Enable decompressing responses.
        #[must_use]
        pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self {
            self.inner = self.inner.accept_compressed(encoding);
            self
        }
        /// SyncPieces syncs pieces from the other peers.
        pub async fn sync_pieces(
            &mut self,
            request: impl tonic::IntoStreamingRequest<Message = super::SyncPiecesRequest>,
        ) -> Result<
            tonic::Response<tonic::codec::Streaming<super::SyncPiecesResponse>>,
            tonic::Status,
        > {
            self.inner
                .ready()
                .await
                .map_err(|e| {
                    tonic::Status::new(
                        tonic::Code::Unknown,
                        format!("Service was not ready: {}", e.into()),
                    )
                })?;
            let codec = tonic::codec::ProstCodec::default();
            let path = http::uri::PathAndQuery::from_static(
                "/dfdaemon.Dfdaemon/SyncPieces",
            );
            self.inner.streaming(request.into_streaming_request(), path, codec).await
        }
        /// TriggerTask triggers task back-to-source download.
        pub async fn trigger_task(
            &mut self,
            request: impl tonic::IntoRequest<super::TriggerTaskRequest>,
        ) -> Result<tonic::Response<()>, tonic::Status> {
            self.inner
                .ready()
                .await
                .map_err(|e| {
                    tonic::Status::new(
                        tonic::Code::Unknown,
                        format!("Service was not ready: {}", e.into()),
                    )
                })?;
            let codec = tonic::codec::ProstCodec::default();
            let path = http::uri::PathAndQuery::from_static(
                "/dfdaemon.Dfdaemon/TriggerTask",
            );
            self.inner.unary(request.into_request(), path, codec).await
        }
        /// StatTask stats task information.
        pub async fn stat_task(
            &mut self,
            request: impl tonic::IntoRequest<super::StatTaskRequest>,
        ) -> Result<tonic::Response<super::super::common::Task>, tonic::Status> {
            self.inner
                .ready()
                .await
                .map_err(|e| {
                    tonic::Status::new(
                        tonic::Code::Unknown,
                        format!("Service was not ready: {}", e.into()),
                    )
                })?;
            let codec = tonic::codec::ProstCodec::default();
            let path = http::uri::PathAndQuery::from_static(
                "/dfdaemon.Dfdaemon/StatTask",
            );
            self.inner.unary(request.into_request(), path, codec).await
        }
        /// ImportTask imports task to p2p network.
        pub async fn import_task(
            &mut self,
            request: impl tonic::IntoRequest<super::ImportTaskRequest>,
        ) -> Result<tonic::Response<()>, tonic::Status> {
            self.inner
                .ready()
                .await
                .map_err(|e| {
                    tonic::Status::new(
                        tonic::Code::Unknown,
                        format!("Service was not ready: {}", e.into()),
                    )
                })?;
            let codec = tonic::codec::ProstCodec::default();
            let path = http::uri::PathAndQuery::from_static(
                "/dfdaemon.Dfdaemon/ImportTask",
            );
            self.inner.unary(request.into_request(), path, codec).await
        }
        /// ExportTask exports task from p2p network.
        pub async fn export_task(
            &mut self,
            request: impl tonic::IntoRequest<super::ExportTaskRequest>,
        ) -> Result<tonic::Response<()>, tonic::Status> {
            self.inner
                .ready()
                .await
                .map_err(|e| {
                    tonic::Status::new(
                        tonic::Code::Unknown,
                        format!("Service was not ready: {}", e.into()),
                    )
                })?;
            let codec = tonic::codec::ProstCodec::default();
            let path = http::uri::PathAndQuery::from_static(
                "/dfdaemon.Dfdaemon/ExportTask",
            );
            self.inner.unary(request.into_request(), path, codec).await
        }
        /// DeleteTask deletes task from p2p network.
        pub async fn delete_task(
            &mut self,
            request: impl tonic::IntoRequest<super::DeleteTaskRequest>,
        ) -> Result<tonic::Response<()>, tonic::Status> {
            self.inner
                .ready()
                .await
                .map_err(|e| {
                    tonic::Status::new(
                        tonic::Code::Unknown,
                        format!("Service was not ready: {}", e.into()),
                    )
                })?;
            let codec = tonic::codec::ProstCodec::default();
            let path = http::uri::PathAndQuery::from_static(
                "/dfdaemon.Dfdaemon/DeleteTask",
            );
            self.inner.unary(request.into_request(), path, codec).await
        }
    }
 }
 /// Generated server implementations.
 pub mod dfdaemon_server {
    #![allow(unused_variables, dead_code, missing_docs, clippy::let_unit_value)]
    use tonic::codegen::*;
    /// Generated trait containing gRPC methods that should be implemented for use with DfdaemonServer.
    #[async_trait]
    pub trait Dfdaemon: Send + Sync + 'static {
        /// Server streaming response type for the SyncPieces method.
        type SyncPiecesStream: futures_core::Stream<
                Item = Result<super::SyncPiecesResponse, tonic::Status>,
            >
            + Send
            + 'static;
        /// SyncPieces syncs pieces from the other peers.
        async fn sync_pieces(
            &self,
            request: tonic::Request<tonic::Streaming<super::SyncPiecesRequest>>,
        ) -> Result<tonic::Response<Self::SyncPiecesStream>, tonic::Status>;
        /// TriggerTask triggers task back-to-source download.
        async fn trigger_task(
            &self,
            request: tonic::Request<super::TriggerTaskRequest>,
        ) -> Result<tonic::Response<()>, tonic::Status>;
        /// StatTask stats task information.
        async fn stat_task(
            &self,
            request: tonic::Request<super::StatTaskRequest>,
        ) -> Result<tonic::Response<super::super::common::Task>, tonic::Status>;
        /// ImportTask imports task to p2p network.
        async fn import_task(
            &self,
            request: tonic::Request<super::ImportTaskRequest>,
        ) -> Result<tonic::Response<()>, tonic::Status>;
        /// ExportTask exports task from p2p network.
        async fn export_task(
            &self,
            request: tonic::Request<super::ExportTaskRequest>,
        ) -> Result<tonic::Response<()>, tonic::Status>;
        /// DeleteTask deletes task from p2p network.
        async fn delete_task(
            &self,
            request: tonic::Request<super::DeleteTaskRequest>,
        ) -> Result<tonic::Response<()>, tonic::Status>;
    }
    /// Dfdaemon RPC Service.
    #[derive(Debug)]
    pub struct DfdaemonServer<T: Dfdaemon> {
        inner: _Inner<T>,
        accept_compression_encodings: EnabledCompressionEncodings,
        send_compression_encodings: EnabledCompressionEncodings,
    }
    struct _Inner<T>(Arc<T>);
    impl<T: Dfdaemon> DfdaemonServer<T> {
        pub fn new(inner: T) -> Self {
            Self::from_arc(Arc::new(inner))
        }
        pub fn from_arc(inner: Arc<T>) -> Self {
            let inner = _Inner(inner);
            Self {
                inner,
                accept_compression_encodings: Default::default(),
                send_compression_encodings: Default::default(),
            }
        }
        pub fn with_interceptor<F>(
            inner: T,
            interceptor: F,
        ) -> InterceptedService<Self, F>
        where
            F: tonic::service::Interceptor,
        {
            InterceptedService::new(Self::new(inner), interceptor)
        }
        /// Enable decompressing requests with the given encoding.
        #[must_use]
        pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self {
            self.accept_compression_encodings.enable(encoding);
            self
        }
        /// Compress responses with the given encoding, if the client supports it.
        #[must_use]
        pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self {
            self.send_compression_encodings.enable(encoding);
            self
        }
    }
    impl<T, B> tonic::codegen::Service<http::Request<B>> for DfdaemonServer<T>
    where
        T: Dfdaemon,
        B: Body + Send + 'static,
        B::Error: Into<StdError> + Send + 'static,
    {
        type Response = http::Response<tonic::body::BoxBody>;
        type Error = std::convert::Infallible;
        type Future = BoxFuture<Self::Response, Self::Error>;
        fn poll_ready(
            &mut self,
            _cx: &mut Context<'_>,
        ) -> Poll<Result<(), Self::Error>> {
            Poll::Ready(Ok(()))
        }
        fn call(&mut self, req: http::Request<B>) -> Self::Future {
            let inner = self.inner.clone();
            match req.uri().path() {
                "/dfdaemon.Dfdaemon/SyncPieces" => {
                    #[allow(non_camel_case_types)]
                    struct SyncPiecesSvc<T: Dfdaemon>(pub Arc<T>);
                    impl<
                        T: Dfdaemon,
                    > tonic::server::StreamingService<super::SyncPiecesRequest>
                    for SyncPiecesSvc<T> {
                        type Response = super::SyncPiecesResponse;
                        type ResponseStream = T::SyncPiecesStream;
                        type Future = BoxFuture<
                            tonic::Response<Self::ResponseStream>,
                            tonic::Status,
                        >;
                        fn call(
                            &mut self,
                            request: tonic::Request<
                                tonic::Streaming<super::SyncPiecesRequest>,
                            >,
                        ) -> Self::Future {
                            let inner = self.0.clone();
                            let fut = async move { (*inner).sync_pieces(request).await };
                            Box::pin(fut)
                        }
                    }
                    let accept_compression_encodings = self.accept_compression_encodings;
                    let send_compression_encodings = self.send_compression_encodings;
                    let inner = self.inner.clone();
                    let fut = async move {
                        let inner = inner.0;
                        let method = SyncPiecesSvc(inner);
                        let codec = tonic::codec::ProstCodec::default();
                        let mut grpc = tonic::server::Grpc::new(codec)
                            .apply_compression_config(
                                accept_compression_encodings,
                                send_compression_encodings,
                            );
                        let res = grpc.streaming(method, req).await;
                        Ok(res)
                    };
                    Box::pin(fut)
                }
                "/dfdaemon.Dfdaemon/TriggerTask" => {
                    #[allow(non_camel_case_types)]
                    struct TriggerTaskSvc<T: Dfdaemon>(pub Arc<T>);
                    impl<
                        T: Dfdaemon,
                    > tonic::server::UnaryService<super::TriggerTaskRequest>
                    for TriggerTaskSvc<T> {
                        type Response = ();
                        type Future = BoxFuture<
                            tonic::Response<Self::Response>,
                            tonic::Status,
                        >;
                        fn call(
                            &mut self,
                            request: tonic::Request<super::TriggerTaskRequest>,
                        ) -> Self::Future {
                            let inner = self.0.clone();
                            let fut = async move {
                                (*inner).trigger_task(request).await
                            };
                            Box::pin(fut)
                        }
                    }
                    let accept_compression_encodings = self.accept_compression_encodings;
                    let send_compression_encodings = self.send_compression_encodings;
                    let inner = self.inner.clone();
                    let fut = async move {
                        let inner = inner.0;
                        let method = TriggerTaskSvc(inner);
                        let codec = tonic::codec::ProstCodec::default();
                        let mut grpc = tonic::server::Grpc::new(codec)
                            .apply_compression_config(
                                accept_compression_encodings,
                                send_compression_encodings,
                            );
                        let res = grpc.unary(method, req).await;
                        Ok(res)
                    };
                    Box::pin(fut)
                }
                "/dfdaemon.Dfdaemon/StatTask" => {
                    #[allow(non_camel_case_types)]
                    struct StatTaskSvc<T: Dfdaemon>(pub Arc<T>);
                    impl<T: Dfdaemon> tonic::server::UnaryService<super::StatTaskRequest>
                    for StatTaskSvc<T> {
                        type Response = super::super::common::Task;
                        type Future = BoxFuture<
                            tonic::Response<Self::Response>,
                            tonic::Status,
                        >;
                        fn call(
                            &mut self,
                            request: tonic::Request<super::StatTaskRequest>,
                        ) -> Self::Future {
                            let inner = self.0.clone();
                            let fut = async move { (*inner).stat_task(request).await };
                            Box::pin(fut)
                        }
                    }
                    let accept_compression_encodings = self.accept_compression_encodings;
                    let send_compression_encodings = self.send_compression_encodings;
                    let inner = self.inner.clone();
                    let fut = async move {
                        let inner = inner.0;
                        let method = StatTaskSvc(inner);
                        let codec = tonic::codec::ProstCodec::default();
                        let mut grpc = tonic::server::Grpc::new(codec)
                            .apply_compression_config(
                                accept_compression_encodings,
                                send_compression_encodings,
                            );
                        let res = grpc.unary(method, req).await;
                        Ok(res)
                    };
                    Box::pin(fut)
                }
                "/dfdaemon.Dfdaemon/ImportTask" => {
                    #[allow(non_camel_case_types)]
                    struct ImportTaskSvc<T: Dfdaemon>(pub Arc<T>);
                    impl<
                        T: Dfdaemon,
                    > tonic::server::UnaryService<super::ImportTaskRequest>
                    for ImportTaskSvc<T> {
                        type Response = ();
                        type Future = BoxFuture<
                            tonic::Response<Self::Response>,
                            tonic::Status,
                        >;
                        fn call(
                            &mut self,
                            request: tonic::Request<super::ImportTaskRequest>,
                        ) -> Self::Future {
                            let inner = self.0.clone();
                            let fut = async move { (*inner).import_task(request).await };
                            Box::pin(fut)
                        }
                    }
                    let accept_compression_encodings = self.accept_compression_encodings;
                    let send_compression_encodings = self.send_compression_encodings;
                    let inner = self.inner.clone();
                    let fut = async move {
                        let inner = inner.0;
                        let method = ImportTaskSvc(inner);
                        let codec = tonic::codec::ProstCodec::default();
                        let mut grpc = tonic::server::Grpc::new(codec)
                            .apply_compression_config(
                                accept_compression_encodings,
                                send_compression_encodings,
                            );
                        let res = grpc.unary(method, req).await;
                        Ok(res)
                    };
                    Box::pin(fut)
                }
                "/dfdaemon.Dfdaemon/ExportTask" => {
                    #[allow(non_camel_case_types)]
                    struct ExportTaskSvc<T: Dfdaemon>(pub Arc<T>);
                    impl<
                        T: Dfdaemon,
                    > tonic::server::UnaryService<super::ExportTaskRequest>
                    for ExportTaskSvc<T> {
                        type Response = ();
                        type Future = BoxFuture<
                            tonic::Response<Self::Response>,
                            tonic::Status,
                        >;
                        fn call(
                            &mut self,
                            request: tonic::Request<super::ExportTaskRequest>,
                        ) -> Self::Future {
                            let inner = self.0.clone();
                            let fut = async move { (*inner).export_task(request).await };
                            Box::pin(fut)
                        }
                    }
                    let accept_compression_encodings = self.accept_compression_encodings;
                    let send_compression_encodings = self.send_compression_encodings;
                    let inner = self.inner.clone();
                    let fut = async move {
                        let inner = inner.0;
                        let method = ExportTaskSvc(inner);
                        let codec = tonic::codec::ProstCodec::default();
                        let mut grpc = tonic::server::Grpc::new(codec)
                            .apply_compression_config(
                                accept_compression_encodings,
                                send_compression_encodings,
                            );
                        let res = grpc.unary(method, req).await;
                        Ok(res)
                    };
                    Box::pin(fut)
                }
                "/dfdaemon.Dfdaemon/DeleteTask" => {
                    #[allow(non_camel_case_types)]
                    struct DeleteTaskSvc<T: Dfdaemon>(pub Arc<T>);
                    impl<
                        T: Dfdaemon,
                    > tonic::server::UnaryService<super::DeleteTaskRequest>
                    for DeleteTaskSvc<T> {
                        type Response = ();
                        type Future = BoxFuture<
                            tonic::Response<Self::Response>,
                            tonic::Status,
                        >;
                        fn call(
                            &mut self,
                            request: tonic::Request<super::DeleteTaskRequest>,
                        ) -> Self::Future {
                            let inner = self.0.clone();
                            let fut = async move { (*inner).delete_task(request).await };
                            Box::pin(fut)
                        }
                    }
                    let accept_compression_encodings = self.accept_compression_encodings;
                    let send_compression_encodings = self.send_compression_encodings;
                    let inner = self.inner.clone();
                    let fut = async move {
                        let inner = inner.0;
                        let method = DeleteTaskSvc(inner);
                        let codec = tonic::codec::ProstCodec::default();
                        let mut grpc = tonic::server::Grpc::new(codec)
                            .apply_compression_config(
                                accept_compression_encodings,
                                send_compression_encodings,
                            );
                        let res = grpc.unary(method, req).await;
                        Ok(res)
                    };
                    Box::pin(fut)
                }
                _ => {
                    Box::pin(async move {
                        Ok(
                            http::Response::builder()
                                .status(200)
                                .header("grpc-status", "12")
                                .header("content-type", "application/grpc")
                                .body(empty_body())
                                .unwrap(),
                        )
                    })
                }
            }
        }
    }
    impl<T: Dfdaemon> Clone for DfdaemonServer<T> {
        fn clone(&self) -> Self {
            let inner = self.inner.clone();
            Self {
                inner,
                accept_compression_encodings: self.accept_compression_encodings,
                send_compression_encodings: self.send_compression_encodings,
            }
        }
    }
    impl<T: Dfdaemon> Clone for _Inner<T> {
        fn clone(&self) -> Self {
            Self(self.0.clone())
        }
    }
    impl<T: std::fmt::Debug> std::fmt::Debug for _Inner<T> {
        fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
            write!(f, "{:?}", self.0)
        }
    }
    impl<T: Dfdaemon> tonic::server::NamedService for DfdaemonServer<T> {
        const NAME: &'static str = "dfdaemon.Dfdaemon";
    }
 }
--- a/src/dfdaemon.v2.rs
+++ b/src/dfdaemon.v2.rs
--- a/src/errordetails.rs
+++ b/src/errordetails.rs
@ -0,0 +1,83 @@
 /// DownloadPeerBackToSourceFailed is error detail of downloading peer back-to-source.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct DownloadPeerBackToSourceFailed {
    /// The description of the error.
    #[prost(string, tag = "1")]
    pub description: ::prost::alloc::string::String,
 }
 /// DownloadPieceBackToSourceFailed is error detail of downloading piece back-to-source.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct DownloadPieceBackToSourceFailed {
    /// Temporary recoverable error of source.
    #[prost(bool, tag = "1")]
    pub temporary: bool,
    /// Source response metadata, eg: HTTP Status Code, HTTP Status, HTTP Header
    #[prost(message, optional, tag = "2")]
    pub metadata: ::core::option::Option<super::common::ExtendAttribute>,
    /// The number of piece.
    #[prost(uint32, tag = "3")]
    pub piece_number: u32,
    /// The description of the error.
    #[prost(string, tag = "4")]
    pub description: ::prost::alloc::string::String,
 }
 /// DownloadPieceFailed is error detail of downloading piece.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct DownloadPieceFailed {
    /// Temporary recoverable error of parent peer.
    #[prost(bool, tag = "1")]
    pub temporary: bool,
    /// Source response metadata, eg: HTTP Status Code, HTTP Status, HTTP Header
    #[prost(message, optional, tag = "2")]
    pub metadata: ::core::option::Option<super::common::ExtendAttribute>,
    /// Piece is information of piece.
    #[prost(string, tag = "3")]
    pub parent_id: ::prost::alloc::string::String,
    /// The number of piece.
    #[prost(uint32, tag = "4")]
    pub piece_number: u32,
    /// The description of the error.
    #[prost(string, tag = "5")]
    pub description: ::prost::alloc::string::String,
 }
 /// SchedulePeerForbidden is error detail of forbidden.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct SchedulePeerForbidden {
    /// The description of the error.
    #[prost(string, tag = "1")]
    pub description: ::prost::alloc::string::String,
 }
 /// SchedulePeerFailed is error detail of scheduling.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct SchedulePeerFailed {
    /// The description of the error.
    #[prost(string, tag = "1")]
    pub description: ::prost::alloc::string::String,
 }
 /// SyncPiecesFailed is error detail of syncing pieces.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct SyncPiecesFailed {
    /// Temporary recoverable error of parent peer.
    #[prost(bool, tag = "1")]
    pub temporary: bool,
    /// Parent peer id.
    #[prost(string, tag = "2")]
    pub parent_id: ::prost::alloc::string::String,
    /// The description of the error.
    #[prost(string, tag = "3")]
    pub description: ::prost::alloc::string::String,
 }
 /// StatMetadataFailed is error detail of stat metadata.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct StatMetadataFailed {
    /// The description of the error.
    #[prost(string, tag = "1")]
    pub description: ::prost::alloc::string::String,
 }
--- a/src/errordetails.v2.rs
+++ b/src/errordetails.v2.rs
@ -1,28 +0,0 @@
 // This file is @generated by prost-build.
 /// Backend is error detail for Backend.
 #[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Backend {
    /// Backend error message.
    #[prost(string, tag = "1")]
    pub message: ::prost::alloc::string::String,
    /// Backend HTTP response header.
    #[prost(map = "string, string", tag = "2")]
    pub header: ::std::collections::HashMap<
        ::prost::alloc::string::String,
        ::prost::alloc::string::String,
    >,
    /// Backend HTTP status code.
    #[prost(int32, optional, tag = "3")]
    pub status_code: ::core::option::Option<i32>,
 }
 /// Unknown is error detail for Unknown.
 #[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Unknown {
    /// Unknown error message.
    #[prost(string, optional, tag = "1")]
    pub message: ::core::option::Option<::prost::alloc::string::String>,
 }
--- a/src/lib.rs
+++ b/src/lib.rs
@ -1,32 +1,6 @@
-#[path = ""]
+pub mod common;
-pub mod common {
+pub mod dfdaemon;
-    #[path = "common.v2.rs"]
+pub mod errordetails;
-    pub mod v2;
+pub mod manager;
-}
+pub mod scheduler;
-
+pub mod security;
 #[path = ""]
 pub mod errordetails {
    #[path = "errordetails.v2.rs"]
    pub mod v2;
 }
 #[path = ""]
 pub mod dfdaemon {
    #[path = "dfdaemon.v2.rs"]
    pub mod v2;
 }
 #[path = ""]
 pub mod manager {
    #[path = "manager.v2.rs"]
    pub mod v2;
 }
 #[path = ""]
 pub mod scheduler {
    #[path = "scheduler.v2.rs"]
    pub mod v2;
 }
 // FILE_DESCRIPTOR_SET is the serialized FileDescriptorSet of the proto files.
 pub const FILE_DESCRIPTOR_SET: &[u8] = include_bytes!("descriptor.bin");
--- a/src/manager.rs
+++ b/src/manager.rs
--- a/src/manager.v2.rs
+++ b/src/manager.v2.rs
--- a/src/scheduler.rs
+++ b/src/scheduler.rs
--- a/src/scheduler.v2.rs
+++ b/src/scheduler.v2.rs
--- a/src/security.rs
+++ b/src/security.rs
@ -0,0 +1,269 @@
 /// Certificate request type.
 /// Dragonfly supports peers authentication with Mutual TLS(mTLS)
 /// For mTLS, all peers need to request TLS certificates for communicating
 /// The server side may overwrite ant requested certificate filed based on its policies.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct CertificateRequest {
    /// ASN.1 DER form certificate request.
    /// The public key in the CSR is used to generate the certificate,
    /// and other fields in the generated certificate may be overwritten by the CA.
    #[prost(bytes = "vec", tag = "1")]
    pub csr: ::prost::alloc::vec::Vec<u8>,
    /// Optional: requested certificate validity period.
    #[prost(message, optional, tag = "2")]
    pub validity_period: ::core::option::Option<::prost_types::Duration>,
 }
 /// Certificate response type.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct CertificateResponse {
    /// ASN.1 DER form certificate chain.
    #[prost(bytes = "vec", repeated, tag = "1")]
    pub certificate_chain: ::prost::alloc::vec::Vec<::prost::alloc::vec::Vec<u8>>,
 }
 /// Generated client implementations.
 pub mod certificate_service_client {
    #![allow(unused_variables, dead_code, missing_docs, clippy::let_unit_value)]
    use tonic::codegen::*;
    use tonic::codegen::http::Uri;
    /// Service for managing certificates issued by the CA.
    #[derive(Debug, Clone)]
    pub struct CertificateServiceClient<T> {
        inner: tonic::client::Grpc<T>,
    }
    impl CertificateServiceClient<tonic::transport::Channel> {
        /// Attempt to create a new client by connecting to a given endpoint.
        pub async fn connect<D>(dst: D) -> Result<Self, tonic::transport::Error>
        where
            D: std::convert::TryInto<tonic::transport::Endpoint>,
            D::Error: Into<StdError>,
        {
            let conn = tonic::transport::Endpoint::new(dst)?.connect().await?;
            Ok(Self::new(conn))
        }
    }
    impl<T> CertificateServiceClient<T>
    where
        T: tonic::client::GrpcService<tonic::body::BoxBody>,
        T::Error: Into<StdError>,
        T::ResponseBody: Body<Data = Bytes> + Send + 'static,
        <T::ResponseBody as Body>::Error: Into<StdError> + Send,
    {
        pub fn new(inner: T) -> Self {
            let inner = tonic::client::Grpc::new(inner);
            Self { inner }
        }
        pub fn with_origin(inner: T, origin: Uri) -> Self {
            let inner = tonic::client::Grpc::with_origin(inner, origin);
            Self { inner }
        }
        pub fn with_interceptor<F>(
            inner: T,
            interceptor: F,
        ) -> CertificateServiceClient<InterceptedService<T, F>>
        where
            F: tonic::service::Interceptor,
            T::ResponseBody: Default,
            T: tonic::codegen::Service<
                http::Request<tonic::body::BoxBody>,
                Response = http::Response<
                    <T as tonic::client::GrpcService<tonic::body::BoxBody>>::ResponseBody,
                >,
            >,
            <T as tonic::codegen::Service<
                http::Request<tonic::body::BoxBody>,
            >>::Error: Into<StdError> + Send + Sync,
        {
            CertificateServiceClient::new(InterceptedService::new(inner, interceptor))
        }
        /// Compress requests with the given encoding.
        ///
        /// This requires the server to support it otherwise it might respond with an
        /// error.
        #[must_use]
        pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self {
            self.inner = self.inner.send_compressed(encoding);
            self
        }
        /// Enable decompressing responses.
        #[must_use]
        pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self {
            self.inner = self.inner.accept_compressed(encoding);
            self
        }
        /// Using provided CSR, returns a signed certificate.
        pub async fn issue_certificate(
            &mut self,
            request: impl tonic::IntoRequest<super::CertificateRequest>,
        ) -> Result<tonic::Response<super::CertificateResponse>, tonic::Status> {
            self.inner
                .ready()
                .await
                .map_err(|e| {
                    tonic::Status::new(
                        tonic::Code::Unknown,
                        format!("Service was not ready: {}", e.into()),
                    )
                })?;
            let codec = tonic::codec::ProstCodec::default();
            let path = http::uri::PathAndQuery::from_static(
                "/security.CertificateService/IssueCertificate",
            );
            self.inner.unary(request.into_request(), path, codec).await
        }
    }
 }
 /// Generated server implementations.
 pub mod certificate_service_server {
    #![allow(unused_variables, dead_code, missing_docs, clippy::let_unit_value)]
    use tonic::codegen::*;
    /// Generated trait containing gRPC methods that should be implemented for use with CertificateServiceServer.
    #[async_trait]
    pub trait CertificateService: Send + Sync + 'static {
        /// Using provided CSR, returns a signed certificate.
        async fn issue_certificate(
            &self,
            request: tonic::Request<super::CertificateRequest>,
        ) -> Result<tonic::Response<super::CertificateResponse>, tonic::Status>;
    }
    /// Service for managing certificates issued by the CA.
    #[derive(Debug)]
    pub struct CertificateServiceServer<T: CertificateService> {
        inner: _Inner<T>,
        accept_compression_encodings: EnabledCompressionEncodings,
        send_compression_encodings: EnabledCompressionEncodings,
    }
    struct _Inner<T>(Arc<T>);
    impl<T: CertificateService> CertificateServiceServer<T> {
        pub fn new(inner: T) -> Self {
            Self::from_arc(Arc::new(inner))
        }
        pub fn from_arc(inner: Arc<T>) -> Self {
            let inner = _Inner(inner);
            Self {
                inner,
                accept_compression_encodings: Default::default(),
                send_compression_encodings: Default::default(),
            }
        }
        pub fn with_interceptor<F>(
            inner: T,
            interceptor: F,
        ) -> InterceptedService<Self, F>
        where
            F: tonic::service::Interceptor,
        {
            InterceptedService::new(Self::new(inner), interceptor)
        }
        /// Enable decompressing requests with the given encoding.
        #[must_use]
        pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self {
            self.accept_compression_encodings.enable(encoding);
            self
        }
        /// Compress responses with the given encoding, if the client supports it.
        #[must_use]
        pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self {
            self.send_compression_encodings.enable(encoding);
            self
        }
    }
    impl<T, B> tonic::codegen::Service<http::Request<B>> for CertificateServiceServer<T>
    where
        T: CertificateService,
        B: Body + Send + 'static,
        B::Error: Into<StdError> + Send + 'static,
    {
        type Response = http::Response<tonic::body::BoxBody>;
        type Error = std::convert::Infallible;
        type Future = BoxFuture<Self::Response, Self::Error>;
        fn poll_ready(
            &mut self,
            _cx: &mut Context<'_>,
        ) -> Poll<Result<(), Self::Error>> {
            Poll::Ready(Ok(()))
        }
        fn call(&mut self, req: http::Request<B>) -> Self::Future {
            let inner = self.inner.clone();
            match req.uri().path() {
                "/security.CertificateService/IssueCertificate" => {
                    #[allow(non_camel_case_types)]
                    struct IssueCertificateSvc<T: CertificateService>(pub Arc<T>);
                    impl<
                        T: CertificateService,
                    > tonic::server::UnaryService<super::CertificateRequest>
                    for IssueCertificateSvc<T> {
                        type Response = super::CertificateResponse;
                        type Future = BoxFuture<
                            tonic::Response<Self::Response>,
                            tonic::Status,
                        >;
                        fn call(
                            &mut self,
                            request: tonic::Request<super::CertificateRequest>,
                        ) -> Self::Future {
                            let inner = self.0.clone();
                            let fut = async move {
                                (*inner).issue_certificate(request).await
                            };
                            Box::pin(fut)
                        }
                    }
                    let accept_compression_encodings = self.accept_compression_encodings;
                    let send_compression_encodings = self.send_compression_encodings;
                    let inner = self.inner.clone();
                    let fut = async move {
                        let inner = inner.0;
                        let method = IssueCertificateSvc(inner);
                        let codec = tonic::codec::ProstCodec::default();
                        let mut grpc = tonic::server::Grpc::new(codec)
                            .apply_compression_config(
                                accept_compression_encodings,
                                send_compression_encodings,
                            );
                        let res = grpc.unary(method, req).await;
                        Ok(res)
                    };
                    Box::pin(fut)
                }
                _ => {
                    Box::pin(async move {
                        Ok(
                            http::Response::builder()
                                .status(200)
                                .header("grpc-status", "12")
                                .header("content-type", "application/grpc")
                                .body(empty_body())
                                .unwrap(),
                        )
                    })
                }
            }
        }
    }
    impl<T: CertificateService> Clone for CertificateServiceServer<T> {
        fn clone(&self) -> Self {
            let inner = self.inner.clone();
            Self {
                inner,
                accept_compression_encodings: self.accept_compression_encodings,
                send_compression_encodings: self.send_compression_encodings,
            }
        }
    }
    impl<T: CertificateService> Clone for _Inner<T> {
        fn clone(&self) -> Self {
            Self(self.0.clone())
        }
    }
    impl<T: std::fmt::Debug> std::fmt::Debug for _Inner<T> {
        fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
            write!(f, "{:?}", self.0)
        }
    }
    impl<T: CertificateService> tonic::server::NamedService
    for CertificateServiceServer<T> {
        const NAME: &'static str = "security.CertificateService";
    }
 }