diff --git a/client/daemon/service/manager.go b/client/daemon/service/manager.go
index 29851d8cc..f223771c4 100644
--- a/client/daemon/service/manager.go
+++ b/client/daemon/service/manager.go
@@ -140,8 +140,8 @@ func (m *manager) Download(ctx context.Context,
 	peerTask := &peer.FilePeerTaskRequest{
 		PeerTaskRequest: scheduler.PeerTaskRequest{
 			Url:      req.Url,
-			Filter:   req.Filter,
-			BizId:    req.BizId,
+			Filter:   req.UrlMeta.Filter,
+			BizId:    req.UrlMeta.Tag,
 			UrlMeta:  req.UrlMeta,
 			PeerId:   clientutil.GenPeerID(m.peerHost),
 			PeerHost: m.peerHost,
diff --git a/client/daemon/service/manager_test.go b/client/daemon/service/manager_test.go
index e676d2f37..3ec09224d 100644
--- a/client/daemon/service/manager_test.go
+++ b/client/daemon/service/manager_test.go
@@ -101,7 +101,9 @@ func TestDownloadManager_ServeDownload(t *testing.T) {
 	request := &dfdaemongrpc.DownRequest{
 		Url:    "http://localhost/test",
 		Output: "./testdata/file1",
-		BizId:  "unit test",
+		UrlMeta: &base.UrlMeta{
+			Tag: "unit test",
+		},
 	}
 	down, err := client.Download(context.Background(), request)
 	assert.Nil(err, "client download grpc call should be ok")
diff --git a/client/dfget/dfget.go b/client/dfget/dfget.go
index b468f343f..56c0cd562 100644
--- a/client/dfget/dfget.go
+++ b/client/dfget/dfget.go
@@ -71,12 +71,12 @@ func Download(cfg *config.DfgetConfig, client dfclient.DaemonClient) error {
 			Digest: cfg.Digest,
 			Range:  hdr[headers.Range],
 			Header: hdr,
+			Filter: filter,
 		},
-		Output: output,
-		BizId:  cfg.CallSystem,
-		Filter: filter,
-		Uid:    int64(basic.UserID),
-		Gid:    int64(basic.UserGroup),
+		Output:     output,
+		Callsystem: cfg.CallSystem,
+		Uid:        int64(basic.UserID),
+		Gid:        int64(basic.UserGroup),
 	}
 	var (
 		start = time.Now()
diff --git a/docs/en/images/arch.png b/docs/en/images/arch.png
index d5f8fd4f3..3c8a2398b 100644
Binary files a/docs/en/images/arch.png and b/docs/en/images/arch.png differ
diff --git a/go.mod b/go.mod
index 5ea575e6d..15a03c98b 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,6 @@ go 1.15
 
 require (
 	github.com/HuKeping/rbtree v0.0.0-20210106022122-8ad34838eb2b
-	github.com/Jeffail/tunny v0.1.4
 	github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751
 	github.com/alicebob/miniredis/v2 v2.14.5
 	github.com/aliyun/aliyun-oss-go-sdk v2.1.6+incompatible
@@ -51,7 +50,7 @@ require (
 	go.opentelemetry.io/otel/trace v0.20.0
 	go.uber.org/atomic v1.6.0
 	go.uber.org/zap v1.16.0
-	golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2
+	golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2 // indirect
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
 	golang.org/x/sys v0.0.0-20210309074719-68d13333faf2 // indirect
 	golang.org/x/term v0.0.0-20201210144234-2321bbc49cbf
diff --git a/go.sum b/go.sum
index 648890e5b..6235acfd8 100644
--- a/go.sum
+++ b/go.sum
@@ -17,8 +17,6 @@ github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/HuKeping/rbtree v0.0.0-20210106022122-8ad34838eb2b h1:zDhQxG7rm8RLgLgi6NpfaVFsop+zxw5hwhbzHr624us=
 github.com/HuKeping/rbtree v0.0.0-20210106022122-8ad34838eb2b/go.mod h1:bODsl3NElqKlgf1UkBLj67fYmY5DsqkKrrYm/kMT/6Y=
-github.com/Jeffail/tunny v0.1.4 h1:chtpdz+nUtaYQeCKlNBg6GycFF/kGVHOr6A3cmzTJXs=
-github.com/Jeffail/tunny v0.1.4/go.mod h1:P8xAx4XQl0xsuhjX1DtfaMDCSuavzdb2rwbd0lk+fvo=
 github.com/KyleBanks/depth v1.2.1 h1:5h8fQADFrWtarTdtDudMmGsC7GPbOAu6RVB3ffsVFHc=
 github.com/KyleBanks/depth v1.2.1/go.mod h1:jzSb9d0L43HxTQfT+oSA1EEp2q+ne2uh6XgeJcm8brE=
 github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
diff --git a/hack/protoc.sh b/hack/protoc.sh
index b61181777..23da8a4da 100755
--- a/hack/protoc.sh
+++ b/hack/protoc.sh
@@ -6,11 +6,11 @@ echo "work dir:$SRC"
 if protoc -I="$SRC" \
   --go_out "$SRC" --go_opt paths=source_relative \
   --go-grpc_out "$SRC" --go-grpc_opt paths=source_relative \
-  "$SRC"/pkg/rpc/base/*.proto \
-  "$SRC"/pkg/rpc/cdnsystem/*.proto \
-  "$SRC"/pkg/rpc/dfdaemon/*.proto \
-  "$SRC"/pkg/rpc/scheduler/*.proto \
-  "$SRC"/pkg/rpc/manager/*.proto; then
+  "$SRC"/internal/rpc/base/*.proto \
+  "$SRC"/internal/rpc/cdnsystem/*.proto \
+  "$SRC"/internal/rpc/dfdaemon/*.proto \
+  "$SRC"/internal/rpc/scheduler/*.proto \
+  "$SRC"/internal/rpc/manager/*.proto; then
   echo "generate grpc code success"
   if cd "$SRC" && go mod tidy; then
     echo "go mod tidy success"
diff --git a/internal/rpc/base/base.pb.go b/internal/rpc/base/base.pb.go
index 330865380..b3146e278 100644
--- a/internal/rpc/base/base.pb.go
+++ b/internal/rpc/base/base.pb.go
@@ -17,17 +17,16 @@
 // versions:
 // 	protoc-gen-go v1.25.0
 // 	protoc        v3.15.8
-// source: pkg/rpc/base/base.proto
+// source: internal/rpc/base/base.proto
 
 package base
 
 import (
-	reflect "reflect"
-	sync "sync"
-
 	proto "github.com/golang/protobuf/proto"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
 )
 
 const (
@@ -68,11 +67,11 @@ func (x Code) String() string {
 }
 
 func (Code) Descriptor() protoreflect.EnumDescriptor {
-	return file_pkg_rpc_base_base_proto_enumTypes[0].Descriptor()
+	return file_internal_rpc_base_base_proto_enumTypes[0].Descriptor()
 }
 
 func (Code) Type() protoreflect.EnumType {
-	return &file_pkg_rpc_base_base_proto_enumTypes[0]
+	return &file_internal_rpc_base_base_proto_enumTypes[0]
 }
 
 func (x Code) Number() protoreflect.EnumNumber {
@@ -81,7 +80,7 @@ func (x Code) Number() protoreflect.EnumNumber {
 
 // Deprecated: Use Code.Descriptor instead.
 func (Code) EnumDescriptor() ([]byte, []int) {
-	return file_pkg_rpc_base_base_proto_rawDescGZIP(), []int{0}
+	return file_internal_rpc_base_base_proto_rawDescGZIP(), []int{0}
 }
 
 type PieceStyle int32
@@ -111,11 +110,11 @@ func (x PieceStyle) String() string {
 }
 
 func (PieceStyle) Descriptor() protoreflect.EnumDescriptor {
-	return file_pkg_rpc_base_base_proto_enumTypes[1].Descriptor()
+	return file_internal_rpc_base_base_proto_enumTypes[1].Descriptor()
 }
 
 func (PieceStyle) Type() protoreflect.EnumType {
-	return &file_pkg_rpc_base_base_proto_enumTypes[1]
+	return &file_internal_rpc_base_base_proto_enumTypes[1]
 }
 
 func (x PieceStyle) Number() protoreflect.EnumNumber {
@@ -124,7 +123,7 @@ func (x PieceStyle) Number() protoreflect.EnumNumber {
 
 // Deprecated: Use PieceStyle.Descriptor instead.
 func (PieceStyle) EnumDescriptor() ([]byte, []int) {
-	return file_pkg_rpc_base_base_proto_rawDescGZIP(), []int{1}
+	return file_internal_rpc_base_base_proto_rawDescGZIP(), []int{1}
 }
 
 type SizeScope int32
@@ -163,11 +162,11 @@ func (x SizeScope) String() string {
 }
 
 func (SizeScope) Descriptor() protoreflect.EnumDescriptor {
-	return file_pkg_rpc_base_base_proto_enumTypes[2].Descriptor()
+	return file_internal_rpc_base_base_proto_enumTypes[2].Descriptor()
 }
 
 func (SizeScope) Type() protoreflect.EnumType {
-	return &file_pkg_rpc_base_base_proto_enumTypes[2]
+	return &file_internal_rpc_base_base_proto_enumTypes[2]
 }
 
 func (x SizeScope) Number() protoreflect.EnumNumber {
@@ -176,7 +175,7 @@ func (x SizeScope) Number() protoreflect.EnumNumber {
 
 // Deprecated: Use SizeScope.Descriptor instead.
 func (SizeScope) EnumDescriptor() ([]byte, []int) {
-	return file_pkg_rpc_base_base_proto_rawDescGZIP(), []int{2}
+	return file_internal_rpc_base_base_proto_rawDescGZIP(), []int{2}
 }
 
 type GrpcDfError struct {
@@ -191,7 +190,7 @@ type GrpcDfError struct {
 func (x *GrpcDfError) Reset() {
 	*x = GrpcDfError{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_rpc_base_base_proto_msgTypes[0]
+		mi := &file_internal_rpc_base_base_proto_msgTypes[0]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -204,7 +203,7 @@ func (x *GrpcDfError) String() string {
 func (*GrpcDfError) ProtoMessage() {}
 
 func (x *GrpcDfError) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_rpc_base_base_proto_msgTypes[0]
+	mi := &file_internal_rpc_base_base_proto_msgTypes[0]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -217,7 +216,7 @@ func (x *GrpcDfError) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GrpcDfError.ProtoReflect.Descriptor instead.
 func (*GrpcDfError) Descriptor() ([]byte, []int) {
-	return file_pkg_rpc_base_base_proto_rawDescGZIP(), []int{0}
+	return file_internal_rpc_base_base_proto_rawDescGZIP(), []int{0}
 }
 
 func (x *GrpcDfError) GetCode() Code {
@@ -234,28 +233,28 @@ func (x *GrpcDfError) GetMessage() string {
 	return ""
 }
 
+// UrlMeta describes url meta info.
 type UrlMeta struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	// format:md5:xxx or sha256:yyy, used as follows:
-	//
-	// 1. check whether downloaded content is consistent with the source file
-	//
-	// 2. generate different task ids for same url
+	// digest checks integrity of url content, for example md5:xxx or sha256:yyy
 	Digest string `protobuf:"bytes,1,opt,name=digest,proto3" json:"digest,omitempty"`
-	// downloaded range for url
-	Range string `protobuf:"bytes,2,opt,name=range,proto3" json:"range,omitempty"`
-	// other attributes for url
-	// eg, when url is http protocol, header is used as http header
-	Header map[string]string `protobuf:"bytes,3,rep,name=header,proto3" json:"header,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+	// url tag identifies different task for same url, conflict with digest
+	Tag string `protobuf:"bytes,2,opt,name=tag,proto3" json:"tag,omitempty"`
+	// content range for url
+	Range string `protobuf:"bytes,3,opt,name=range,proto3" json:"range,omitempty"`
+	// filter url used to generate task id
+	Filter string `protobuf:"bytes,4,opt,name=filter,proto3" json:"filter,omitempty"`
+	// other url header infos
+	Header map[string]string `protobuf:"bytes,5,rep,name=header,proto3" json:"header,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
 }
 
 func (x *UrlMeta) Reset() {
 	*x = UrlMeta{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_rpc_base_base_proto_msgTypes[1]
+		mi := &file_internal_rpc_base_base_proto_msgTypes[1]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -268,7 +267,7 @@ func (x *UrlMeta) String() string {
 func (*UrlMeta) ProtoMessage() {}
 
 func (x *UrlMeta) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_rpc_base_base_proto_msgTypes[1]
+	mi := &file_internal_rpc_base_base_proto_msgTypes[1]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -281,7 +280,7 @@ func (x *UrlMeta) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use UrlMeta.ProtoReflect.Descriptor instead.
 func (*UrlMeta) Descriptor() ([]byte, []int) {
-	return file_pkg_rpc_base_base_proto_rawDescGZIP(), []int{1}
+	return file_internal_rpc_base_base_proto_rawDescGZIP(), []int{1}
 }
 
 func (x *UrlMeta) GetDigest() string {
@@ -291,6 +290,13 @@ func (x *UrlMeta) GetDigest() string {
 	return ""
 }
 
+func (x *UrlMeta) GetTag() string {
+	if x != nil {
+		return x.Tag
+	}
+	return ""
+}
+
 func (x *UrlMeta) GetRange() string {
 	if x != nil {
 		return x.Range
@@ -298,6 +304,13 @@ func (x *UrlMeta) GetRange() string {
 	return ""
 }
 
+func (x *UrlMeta) GetFilter() string {
+	if x != nil {
+		return x.Filter
+	}
+	return ""
+}
+
 func (x *UrlMeta) GetHeader() map[string]string {
 	if x != nil {
 		return x.Header
@@ -321,7 +334,7 @@ type HostLoad struct {
 func (x *HostLoad) Reset() {
 	*x = HostLoad{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_rpc_base_base_proto_msgTypes[2]
+		mi := &file_internal_rpc_base_base_proto_msgTypes[2]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -334,7 +347,7 @@ func (x *HostLoad) String() string {
 func (*HostLoad) ProtoMessage() {}
 
 func (x *HostLoad) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_rpc_base_base_proto_msgTypes[2]
+	mi := &file_internal_rpc_base_base_proto_msgTypes[2]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -347,7 +360,7 @@ func (x *HostLoad) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use HostLoad.ProtoReflect.Descriptor instead.
 func (*HostLoad) Descriptor() ([]byte, []int) {
-	return file_pkg_rpc_base_base_proto_rawDescGZIP(), []int{2}
+	return file_internal_rpc_base_base_proto_rawDescGZIP(), []int{2}
 }
 
 func (x *HostLoad) GetCpuRatio() float32 {
@@ -388,7 +401,7 @@ type PieceTaskRequest struct {
 func (x *PieceTaskRequest) Reset() {
 	*x = PieceTaskRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_rpc_base_base_proto_msgTypes[3]
+		mi := &file_internal_rpc_base_base_proto_msgTypes[3]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -401,7 +414,7 @@ func (x *PieceTaskRequest) String() string {
 func (*PieceTaskRequest) ProtoMessage() {}
 
 func (x *PieceTaskRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_rpc_base_base_proto_msgTypes[3]
+	mi := &file_internal_rpc_base_base_proto_msgTypes[3]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -414,7 +427,7 @@ func (x *PieceTaskRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use PieceTaskRequest.ProtoReflect.Descriptor instead.
 func (*PieceTaskRequest) Descriptor() ([]byte, []int) {
-	return file_pkg_rpc_base_base_proto_rawDescGZIP(), []int{3}
+	return file_internal_rpc_base_base_proto_rawDescGZIP(), []int{3}
 }
 
 func (x *PieceTaskRequest) GetTaskId() string {
@@ -468,7 +481,7 @@ type PieceInfo struct {
 func (x *PieceInfo) Reset() {
 	*x = PieceInfo{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_rpc_base_base_proto_msgTypes[4]
+		mi := &file_internal_rpc_base_base_proto_msgTypes[4]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -481,7 +494,7 @@ func (x *PieceInfo) String() string {
 func (*PieceInfo) ProtoMessage() {}
 
 func (x *PieceInfo) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_rpc_base_base_proto_msgTypes[4]
+	mi := &file_internal_rpc_base_base_proto_msgTypes[4]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -494,7 +507,7 @@ func (x *PieceInfo) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use PieceInfo.ProtoReflect.Descriptor instead.
 func (*PieceInfo) Descriptor() ([]byte, []int) {
-	return file_pkg_rpc_base_base_proto_rawDescGZIP(), []int{4}
+	return file_internal_rpc_base_base_proto_rawDescGZIP(), []int{4}
 }
 
 func (x *PieceInfo) GetPieceNum() int32 {
@@ -559,7 +572,7 @@ type PiecePacket struct {
 func (x *PiecePacket) Reset() {
 	*x = PiecePacket{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_rpc_base_base_proto_msgTypes[5]
+		mi := &file_internal_rpc_base_base_proto_msgTypes[5]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -572,7 +585,7 @@ func (x *PiecePacket) String() string {
 func (*PiecePacket) ProtoMessage() {}
 
 func (x *PiecePacket) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_rpc_base_base_proto_msgTypes[5]
+	mi := &file_internal_rpc_base_base_proto_msgTypes[5]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -585,7 +598,7 @@ func (x *PiecePacket) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use PiecePacket.ProtoReflect.Descriptor instead.
 func (*PiecePacket) Descriptor() ([]byte, []int) {
-	return file_pkg_rpc_base_base_proto_rawDescGZIP(), []int{5}
+	return file_internal_rpc_base_base_proto_rawDescGZIP(), []int{5}
 }
 
 func (x *PiecePacket) GetTaskId() string {
@@ -637,98 +650,101 @@ func (x *PiecePacket) GetPieceMd5Sign() string {
 	return ""
 }
 
-var File_pkg_rpc_base_base_proto protoreflect.FileDescriptor
+var File_internal_rpc_base_base_proto protoreflect.FileDescriptor
 
-var file_pkg_rpc_base_base_proto_rawDesc = []byte{
-	0x0a, 0x17, 0x70, 0x6b, 0x67, 0x2f, 0x72, 0x70, 0x63, 0x2f, 0x62, 0x61, 0x73, 0x65, 0x2f, 0x62,
-	0x61, 0x73, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x04, 0x62, 0x61, 0x73, 0x65, 0x22,
-	0x47, 0x0a, 0x0b, 0x47, 0x72, 0x70, 0x63, 0x44, 0x66, 0x45, 0x72, 0x72, 0x6f, 0x72, 0x12, 0x1e,
-	0x0a, 0x04, 0x63, 0x6f, 0x64, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x0a, 0x2e, 0x62,
-	0x61, 0x73, 0x65, 0x2e, 0x43, 0x6f, 0x64, 0x65, 0x52, 0x04, 0x63, 0x6f, 0x64, 0x65, 0x12, 0x18,
-	0x0a, 0x07, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52,
-	0x07, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x22, 0xa5, 0x01, 0x0a, 0x07, 0x55, 0x72, 0x6c,
-	0x4d, 0x65, 0x74, 0x61, 0x12, 0x16, 0x0a, 0x06, 0x64, 0x69, 0x67, 0x65, 0x73, 0x74, 0x18, 0x01,
-	0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x64, 0x69, 0x67, 0x65, 0x73, 0x74, 0x12, 0x14, 0x0a, 0x05,
-	0x72, 0x61, 0x6e, 0x67, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x72, 0x61, 0x6e,
-	0x67, 0x65, 0x12, 0x31, 0x0a, 0x06, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x18, 0x03, 0x20, 0x03,
-	0x28, 0x0b, 0x32, 0x19, 0x2e, 0x62, 0x61, 0x73, 0x65, 0x2e, 0x55, 0x72, 0x6c, 0x4d, 0x65, 0x74,
-	0x61, 0x2e, 0x48, 0x65, 0x61, 0x64, 0x65, 0x72, 0x45, 0x6e, 0x74, 0x72, 0x79, 0x52, 0x06, 0x68,
-	0x65, 0x61, 0x64, 0x65, 0x72, 0x1a, 0x39, 0x0a, 0x0b, 0x48, 0x65, 0x61, 0x64, 0x65, 0x72, 0x45,
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+	0x67, 0x6e, 0x2a, 0x19, 0x0a, 0x04, 0x43, 0x6f, 0x64, 0x65, 0x12, 0x11, 0x0a, 0x0d, 0x58, 0x5f,
+	0x55, 0x4e, 0x53, 0x50, 0x45, 0x43, 0x49, 0x46, 0x49, 0x45, 0x44, 0x10, 0x00, 0x2a, 0x17, 0x0a,
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+	0x09, 0x0a, 0x05, 0x53, 0x4d, 0x41, 0x4c, 0x4c, 0x10, 0x01, 0x12, 0x08, 0x0a, 0x04, 0x54, 0x49,
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+	0x72, 0x61, 0x67, 0x6f, 0x6e, 0x66, 0x6c, 0x79, 0x2f, 0x76, 0x32, 0x2f, 0x69, 0x6e, 0x74, 0x65,
+	0x72, 0x6e, 0x61, 0x6c, 0x2f, 0x72, 0x70, 0x63, 0x2f, 0x62, 0x61, 0x73, 0x65, 0x62, 0x06, 0x70,
+	0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
-	file_pkg_rpc_base_base_proto_rawDescOnce sync.Once
-	file_pkg_rpc_base_base_proto_rawDescData = file_pkg_rpc_base_base_proto_rawDesc
+	file_internal_rpc_base_base_proto_rawDescOnce sync.Once
+	file_internal_rpc_base_base_proto_rawDescData = file_internal_rpc_base_base_proto_rawDesc
 )
 
-func file_pkg_rpc_base_base_proto_rawDescGZIP() []byte {
-	file_pkg_rpc_base_base_proto_rawDescOnce.Do(func() {
-		file_pkg_rpc_base_base_proto_rawDescData = protoimpl.X.CompressGZIP(file_pkg_rpc_base_base_proto_rawDescData)
+func file_internal_rpc_base_base_proto_rawDescGZIP() []byte {
+	file_internal_rpc_base_base_proto_rawDescOnce.Do(func() {
+		file_internal_rpc_base_base_proto_rawDescData = protoimpl.X.CompressGZIP(file_internal_rpc_base_base_proto_rawDescData)
 	})
-	return file_pkg_rpc_base_base_proto_rawDescData
+	return file_internal_rpc_base_base_proto_rawDescData
 }
 
-var file_pkg_rpc_base_base_proto_enumTypes = make([]protoimpl.EnumInfo, 3)
-var file_pkg_rpc_base_base_proto_msgTypes = make([]protoimpl.MessageInfo, 7)
-var file_pkg_rpc_base_base_proto_goTypes = []interface{}{
+var file_internal_rpc_base_base_proto_enumTypes = make([]protoimpl.EnumInfo, 3)
+var file_internal_rpc_base_base_proto_msgTypes = make([]protoimpl.MessageInfo, 7)
+var file_internal_rpc_base_base_proto_goTypes = []interface{}{
 	(Code)(0),                // 0: base.Code
 	(PieceStyle)(0),          // 1: base.PieceStyle
 	(SizeScope)(0),           // 2: base.SizeScope
@@ -740,7 +756,7 @@ var file_pkg_rpc_base_base_proto_goTypes = []interface{}{
 	(*PiecePacket)(nil),      // 8: base.PiecePacket
 	nil,                      // 9: base.UrlMeta.HeaderEntry
 }
-var file_pkg_rpc_base_base_proto_depIdxs = []int32{
+var file_internal_rpc_base_base_proto_depIdxs = []int32{
 	0, // 0: base.GrpcDfError.code:type_name -> base.Code
 	9, // 1: base.UrlMeta.header:type_name -> base.UrlMeta.HeaderEntry
 	1, // 2: base.PieceInfo.piece_style:type_name -> base.PieceStyle
@@ -752,13 +768,13 @@ var file_pkg_rpc_base_base_proto_depIdxs = []int32{
 	0, // [0:4] is the sub-list for field type_name
 }
 
-func init() { file_pkg_rpc_base_base_proto_init() }
-func file_pkg_rpc_base_base_proto_init() {
-	if File_pkg_rpc_base_base_proto != nil {
+func init() { file_internal_rpc_base_base_proto_init() }
+func file_internal_rpc_base_base_proto_init() {
+	if File_internal_rpc_base_base_proto != nil {
 		return
 	}
 	if !protoimpl.UnsafeEnabled {
-		file_pkg_rpc_base_base_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+		file_internal_rpc_base_base_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*GrpcDfError); i {
 			case 0:
 				return &v.state
@@ -770,7 +786,7 @@ func file_pkg_rpc_base_base_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_rpc_base_base_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+		file_internal_rpc_base_base_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*UrlMeta); i {
 			case 0:
 				return &v.state
@@ -782,7 +798,7 @@ func file_pkg_rpc_base_base_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_rpc_base_base_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+		file_internal_rpc_base_base_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*HostLoad); i {
 			case 0:
 				return &v.state
@@ -794,7 +810,7 @@ func file_pkg_rpc_base_base_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_rpc_base_base_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+		file_internal_rpc_base_base_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*PieceTaskRequest); i {
 			case 0:
 				return &v.state
@@ -806,7 +822,7 @@ func file_pkg_rpc_base_base_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_rpc_base_base_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+		file_internal_rpc_base_base_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*PieceInfo); i {
 			case 0:
 				return &v.state
@@ -818,7 +834,7 @@ func file_pkg_rpc_base_base_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_rpc_base_base_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
+		file_internal_rpc_base_base_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*PiecePacket); i {
 			case 0:
 				return &v.state
@@ -835,19 +851,19 @@ func file_pkg_rpc_base_base_proto_init() {
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_pkg_rpc_base_base_proto_rawDesc,
+			RawDescriptor: file_internal_rpc_base_base_proto_rawDesc,
 			NumEnums:      3,
 			NumMessages:   7,
 			NumExtensions: 0,
 			NumServices:   0,
 		},
-		GoTypes:           file_pkg_rpc_base_base_proto_goTypes,
-		DependencyIndexes: file_pkg_rpc_base_base_proto_depIdxs,
-		EnumInfos:         file_pkg_rpc_base_base_proto_enumTypes,
-		MessageInfos:      file_pkg_rpc_base_base_proto_msgTypes,
+		GoTypes:           file_internal_rpc_base_base_proto_goTypes,
+		DependencyIndexes: file_internal_rpc_base_base_proto_depIdxs,
+		EnumInfos:         file_internal_rpc_base_base_proto_enumTypes,
+		MessageInfos:      file_internal_rpc_base_base_proto_msgTypes,
 	}.Build()
-	File_pkg_rpc_base_base_proto = out.File
-	file_pkg_rpc_base_base_proto_rawDesc = nil
-	file_pkg_rpc_base_base_proto_goTypes = nil
-	file_pkg_rpc_base_base_proto_depIdxs = nil
+	File_internal_rpc_base_base_proto = out.File
+	file_internal_rpc_base_base_proto_rawDesc = nil
+	file_internal_rpc_base_base_proto_goTypes = nil
+	file_internal_rpc_base_base_proto_depIdxs = nil
 }
diff --git a/internal/rpc/base/base.proto b/internal/rpc/base/base.proto
index b0f26ac6c..602890f69 100644
--- a/internal/rpc/base/base.proto
+++ b/internal/rpc/base/base.proto
@@ -41,18 +41,18 @@ message GrpcDfError {
   string message = 2;
 }
 
+// UrlMeta describes url meta info.
 message UrlMeta{
-  // format:md5:xxx or sha256:yyy, used as follows:
-  //
-  // 1. check whether downloaded content is consistent with the source file
-  //
-  // 2. generate different task ids for same url
+  // digest checks integrity of url content, for example md5:xxx or sha256:yyy
   string digest = 1;
-  // downloaded range for url
-  string range = 2;
-  // other attributes for url
-  // eg, when url is http protocol, header is used as http header
-  map<string, string> header = 3;
+  // url tag identifies different task for same url, conflict with digest
+  string tag = 2;
+  // content range for url
+  string range = 3;
+  // filter url used to generate task id
+  string filter = 4;
+  // other url header infos
+  map<string, string> header = 5;
 }
 
 message HostLoad{
diff --git a/internal/rpc/cdnsystem/cdnsystem.pb.go b/internal/rpc/cdnsystem/cdnsystem.pb.go
index 16f224d35..3fa57d91d 100644
--- a/internal/rpc/cdnsystem/cdnsystem.pb.go
+++ b/internal/rpc/cdnsystem/cdnsystem.pb.go
@@ -17,18 +17,17 @@
 // versions:
 // 	protoc-gen-go v1.25.0
 // 	protoc        v3.15.8
-// source: pkg/rpc/cdnsystem/cdnsystem.proto
+// source: internal/rpc/cdnsystem/cdnsystem.proto
 
 package cdnsystem
 
 import (
-	reflect "reflect"
-	sync "sync"
-
 	base "d7y.io/dragonfly/v2/internal/rpc/base"
 	proto "github.com/golang/protobuf/proto"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
 )
 
 const (
@@ -56,7 +55,7 @@ type SeedRequest struct {
 func (x *SeedRequest) Reset() {
 	*x = SeedRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_rpc_cdnsystem_cdnsystem_proto_msgTypes[0]
+		mi := &file_internal_rpc_cdnsystem_cdnsystem_proto_msgTypes[0]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -69,7 +68,7 @@ func (x *SeedRequest) String() string {
 func (*SeedRequest) ProtoMessage() {}
 
 func (x *SeedRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_rpc_cdnsystem_cdnsystem_proto_msgTypes[0]
+	mi := &file_internal_rpc_cdnsystem_cdnsystem_proto_msgTypes[0]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -82,7 +81,7 @@ func (x *SeedRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use SeedRequest.ProtoReflect.Descriptor instead.
 func (*SeedRequest) Descriptor() ([]byte, []int) {
-	return file_pkg_rpc_cdnsystem_cdnsystem_proto_rawDescGZIP(), []int{0}
+	return file_internal_rpc_cdnsystem_cdnsystem_proto_rawDescGZIP(), []int{0}
 }
 
 func (x *SeedRequest) GetTaskId() string {
@@ -134,7 +133,7 @@ type PieceSeed struct {
 func (x *PieceSeed) Reset() {
 	*x = PieceSeed{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_rpc_cdnsystem_cdnsystem_proto_msgTypes[1]
+		mi := &file_internal_rpc_cdnsystem_cdnsystem_proto_msgTypes[1]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -147,7 +146,7 @@ func (x *PieceSeed) String() string {
 func (*PieceSeed) ProtoMessage() {}
 
 func (x *PieceSeed) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_rpc_cdnsystem_cdnsystem_proto_msgTypes[1]
+	mi := &file_internal_rpc_cdnsystem_cdnsystem_proto_msgTypes[1]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -160,7 +159,7 @@ func (x *PieceSeed) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use PieceSeed.ProtoReflect.Descriptor instead.
 func (*PieceSeed) Descriptor() ([]byte, []int) {
-	return file_pkg_rpc_cdnsystem_cdnsystem_proto_rawDescGZIP(), []int{1}
+	return file_internal_rpc_cdnsystem_cdnsystem_proto_rawDescGZIP(), []int{1}
 }
 
 func (x *PieceSeed) GetPeerId() string {
@@ -198,60 +197,61 @@ func (x *PieceSeed) GetContentLength() int64 {
 	return 0
 }
 
-var File_pkg_rpc_cdnsystem_cdnsystem_proto protoreflect.FileDescriptor
+var File_internal_rpc_cdnsystem_cdnsystem_proto protoreflect.FileDescriptor
 
-var file_pkg_rpc_cdnsystem_cdnsystem_proto_rawDesc = []byte{
-	0x0a, 0x21, 0x70, 0x6b, 0x67, 0x2f, 0x72, 0x70, 0x63, 0x2f, 0x63, 0x64, 0x6e, 0x73, 0x79, 0x73,
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+var file_internal_rpc_cdnsystem_cdnsystem_proto_rawDesc = []byte{
+	0x0a, 0x26, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x61, 0x6c, 0x2f, 0x72, 0x70, 0x63, 0x2f, 0x63,
+	0x64, 0x6e, 0x73, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x2f, 0x63, 0x64, 0x6e, 0x73, 0x79, 0x73, 0x74,
+	0x65, 0x6d, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x09, 0x63, 0x64, 0x6e, 0x73, 0x79, 0x73,
+	0x74, 0x65, 0x6d, 0x1a, 0x1c, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x61, 0x6c, 0x2f, 0x72, 0x70,
+	0x63, 0x2f, 0x62, 0x61, 0x73, 0x65, 0x2f, 0x62, 0x61, 0x73, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74,
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+	0x09, 0x52, 0x06, 0x74, 0x61, 0x73, 0x6b, 0x49, 0x64, 0x12, 0x10, 0x0a, 0x03, 0x75, 0x72, 0x6c,
+	0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x03, 0x75, 0x72, 0x6c, 0x12, 0x16, 0x0a, 0x06, 0x66,
+	0x69, 0x6c, 0x74, 0x65, 0x72, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x66, 0x69, 0x6c,
+	0x74, 0x65, 0x72, 0x12, 0x28, 0x0a, 0x08, 0x75, 0x72, 0x6c, 0x5f, 0x6d, 0x65, 0x74, 0x61, 0x18,
+	0x04, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x0d, 0x2e, 0x62, 0x61, 0x73, 0x65, 0x2e, 0x55, 0x72, 0x6c,
+	0x4d, 0x65, 0x74, 0x61, 0x52, 0x07, 0x75, 0x72, 0x6c, 0x4d, 0x65, 0x74, 0x61, 0x22, 0xb0, 0x01,
+	0x0a, 0x09, 0x50, 0x69, 0x65, 0x63, 0x65, 0x53, 0x65, 0x65, 0x64, 0x12, 0x17, 0x0a, 0x07, 0x70,
+	0x65, 0x65, 0x72, 0x5f, 0x69, 0x64, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x70, 0x65,
+	0x65, 0x72, 0x49, 0x64, 0x12, 0x1f, 0x0a, 0x0b, 0x73, 0x65, 0x65, 0x64, 0x65, 0x72, 0x5f, 0x6e,
+	0x61, 0x6d, 0x65, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0a, 0x73, 0x65, 0x65, 0x64, 0x65,
+	0x72, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x2e, 0x0a, 0x0a, 0x70, 0x69, 0x65, 0x63, 0x65, 0x5f, 0x69,
+	0x6e, 0x66, 0x6f, 0x18, 0x04, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x0f, 0x2e, 0x62, 0x61, 0x73, 0x65,
+	0x2e, 0x50, 0x69, 0x65, 0x63, 0x65, 0x49, 0x6e, 0x66, 0x6f, 0x52, 0x09, 0x70, 0x69, 0x65, 0x63,
+	0x65, 0x49, 0x6e, 0x66, 0x6f, 0x12, 0x12, 0x0a, 0x04, 0x64, 0x6f, 0x6e, 0x65, 0x18, 0x05, 0x20,
+	0x01, 0x28, 0x08, 0x52, 0x04, 0x64, 0x6f, 0x6e, 0x65, 0x12, 0x25, 0x0a, 0x0e, 0x63, 0x6f, 0x6e,
+	0x74, 0x65, 0x6e, 0x74, 0x5f, 0x6c, 0x65, 0x6e, 0x67, 0x74, 0x68, 0x18, 0x06, 0x20, 0x01, 0x28,
+	0x03, 0x52, 0x0d, 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x4c, 0x65, 0x6e, 0x67, 0x74, 0x68,
+	0x32, 0x83, 0x01, 0x0a, 0x06, 0x53, 0x65, 0x65, 0x64, 0x65, 0x72, 0x12, 0x3d, 0x0a, 0x0b, 0x4f,
+	0x62, 0x74, 0x61, 0x69, 0x6e, 0x53, 0x65, 0x65, 0x64, 0x73, 0x12, 0x16, 0x2e, 0x63, 0x64, 0x6e,
+	0x73, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x2e, 0x53, 0x65, 0x65, 0x64, 0x52, 0x65, 0x71, 0x75, 0x65,
+	0x73, 0x74, 0x1a, 0x14, 0x2e, 0x63, 0x64, 0x6e, 0x73, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x2e, 0x50,
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+	0x73, 0x65, 0x2e, 0x50, 0x69, 0x65, 0x63, 0x65, 0x54, 0x61, 0x73, 0x6b, 0x52, 0x65, 0x71, 0x75,
+	0x65, 0x73, 0x74, 0x1a, 0x11, 0x2e, 0x62, 0x61, 0x73, 0x65, 0x2e, 0x50, 0x69, 0x65, 0x63, 0x65,
+	0x50, 0x61, 0x63, 0x6b, 0x65, 0x74, 0x42, 0x2c, 0x5a, 0x2a, 0x64, 0x37, 0x79, 0x2e, 0x69, 0x6f,
+	0x2f, 0x64, 0x72, 0x61, 0x67, 0x6f, 0x6e, 0x66, 0x6c, 0x79, 0x2f, 0x76, 0x32, 0x2f, 0x69, 0x6e,
+	0x74, 0x65, 0x72, 0x6e, 0x61, 0x6c, 0x2f, 0x72, 0x70, 0x63, 0x2f, 0x63, 0x64, 0x6e, 0x73, 0x79,
+	0x73, 0x74, 0x65, 0x6d, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
-	file_pkg_rpc_cdnsystem_cdnsystem_proto_rawDescOnce sync.Once
-	file_pkg_rpc_cdnsystem_cdnsystem_proto_rawDescData = file_pkg_rpc_cdnsystem_cdnsystem_proto_rawDesc
+	file_internal_rpc_cdnsystem_cdnsystem_proto_rawDescOnce sync.Once
+	file_internal_rpc_cdnsystem_cdnsystem_proto_rawDescData = file_internal_rpc_cdnsystem_cdnsystem_proto_rawDesc
 )
 
-func file_pkg_rpc_cdnsystem_cdnsystem_proto_rawDescGZIP() []byte {
-	file_pkg_rpc_cdnsystem_cdnsystem_proto_rawDescOnce.Do(func() {
-		file_pkg_rpc_cdnsystem_cdnsystem_proto_rawDescData = protoimpl.X.CompressGZIP(file_pkg_rpc_cdnsystem_cdnsystem_proto_rawDescData)
+func file_internal_rpc_cdnsystem_cdnsystem_proto_rawDescGZIP() []byte {
+	file_internal_rpc_cdnsystem_cdnsystem_proto_rawDescOnce.Do(func() {
+		file_internal_rpc_cdnsystem_cdnsystem_proto_rawDescData = protoimpl.X.CompressGZIP(file_internal_rpc_cdnsystem_cdnsystem_proto_rawDescData)
 	})
-	return file_pkg_rpc_cdnsystem_cdnsystem_proto_rawDescData
+	return file_internal_rpc_cdnsystem_cdnsystem_proto_rawDescData
 }
 
-var file_pkg_rpc_cdnsystem_cdnsystem_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
-var file_pkg_rpc_cdnsystem_cdnsystem_proto_goTypes = []interface{}{
+var file_internal_rpc_cdnsystem_cdnsystem_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_internal_rpc_cdnsystem_cdnsystem_proto_goTypes = []interface{}{
 	(*SeedRequest)(nil),           // 0: cdnsystem.SeedRequest
 	(*PieceSeed)(nil),             // 1: cdnsystem.PieceSeed
 	(*base.UrlMeta)(nil),          // 2: base.UrlMeta
@@ -259,7 +259,7 @@ var file_pkg_rpc_cdnsystem_cdnsystem_proto_goTypes = []interface{}{
 	(*base.PieceTaskRequest)(nil), // 4: base.PieceTaskRequest
 	(*base.PiecePacket)(nil),      // 5: base.PiecePacket
 }
-var file_pkg_rpc_cdnsystem_cdnsystem_proto_depIdxs = []int32{
+var file_internal_rpc_cdnsystem_cdnsystem_proto_depIdxs = []int32{
 	2, // 0: cdnsystem.SeedRequest.url_meta:type_name -> base.UrlMeta
 	3, // 1: cdnsystem.PieceSeed.piece_info:type_name -> base.PieceInfo
 	0, // 2: cdnsystem.Seeder.ObtainSeeds:input_type -> cdnsystem.SeedRequest
@@ -273,13 +273,13 @@ var file_pkg_rpc_cdnsystem_cdnsystem_proto_depIdxs = []int32{
 	0, // [0:2] is the sub-list for field type_name
 }
 
-func init() { file_pkg_rpc_cdnsystem_cdnsystem_proto_init() }
-func file_pkg_rpc_cdnsystem_cdnsystem_proto_init() {
-	if File_pkg_rpc_cdnsystem_cdnsystem_proto != nil {
+func init() { file_internal_rpc_cdnsystem_cdnsystem_proto_init() }
+func file_internal_rpc_cdnsystem_cdnsystem_proto_init() {
+	if File_internal_rpc_cdnsystem_cdnsystem_proto != nil {
 		return
 	}
 	if !protoimpl.UnsafeEnabled {
-		file_pkg_rpc_cdnsystem_cdnsystem_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+		file_internal_rpc_cdnsystem_cdnsystem_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*SeedRequest); i {
 			case 0:
 				return &v.state
@@ -291,7 +291,7 @@ func file_pkg_rpc_cdnsystem_cdnsystem_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_rpc_cdnsystem_cdnsystem_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+		file_internal_rpc_cdnsystem_cdnsystem_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*PieceSeed); i {
 			case 0:
 				return &v.state
@@ -308,18 +308,18 @@ func file_pkg_rpc_cdnsystem_cdnsystem_proto_init() {
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_pkg_rpc_cdnsystem_cdnsystem_proto_rawDesc,
+			RawDescriptor: file_internal_rpc_cdnsystem_cdnsystem_proto_rawDesc,
 			NumEnums:      0,
 			NumMessages:   2,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
-		GoTypes:           file_pkg_rpc_cdnsystem_cdnsystem_proto_goTypes,
-		DependencyIndexes: file_pkg_rpc_cdnsystem_cdnsystem_proto_depIdxs,
-		MessageInfos:      file_pkg_rpc_cdnsystem_cdnsystem_proto_msgTypes,
+		GoTypes:           file_internal_rpc_cdnsystem_cdnsystem_proto_goTypes,
+		DependencyIndexes: file_internal_rpc_cdnsystem_cdnsystem_proto_depIdxs,
+		MessageInfos:      file_internal_rpc_cdnsystem_cdnsystem_proto_msgTypes,
 	}.Build()
-	File_pkg_rpc_cdnsystem_cdnsystem_proto = out.File
-	file_pkg_rpc_cdnsystem_cdnsystem_proto_rawDesc = nil
-	file_pkg_rpc_cdnsystem_cdnsystem_proto_goTypes = nil
-	file_pkg_rpc_cdnsystem_cdnsystem_proto_depIdxs = nil
+	File_internal_rpc_cdnsystem_cdnsystem_proto = out.File
+	file_internal_rpc_cdnsystem_cdnsystem_proto_rawDesc = nil
+	file_internal_rpc_cdnsystem_cdnsystem_proto_goTypes = nil
+	file_internal_rpc_cdnsystem_cdnsystem_proto_depIdxs = nil
 }
diff --git a/internal/rpc/cdnsystem/cdnsystem_grpc.pb.go b/internal/rpc/cdnsystem/cdnsystem_grpc.pb.go
index bdc2f25f6..a4ef8a10e 100644
--- a/internal/rpc/cdnsystem/cdnsystem_grpc.pb.go
+++ b/internal/rpc/cdnsystem/cdnsystem_grpc.pb.go
@@ -4,7 +4,6 @@ package cdnsystem
 
 import (
 	context "context"
-
 	base "d7y.io/dragonfly/v2/internal/rpc/base"
 	grpc "google.golang.org/grpc"
 	codes "google.golang.org/grpc/codes"
@@ -163,5 +162,5 @@ var _Seeder_serviceDesc = grpc.ServiceDesc{
 			ServerStreams: true,
 		},
 	},
-	Metadata: "pkg/rpc/cdnsystem/cdnsystem.proto",
+	Metadata: "internal/rpc/cdnsystem/cdnsystem.proto",
 }
diff --git a/internal/rpc/dfdaemon/client/client.go b/internal/rpc/dfdaemon/client/client.go
index 6e55d6425..5cd8b8244 100644
--- a/internal/rpc/dfdaemon/client/client.go
+++ b/internal/rpc/dfdaemon/client/client.go
@@ -101,7 +101,7 @@ func (dc *daemonClient) getDaemonClientWithTarget(target string) (dfdaemon.Daemo
 func (dc *daemonClient) Download(ctx context.Context, req *dfdaemon.DownRequest, opts ...grpc.CallOption) (*DownResultStream, error) {
 	req.Uuid = uuid.New().String()
 	// generate taskID
-	taskID := idgen.TaskID(req.Url, req.Filter, req.UrlMeta, req.BizId)
+	taskID := idgen.TaskID(req.Url, req.UrlMeta.Filter, req.UrlMeta, req.UrlMeta.Tag)
 	return newDownResultStream(ctx, dc, taskID, req, opts)
 }
 
diff --git a/internal/rpc/dfdaemon/dfdaemon.pb.go b/internal/rpc/dfdaemon/dfdaemon.pb.go
index cf3f30e3d..4ac967e02 100644
--- a/internal/rpc/dfdaemon/dfdaemon.pb.go
+++ b/internal/rpc/dfdaemon/dfdaemon.pb.go
@@ -17,19 +17,18 @@
 // versions:
 // 	protoc-gen-go v1.25.0
 // 	protoc        v3.15.8
-// source: pkg/rpc/dfdaemon/dfdaemon.proto
+// source: internal/rpc/dfdaemon/dfdaemon.proto
 
 package dfdaemon
 
 import (
-	reflect "reflect"
-	sync "sync"
-
 	base "d7y.io/dragonfly/v2/internal/rpc/base"
 	proto "github.com/golang/protobuf/proto"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	emptypb "google.golang.org/protobuf/types/known/emptypb"
+	reflect "reflect"
+	sync "sync"
 )
 
 const (
@@ -48,27 +47,32 @@ type DownRequest struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	// download content with the url, but not only for http protocol
-	Url string `protobuf:"bytes,1,opt,name=url,proto3" json:"url,omitempty"`
+	// identify one downloading, the framework will fill it automatically
+	Uuid string `protobuf:"bytes,1,opt,name=uuid,proto3" json:"uuid,omitempty"`
+	// download file from the url, not only for http
+	Url string `protobuf:"bytes,2,opt,name=url,proto3" json:"url,omitempty"`
 	// pieces will be written to output path directly,
 	// at the same time, dfdaemon workspace also makes soft link to the output
-	Output  string        `protobuf:"bytes,2,opt,name=output,proto3" json:"output,omitempty"`
-	UrlMeta *base.UrlMeta `protobuf:"bytes,3,opt,name=url_meta,json=urlMeta,proto3" json:"url_meta,omitempty"`
-	// caller business id
-	BizId string `protobuf:"bytes,4,opt,name=biz_id,json=bizId,proto3" json:"biz_id,omitempty"`
-	// regex format
-	Filter string `protobuf:"bytes,5,opt,name=filter,proto3" json:"filter,omitempty"`
-	// identify one downloading
-	// framework will fill it automatically
-	Uuid string `protobuf:"bytes,6,opt,name=uuid,proto3" json:"uuid,omitempty"`
-	Uid  int64  `protobuf:"varint,7,opt,name=uid,proto3" json:"uid,omitempty"`
-	Gid  int64  `protobuf:"varint,8,opt,name=gid,proto3" json:"gid,omitempty"`
+	Output string `protobuf:"bytes,3,opt,name=output,proto3" json:"output,omitempty"`
+	// timeout duration, default 3 hour
+	Timeout int64 `protobuf:"varint,4,opt,name=timeout,proto3" json:"timeout,omitempty"`
+	// rate limit in bytes per second
+	Limit   int64         `protobuf:"varint,5,opt,name=limit,proto3" json:"limit,omitempty"`
+	UrlMeta *base.UrlMeta `protobuf:"bytes,6,opt,name=url_meta,json=urlMeta,proto3" json:"url_meta,omitempty"`
+	// p2p/cdn/source
+	Pattern string `protobuf:"bytes,7,opt,name=pattern,proto3" json:"pattern,omitempty"`
+	// call system
+	Callsystem string `protobuf:"bytes,8,opt,name=callsystem,proto3" json:"callsystem,omitempty"`
+	// user id
+	Uid int64 `protobuf:"varint,9,opt,name=uid,proto3" json:"uid,omitempty"`
+	// group id
+	Gid int64 `protobuf:"varint,10,opt,name=gid,proto3" json:"gid,omitempty"`
 }
 
 func (x *DownRequest) Reset() {
 	*x = DownRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_rpc_dfdaemon_dfdaemon_proto_msgTypes[0]
+		mi := &file_internal_rpc_dfdaemon_dfdaemon_proto_msgTypes[0]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -81,7 +85,7 @@ func (x *DownRequest) String() string {
 func (*DownRequest) ProtoMessage() {}
 
 func (x *DownRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_rpc_dfdaemon_dfdaemon_proto_msgTypes[0]
+	mi := &file_internal_rpc_dfdaemon_dfdaemon_proto_msgTypes[0]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -94,7 +98,14 @@ func (x *DownRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DownRequest.ProtoReflect.Descriptor instead.
 func (*DownRequest) Descriptor() ([]byte, []int) {
-	return file_pkg_rpc_dfdaemon_dfdaemon_proto_rawDescGZIP(), []int{0}
+	return file_internal_rpc_dfdaemon_dfdaemon_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *DownRequest) GetUuid() string {
+	if x != nil {
+		return x.Uuid
+	}
+	return ""
 }
 
 func (x *DownRequest) GetUrl() string {
@@ -111,6 +122,20 @@ func (x *DownRequest) GetOutput() string {
 	return ""
 }
 
+func (x *DownRequest) GetTimeout() int64 {
+	if x != nil {
+		return x.Timeout
+	}
+	return 0
+}
+
+func (x *DownRequest) GetLimit() int64 {
+	if x != nil {
+		return x.Limit
+	}
+	return 0
+}
+
 func (x *DownRequest) GetUrlMeta() *base.UrlMeta {
 	if x != nil {
 		return x.UrlMeta
@@ -118,23 +143,16 @@ func (x *DownRequest) GetUrlMeta() *base.UrlMeta {
 	return nil
 }
 
-func (x *DownRequest) GetBizId() string {
+func (x *DownRequest) GetPattern() string {
 	if x != nil {
-		return x.BizId
+		return x.Pattern
 	}
 	return ""
 }
 
-func (x *DownRequest) GetFilter() string {
+func (x *DownRequest) GetCallsystem() string {
 	if x != nil {
-		return x.Filter
-	}
-	return ""
-}
-
-func (x *DownRequest) GetUuid() string {
-	if x != nil {
-		return x.Uuid
+		return x.Callsystem
 	}
 	return ""
 }
@@ -168,7 +186,7 @@ type DownResult struct {
 func (x *DownResult) Reset() {
 	*x = DownResult{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_rpc_dfdaemon_dfdaemon_proto_msgTypes[1]
+		mi := &file_internal_rpc_dfdaemon_dfdaemon_proto_msgTypes[1]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -181,7 +199,7 @@ func (x *DownResult) String() string {
 func (*DownResult) ProtoMessage() {}
 
 func (x *DownResult) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_rpc_dfdaemon_dfdaemon_proto_msgTypes[1]
+	mi := &file_internal_rpc_dfdaemon_dfdaemon_proto_msgTypes[1]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -194,7 +212,7 @@ func (x *DownResult) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DownResult.ProtoReflect.Descriptor instead.
 func (*DownResult) Descriptor() ([]byte, []int) {
-	return file_pkg_rpc_dfdaemon_dfdaemon_proto_rawDescGZIP(), []int{1}
+	return file_internal_rpc_dfdaemon_dfdaemon_proto_rawDescGZIP(), []int{1}
 }
 
 func (x *DownResult) GetTaskId() string {
@@ -225,67 +243,72 @@ func (x *DownResult) GetDone() bool {
 	return false
 }
 
-var File_pkg_rpc_dfdaemon_dfdaemon_proto protoreflect.FileDescriptor
+var File_internal_rpc_dfdaemon_dfdaemon_proto protoreflect.FileDescriptor
 
-var file_pkg_rpc_dfdaemon_dfdaemon_proto_rawDesc = []byte{
-	0x0a, 0x1f, 0x70, 0x6b, 0x67, 0x2f, 0x72, 0x70, 0x63, 0x2f, 0x64, 0x66, 0x64, 0x61, 0x65, 0x6d,
-	0x6f, 0x6e, 0x2f, 0x64, 0x66, 0x64, 0x61, 0x65, 0x6d, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74,
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+var file_internal_rpc_dfdaemon_dfdaemon_proto_rawDesc = []byte{
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+	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
-	file_pkg_rpc_dfdaemon_dfdaemon_proto_rawDescOnce sync.Once
-	file_pkg_rpc_dfdaemon_dfdaemon_proto_rawDescData = file_pkg_rpc_dfdaemon_dfdaemon_proto_rawDesc
+	file_internal_rpc_dfdaemon_dfdaemon_proto_rawDescOnce sync.Once
+	file_internal_rpc_dfdaemon_dfdaemon_proto_rawDescData = file_internal_rpc_dfdaemon_dfdaemon_proto_rawDesc
 )
 
-func file_pkg_rpc_dfdaemon_dfdaemon_proto_rawDescGZIP() []byte {
-	file_pkg_rpc_dfdaemon_dfdaemon_proto_rawDescOnce.Do(func() {
-		file_pkg_rpc_dfdaemon_dfdaemon_proto_rawDescData = protoimpl.X.CompressGZIP(file_pkg_rpc_dfdaemon_dfdaemon_proto_rawDescData)
+func file_internal_rpc_dfdaemon_dfdaemon_proto_rawDescGZIP() []byte {
+	file_internal_rpc_dfdaemon_dfdaemon_proto_rawDescOnce.Do(func() {
+		file_internal_rpc_dfdaemon_dfdaemon_proto_rawDescData = protoimpl.X.CompressGZIP(file_internal_rpc_dfdaemon_dfdaemon_proto_rawDescData)
 	})
-	return file_pkg_rpc_dfdaemon_dfdaemon_proto_rawDescData
+	return file_internal_rpc_dfdaemon_dfdaemon_proto_rawDescData
 }
 
-var file_pkg_rpc_dfdaemon_dfdaemon_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
-var file_pkg_rpc_dfdaemon_dfdaemon_proto_goTypes = []interface{}{
+var file_internal_rpc_dfdaemon_dfdaemon_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_internal_rpc_dfdaemon_dfdaemon_proto_goTypes = []interface{}{
 	(*DownRequest)(nil),           // 0: dfdaemon.DownRequest
 	(*DownResult)(nil),            // 1: dfdaemon.DownResult
 	(*base.UrlMeta)(nil),          // 2: base.UrlMeta
@@ -293,7 +316,7 @@ var file_pkg_rpc_dfdaemon_dfdaemon_proto_goTypes = []interface{}{
 	(*emptypb.Empty)(nil),         // 4: google.protobuf.Empty
 	(*base.PiecePacket)(nil),      // 5: base.PiecePacket
 }
-var file_pkg_rpc_dfdaemon_dfdaemon_proto_depIdxs = []int32{
+var file_internal_rpc_dfdaemon_dfdaemon_proto_depIdxs = []int32{
 	2, // 0: dfdaemon.DownRequest.url_meta:type_name -> base.UrlMeta
 	0, // 1: dfdaemon.Daemon.Download:input_type -> dfdaemon.DownRequest
 	3, // 2: dfdaemon.Daemon.GetPieceTasks:input_type -> base.PieceTaskRequest
@@ -308,13 +331,13 @@ var file_pkg_rpc_dfdaemon_dfdaemon_proto_depIdxs = []int32{
 	0, // [0:1] is the sub-list for field type_name
 }
 
-func init() { file_pkg_rpc_dfdaemon_dfdaemon_proto_init() }
-func file_pkg_rpc_dfdaemon_dfdaemon_proto_init() {
-	if File_pkg_rpc_dfdaemon_dfdaemon_proto != nil {
+func init() { file_internal_rpc_dfdaemon_dfdaemon_proto_init() }
+func file_internal_rpc_dfdaemon_dfdaemon_proto_init() {
+	if File_internal_rpc_dfdaemon_dfdaemon_proto != nil {
 		return
 	}
 	if !protoimpl.UnsafeEnabled {
-		file_pkg_rpc_dfdaemon_dfdaemon_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+		file_internal_rpc_dfdaemon_dfdaemon_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*DownRequest); i {
 			case 0:
 				return &v.state
@@ -326,7 +349,7 @@ func file_pkg_rpc_dfdaemon_dfdaemon_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_rpc_dfdaemon_dfdaemon_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+		file_internal_rpc_dfdaemon_dfdaemon_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*DownResult); i {
 			case 0:
 				return &v.state
@@ -343,18 +366,18 @@ func file_pkg_rpc_dfdaemon_dfdaemon_proto_init() {
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_pkg_rpc_dfdaemon_dfdaemon_proto_rawDesc,
+			RawDescriptor: file_internal_rpc_dfdaemon_dfdaemon_proto_rawDesc,
 			NumEnums:      0,
 			NumMessages:   2,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
-		GoTypes:           file_pkg_rpc_dfdaemon_dfdaemon_proto_goTypes,
-		DependencyIndexes: file_pkg_rpc_dfdaemon_dfdaemon_proto_depIdxs,
-		MessageInfos:      file_pkg_rpc_dfdaemon_dfdaemon_proto_msgTypes,
+		GoTypes:           file_internal_rpc_dfdaemon_dfdaemon_proto_goTypes,
+		DependencyIndexes: file_internal_rpc_dfdaemon_dfdaemon_proto_depIdxs,
+		MessageInfos:      file_internal_rpc_dfdaemon_dfdaemon_proto_msgTypes,
 	}.Build()
-	File_pkg_rpc_dfdaemon_dfdaemon_proto = out.File
-	file_pkg_rpc_dfdaemon_dfdaemon_proto_rawDesc = nil
-	file_pkg_rpc_dfdaemon_dfdaemon_proto_goTypes = nil
-	file_pkg_rpc_dfdaemon_dfdaemon_proto_depIdxs = nil
+	File_internal_rpc_dfdaemon_dfdaemon_proto = out.File
+	file_internal_rpc_dfdaemon_dfdaemon_proto_rawDesc = nil
+	file_internal_rpc_dfdaemon_dfdaemon_proto_goTypes = nil
+	file_internal_rpc_dfdaemon_dfdaemon_proto_depIdxs = nil
 }
diff --git a/internal/rpc/dfdaemon/dfdaemon.proto b/internal/rpc/dfdaemon/dfdaemon.proto
index b2c271aa7..dca0fdcd1 100644
--- a/internal/rpc/dfdaemon/dfdaemon.proto
+++ b/internal/rpc/dfdaemon/dfdaemon.proto
@@ -24,21 +24,26 @@ import "google/protobuf/empty.proto";
 option go_package = "d7y.io/dragonfly/v2/internal/rpc/dfdaemon";
 
 message DownRequest{
-  // download content with the url, but not only for http protocol
-  string url = 1;
+  // identify one downloading, the framework will fill it automatically
+  string uuid = 1;
+  // download file from the url, not only for http
+  string url = 2;
   // pieces will be written to output path directly,
   // at the same time, dfdaemon workspace also makes soft link to the output
-  string output = 2;
-  base.UrlMeta url_meta = 3;
-  // caller business id
-  string biz_id = 4;
-  // regex format
-  string filter = 5;
-  // identify one downloading
-  // framework will fill it automatically
-  string uuid = 6;
-  int64 uid = 7;
-  int64 gid = 8;
+  string output = 3;
+  // timeout duration, default 3 hour
+  int64 timeout = 4;
+  // rate limit in bytes per second
+  int64 limit = 5;
+  base.UrlMeta url_meta = 6;
+  // p2p/cdn/source
+  string pattern = 7;
+  // call system
+  string callsystem = 8;
+  // user id
+  int64 uid = 9;
+  // group id
+  int64 gid = 10;
 }
 
 message DownResult{
diff --git a/internal/rpc/dfdaemon/dfdaemon_grpc.pb.go b/internal/rpc/dfdaemon/dfdaemon_grpc.pb.go
index 553eaa9c5..c0152c447 100644
--- a/internal/rpc/dfdaemon/dfdaemon_grpc.pb.go
+++ b/internal/rpc/dfdaemon/dfdaemon_grpc.pb.go
@@ -4,7 +4,6 @@ package dfdaemon
 
 import (
 	context "context"
-
 	base "d7y.io/dragonfly/v2/internal/rpc/base"
 	grpc "google.golang.org/grpc"
 	codes "google.golang.org/grpc/codes"
@@ -202,5 +201,5 @@ var _Daemon_serviceDesc = grpc.ServiceDesc{
 			ServerStreams: true,
 		},
 	},
-	Metadata: "pkg/rpc/dfdaemon/dfdaemon.proto",
+	Metadata: "internal/rpc/dfdaemon/dfdaemon.proto",
 }
diff --git a/internal/rpc/manager/manager.pb.go b/internal/rpc/manager/manager.pb.go
index e0dce065e..6a06d9405 100644
--- a/internal/rpc/manager/manager.pb.go
+++ b/internal/rpc/manager/manager.pb.go
@@ -17,18 +17,17 @@
 // versions:
 // 	protoc-gen-go v1.25.0
 // 	protoc        v3.15.8
-// source: pkg/rpc/manager/manager.proto
+// source: internal/rpc/manager/manager.proto
 
 package manager
 
 import (
-	reflect "reflect"
-	sync "sync"
-
 	proto "github.com/golang/protobuf/proto"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	emptypb "google.golang.org/protobuf/types/known/emptypb"
+	reflect "reflect"
+	sync "sync"
 )
 
 const (
@@ -72,11 +71,11 @@ func (x ResourceType) String() string {
 }
 
 func (ResourceType) Descriptor() protoreflect.EnumDescriptor {
-	return file_pkg_rpc_manager_manager_proto_enumTypes[0].Descriptor()
+	return file_internal_rpc_manager_manager_proto_enumTypes[0].Descriptor()
 }
 
 func (ResourceType) Type() protoreflect.EnumType {
-	return &file_pkg_rpc_manager_manager_proto_enumTypes[0]
+	return &file_internal_rpc_manager_manager_proto_enumTypes[0]
 }
 
 func (x ResourceType) Number() protoreflect.EnumNumber {
@@ -85,7 +84,7 @@ func (x ResourceType) Number() protoreflect.EnumNumber {
 
 // Deprecated: Use ResourceType.Descriptor instead.
 func (ResourceType) EnumDescriptor() ([]byte, []int) {
-	return file_pkg_rpc_manager_manager_proto_rawDescGZIP(), []int{0}
+	return file_internal_rpc_manager_manager_proto_rawDescGZIP(), []int{0}
 }
 
 type GetSchedulersRequest struct {
@@ -104,7 +103,7 @@ type GetSchedulersRequest struct {
 func (x *GetSchedulersRequest) Reset() {
 	*x = GetSchedulersRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_rpc_manager_manager_proto_msgTypes[0]
+		mi := &file_internal_rpc_manager_manager_proto_msgTypes[0]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -117,7 +116,7 @@ func (x *GetSchedulersRequest) String() string {
 func (*GetSchedulersRequest) ProtoMessage() {}
 
 func (x *GetSchedulersRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_rpc_manager_manager_proto_msgTypes[0]
+	mi := &file_internal_rpc_manager_manager_proto_msgTypes[0]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -130,7 +129,7 @@ func (x *GetSchedulersRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetSchedulersRequest.ProtoReflect.Descriptor instead.
 func (*GetSchedulersRequest) Descriptor() ([]byte, []int) {
-	return file_pkg_rpc_manager_manager_proto_rawDescGZIP(), []int{0}
+	return file_internal_rpc_manager_manager_proto_rawDescGZIP(), []int{0}
 }
 
 func (x *GetSchedulersRequest) GetIp() string {
@@ -167,7 +166,7 @@ type SchedulerNodes struct {
 func (x *SchedulerNodes) Reset() {
 	*x = SchedulerNodes{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_rpc_manager_manager_proto_msgTypes[1]
+		mi := &file_internal_rpc_manager_manager_proto_msgTypes[1]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -180,7 +179,7 @@ func (x *SchedulerNodes) String() string {
 func (*SchedulerNodes) ProtoMessage() {}
 
 func (x *SchedulerNodes) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_rpc_manager_manager_proto_msgTypes[1]
+	mi := &file_internal_rpc_manager_manager_proto_msgTypes[1]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -193,7 +192,7 @@ func (x *SchedulerNodes) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use SchedulerNodes.ProtoReflect.Descriptor instead.
 func (*SchedulerNodes) Descriptor() ([]byte, []int) {
-	return file_pkg_rpc_manager_manager_proto_rawDescGZIP(), []int{1}
+	return file_internal_rpc_manager_manager_proto_rawDescGZIP(), []int{1}
 }
 
 func (x *SchedulerNodes) GetAddrs() []string {
@@ -223,7 +222,7 @@ type KeepAliveRequest struct {
 func (x *KeepAliveRequest) Reset() {
 	*x = KeepAliveRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_rpc_manager_manager_proto_msgTypes[2]
+		mi := &file_internal_rpc_manager_manager_proto_msgTypes[2]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -236,7 +235,7 @@ func (x *KeepAliveRequest) String() string {
 func (*KeepAliveRequest) ProtoMessage() {}
 
 func (x *KeepAliveRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_rpc_manager_manager_proto_msgTypes[2]
+	mi := &file_internal_rpc_manager_manager_proto_msgTypes[2]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -249,7 +248,7 @@ func (x *KeepAliveRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use KeepAliveRequest.ProtoReflect.Descriptor instead.
 func (*KeepAliveRequest) Descriptor() ([]byte, []int) {
-	return file_pkg_rpc_manager_manager_proto_rawDescGZIP(), []int{2}
+	return file_internal_rpc_manager_manager_proto_rawDescGZIP(), []int{2}
 }
 
 func (x *KeepAliveRequest) GetHostName() string {
@@ -279,7 +278,7 @@ type GetClusterConfigRequest struct {
 func (x *GetClusterConfigRequest) Reset() {
 	*x = GetClusterConfigRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_rpc_manager_manager_proto_msgTypes[3]
+		mi := &file_internal_rpc_manager_manager_proto_msgTypes[3]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -292,7 +291,7 @@ func (x *GetClusterConfigRequest) String() string {
 func (*GetClusterConfigRequest) ProtoMessage() {}
 
 func (x *GetClusterConfigRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_rpc_manager_manager_proto_msgTypes[3]
+	mi := &file_internal_rpc_manager_manager_proto_msgTypes[3]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -305,7 +304,7 @@ func (x *GetClusterConfigRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetClusterConfigRequest.ProtoReflect.Descriptor instead.
 func (*GetClusterConfigRequest) Descriptor() ([]byte, []int) {
-	return file_pkg_rpc_manager_manager_proto_rawDescGZIP(), []int{3}
+	return file_internal_rpc_manager_manager_proto_rawDescGZIP(), []int{3}
 }
 
 func (x *GetClusterConfigRequest) GetHostName() string {
@@ -331,7 +330,7 @@ type ClientConfig struct {
 func (x *ClientConfig) Reset() {
 	*x = ClientConfig{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_rpc_manager_manager_proto_msgTypes[4]
+		mi := &file_internal_rpc_manager_manager_proto_msgTypes[4]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -344,7 +343,7 @@ func (x *ClientConfig) String() string {
 func (*ClientConfig) ProtoMessage() {}
 
 func (x *ClientConfig) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_rpc_manager_manager_proto_msgTypes[4]
+	mi := &file_internal_rpc_manager_manager_proto_msgTypes[4]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -357,7 +356,7 @@ func (x *ClientConfig) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ClientConfig.ProtoReflect.Descriptor instead.
 func (*ClientConfig) Descriptor() ([]byte, []int) {
-	return file_pkg_rpc_manager_manager_proto_rawDescGZIP(), []int{4}
+	return file_internal_rpc_manager_manager_proto_rawDescGZIP(), []int{4}
 }
 
 type CdnConfig struct {
@@ -375,7 +374,7 @@ type CdnConfig struct {
 func (x *CdnConfig) Reset() {
 	*x = CdnConfig{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_rpc_manager_manager_proto_msgTypes[5]
+		mi := &file_internal_rpc_manager_manager_proto_msgTypes[5]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -388,7 +387,7 @@ func (x *CdnConfig) String() string {
 func (*CdnConfig) ProtoMessage() {}
 
 func (x *CdnConfig) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_rpc_manager_manager_proto_msgTypes[5]
+	mi := &file_internal_rpc_manager_manager_proto_msgTypes[5]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -401,7 +400,7 @@ func (x *CdnConfig) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use CdnConfig.ProtoReflect.Descriptor instead.
 func (*CdnConfig) Descriptor() ([]byte, []int) {
-	return file_pkg_rpc_manager_manager_proto_rawDescGZIP(), []int{5}
+	return file_internal_rpc_manager_manager_proto_rawDescGZIP(), []int{5}
 }
 
 func (x *CdnConfig) GetClusterId() string {
@@ -456,7 +455,7 @@ type SchedulerConfig struct {
 func (x *SchedulerConfig) Reset() {
 	*x = SchedulerConfig{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_rpc_manager_manager_proto_msgTypes[6]
+		mi := &file_internal_rpc_manager_manager_proto_msgTypes[6]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -469,7 +468,7 @@ func (x *SchedulerConfig) String() string {
 func (*SchedulerConfig) ProtoMessage() {}
 
 func (x *SchedulerConfig) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_rpc_manager_manager_proto_msgTypes[6]
+	mi := &file_internal_rpc_manager_manager_proto_msgTypes[6]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -482,7 +481,7 @@ func (x *SchedulerConfig) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use SchedulerConfig.ProtoReflect.Descriptor instead.
 func (*SchedulerConfig) Descriptor() ([]byte, []int) {
-	return file_pkg_rpc_manager_manager_proto_rawDescGZIP(), []int{6}
+	return file_internal_rpc_manager_manager_proto_rawDescGZIP(), []int{6}
 }
 
 func (x *SchedulerConfig) GetClusterId() string {
@@ -548,7 +547,7 @@ type ClusterConfig struct {
 func (x *ClusterConfig) Reset() {
 	*x = ClusterConfig{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_rpc_manager_manager_proto_msgTypes[7]
+		mi := &file_internal_rpc_manager_manager_proto_msgTypes[7]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -561,7 +560,7 @@ func (x *ClusterConfig) String() string {
 func (*ClusterConfig) ProtoMessage() {}
 
 func (x *ClusterConfig) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_rpc_manager_manager_proto_msgTypes[7]
+	mi := &file_internal_rpc_manager_manager_proto_msgTypes[7]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -574,7 +573,7 @@ func (x *ClusterConfig) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ClusterConfig.ProtoReflect.Descriptor instead.
 func (*ClusterConfig) Descriptor() ([]byte, []int) {
-	return file_pkg_rpc_manager_manager_proto_rawDescGZIP(), []int{7}
+	return file_internal_rpc_manager_manager_proto_rawDescGZIP(), []int{7}
 }
 
 func (m *ClusterConfig) GetConfig() isClusterConfig_Config {
@@ -627,7 +626,7 @@ type ServerInfo struct {
 func (x *ServerInfo) Reset() {
 	*x = ServerInfo{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_rpc_manager_manager_proto_msgTypes[8]
+		mi := &file_internal_rpc_manager_manager_proto_msgTypes[8]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -640,7 +639,7 @@ func (x *ServerInfo) String() string {
 func (*ServerInfo) ProtoMessage() {}
 
 func (x *ServerInfo) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_rpc_manager_manager_proto_msgTypes[8]
+	mi := &file_internal_rpc_manager_manager_proto_msgTypes[8]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -653,7 +652,7 @@ func (x *ServerInfo) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ServerInfo.ProtoReflect.Descriptor instead.
 func (*ServerInfo) Descriptor() ([]byte, []int) {
-	return file_pkg_rpc_manager_manager_proto_rawDescGZIP(), []int{8}
+	return file_internal_rpc_manager_manager_proto_rawDescGZIP(), []int{8}
 }
 
 func (x *ServerInfo) GetHostInfo() *HostInfo {
@@ -696,7 +695,7 @@ type HostInfo struct {
 func (x *HostInfo) Reset() {
 	*x = HostInfo{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_rpc_manager_manager_proto_msgTypes[9]
+		mi := &file_internal_rpc_manager_manager_proto_msgTypes[9]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -709,7 +708,7 @@ func (x *HostInfo) String() string {
 func (*HostInfo) ProtoMessage() {}
 
 func (x *HostInfo) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_rpc_manager_manager_proto_msgTypes[9]
+	mi := &file_internal_rpc_manager_manager_proto_msgTypes[9]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -722,7 +721,7 @@ func (x *HostInfo) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use HostInfo.ProtoReflect.Descriptor instead.
 func (*HostInfo) Descriptor() ([]byte, []int) {
-	return file_pkg_rpc_manager_manager_proto_rawDescGZIP(), []int{9}
+	return file_internal_rpc_manager_manager_proto_rawDescGZIP(), []int{9}
 }
 
 func (x *HostInfo) GetIp() string {
@@ -774,144 +773,145 @@ func (x *HostInfo) GetNetTopology() string {
 	return ""
 }
 
-var File_pkg_rpc_manager_manager_proto protoreflect.FileDescriptor
+var File_internal_rpc_manager_manager_proto protoreflect.FileDescriptor
 
-var file_pkg_rpc_manager_manager_proto_rawDesc = []byte{
-	0x0a, 0x1d, 0x70, 0x6b, 0x67, 0x2f, 0x72, 0x70, 0x63, 0x2f, 0x6d, 0x61, 0x6e, 0x61, 0x67, 0x65,
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 }
 
 var (
-	file_pkg_rpc_manager_manager_proto_rawDescOnce sync.Once
-	file_pkg_rpc_manager_manager_proto_rawDescData = file_pkg_rpc_manager_manager_proto_rawDesc
+	file_internal_rpc_manager_manager_proto_rawDescOnce sync.Once
+	file_internal_rpc_manager_manager_proto_rawDescData = file_internal_rpc_manager_manager_proto_rawDesc
 )
 
-func file_pkg_rpc_manager_manager_proto_rawDescGZIP() []byte {
-	file_pkg_rpc_manager_manager_proto_rawDescOnce.Do(func() {
-		file_pkg_rpc_manager_manager_proto_rawDescData = protoimpl.X.CompressGZIP(file_pkg_rpc_manager_manager_proto_rawDescData)
+func file_internal_rpc_manager_manager_proto_rawDescGZIP() []byte {
+	file_internal_rpc_manager_manager_proto_rawDescOnce.Do(func() {
+		file_internal_rpc_manager_manager_proto_rawDescData = protoimpl.X.CompressGZIP(file_internal_rpc_manager_manager_proto_rawDescData)
 	})
-	return file_pkg_rpc_manager_manager_proto_rawDescData
+	return file_internal_rpc_manager_manager_proto_rawDescData
 }
 
-var file_pkg_rpc_manager_manager_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
-var file_pkg_rpc_manager_manager_proto_msgTypes = make([]protoimpl.MessageInfo, 11)
-var file_pkg_rpc_manager_manager_proto_goTypes = []interface{}{
+var file_internal_rpc_manager_manager_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
+var file_internal_rpc_manager_manager_proto_msgTypes = make([]protoimpl.MessageInfo, 11)
+var file_internal_rpc_manager_manager_proto_goTypes = []interface{}{
 	(ResourceType)(0),               // 0: manager.ResourceType
 	(*GetSchedulersRequest)(nil),    // 1: manager.GetSchedulersRequest
 	(*SchedulerNodes)(nil),          // 2: manager.SchedulerNodes
@@ -926,7 +926,7 @@ var file_pkg_rpc_manager_manager_proto_goTypes = []interface{}{
 	nil,                             // 11: manager.HostInfo.ProxyDomainEntry
 	(*emptypb.Empty)(nil),           // 12: google.protobuf.Empty
 }
-var file_pkg_rpc_manager_manager_proto_depIdxs = []int32{
+var file_internal_rpc_manager_manager_proto_depIdxs = []int32{
 	10, // 0: manager.SchedulerNodes.client_host:type_name -> manager.HostInfo
 	0,  // 1: manager.KeepAliveRequest.type:type_name -> manager.ResourceType
 	0,  // 2: manager.GetClusterConfigRequest.type:type_name -> manager.ResourceType
@@ -948,13 +948,13 @@ var file_pkg_rpc_manager_manager_proto_depIdxs = []int32{
 	0,  // [0:8] is the sub-list for field type_name
 }
 
-func init() { file_pkg_rpc_manager_manager_proto_init() }
-func file_pkg_rpc_manager_manager_proto_init() {
-	if File_pkg_rpc_manager_manager_proto != nil {
+func init() { file_internal_rpc_manager_manager_proto_init() }
+func file_internal_rpc_manager_manager_proto_init() {
+	if File_internal_rpc_manager_manager_proto != nil {
 		return
 	}
 	if !protoimpl.UnsafeEnabled {
-		file_pkg_rpc_manager_manager_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+		file_internal_rpc_manager_manager_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*GetSchedulersRequest); i {
 			case 0:
 				return &v.state
@@ -966,7 +966,7 @@ func file_pkg_rpc_manager_manager_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_rpc_manager_manager_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+		file_internal_rpc_manager_manager_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*SchedulerNodes); i {
 			case 0:
 				return &v.state
@@ -978,7 +978,7 @@ func file_pkg_rpc_manager_manager_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_rpc_manager_manager_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+		file_internal_rpc_manager_manager_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*KeepAliveRequest); i {
 			case 0:
 				return &v.state
@@ -990,7 +990,7 @@ func file_pkg_rpc_manager_manager_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_rpc_manager_manager_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+		file_internal_rpc_manager_manager_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*GetClusterConfigRequest); i {
 			case 0:
 				return &v.state
@@ -1002,7 +1002,7 @@ func file_pkg_rpc_manager_manager_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_rpc_manager_manager_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+		file_internal_rpc_manager_manager_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ClientConfig); i {
 			case 0:
 				return &v.state
@@ -1014,7 +1014,7 @@ func file_pkg_rpc_manager_manager_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_rpc_manager_manager_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
+		file_internal_rpc_manager_manager_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*CdnConfig); i {
 			case 0:
 				return &v.state
@@ -1026,7 +1026,7 @@ func file_pkg_rpc_manager_manager_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_rpc_manager_manager_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
+		file_internal_rpc_manager_manager_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*SchedulerConfig); i {
 			case 0:
 				return &v.state
@@ -1038,7 +1038,7 @@ func file_pkg_rpc_manager_manager_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_rpc_manager_manager_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
+		file_internal_rpc_manager_manager_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ClusterConfig); i {
 			case 0:
 				return &v.state
@@ -1050,7 +1050,7 @@ func file_pkg_rpc_manager_manager_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_rpc_manager_manager_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
+		file_internal_rpc_manager_manager_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ServerInfo); i {
 			case 0:
 				return &v.state
@@ -1062,7 +1062,7 @@ func file_pkg_rpc_manager_manager_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_rpc_manager_manager_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} {
+		file_internal_rpc_manager_manager_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*HostInfo); i {
 			case 0:
 				return &v.state
@@ -1075,7 +1075,7 @@ func file_pkg_rpc_manager_manager_proto_init() {
 			}
 		}
 	}
-	file_pkg_rpc_manager_manager_proto_msgTypes[7].OneofWrappers = []interface{}{
+	file_internal_rpc_manager_manager_proto_msgTypes[7].OneofWrappers = []interface{}{
 		(*ClusterConfig_SchedulerConfig)(nil),
 		(*ClusterConfig_CdnConfig)(nil),
 	}
@@ -1083,19 +1083,19 @@ func file_pkg_rpc_manager_manager_proto_init() {
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_pkg_rpc_manager_manager_proto_rawDesc,
+			RawDescriptor: file_internal_rpc_manager_manager_proto_rawDesc,
 			NumEnums:      1,
 			NumMessages:   11,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
-		GoTypes:           file_pkg_rpc_manager_manager_proto_goTypes,
-		DependencyIndexes: file_pkg_rpc_manager_manager_proto_depIdxs,
-		EnumInfos:         file_pkg_rpc_manager_manager_proto_enumTypes,
-		MessageInfos:      file_pkg_rpc_manager_manager_proto_msgTypes,
+		GoTypes:           file_internal_rpc_manager_manager_proto_goTypes,
+		DependencyIndexes: file_internal_rpc_manager_manager_proto_depIdxs,
+		EnumInfos:         file_internal_rpc_manager_manager_proto_enumTypes,
+		MessageInfos:      file_internal_rpc_manager_manager_proto_msgTypes,
 	}.Build()
-	File_pkg_rpc_manager_manager_proto = out.File
-	file_pkg_rpc_manager_manager_proto_rawDesc = nil
-	file_pkg_rpc_manager_manager_proto_goTypes = nil
-	file_pkg_rpc_manager_manager_proto_depIdxs = nil
+	File_internal_rpc_manager_manager_proto = out.File
+	file_internal_rpc_manager_manager_proto_rawDesc = nil
+	file_internal_rpc_manager_manager_proto_goTypes = nil
+	file_internal_rpc_manager_manager_proto_depIdxs = nil
 }
diff --git a/internal/rpc/manager/manager_grpc.pb.go b/internal/rpc/manager/manager_grpc.pb.go
index 3789fe6c7..4e7bb4aa9 100644
--- a/internal/rpc/manager/manager_grpc.pb.go
+++ b/internal/rpc/manager/manager_grpc.pb.go
@@ -4,7 +4,6 @@ package manager
 
 import (
 	context "context"
-
 	grpc "google.golang.org/grpc"
 	codes "google.golang.org/grpc/codes"
 	status "google.golang.org/grpc/status"
@@ -185,5 +184,5 @@ var _Manager_serviceDesc = grpc.ServiceDesc{
 		},
 	},
 	Streams:  []grpc.StreamDesc{},
-	Metadata: "pkg/rpc/manager/manager.proto",
+	Metadata: "internal/rpc/manager/manager.proto",
 }
diff --git a/internal/rpc/scheduler/scheduler.pb.go b/internal/rpc/scheduler/scheduler.pb.go
index a7356581d..bbf1e6141 100644
--- a/internal/rpc/scheduler/scheduler.pb.go
+++ b/internal/rpc/scheduler/scheduler.pb.go
@@ -17,19 +17,18 @@
 // versions:
 // 	protoc-gen-go v1.25.0
 // 	protoc        v3.15.8
-// source: pkg/rpc/scheduler/scheduler.proto
+// source: internal/rpc/scheduler/scheduler.proto
 
 package scheduler
 
 import (
-	reflect "reflect"
-	sync "sync"
-
 	base "d7y.io/dragonfly/v2/internal/rpc/base"
 	proto "github.com/golang/protobuf/proto"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	emptypb "google.golang.org/protobuf/types/known/emptypb"
+	reflect "reflect"
+	sync "sync"
 )
 
 const (
@@ -56,7 +55,7 @@ type PeerTaskRequest struct {
 	// biz id is used to generate different task ids for same url
 	BizId string `protobuf:"bytes,3,opt,name=biz_id,json=bizId,proto3" json:"biz_id,omitempty"`
 	// url meta info
-	UrlMeta *base.UrlMeta `protobuf:"bytes,4,opt,name=url_mata,json=urlMata,proto3" json:"url_mata,omitempty"`
+	UrlMeta *base.UrlMeta `protobuf:"bytes,4,opt,name=url_meta,json=urlMeta,proto3" json:"url_meta,omitempty"`
 	// peer's id and must be global uniqueness
 	PeerId string `protobuf:"bytes,5,opt,name=peer_id,json=peerId,proto3" json:"peer_id,omitempty"`
 	// peer host info
@@ -70,7 +69,7 @@ type PeerTaskRequest struct {
 func (x *PeerTaskRequest) Reset() {
 	*x = PeerTaskRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_rpc_scheduler_scheduler_proto_msgTypes[0]
+		mi := &file_internal_rpc_scheduler_scheduler_proto_msgTypes[0]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -83,7 +82,7 @@ func (x *PeerTaskRequest) String() string {
 func (*PeerTaskRequest) ProtoMessage() {}
 
 func (x *PeerTaskRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_rpc_scheduler_scheduler_proto_msgTypes[0]
+	mi := &file_internal_rpc_scheduler_scheduler_proto_msgTypes[0]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -96,7 +95,7 @@ func (x *PeerTaskRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use PeerTaskRequest.ProtoReflect.Descriptor instead.
 func (*PeerTaskRequest) Descriptor() ([]byte, []int) {
-	return file_pkg_rpc_scheduler_scheduler_proto_rawDescGZIP(), []int{0}
+	return file_internal_rpc_scheduler_scheduler_proto_rawDescGZIP(), []int{0}
 }
 
 func (x *PeerTaskRequest) GetUrl() string {
@@ -120,7 +119,7 @@ func (x *PeerTaskRequest) GetBizId() string {
 	return ""
 }
 
-func (x *PeerTaskRequest) GetUrlMata() *base.UrlMeta {
+func (x *PeerTaskRequest) GetUrlMeta() *base.UrlMeta {
 	if x != nil {
 		return x.UrlMeta
 	}
@@ -175,7 +174,7 @@ type RegisterResult struct {
 func (x *RegisterResult) Reset() {
 	*x = RegisterResult{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_rpc_scheduler_scheduler_proto_msgTypes[1]
+		mi := &file_internal_rpc_scheduler_scheduler_proto_msgTypes[1]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -188,7 +187,7 @@ func (x *RegisterResult) String() string {
 func (*RegisterResult) ProtoMessage() {}
 
 func (x *RegisterResult) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_rpc_scheduler_scheduler_proto_msgTypes[1]
+	mi := &file_internal_rpc_scheduler_scheduler_proto_msgTypes[1]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -201,7 +200,7 @@ func (x *RegisterResult) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use RegisterResult.ProtoReflect.Descriptor instead.
 func (*RegisterResult) Descriptor() ([]byte, []int) {
-	return file_pkg_rpc_scheduler_scheduler_proto_rawDescGZIP(), []int{1}
+	return file_internal_rpc_scheduler_scheduler_proto_rawDescGZIP(), []int{1}
 }
 
 func (x *RegisterResult) GetTaskId() string {
@@ -273,7 +272,7 @@ type SinglePiece struct {
 func (x *SinglePiece) Reset() {
 	*x = SinglePiece{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_rpc_scheduler_scheduler_proto_msgTypes[2]
+		mi := &file_internal_rpc_scheduler_scheduler_proto_msgTypes[2]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -286,7 +285,7 @@ func (x *SinglePiece) String() string {
 func (*SinglePiece) ProtoMessage() {}
 
 func (x *SinglePiece) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_rpc_scheduler_scheduler_proto_msgTypes[2]
+	mi := &file_internal_rpc_scheduler_scheduler_proto_msgTypes[2]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -299,7 +298,7 @@ func (x *SinglePiece) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use SinglePiece.ProtoReflect.Descriptor instead.
 func (*SinglePiece) Descriptor() ([]byte, []int) {
-	return file_pkg_rpc_scheduler_scheduler_proto_rawDescGZIP(), []int{2}
+	return file_internal_rpc_scheduler_scheduler_proto_rawDescGZIP(), []int{2}
 }
 
 func (x *SinglePiece) GetDstPid() string {
@@ -351,7 +350,7 @@ type PeerHost struct {
 func (x *PeerHost) Reset() {
 	*x = PeerHost{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_rpc_scheduler_scheduler_proto_msgTypes[3]
+		mi := &file_internal_rpc_scheduler_scheduler_proto_msgTypes[3]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -364,7 +363,7 @@ func (x *PeerHost) String() string {
 func (*PeerHost) ProtoMessage() {}
 
 func (x *PeerHost) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_rpc_scheduler_scheduler_proto_msgTypes[3]
+	mi := &file_internal_rpc_scheduler_scheduler_proto_msgTypes[3]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -377,7 +376,7 @@ func (x *PeerHost) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use PeerHost.ProtoReflect.Descriptor instead.
 func (*PeerHost) Descriptor() ([]byte, []int) {
-	return file_pkg_rpc_scheduler_scheduler_proto_rawDescGZIP(), []int{3}
+	return file_internal_rpc_scheduler_scheduler_proto_rawDescGZIP(), []int{3}
 }
 
 func (x *PeerHost) GetUuid() string {
@@ -473,7 +472,7 @@ type PieceResult struct {
 func (x *PieceResult) Reset() {
 	*x = PieceResult{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_rpc_scheduler_scheduler_proto_msgTypes[4]
+		mi := &file_internal_rpc_scheduler_scheduler_proto_msgTypes[4]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -486,7 +485,7 @@ func (x *PieceResult) String() string {
 func (*PieceResult) ProtoMessage() {}
 
 func (x *PieceResult) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_rpc_scheduler_scheduler_proto_msgTypes[4]
+	mi := &file_internal_rpc_scheduler_scheduler_proto_msgTypes[4]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -499,7 +498,7 @@ func (x *PieceResult) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use PieceResult.ProtoReflect.Descriptor instead.
 func (*PieceResult) Descriptor() ([]byte, []int) {
-	return file_pkg_rpc_scheduler_scheduler_proto_rawDescGZIP(), []int{4}
+	return file_internal_rpc_scheduler_scheduler_proto_rawDescGZIP(), []int{4}
 }
 
 func (x *PieceResult) GetTaskId() string {
@@ -591,7 +590,7 @@ type PeerPacket struct {
 func (x *PeerPacket) Reset() {
 	*x = PeerPacket{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_rpc_scheduler_scheduler_proto_msgTypes[5]
+		mi := &file_internal_rpc_scheduler_scheduler_proto_msgTypes[5]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -604,7 +603,7 @@ func (x *PeerPacket) String() string {
 func (*PeerPacket) ProtoMessage() {}
 
 func (x *PeerPacket) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_rpc_scheduler_scheduler_proto_msgTypes[5]
+	mi := &file_internal_rpc_scheduler_scheduler_proto_msgTypes[5]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -617,7 +616,7 @@ func (x *PeerPacket) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use PeerPacket.ProtoReflect.Descriptor instead.
 func (*PeerPacket) Descriptor() ([]byte, []int) {
-	return file_pkg_rpc_scheduler_scheduler_proto_rawDescGZIP(), []int{5}
+	return file_internal_rpc_scheduler_scheduler_proto_rawDescGZIP(), []int{5}
 }
 
 func (x *PeerPacket) GetTaskId() string {
@@ -688,7 +687,7 @@ type PeerResult struct {
 func (x *PeerResult) Reset() {
 	*x = PeerResult{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_rpc_scheduler_scheduler_proto_msgTypes[6]
+		mi := &file_internal_rpc_scheduler_scheduler_proto_msgTypes[6]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -701,7 +700,7 @@ func (x *PeerResult) String() string {
 func (*PeerResult) ProtoMessage() {}
 
 func (x *PeerResult) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_rpc_scheduler_scheduler_proto_msgTypes[6]
+	mi := &file_internal_rpc_scheduler_scheduler_proto_msgTypes[6]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -714,7 +713,7 @@ func (x *PeerResult) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use PeerResult.ProtoReflect.Descriptor instead.
 func (*PeerResult) Descriptor() ([]byte, []int) {
-	return file_pkg_rpc_scheduler_scheduler_proto_rawDescGZIP(), []int{6}
+	return file_internal_rpc_scheduler_scheduler_proto_rawDescGZIP(), []int{6}
 }
 
 func (x *PeerResult) GetTaskId() string {
@@ -806,7 +805,7 @@ type PeerTarget struct {
 func (x *PeerTarget) Reset() {
 	*x = PeerTarget{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_rpc_scheduler_scheduler_proto_msgTypes[7]
+		mi := &file_internal_rpc_scheduler_scheduler_proto_msgTypes[7]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -819,7 +818,7 @@ func (x *PeerTarget) String() string {
 func (*PeerTarget) ProtoMessage() {}
 
 func (x *PeerTarget) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_rpc_scheduler_scheduler_proto_msgTypes[7]
+	mi := &file_internal_rpc_scheduler_scheduler_proto_msgTypes[7]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -832,7 +831,7 @@ func (x *PeerTarget) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use PeerTarget.ProtoReflect.Descriptor instead.
 func (*PeerTarget) Descriptor() ([]byte, []int) {
-	return file_pkg_rpc_scheduler_scheduler_proto_rawDescGZIP(), []int{7}
+	return file_internal_rpc_scheduler_scheduler_proto_rawDescGZIP(), []int{7}
 }
 
 func (x *PeerTarget) GetTaskId() string {
@@ -865,7 +864,7 @@ type PeerPacket_DestPeer struct {
 func (x *PeerPacket_DestPeer) Reset() {
 	*x = PeerPacket_DestPeer{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_rpc_scheduler_scheduler_proto_msgTypes[8]
+		mi := &file_internal_rpc_scheduler_scheduler_proto_msgTypes[8]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -878,7 +877,7 @@ func (x *PeerPacket_DestPeer) String() string {
 func (*PeerPacket_DestPeer) ProtoMessage() {}
 
 func (x *PeerPacket_DestPeer) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_rpc_scheduler_scheduler_proto_msgTypes[8]
+	mi := &file_internal_rpc_scheduler_scheduler_proto_msgTypes[8]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -891,7 +890,7 @@ func (x *PeerPacket_DestPeer) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use PeerPacket_DestPeer.ProtoReflect.Descriptor instead.
 func (*PeerPacket_DestPeer) Descriptor() ([]byte, []int) {
-	return file_pkg_rpc_scheduler_scheduler_proto_rawDescGZIP(), []int{5, 0}
+	return file_internal_rpc_scheduler_scheduler_proto_rawDescGZIP(), []int{5, 0}
 }
 
 func (x *PeerPacket_DestPeer) GetIp() string {
@@ -915,171 +914,172 @@ func (x *PeerPacket_DestPeer) GetPeerId() string {
 	return ""
 }
 
-var File_pkg_rpc_scheduler_scheduler_proto protoreflect.FileDescriptor
+var File_internal_rpc_scheduler_scheduler_proto protoreflect.FileDescriptor
 
-var file_pkg_rpc_scheduler_scheduler_proto_rawDesc = []byte{
-	0x0a, 0x21, 0x70, 0x6b, 0x67, 0x2f, 0x72, 0x70, 0x63, 0x2f, 0x73, 0x63, 0x68, 0x65, 0x64, 0x75,
-	0x6c, 0x65, 0x72, 0x2f, 0x73, 0x63, 0x68, 0x65, 0x64, 0x75, 0x6c, 0x65, 0x72, 0x2e, 0x70, 0x72,
-	0x6f, 0x74, 0x6f, 0x12, 0x09, 0x73, 0x63, 0x68, 0x65, 0x64, 0x75, 0x6c, 0x65, 0x72, 0x1a, 0x17,
-	0x70, 0x6b, 0x67, 0x2f, 0x72, 0x70, 0x63, 0x2f, 0x62, 0x61, 0x73, 0x65, 0x2f, 0x62, 0x61, 0x73,
-	0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 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, 0x22, 0x97, 0x02, 0x0a, 0x0f, 0x50, 0x65, 0x65, 0x72, 0x54, 0x61, 0x73,
-	0x6b, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x10, 0x0a, 0x03, 0x75, 0x72, 0x6c, 0x18,
-	0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x03, 0x75, 0x72, 0x6c, 0x12, 0x16, 0x0a, 0x06, 0x66, 0x69,
-	0x6c, 0x74, 0x65, 0x72, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x66, 0x69, 0x6c, 0x74,
-	0x65, 0x72, 0x12, 0x15, 0x0a, 0x06, 0x62, 0x69, 0x7a, 0x5f, 0x69, 0x64, 0x18, 0x03, 0x20, 0x01,
-	0x28, 0x09, 0x52, 0x05, 0x62, 0x69, 0x7a, 0x49, 0x64, 0x12, 0x28, 0x0a, 0x08, 0x75, 0x72, 0x6c,
-	0x5f, 0x6d, 0x61, 0x74, 0x61, 0x18, 0x04, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x0d, 0x2e, 0x62, 0x61,
-	0x73, 0x65, 0x2e, 0x55, 0x72, 0x6c, 0x4d, 0x65, 0x74, 0x61, 0x52, 0x07, 0x75, 0x72, 0x6c, 0x4d,
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+	0x6c, 0x65, 0x72, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
-	file_pkg_rpc_scheduler_scheduler_proto_rawDescOnce sync.Once
-	file_pkg_rpc_scheduler_scheduler_proto_rawDescData = file_pkg_rpc_scheduler_scheduler_proto_rawDesc
+	file_internal_rpc_scheduler_scheduler_proto_rawDescOnce sync.Once
+	file_internal_rpc_scheduler_scheduler_proto_rawDescData = file_internal_rpc_scheduler_scheduler_proto_rawDesc
 )
 
-func file_pkg_rpc_scheduler_scheduler_proto_rawDescGZIP() []byte {
-	file_pkg_rpc_scheduler_scheduler_proto_rawDescOnce.Do(func() {
-		file_pkg_rpc_scheduler_scheduler_proto_rawDescData = protoimpl.X.CompressGZIP(file_pkg_rpc_scheduler_scheduler_proto_rawDescData)
+func file_internal_rpc_scheduler_scheduler_proto_rawDescGZIP() []byte {
+	file_internal_rpc_scheduler_scheduler_proto_rawDescOnce.Do(func() {
+		file_internal_rpc_scheduler_scheduler_proto_rawDescData = protoimpl.X.CompressGZIP(file_internal_rpc_scheduler_scheduler_proto_rawDescData)
 	})
-	return file_pkg_rpc_scheduler_scheduler_proto_rawDescData
+	return file_internal_rpc_scheduler_scheduler_proto_rawDescData
 }
 
-var file_pkg_rpc_scheduler_scheduler_proto_msgTypes = make([]protoimpl.MessageInfo, 9)
-var file_pkg_rpc_scheduler_scheduler_proto_goTypes = []interface{}{
+var file_internal_rpc_scheduler_scheduler_proto_msgTypes = make([]protoimpl.MessageInfo, 9)
+var file_internal_rpc_scheduler_scheduler_proto_goTypes = []interface{}{
 	(*PeerTaskRequest)(nil),     // 0: scheduler.PeerTaskRequest
 	(*RegisterResult)(nil),      // 1: scheduler.RegisterResult
 	(*SinglePiece)(nil),         // 2: scheduler.SinglePiece
@@ -1096,8 +1096,8 @@ var file_pkg_rpc_scheduler_scheduler_proto_goTypes = []interface{}{
 	(base.Code)(0),              // 13: base.Code
 	(*emptypb.Empty)(nil),       // 14: google.protobuf.Empty
 }
-var file_pkg_rpc_scheduler_scheduler_proto_depIdxs = []int32{
-	9,  // 0: scheduler.PeerTaskRequest.url_mata:type_name -> base.UrlMeta
+var file_internal_rpc_scheduler_scheduler_proto_depIdxs = []int32{
+	9,  // 0: scheduler.PeerTaskRequest.url_meta:type_name -> base.UrlMeta
 	3,  // 1: scheduler.PeerTaskRequest.peer_host:type_name -> scheduler.PeerHost
 	10, // 2: scheduler.PeerTaskRequest.host_load:type_name -> base.HostLoad
 	11, // 3: scheduler.RegisterResult.size_scope:type_name -> base.SizeScope
@@ -1124,13 +1124,13 @@ var file_pkg_rpc_scheduler_scheduler_proto_depIdxs = []int32{
 	0,  // [0:12] is the sub-list for field type_name
 }
 
-func init() { file_pkg_rpc_scheduler_scheduler_proto_init() }
-func file_pkg_rpc_scheduler_scheduler_proto_init() {
-	if File_pkg_rpc_scheduler_scheduler_proto != nil {
+func init() { file_internal_rpc_scheduler_scheduler_proto_init() }
+func file_internal_rpc_scheduler_scheduler_proto_init() {
+	if File_internal_rpc_scheduler_scheduler_proto != nil {
 		return
 	}
 	if !protoimpl.UnsafeEnabled {
-		file_pkg_rpc_scheduler_scheduler_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+		file_internal_rpc_scheduler_scheduler_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*PeerTaskRequest); i {
 			case 0:
 				return &v.state
@@ -1142,7 +1142,7 @@ func file_pkg_rpc_scheduler_scheduler_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_rpc_scheduler_scheduler_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+		file_internal_rpc_scheduler_scheduler_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*RegisterResult); i {
 			case 0:
 				return &v.state
@@ -1154,7 +1154,7 @@ func file_pkg_rpc_scheduler_scheduler_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_rpc_scheduler_scheduler_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+		file_internal_rpc_scheduler_scheduler_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*SinglePiece); i {
 			case 0:
 				return &v.state
@@ -1166,7 +1166,7 @@ func file_pkg_rpc_scheduler_scheduler_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_rpc_scheduler_scheduler_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+		file_internal_rpc_scheduler_scheduler_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*PeerHost); i {
 			case 0:
 				return &v.state
@@ -1178,7 +1178,7 @@ func file_pkg_rpc_scheduler_scheduler_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_rpc_scheduler_scheduler_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+		file_internal_rpc_scheduler_scheduler_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*PieceResult); i {
 			case 0:
 				return &v.state
@@ -1190,7 +1190,7 @@ func file_pkg_rpc_scheduler_scheduler_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_rpc_scheduler_scheduler_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
+		file_internal_rpc_scheduler_scheduler_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*PeerPacket); i {
 			case 0:
 				return &v.state
@@ -1202,7 +1202,7 @@ func file_pkg_rpc_scheduler_scheduler_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_rpc_scheduler_scheduler_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
+		file_internal_rpc_scheduler_scheduler_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*PeerResult); i {
 			case 0:
 				return &v.state
@@ -1214,7 +1214,7 @@ func file_pkg_rpc_scheduler_scheduler_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_rpc_scheduler_scheduler_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
+		file_internal_rpc_scheduler_scheduler_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*PeerTarget); i {
 			case 0:
 				return &v.state
@@ -1226,7 +1226,7 @@ func file_pkg_rpc_scheduler_scheduler_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_rpc_scheduler_scheduler_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
+		file_internal_rpc_scheduler_scheduler_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*PeerPacket_DestPeer); i {
 			case 0:
 				return &v.state
@@ -1239,7 +1239,7 @@ func file_pkg_rpc_scheduler_scheduler_proto_init() {
 			}
 		}
 	}
-	file_pkg_rpc_scheduler_scheduler_proto_msgTypes[1].OneofWrappers = []interface{}{
+	file_internal_rpc_scheduler_scheduler_proto_msgTypes[1].OneofWrappers = []interface{}{
 		(*RegisterResult_SinglePiece)(nil),
 		(*RegisterResult_PieceContent)(nil),
 	}
@@ -1247,18 +1247,18 @@ func file_pkg_rpc_scheduler_scheduler_proto_init() {
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_pkg_rpc_scheduler_scheduler_proto_rawDesc,
+			RawDescriptor: file_internal_rpc_scheduler_scheduler_proto_rawDesc,
 			NumEnums:      0,
 			NumMessages:   9,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
-		GoTypes:           file_pkg_rpc_scheduler_scheduler_proto_goTypes,
-		DependencyIndexes: file_pkg_rpc_scheduler_scheduler_proto_depIdxs,
-		MessageInfos:      file_pkg_rpc_scheduler_scheduler_proto_msgTypes,
+		GoTypes:           file_internal_rpc_scheduler_scheduler_proto_goTypes,
+		DependencyIndexes: file_internal_rpc_scheduler_scheduler_proto_depIdxs,
+		MessageInfos:      file_internal_rpc_scheduler_scheduler_proto_msgTypes,
 	}.Build()
-	File_pkg_rpc_scheduler_scheduler_proto = out.File
-	file_pkg_rpc_scheduler_scheduler_proto_rawDesc = nil
-	file_pkg_rpc_scheduler_scheduler_proto_goTypes = nil
-	file_pkg_rpc_scheduler_scheduler_proto_depIdxs = nil
+	File_internal_rpc_scheduler_scheduler_proto = out.File
+	file_internal_rpc_scheduler_scheduler_proto_rawDesc = nil
+	file_internal_rpc_scheduler_scheduler_proto_goTypes = nil
+	file_internal_rpc_scheduler_scheduler_proto_depIdxs = nil
 }
diff --git a/internal/rpc/scheduler/scheduler_grpc.pb.go b/internal/rpc/scheduler/scheduler_grpc.pb.go
index fbaea5045..86d02f8c9 100644
--- a/internal/rpc/scheduler/scheduler_grpc.pb.go
+++ b/internal/rpc/scheduler/scheduler_grpc.pb.go
@@ -4,7 +4,6 @@ package scheduler
 
 import (
 	context "context"
-
 	grpc "google.golang.org/grpc"
 	codes "google.golang.org/grpc/codes"
 	status "google.golang.org/grpc/status"
@@ -248,5 +247,5 @@ var _Scheduler_serviceDesc = grpc.ServiceDesc{
 			ClientStreams: true,
 		},
 	},
-	Metadata: "pkg/rpc/scheduler/scheduler.proto",
+	Metadata: "internal/rpc/scheduler/scheduler.proto",
 }