Merge pull request #384 from nacos-group/develop

Optimize some codes
Merge pull request #383 from paderlol/develop
2024-11-30 15:23:35 +08:00 · 2024-11-30 15:22:07 +08:00 · 2024-11-30 15:20:40 +08:00 · 2024-10-29 10:55:13 +08:00 · 2024-10-29 10:53:56 +08:00 · 2024-10-29 10:52:01 +08:00
114 changed files with 4251 additions and 2044 deletions
--- a/.gitignore
+++ b/.gitignore
@ -11,3 +11,4 @@ target
 node_modules
 test/derby.log
 /console-fe
+.flattened-pom.xml
--- a/README.md
+++ b/README.md
@ -1,9 +1,11 @@
 # Nacos Sync

+## [Example](https://github.com/paderlol/nacos-sync-example)
+
 ## Function

 - Console: provide API and console for management
- - Worker: provider the service registration synchronization. 
+ - Worker: provide the service registration synchronization. 

 ## Architecture

@ -42,15 +44,9 @@ Info |      +------------+                   ^
     - NacosCluster target will dedup the synchronization information from Nacos.
     

-
-
-
-
-
-
 ## Quick Start:
- - Swagger API: http://127.0.0.1:8081/swagger-ui.html#/
- - Web Console: http://127.0.0.1:8081/
+ - Swagger API: http://127.0.0.1:8083/swagger-ui.html#/
+ - Web Console: http://127.0.0.1:8083/
 - Others: TBD

 # NacosSync Migration User Guide
@ -82,7 +78,7 @@ Before you begin, install the following:

 - 64bit OS: Linux/Unix/Mac/Windows supported, Linux/Unix/Mac recommended.
 - 64bit JDK 1.8+: downloads, JAVA_HOME settings.
- Maven 3.2.x+: downloads, settings.
+- Maven 3.5.2+: [downloads](https://maven.apache.org/download.cgi), [settings](https://maven.apache.org/settings.html).
 - MySql 5.6.+

 ## Download & Build From Release
@ -94,7 +90,7 @@ There are two ways to get NacosSync.

 ``` xml

-cd nacosSync/
+cd nacos-sync/
 mvn clean package -U

 ```
@ -103,7 +99,7 @@ The path to the target file:

 ``` xml

-nacos-sync/nacossync-distribution/target/nacosSync.0.3.8.zip
+nacos-sync/nacossync-distribution/target/nacos-sync-0.5.0.tar.gz

 ```

@ -111,7 +107,7 @@ After extracting the installation package, the directory structure:

 ``` xml

-nacosSync
+nacos-sync
 ├── LICENSE
 ├── NOTICE
 ├── bin
@ -122,7 +118,7 @@ nacosSync
 │   ├── application.properties
 │   └── logback-spring.xml
 ├── logs
-└── nacosSync-server.jar
+└── nacos-sync-server.jar

 ```

@ -130,7 +126,7 @@ nacosSync

 The default is Mysql database, which can support other relational databases

- Build db schema, the default schema name nacos_Sync.
+- Build db schema, the default schema name nacos_sync.
 - Tables do not need to be created separately, which is conducive to hibernate's automatic table creation function.
 - If the automatic table creation fails, you can build the table nacosSync.sql, the table statement is in the bin folder.

@ -159,15 +155,18 @@ sh startup.sh  start

 ``` xml

-http://127.0.0.1:8081/#/serviceSync
+http://127.0.0.1:8083/#/serviceSync

 ```

+## Advanced Configuration

+### Full Synchronization from Zookeeper to Nacos (Dubbo)
+When “*” is entered in the “Service Name” field of this form, it will fully synchronize all services from Zookeeper to Nacos, but only when using Dubbo.
+![img_1.png](img_1.png)

+### Full Synchronization from Nacos to Nacos
+When “All” is entered in the “Service Name” field of this form, it will automatically synchronize all registered services within the **default group** of the current cluster.

-
-
-
-
-
+This description explains the functionality clearly for English-speaking users.
+![img_2.png](img_2.png)
--- a/img_1.png
+++ b/img_1.png
--- a/img_2.png
+++ b/img_2.png
--- a/nacossync-console/pom.xml
+++ b/nacossync-console/pom.xml
@ -16,7 +16,7 @@
    <parent>
        <artifactId>nacossync-parent</artifactId>
        <groupId>com.alibaba.nacossync</groupId>
-        <version>0.4.4</version>
+        <version>${revision}</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

@ -27,5 +27,4 @@
            <artifactId>junit</artifactId>
        </dependency>
    </dependencies>
-
-</project>
+</project>
--- a/nacossync-console/src/main/resources/static/console-fe/dist/css/main.68bce23a.css
+++ b/nacossync-console/src/main/resources/static/console-fe/dist/css/main.68bce23a.css
--- a/nacossync-console/src/main/resources/static/console-fe/dist/index.html
+++ b/nacossync-console/src/main/resources/static/console-fe/dist/index.html
@ -7,8 +7,8 @@
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Nacos-Sync</title>
    <link rel="shortcut icon" href="//www.aliyun.com/favicon.ico" type="image/x-icon">
-<link href="./css/main.68bce23a.css" rel="stylesheet"></head>
+<link href="./css/main.e2917886.css" rel="stylesheet"></head>
 <body>
 <div id="root"></div>
-<script type="text/javascript" src="./js/main.1cd0c600.js"></script></body>
+<script type="text/javascript" src="./js/main.b73436b5.js"></script></body>
 </html>
--- a/nacossync-console/src/main/resources/static/console-fe/dist/js/main.1cd0c600.js
+++ b/nacossync-console/src/main/resources/static/console-fe/dist/js/main.1cd0c600.js
--- a/nacossync-console/src/main/resources/static/console-fe/src/containers/ClusterConfig/AddConfigDialog.js
+++ b/nacossync-console/src/main/resources/static/console-fe/src/containers/ClusterConfig/AddConfigDialog.js
@ -18,6 +18,9 @@ class AddConfigDialog extends React.Component {
        visible: false,
        clusterName: '',
        clusterType: '',
+        namespace: '',
+        password: '',
+        userName: '',
        connectKeyList: [],
      };
    }
@ -27,8 +30,8 @@ class AddConfigDialog extends React.Component {
    }

    save() {
-      const { clusterName, clusterType, connectKeyList } = this.state;
-      add({ clusterName, clusterType, connectKeyList })
+      const { clusterName, namespace, userName, password, clusterType, connectKeyList } = this.state;
+      add({ clusterName, namespace, userName, password, clusterType, connectKeyList })
        .then(() => {
          this.props.turnPage(1);
          this.close();
@ -37,7 +40,10 @@ class AddConfigDialog extends React.Component {
    }

    close() {
-      this.setState({ visible: false });
+      this.setState({
+        visible: false,
+        clusterType: '',
+      });
    }

    open = () => this.setState({ visible: true })
@ -71,6 +77,35 @@ class AddConfigDialog extends React.Component {
                            }
              </Select>
            </FormItem>
+            {
+              this.state.clusterType === 'NACOS' && (
+              <>
+                <FormItem
+                  label={`${locale.namespace}:`}
+                >
+                  <Input
+                    placeholder={locale.namespacePlaceholder}
+                    onChange={ns => this.setState({ namespace: ns })}
+                  />
+                </FormItem>
+                <FormItem
+                  label={`${locale.username}:`}
+                >
+                  <Input
+                    placeholder={locale.usernamePlaceholder}
+                    onChange={un => this.setState({ userName: un })}
+                  />
+                </FormItem>
+                <FormItem
+                  label={`${locale.password}:`}
+                >
+                  <Input.Password
+                    placeholder={locale.passwordPlaceholder}
+                    onChange={pw => this.setState({ password: pw })}
+                  />
+                </FormItem>
+              </>)
+            }
            <FormItem label={`${locale.connectKeyList}:`}>
              <Input.TextArea
                onChange={(connectKeyListStr) => {
--- a/nacossync-console/src/main/resources/static/console-fe/src/containers/ClusterConfig/ClusterConfig.js
+++ b/nacossync-console/src/main/resources/static/console-fe/src/containers/ClusterConfig/ClusterConfig.js
@ -98,6 +98,7 @@ class ClusterConfig extends React.Component {
          <Table.Column title={locale.clusterName} dataIndex="clusterName" />
          <Table.Column title={locale.clusterType} dataIndex="clusterType" />
          <Table.Column title={locale.connectKeyList} dataIndex="connectKeyList" />
+          <Table.Column title={locale.namespace} dataIndex="namespace" />
          <Table.Column
            title={locale.operation}
            cell={(value, index, record) => (
--- a/nacossync-console/src/main/resources/static/console-fe/src/containers/Layout/Layout.js
+++ b/nacossync-console/src/main/resources/static/console-fe/src/containers/Layout/Layout.js
@ -13,7 +13,7 @@ class Layout extends React.Component {
        <Header />
        <Row className="layout">
          <Col fixedSpan="9" className="nav-bar">
-            <h1 className="title">Nacos-Sync 3.0</h1>
+            <h1 className="title">Nacos-Sync 0.4.8</h1>
            <Menu />
          </Col>
          <Col className="main-panel">{this.props.children}</Col>
--- a/nacossync-console/src/main/resources/static/console-fe/src/locales/en-US.js
+++ b/nacossync-console/src/main/resources/static/console-fe/src/locales/en-US.js
@ -19,6 +19,9 @@ const I18N_CONF = {
    clusterNamePlaceholder: 'Please enter the cluster name',
    clusterType: 'Cluster Type',
    connectKeyList: 'Connect Key List',
+    namespace: 'Namespace',
+    password: 'Password',
+    username: 'Username',
    operation: 'Operation',
    deleteBtn: 'Delete',
    confirm: 'Prompt',
@ -29,6 +32,8 @@ const I18N_CONF = {
    title: 'New Cluster',
    clusterName: 'Cluster Name',
    clusterNamePlaceholder: 'Please enter the cluster name',
+    namespace: 'Namespace',
+    namespacePlaceholder: 'Please enter the namespace',
    clusterType: 'Cluster Type',
    connectKeyList: 'Connect IP',
    connectKeyListPlaceholder: 'Please enter the ip',
--- a/nacossync-console/src/main/resources/static/console-fe/src/locales/zh-CN.js
+++ b/nacossync-console/src/main/resources/static/console-fe/src/locales/zh-CN.js
@ -19,6 +19,7 @@ const I18N_CONF = {
    clusterNamePlaceholder: '请输入集群名',
    clusterType: '集群类型',
    connectKeyList: '集群IP列表',
+    namespace: '命名空间',
    operation: '操作',
    deleteBtn: '删除',
    confirm: '提示',
@ -29,6 +30,12 @@ const I18N_CONF = {
    title: '新增集群',
    clusterName: '集群名',
    clusterNamePlaceholder: '请输入集群名',
+    namespace: '命名空间',
+    namespacePlaceholder: '请输入命名空间',
+    password: '密码',
+    passwordPlaceholder: '请输入密码',
+    username: '用户名',
+    usernamePlaceholder: '请输入用户名',
    clusterType: '集群类型',
    connectKeyList: '集群IP列表',
    connectKeyListPlaceholder: '请输入集群IP',
--- a/nacossync-console/src/main/resources/static/css/main.68bce23a.css
+++ b/nacossync-console/src/main/resources/static/css/main.68bce23a.css
--- a/nacossync-console/src/main/resources/static/index.html
+++ b/nacossync-console/src/main/resources/static/index.html
@ -7,8 +7,8 @@
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Nacos-Sync</title>
    <link rel="shortcut icon" href="//www.aliyun.com/favicon.ico" type="image/x-icon">
-<link href="./css/main.68bce23a.css" rel="stylesheet"></head>
+<link href="./css/main.e2917886.css" rel="stylesheet"></head>
 <body>
 <div id="root"></div>
-<script type="text/javascript" src="./js/main.1cd0c600.js"></script></body>
+<script type="text/javascript" src="./js/main.b73436b5.js"></script></body>
 </html>
--- a/nacossync-console/src/main/resources/static/js/main.1cd0c600.js
+++ b/nacossync-console/src/main/resources/static/js/main.1cd0c600.js
--- a/nacossync-distribution/bin/nacosSync.sql
+++ b/nacossync-distribution/bin/nacosSync.sql
@ -1,5 +1,5 @@
 /******************************************/
-/*   DB name = nacos_Sync   */
+/*   DB name = nacos_sync   */
 /*   Table name = cluster   */
 /******************************************/
 CREATE TABLE `cluster` (
@ -8,10 +8,14 @@ CREATE TABLE `cluster` (
  `cluster_name` varchar(255) COLLATE utf8mb4_bin DEFAULT NULL,
  `cluster_type` varchar(255) COLLATE utf8mb4_bin DEFAULT NULL,
  `connect_key_list` varchar(255) COLLATE utf8mb4_bin DEFAULT NULL,
+  `user_name` varchar(255) COLLATE utf8mb4_bin DEFAULT NULL,
+  `password` varchar(255) COLLATE utf8mb4_bin DEFAULT NULL,
+  `namespace` varchar(255) COLLATE utf8mb4_bin DEFAULT NULL,
+  `cluster_level` int default 0,
  PRIMARY KEY (`id`)
-) ENGINE=MyISAM AUTO_INCREMENT=5 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
+) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
 /******************************************/
-/*   DB name = nacos_Sync   */
+/*   DB name = nacos_sync   */
 /*   Table name = system_config   */
 /******************************************/
 CREATE TABLE `system_config` (
@ -20,9 +24,9 @@ CREATE TABLE `system_config` (
  `config_key` varchar(255) COLLATE utf8mb4_bin DEFAULT NULL,
  `config_value` varchar(255) COLLATE utf8mb4_bin DEFAULT NULL,
  PRIMARY KEY (`id`)
-) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
 /******************************************/
-/*   DB name = nacos_Sync   */
+/*   DB name = nacos_sync   */
 /*   Table name = task   */
 /******************************************/
 CREATE TABLE `task` (
@ -37,5 +41,6 @@ CREATE TABLE `task` (
  `task_status` varchar(255) COLLATE utf8mb4_bin DEFAULT NULL,
  `version` varchar(255) COLLATE utf8mb4_bin DEFAULT NULL,
  `worker_ip` varchar(255) COLLATE utf8mb4_bin DEFAULT NULL,
+  `status` int default null ,
  PRIMARY KEY (`id`)
-) ENGINE=MyISAM AUTO_INCREMENT=6 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
+) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
--- a/nacossync-distribution/bin/shutdown.sh
+++ b/nacossync-distribution/bin/shutdown.sh
@ -13,14 +13,14 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.

-pid=`ps ax | grep -i 'nacosSync' |grep java | grep -v grep | awk '{print $1}'`
+pid=`ps ax | grep -i 'nacos-sync' |grep java | grep -v grep | awk '{print $1}'`
 if [ -z "$pid" ] ; then
-        echo "No nacosSync running."
+        echo "no nacos-sync running."
        exit -1;
 fi

-echo "The nacosSync(${pid}) is running..."
+echo "the nacos-sync(${pid}) is running..."

 kill ${pid}

-echo "Send shutdown request to nacosSync(${pid}) OK"
+echo "Send shutdown request to nacos-sync(${pid}) OK"
--- a/nacossync-distribution/bin/startup.bat
+++ b/nacossync-distribution/bin/startup.bat
@ -0,0 +1 @@
+java -jar ../nacos-sync-server.jar -server -Xms2g -Xmx2g -Xmn1g -XX:MetaspaceSize=256m -XX:MaxMetaspaceSize=512m --spring.config.location=../conf/application.properties
--- a/nacossync-distribution/bin/startup.sh
+++ b/nacossync-distribution/bin/startup.sh
@ -47,24 +47,24 @@ export BASE_DIR=`cd $(dirname $0)/..; pwd`


 JAVA_OPT="${JAVA_OPT} -server -Xms2g -Xmx2g -Xmn1g -XX:MetaspaceSize=256m -XX:MaxMetaspaceSize=512m"
-JAVA_OPT="${JAVA_OPT} -XX:-OmitStackTraceInFastThrow -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=${BASE_DIR}/nacossync_java_heapdump.hprof"
+JAVA_OPT="${JAVA_OPT} -XX:-OmitStackTraceInFastThrow -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=${BASE_DIR}/nacos-sync-java-heapdump.hprof"
 JAVA_OPT="${JAVA_OPT} -XX:-UseLargePages"
 JAVA_OPT="${JAVA_OPT} -Dspring.config.location=${BASE_DIR}/conf/application.properties"
 JAVA_OPT="${JAVA_OPT} -DnacosSync.home=${BASE_DIR}"

 JAVA_MAJOR_VERSION=$($JAVA -version 2>&1 | sed -E -n 's/.* version "([0-9]*).*$/\1/p')
 if [[ "$JAVA_MAJOR_VERSION" -ge "9" ]] ; then
-  JAVA_OPT="${JAVA_OPT} -Xlog:gc*:file=${BASE_DIR}/logs/nacossync_gc.log:time,tags:filecount=10,filesize=102400"
+  JAVA_OPT="${JAVA_OPT} -Xlog:gc*:file=${BASE_DIR}/logs/nacos-sync-gc.log:time,tags:filecount=10,filesize=102400"
 else
-  JAVA_OPT="${JAVA_OPT} -Xloggc:${BASE_DIR}/logs/nacossync_gc.log -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCDateStamps -XX:+PrintGCTimeStamps -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=10 -XX:GCLogFileSize=100M"
+  JAVA_OPT="${JAVA_OPT} -Xloggc:${BASE_DIR}/logs/nacos-sync-gc.log -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCDateStamps -XX:+PrintGCTimeStamps -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=10 -XX:GCLogFileSize=100M"
 fi

-JAVA_OPT="${JAVA_OPT} -jar ${BASE_DIR}/nacosSync-server.jar"
+JAVA_OPT="${JAVA_OPT} -jar ${BASE_DIR}/nacos-sync-server.jar"
 JAVA_OPT="${JAVA_OPT} --logging.config=${BASE_DIR}/conf/logback-spring.xml"

-echo "=============JAVA_HOME:"$JAVA_HOME
-echo "=============BASE_DIR:"$BASE_DIR
-echo "=============JAVA:"$JAVA
+echo "JAVA_HOME:"$JAVA_HOME
+echo "BASE_DIR:"$BASE_DIR
+echo "JAVA:"$JAVA


 if [  ! -d "${BASE_DIR}/logs" ]; then
@ -78,9 +78,9 @@ usage(){

 start(){

-echo "$JAVA ${JAVA_OPT}" > ${BASE_DIR}/logs/nacossync_start.out 2>&1 &
-nohup $JAVA ${JAVA_OPT} >> ${BASE_DIR}/logs/nacossync_start.out 2>&1 &
-echo "nacossync is starting，you can check the ${BASE_DIR}/logs/nacossync_start.out"
+echo "$JAVA ${JAVA_OPT}" > ${BASE_DIR}/logs/nacos-sync-start.out 2>&1 &
+nohup $JAVA ${JAVA_OPT} >> ${BASE_DIR}/logs/nacos-sync-start.out 2>&1 &
+echo "nacos-sync is starting，you can check the ${BASE_DIR}/logs/nacos-sync-start.out"

 }

--- a/nacossync-distribution/pom.xml
+++ b/nacossync-distribution/pom.xml
@ -5,14 +5,14 @@
    <parent>
        <artifactId>nacossync-parent</artifactId>
        <groupId>com.alibaba.nacossync</groupId>
-        <version>0.4.4</version>
+        <version>${revision}</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>
    <packaging>pom</packaging>
    <artifactId>nacossync-distribution</artifactId>

    <build>
-        <finalName>nacosSync.${parent.version}</finalName>
+        <finalName>nacos-sync-${project.version}</finalName>
        <plugins>
            <plugin>
                <artifactId>maven-assembly-plugin</artifactId>
@ -35,4 +35,4 @@
            </plugin>
        </plugins>
    </build>
-</project>
+</project>
--- a/nacossync-distribution/release-nacossync.xml
+++ b/nacossync-distribution/release-nacossync.xml
@ -17,7 +17,7 @@
    <id>bin</id>
    <includeBaseDirectory>true</includeBaseDirectory>
    <!-- file name after unzip -->
-    <baseDirectory>nacosSync</baseDirectory>
+    <baseDirectory>nacos-sync</baseDirectory>
    <formats>
        <format>dir</format>
        <format>tar.gz</format>
@ -60,9 +60,9 @@
            <destName>NOTICE</destName>
        </file>
        <file>
-            <source>../nacossync-worker/target/nacosSync-server.${parent.version}.jar</source>
+            <source>../nacossync-worker/target/nacos-sync-server-${project.version}.jar</source>
            <outputDirectory></outputDirectory>
-            <destName>nacosSync-server.jar</destName>
+            <destName>nacos-sync-server.jar</destName>
        </file>
    </files>
 </assembly>
--- a/nacossync-test/pom.xml
+++ b/nacossync-test/pom.xml
@ -17,7 +17,7 @@
    <parent>
        <artifactId>nacossync-parent</artifactId>
        <groupId>com.alibaba.nacossync</groupId>
-        <version>0.4.4</version>
+        <version>${revision}</version>
        <relativePath>../pom.xml</relativePath>
    </parent>
    <modelVersion>4.0.0</modelVersion>
@ -25,27 +25,19 @@

    <artifactId>nacossync-test</artifactId>

-    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    </properties>
    <dependencies>
-
        <dependency>
            <groupId>io.projectreactor</groupId>
            <artifactId>reactor-core</artifactId>
-
        </dependency>
-
        <dependency>
-            <groupId>com.alibaba.nacossync</groupId>
+            <groupId>${project.groupId}</groupId>
            <artifactId>nacossync-worker</artifactId>
-            <version>0.4.4</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-test</artifactId>
        </dependency>
-
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
@ -57,10 +49,8 @@
        <dependency>
            <groupId>com.ning</groupId>
            <artifactId>async-http-client</artifactId>
-            <version>1.7.17</version>
            <scope>test</scope>
        </dependency>
-
    </dependencies>

    <build>
@ -68,7 +58,6 @@
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-surefire-plugin</artifactId>
-                <version>2.9</version>
                <configuration>
                    <parallel>methods</parallel>
                    <useUnlimitedThreads>true</useUnlimitedThreads>
@ -76,6 +65,4 @@
            </plugin>
        </plugins>
    </build>
-
-
-</project>
+</project>
--- a/nacossync-worker/pom.xml
+++ b/nacossync-worker/pom.xml
@ -16,29 +16,11 @@
    <parent>
        <artifactId>nacossync-parent</artifactId>
        <groupId>com.alibaba.nacossync</groupId>
-        <version>0.4.4</version>
+        <version>${revision}</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>
    <artifactId>nacossync-worker</artifactId>
-    <version>0.4.4</version>
-    <properties>
-        <zookeeper.version>3.4.9</zookeeper.version>
-        <curator.version>4.1.0</curator.version>
-        <cloud.version>Finchley.SR2</cloud.version>
-        <mockito.version>1.10.19</mockito.version>
-        <nacos.client.verison>1.3.1</nacos.client.verison>
-    </properties>
-    <dependencyManagement>
-        <dependencies>
-            <dependency>
-                <groupId>org.springframework.cloud</groupId>
-                <artifactId>spring-cloud-dependencies</artifactId>
-                <version>${cloud.version}</version>
-                <type>pom</type>
-                <scope>import</scope>
-            </dependency>
-        </dependencies>
-    </dependencyManagement>
+
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
@ -52,10 +34,6 @@
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-logging</artifactId>
-        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
@ -64,12 +42,12 @@
        <dependency>
            <groupId>org.mockito</groupId>
            <artifactId>mockito-all</artifactId>
-            <version>${mockito.version}</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
+            <scope>provided</scope>
        </dependency>
        <!-- 默认使用HikariCP连接池 -->
        <dependency>
@ -82,43 +60,36 @@
        </dependency>
        <!-- mysql -->
        <dependency>
-            <groupId>mysql</groupId>
-            <artifactId>mysql-connector-java</artifactId>
+            <groupId>com.mysql</groupId>
+            <artifactId>mysql-connector-j</artifactId>
        </dependency>
        <dependency>
-            <groupId>com.alibaba</groupId>
-            <artifactId>fastjson</artifactId>
-            <version>1.2.47</version>
-        </dependency>
-        <!-- swagger2 -->
-        <dependency>
-            <groupId>io.springfox</groupId>
-            <artifactId>springfox-swagger2</artifactId>
-            <version>2.6.1</version>
+            <groupId>org.springdoc</groupId>
+            <artifactId>springdoc-openapi-ui</artifactId>
        </dependency>
        <dependency>
-            <groupId>io.springfox</groupId>
-            <artifactId>springfox-swagger-ui</artifactId>
-            <version>2.6.1</version>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
        </dependency>
        <!--nacos-->
        <dependency>
            <groupId>com.alibaba.nacos</groupId>
            <artifactId>nacos-client</artifactId>
-            <version>${nacos.client.verison}</version>
        </dependency>
-
        <!--zookeeper-->
        <dependency>
            <groupId>org.apache.zookeeper</groupId>
            <artifactId>zookeeper</artifactId>
-            <version>${zookeeper.version}</version>
+            <exclusions>
+                <exclusion>
+                    <artifactId>slf4j-log4j12</artifactId>
+                    <groupId>org.slf4j</groupId>
+                </exclusion>
+            </exclusions>
        </dependency>
-
        <dependency>
            <groupId>org.apache.curator</groupId>
            <artifactId>curator-recipes</artifactId>
-            <version>${curator.version}</version>
            <exclusions>
                <exclusion>
                    <groupId>org.apache.zookeeper</groupId>
@ -126,22 +97,42 @@
                </exclusion>
            </exclusions>
        </dependency>
-
+        <dependency>
+            <groupId>org.apache.curator</groupId>
+            <artifactId>curator-framework</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.curator</groupId>
+            <artifactId>curator-client</artifactId>
+            <exclusions>
+                <exclusion>
+                    <artifactId>slf4j-api</artifactId>
+                    <groupId>org.slf4j</groupId>
+                </exclusion>
+            </exclusions>
+        </dependency>
        <!-- eureka -->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
        </dependency>
-
        <!-- consul -->
        <dependency>
            <groupId>com.ecwid.consul</groupId>
            <artifactId>consul-api</artifactId>
        </dependency>
-
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+        </dependency>
    </dependencies>
+
    <build>
-        <finalName>nacosSync-server.${parent.version}</finalName>
+        <finalName>nacos-sync-server-${project.version}</finalName>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
@ -170,6 +161,22 @@
                    </archive>
                </configuration>
            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>17</source>
+                    <target>17</target>
+                    <annotationProcessorPaths>
+                        <path>
+                            <groupId>org.projectlombok</groupId>
+                            <artifactId>lombok</artifactId>
+                            <version>1.18.34</version>
+                        </path>
+                    </annotationProcessorPaths>
+                </configuration>
+                
+            </plugin>
        </plugins>
    </build>
 </project>
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/NacosSyncMain.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/NacosSyncMain.java
@ -14,24 +14,32 @@
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
+
 package com.alibaba.nacossync;

+import com.alibaba.nacossync.util.BatchTaskExecutor;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
-
 import org.springframework.cloud.netflix.eureka.EurekaClientAutoConfiguration;
-import springfox.documentation.swagger2.annotations.EnableSwagger2;
+import org.springframework.context.ConfigurableApplicationContext;

 /**
 * @author NacosSync
 * @version $Id: SkyWalkerMain.java, v 0.1 2018-09-24 PM12:42 NacosSync Exp $$
 */
-@EnableSwagger2
@SpringBootApplication(exclude = EurekaClientAutoConfiguration.class)
 public class NacosSyncMain {
-
+    
    public static void main(String[] args) {
-
-        SpringApplication.run(NacosSyncMain.class, args);
+        
+        ConfigurableApplicationContext context = SpringApplication.run(NacosSyncMain.class, args);
+        
+        // Register shutdown callback using Spring Boot's context lifecycle
+        context.registerShutdownHook();
+        context.addApplicationListener(event -> {
+            if (event instanceof org.springframework.context.event.ContextClosedEvent) {
+                BatchTaskExecutor.shutdown();
+            }
+        });
    }
 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/api/ClusterApi.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/api/ClusterApi.java
@ -14,6 +14,7 @@
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
+
 package com.alibaba.nacossync.api;

 import com.alibaba.nacossync.constant.ClusterTypeEnum;
@ -44,57 +45,54 @@ import org.springframework.web.bind.annotation.RestController;
@Slf4j
@RestController
 public class ClusterApi {
-
+    
    private final ClusterAddProcessor clusterAddProcessor;
-
+    
    private final ClusterDeleteProcessor clusterDeleteProcessor;
-
+    
    private final ClusterDetailQueryProcessor clusterDetailQueryProcessor;
-
+    
    private final ClusterListQueryProcessor clusterListQueryProcessor;
-
-    public ClusterApi(
-        ClusterAddProcessor clusterAddProcessor, ClusterDeleteProcessor clusterDeleteProcessor,
-        ClusterDetailQueryProcessor clusterDetailQueryProcessor, ClusterListQueryProcessor clusterListQueryProcessor) {
+    
+    public ClusterApi(ClusterAddProcessor clusterAddProcessor, ClusterDeleteProcessor clusterDeleteProcessor,
+            ClusterDetailQueryProcessor clusterDetailQueryProcessor,
+            ClusterListQueryProcessor clusterListQueryProcessor) {
        this.clusterAddProcessor = clusterAddProcessor;
        this.clusterDeleteProcessor = clusterDeleteProcessor;
        this.clusterDetailQueryProcessor = clusterDetailQueryProcessor;
        this.clusterListQueryProcessor = clusterListQueryProcessor;
    }
-
+    
    @RequestMapping(path = "/v1/cluster/list", method = RequestMethod.GET)
    public ClusterListQueryResult clusters(ClusterListQueryRequest clusterListQueryRequest) {
-
-        return SkyWalkerTemplate.run(clusterListQueryProcessor, clusterListQueryRequest,
-                new ClusterListQueryResult());
+        
+        return SkyWalkerTemplate.run(clusterListQueryProcessor, clusterListQueryRequest, new ClusterListQueryResult());
    }
-
+    
    @RequestMapping(path = "/v1/cluster/detail", method = RequestMethod.GET)
    public ClusterDetailQueryResult getByTaskId(ClusterDetailQueryRequest clusterDetailQueryRequest) {
-
+        
        return SkyWalkerTemplate.run(clusterDetailQueryProcessor, clusterDetailQueryRequest,
                new ClusterDetailQueryResult());
    }
-
+    
    @RequestMapping(path = "/v1/cluster/delete", method = RequestMethod.DELETE)
    public ClusterDeleteResult deleteCluster(ClusterDeleteRequest clusterDeleteRequest) {
-
-        return SkyWalkerTemplate.run(clusterDeleteProcessor, clusterDeleteRequest,
-                new ClusterDeleteResult());
-
+        
+        return SkyWalkerTemplate.run(clusterDeleteProcessor, clusterDeleteRequest, new ClusterDeleteResult());
+        
    }
-
+    
    @RequestMapping(path = "/v1/cluster/add", method = RequestMethod.POST)
    public ClusterAddResult clusterAdd(@RequestBody ClusterAddRequest clusterAddRequest) {
-
-        return SkyWalkerTemplate
-                .run(clusterAddProcessor, clusterAddRequest, new ClusterAddResult());
+        
+        return SkyWalkerTemplate.run(clusterAddProcessor, clusterAddRequest, new ClusterAddResult());
    }
-
+    
    @RequestMapping(path = "/v1/cluster/types", method = RequestMethod.GET)
    public ClusterTypeResult getClusterType() {
-
+        
        return new ClusterTypeResult(ClusterTypeEnum.getClusterTypeCodes());
    }
-
+    
 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/api/SystemConfigApi.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/api/SystemConfigApi.java
@ -14,6 +14,7 @@
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
+
 package com.alibaba.nacossync.api;

 import lombok.extern.slf4j.Slf4j;
@ -42,34 +43,36 @@ import com.alibaba.nacossync.template.processor.ConfigQueryProcessor;
@Slf4j
@RestController
 public class SystemConfigApi {
-
-    @Autowired
-    private ConfigQueryProcessor configQueryProcessor;
-
-    @Autowired
-    private ConfigDeleteProcessor configDeleteProcessor;
-
-    @Autowired
-    private ConfigAddProcessor configAddProcessor;
-
+    
+    private final ConfigQueryProcessor configQueryProcessor;
+    
+    private final ConfigDeleteProcessor configDeleteProcessor;
+    
+    private final ConfigAddProcessor configAddProcessor;
+    
+    public SystemConfigApi(ConfigQueryProcessor configQueryProcessor, ConfigDeleteProcessor configDeleteProcessor,
+            ConfigAddProcessor configAddProcessor) {
+        this.configQueryProcessor = configQueryProcessor;
+        this.configDeleteProcessor = configDeleteProcessor;
+        this.configAddProcessor = configAddProcessor;
+    }
+    
    @RequestMapping(path = "/v1/systemconfig/list", method = RequestMethod.GET)
    public ConfigQueryResult tasks(ConfigQueryRequest configQueryRequest) {
-
-        return SkyWalkerTemplate.run(configQueryProcessor, configQueryRequest,
-                new ConfigQueryResult());
+        
+        return SkyWalkerTemplate.run(configQueryProcessor, configQueryRequest, new ConfigQueryResult());
    }
-
+    
    @RequestMapping(path = "/v1/systemconfig/delete", method = RequestMethod.DELETE)
    public ConfigDeleteResult deleteTask(@RequestBody ConfigDeleteRequest configDeleteRequest) {
-
-        return SkyWalkerTemplate.run(configDeleteProcessor, configDeleteRequest,
-                new ConfigDeleteResult());
+        
+        return SkyWalkerTemplate.run(configDeleteProcessor, configDeleteRequest, new ConfigDeleteResult());
    }
-
+    
    @RequestMapping(path = "/v1/systemconfig/add", method = RequestMethod.POST)
    public ConfigAddResult taskAdd(@RequestBody ConfigAddRequest configAddRequest) {
-
+        
        return SkyWalkerTemplate.run(configAddProcessor, configAddRequest, new ConfigAddResult());
    }
-
+    
 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/api/TaskApi.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/api/TaskApi.java
@ -10,8 +10,10 @@
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 */
+
 package com.alibaba.nacossync.api;

+import com.alibaba.nacossync.pojo.request.TaskAddAllRequest;
 import com.alibaba.nacossync.pojo.request.TaskAddRequest;
 import com.alibaba.nacossync.pojo.request.TaskDeleteInBatchRequest;
 import com.alibaba.nacossync.pojo.request.TaskDeleteRequest;
@ -23,6 +25,7 @@ import com.alibaba.nacossync.pojo.result.TaskAddResult;
 import com.alibaba.nacossync.pojo.result.TaskDetailQueryResult;
 import com.alibaba.nacossync.pojo.result.TaskListQueryResult;
 import com.alibaba.nacossync.template.SkyWalkerTemplate;
+import com.alibaba.nacossync.template.processor.TaskAddAllProcessor;
 import com.alibaba.nacossync.template.processor.TaskAddProcessor;
 import com.alibaba.nacossync.template.processor.TaskDeleteInBatchProcessor;
 import com.alibaba.nacossync.template.processor.TaskDeleteProcessor;
@ -42,67 +45,83 @@ import org.springframework.web.bind.annotation.RestController;
@Slf4j
@RestController
 public class TaskApi {
-
+    
    private final TaskUpdateProcessor taskUpdateProcessor;
-
+    
    private final TaskAddProcessor taskAddProcessor;
-
+    
+    private final TaskAddAllProcessor taskAddAllProcessor;
+    
    private final TaskDeleteProcessor taskDeleteProcessor;
-
+    
    private final TaskDeleteInBatchProcessor taskDeleteInBatchProcessor;
-
+    
    private final TaskListQueryProcessor taskListQueryProcessor;
-
+    
    private final TaskDetailProcessor taskDetailProcessor;
-
+    
    public TaskApi(TaskUpdateProcessor taskUpdateProcessor, TaskAddProcessor taskAddProcessor,
-        TaskDeleteProcessor taskDeleteProcessor, TaskDeleteInBatchProcessor taskDeleteInBatchProcessor,
-        TaskListQueryProcessor taskListQueryProcessor, TaskDetailProcessor taskDetailProcessor) {
+            TaskAddAllProcessor taskAddAllProcessor, TaskDeleteProcessor taskDeleteProcessor,
+            TaskDeleteInBatchProcessor taskDeleteInBatchProcessor, TaskListQueryProcessor taskListQueryProcessor,
+            TaskDetailProcessor taskDetailProcessor) {
        this.taskUpdateProcessor = taskUpdateProcessor;
        this.taskAddProcessor = taskAddProcessor;
+        this.taskAddAllProcessor = taskAddAllProcessor;
        this.taskDeleteProcessor = taskDeleteProcessor;
        this.taskDeleteInBatchProcessor = taskDeleteInBatchProcessor;
        this.taskListQueryProcessor = taskListQueryProcessor;
        this.taskDetailProcessor = taskDetailProcessor;
    }
-
+    
    @RequestMapping(path = "/v1/task/list", method = RequestMethod.GET)
    public TaskListQueryResult tasks(TaskListQueryRequest taskListQueryRequest) {
-
+        
        return SkyWalkerTemplate.run(taskListQueryProcessor, taskListQueryRequest, new TaskListQueryResult());
    }
-
+    
    @RequestMapping(path = "/v1/task/detail", method = RequestMethod.GET)
    public TaskDetailQueryResult getByTaskId(TaskDetailQueryRequest taskDetailQueryRequest) {
-
+        
        return SkyWalkerTemplate.run(taskDetailProcessor, taskDetailQueryRequest, new TaskDetailQueryResult());
    }
-
+    
    @RequestMapping(path = "/v1/task/delete", method = RequestMethod.DELETE)
    public BaseResult deleteTask(TaskDeleteRequest taskDeleteRequest) {
-
+        
        return SkyWalkerTemplate.run(taskDeleteProcessor, taskDeleteRequest, new BaseResult());
    }
-
+    
    /**
-     * @author yongchao9
     * @param taskBatchDeleteRequest
     * @return
+     * @author yongchao9
     */
    @RequestMapping(path = "/v1/task/deleteInBatch", method = RequestMethod.DELETE)
    public BaseResult batchDeleteTask(TaskDeleteInBatchRequest taskBatchDeleteRequest) {
        return SkyWalkerTemplate.run(taskDeleteInBatchProcessor, taskBatchDeleteRequest, new BaseResult());
    }
-
+    
    @RequestMapping(path = "/v1/task/add", method = RequestMethod.POST)
    public BaseResult taskAdd(@RequestBody TaskAddRequest addTaskRequest) {
-
+        
        return SkyWalkerTemplate.run(taskAddProcessor, addTaskRequest, new TaskAddResult());
    }
-
+    
+    /**
+     * TODO 目前仅支持 Nacos 为源的同步类型，待完善更多类型支持.
+     * <p>
+     * 支持从 sourceCluster 获取所有 service，然后生成同步到 destCluster 的任务。
+     * </p>
+     */
+    @RequestMapping(path = "/v1/task/addAll", method = RequestMethod.POST)
+    public BaseResult taskAddAll(@RequestBody TaskAddAllRequest addAllRequest) {
+        
+        return SkyWalkerTemplate.run(taskAddAllProcessor, addAllRequest, new TaskAddResult());
+    }
+    
    @RequestMapping(path = "/v1/task/update", method = RequestMethod.POST)
    public BaseResult updateTask(@RequestBody TaskUpdateRequest taskUpdateRequest) {
-
+        
        return SkyWalkerTemplate.run(taskUpdateProcessor, taskUpdateRequest, new BaseResult());
    }
 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/cache/SkyWalkerCacheServices.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/cache/SkyWalkerCacheServices.java
@ -16,8 +16,7 @@
 */
 package com.alibaba.nacossync.cache;

-import com.alibaba.fastjson.JSONObject;
-import com.alibaba.fastjson.TypeReference;
+
 import com.alibaba.nacossync.constant.ClusterTypeEnum;
 import com.alibaba.nacossync.dao.ClusterAccessService;
 import com.alibaba.nacossync.exception.SkyWalkerException;
@ -25,39 +24,46 @@ import com.alibaba.nacossync.pojo.FinishedTask;
 import com.alibaba.nacossync.pojo.model.ClusterDO;
 import com.alibaba.nacossync.pojo.model.TaskDO;
 import com.alibaba.nacossync.util.SkyWalkerUtil;
-import java.util.List;
-import java.util.Map;
-import java.util.concurrent.ConcurrentHashMap;
-import org.jboss.netty.util.internal.ThreadLocalRandom;
-import org.springframework.beans.factory.annotation.Autowired;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import lombok.SneakyThrows;
 import org.springframework.stereotype.Service;
 import org.springframework.util.CollectionUtils;
 import org.springframework.util.StringUtils;

+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ThreadLocalRandom;
+
 /**
 * @author NacosSync
 * @version $Id: SkyWalkerCacheServices.java, v 0.1 2018-09-27 AM2:47 NacosSync Exp $$
 */
@Service
 public class SkyWalkerCacheServices {
+    
+    private static final Map<String, FinishedTask> FINISHED_TASK_MAP = new ConcurrentHashMap<>();
+    
+    private final ClusterAccessService clusterAccessService;

-    @Autowired
-    private ClusterAccessService clusterAccessService;
-
-    private static Map<String, FinishedTask> finishedTaskMap = new ConcurrentHashMap<>();
-
+    private final ObjectMapper objectMapper;
+    
+    public SkyWalkerCacheServices(ClusterAccessService clusterAccessService, ObjectMapper objectMapper) {
+        this.clusterAccessService = clusterAccessService;
+        this.objectMapper = objectMapper;
+    }
+    
    public String getClusterConnectKey(String clusterId) {
        List<String> allClusterConnectKey = getAllClusterConnectKey(clusterId);
-
        return allClusterConnectKey.get(ThreadLocalRandom.current().nextInt(allClusterConnectKey.size()));
    }

+    @SneakyThrows
    public List<String> getAllClusterConnectKey(String clusterId) {
        ClusterDO clusterDO = clusterAccessService.findByClusterId(clusterId);

-        List<String> connectKeyList = JSONObject.parseObject(clusterDO.getConnectKeyList(),
-            new TypeReference<List<String>>() {
-            });
+        List<String> connectKeyList = objectMapper.readerForListOf(String.class)
+            .readValue(clusterDO.getConnectKeyList());

        if (CollectionUtils.isEmpty(connectKeyList)) {
            throw new SkyWalkerException("getClusterConnectKey empty, clusterId:" + clusterId);
@ -79,23 +85,32 @@ public class SkyWalkerCacheServices {
        FinishedTask finishedTask = new FinishedTask();
        finishedTask.setOperationId(operationId);

-        finishedTaskMap.put(operationId, finishedTask);
+        FINISHED_TASK_MAP.put(operationId, finishedTask);
    }

    public FinishedTask getFinishedTask(TaskDO taskDO) {

        String operationId = SkyWalkerUtil.getOperationId(taskDO);

-        if (StringUtils.isEmpty(operationId)) {
+        if (!StringUtils.hasLength(operationId)) {
            return null;
        }

-        return finishedTaskMap.get(operationId);
+        return FINISHED_TASK_MAP.get(operationId);
+    }
+    
+    
+    public void removeFinishedTask(String operationId) {
+        if (!StringUtils.hasLength(operationId)) {
+            return;
+        }
+        FINISHED_TASK_MAP.remove(operationId);
    }

    public Map<String, FinishedTask> getFinishedTaskMap() {

-        return finishedTaskMap;
+        return FINISHED_TASK_MAP;
    }
+    

 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/constant/ClusterTypeEnum.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/constant/ClusterTypeEnum.java
@ -12,6 +12,8 @@
 */
 package com.alibaba.nacossync.constant;

+import lombok.Getter;
+
 import java.util.ArrayList;
 import java.util.List;

@ -19,6 +21,7 @@ import java.util.List;
 * @author NacosSync
 * @version $Id: ClusterTypeEnum.java, v 0.1 2018-09-25 下午4:38 NacosSync Exp $$
 */
+@Getter
 public enum ClusterTypeEnum {

    CS("CS", "configserver集群"),
@ -32,18 +35,16 @@ public enum ClusterTypeEnum {
    ZK("ZK", "zookeeper集群");


-    private String code;
+    private final String code;

-    private String desc;

    ClusterTypeEnum(String code, String desc) {
        this.code = code;
-        this.desc = desc;
    }

    public static List<String> getClusterTypeCodes() {

-        List<String> list = new ArrayList<String>();
+        List<String> list = new ArrayList<>();

        for (ClusterTypeEnum clusterTypeEnum : ClusterTypeEnum.values()) {
            list.add(clusterTypeEnum.getCode());
@ -51,42 +52,7 @@ public enum ClusterTypeEnum {
        return list;
    }

-    /**
-     * Getter method for property <tt>code</tt>.
-     *
-     * @return property value of code
-     */
-    public String getCode() {
-        return code;
-    }
-
-    /**
-     * Setter method for property <tt>code </tt>.
-     *
-     * @param code value to be assigned to property code
-     */
-    public void setCode(String code) {
-        this.code = code;
-    }
-
-    /**
-     * Getter method for property <tt>desc</tt>.
-     *
-     * @return property value of desc
-     */
-    public String getDesc() {
-        return desc;
-    }
-
-    /**
-     * Setter method for property <tt>desc </tt>.
-     *
-     * @param desc value to be assigned to property desc
-     */
-    public void setDesc(String desc) {
-        this.desc = desc;
-    }
-
+ 
    public static boolean contains(String clusterType) {

        for (ClusterTypeEnum clusterTypeEnum : ClusterTypeEnum.values()) {
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/constant/MetricsStatisticsType.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/constant/MetricsStatisticsType.java
@ -3,10 +3,13 @@
 */
 package com.alibaba.nacossync.constant;

+import lombok.Getter;
+
 /**
 * @author NacosSync
 * @version $Id: MetricsStatisticsType.java, v 0.1 2019年02月28日 下午2:17 NacosSync Exp $
 */
+@Getter
 public enum MetricsStatisticsType {

    CACHE_SIZE("nacosSync.finished.taskMap.cacheSize", "任务执行完成缓存列表数"),
@ -28,15 +31,10 @@ public enum MetricsStatisticsType {
    /**
     * metricsName
     */
-    private String metricsName;
-    private String desc;
+    private final String metricsName;

    MetricsStatisticsType(String code, String desc) {
        this.metricsName = code;
-        this.desc = desc;
-    }
-
-    public String getMetricsName() {
-        return metricsName;
    }
+    
 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/constant/ResultCodeEnum.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/constant/ResultCodeEnum.java
@ -16,46 +16,23 @@
 */
 package com.alibaba.nacossync.constant;

+import lombok.Getter;
+
 /**
 * @author NacosSync
 * @version $Id: ResultCodeEnum.java, v 0.1 2018-09-25 PM4:38 NacosSync Exp $$
 */
+@Getter
 public enum ResultCodeEnum {
    
    SUCCESS("SUCCESS", "请求成功", "请求成功"),
    SYSTEM_ERROR("SYSTEM_ERROR", "系统异常", "系统异常");

-    private String code;
-    private String errorMessage;
-    private String detail;
-
+    private final String code;
+    
    ResultCodeEnum(String code, String errorMessage, String detail) {
        this.code = code;
-        this.errorMessage = errorMessage;
-        this.detail = detail;
-    }
-
-    public String getCode() {
-        return code;
-    }
-
-    public void setCode(String code) {
-        this.code = code;
-    }
-
-    public String getErrorMessage() {
-        return errorMessage;
-    }
-
-    public void setErrorMessage(String errorMessage) {
-        this.errorMessage = errorMessage;
-    }
-
-    public String getDetail() {
-        return detail;
-    }
-
-    public void setDetail(String detail) {
-        this.detail = detail;
    }
+    
+    
 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/constant/SkyWalkerConstants.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/constant/SkyWalkerConstants.java
@ -24,11 +24,18 @@ public class SkyWalkerConstants {

    public static final  String UNDERLINE            = "_";

-    public static final  String DEST_CLUSTERID_KEY   = "destClusterId";
+    public static final  String DEST_CLUSTER_ID_KEY = "destClusterId";
    public static final  String GROUP_NAME           = "groupName";
    public static final String SYNC_SOURCE_KEY      = "syncSource";
-    public static final String SOURCE_CLUSTERID_KEY = "sourceClusterId";
+    public static final String SOURCE_CLUSTER_ID_KEY = "sourceClusterId";
    public static final String MANAGEMENT_PORT_KEY="management.port";
    public static final String MANAGEMENT_CONTEXT_PATH_KEY="management.context-path";
+    
+    public static  final String SERVICE_NAME_PARAM="serviceNameParam";
+    public static  final String GROUP_NAME_PARAM="groupNameParam";
+    public static  final String PAGE_NO="pageNo";
+    public static  final String PAGE_SIZE="pageSize";
+    public static final String SYNC_INSTANCE_TAG="sync.instance.tag";
+    public static final String NACOS_ALL_SERVICE_NAME = "ALL";

 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/constant/TaskStatusEnum.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/constant/TaskStatusEnum.java
@ -16,6 +16,8 @@
 */
 package com.alibaba.nacossync.constant;

+import lombok.Getter;
+
 /**
 * @author NacosSync
 * @version $Id: TaskStatusEnum.java, v 0.1 2018-09-26 上午2:38 NacosSync Exp $$
@ -30,51 +32,18 @@ public enum TaskStatusEnum {
     * delete the task
     */
    DELETE("DELETE", "任务需要被删除");
+    

-    private String code;
-    private String desc;
+    @Getter
+    private final String code;
+    private final String desc;

    TaskStatusEnum(String code, String desc) {
        this.code = code;
        this.desc = desc;
    }
-
-    /**
-     * Getter method for property <tt>code</tt>.
-     *
-     * @return property value of code
-     */
-    public String getCode() {
-        return code;
-    }
-
-    /**
-     * Setter method for property <tt>code </tt>.
-     *
-     * @param code value to be assigned to property code
-     */
-    public void setCode(String code) {
-        this.code = code;
-    }
-
-    /**
-     * Getter method for property <tt>desc</tt>.
-     *
-     * @return property value of desc
-     */
-    public String getDesc() {
-        return desc;
-    }
-
-    /**
-     * Setter method for property <tt>desc </tt>.
-     *
-     * @param desc value to be assigned to property desc
-     */
-    public void setDesc(String desc) {
-        this.desc = desc;
-    }
-
+    
+    
    public static boolean contains(String code) {

        for (TaskStatusEnum taskStatusEnum : TaskStatusEnum.values()) {
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/dao/ClusterAccessService.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/dao/ClusterAccessService.java
@ -16,10 +16,10 @@
 */
 package com.alibaba.nacossync.dao;

+import com.alibaba.nacossync.dao.repository.ClusterRepository;
 import com.alibaba.nacossync.pojo.QueryCondition;
+import com.alibaba.nacossync.pojo.model.ClusterDO;
 import lombok.extern.slf4j.Slf4j;
-
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.PageRequest;
 import org.springframework.data.domain.Pageable;
@ -27,9 +27,6 @@ import org.springframework.data.domain.Sort;
 import org.springframework.data.jpa.domain.Specification;
 import org.springframework.stereotype.Service;

-import com.alibaba.nacossync.dao.repository.ClusterRepository;
-import com.alibaba.nacossync.pojo.model.ClusterDO;
-
 import javax.persistence.criteria.CriteriaBuilder;
 import javax.persistence.criteria.Predicate;
 import javax.persistence.criteria.Root;
@ -44,9 +41,12 @@ import java.util.List;
@Slf4j
 public class ClusterAccessService implements PageQueryService<ClusterDO> {

-    @Autowired
-    private ClusterRepository clusterRepository;
-
+    private final ClusterRepository clusterRepository;
+    
+    public ClusterAccessService(ClusterRepository clusterRepository) {
+        this.clusterRepository = clusterRepository;
+    }
+    
    public ClusterDO insert(ClusterDO clusterDO) {

        return clusterRepository.save(clusterDO);
@ -103,4 +103,12 @@ public class ClusterAccessService implements PageQueryService<ClusterDO> {
        predicates.add(criteriaBuilder.like(root.get("clusterName"), "%" + queryCondition.getServiceName() + "%"));
        return predicates;
    }
+    
+    public int findClusterLevel(String sourceClusterId){
+        ClusterDO clusterDO = clusterRepository.findByClusterId(sourceClusterId);
+        if (clusterDO != null) {
+            return clusterDO.getClusterLevel();
+        }
+        return -1;
+    }
 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/dao/TaskAccessService.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/dao/TaskAccessService.java
@ -14,10 +14,13 @@
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
+
 package com.alibaba.nacossync.dao;

+import com.alibaba.nacossync.constant.SkyWalkerConstants;
+import com.alibaba.nacossync.dao.repository.TaskRepository;
 import com.alibaba.nacossync.pojo.QueryCondition;
-import org.springframework.beans.factory.annotation.Autowired;
+import com.alibaba.nacossync.pojo.model.TaskDO;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.PageRequest;
 import org.springframework.data.domain.Pageable;
@ -25,9 +28,6 @@ import org.springframework.data.domain.Sort;
 import org.springframework.data.jpa.domain.Specification;
 import org.springframework.stereotype.Service;

-import com.alibaba.nacossync.dao.repository.TaskRepository;
-import com.alibaba.nacossync.pojo.model.TaskDO;
-
 import javax.persistence.criteria.CriteriaBuilder;
 import javax.persistence.criteria.Predicate;
 import javax.persistence.criteria.Root;
@ -40,79 +40,94 @@ import java.util.List;
 */
@Service
 public class TaskAccessService implements PageQueryService<TaskDO> {
-
-    @Autowired
-    private TaskRepository taskRepository;
-
+    
+    private final TaskRepository taskRepository;
+    
+    public TaskAccessService(TaskRepository taskRepository) {
+        this.taskRepository = taskRepository;
+    }
+    
    public TaskDO findByTaskId(String taskId) {
-
+        
        return taskRepository.findByTaskId(taskId);
    }
-
+    
    public void deleteTaskById(String taskId) {
        taskRepository.deleteByTaskId(taskId);
    }
    
    /**
     * batch delete tasks by taskIds
-     * @author yongchao9
+     *
     * @param taskIds
+     * @author yongchao9
     */
    public void deleteTaskInBatch(List<String> taskIds) {
-    	List<TaskDO> tds=taskRepository.findAllByTaskIdIn(taskIds);
-        taskRepository.deleteInBatch(tds);
+        List<TaskDO> tds = taskRepository.findAllByTaskIdIn(taskIds);
+        taskRepository.deleteAllInBatch(tds);
    }
-
+    
    public Iterable<TaskDO> findAll() {
-
+        
        return taskRepository.findAll();
    }
-
+    
    public void addTask(TaskDO taskDO) {
-
+        
        taskRepository.save(taskDO);
-
+        
    }
-
+    
+    public int countByDestClusterIdOrSourceClusterId(String destClusterId, String sourceClusterId) {
+        return taskRepository.countByDestClusterIdOrSourceClusterId(destClusterId, sourceClusterId);
+    }
+    
    private Predicate getPredicate(CriteriaBuilder criteriaBuilder, List<Predicate> predicates) {
        Predicate[] p = new Predicate[predicates.size()];
        return criteriaBuilder.and(predicates.toArray(p));
    }
-
-    private List<Predicate> getPredicates(Root<TaskDO> root, CriteriaBuilder criteriaBuilder, QueryCondition queryCondition) {
-
+    
+    private List<Predicate> getPredicates(Root<TaskDO> root, CriteriaBuilder criteriaBuilder,
+            QueryCondition queryCondition) {
+        
        List<Predicate> predicates = new ArrayList<>();
        predicates.add(criteriaBuilder.like(root.get("serviceName"), "%" + queryCondition.getServiceName() + "%"));
-
+        
        return predicates;
    }
-
+    
    @Override
    public Page<TaskDO> findPageNoCriteria(Integer pageNum, Integer size) {
-
+        
        Pageable pageable = PageRequest.of(pageNum, size, Sort.Direction.DESC, "id");
-
+        
        return taskRepository.findAll(pageable);
    }
-
+    
    @Override
    public Page<TaskDO> findPageCriteria(Integer pageNum, Integer size, QueryCondition queryCondition) {
-
+        
        Pageable pageable = PageRequest.of(pageNum, size, Sort.Direction.DESC, "id");
-
+        
        return getTaskDOS(queryCondition, pageable);
    }
-
+    
    private Page<TaskDO> getTaskDOS(QueryCondition queryCondition, Pageable pageable) {
-        return taskRepository.findAll(
-                (Specification<TaskDO>) (root, criteriaQuery, criteriaBuilder) -> {
-
-                    List<Predicate> predicates = getPredicates(root,
-                            criteriaBuilder, queryCondition);
-
-                    return getPredicate(criteriaBuilder, predicates);
-
-                }, pageable);
+        return taskRepository.findAll((Specification<TaskDO>) (root, criteriaQuery, criteriaBuilder) -> {
+            
+            List<Predicate> predicates = getPredicates(root, criteriaBuilder, queryCondition);
+            
+            return getPredicate(criteriaBuilder, predicates);
+            
+        }, pageable);
    }
-
+    
+    public List<TaskDO> findAllByServiceNameEqualAll() {
+        return taskRepository.findAllByServiceNameEqualsIgnoreCase(SkyWalkerConstants.NACOS_ALL_SERVICE_NAME);
+    }
+    
+    public List<TaskDO> findAllByServiceNameNotEqualAll() {
+        return taskRepository.findAllByServiceNameNotIgnoreCase(SkyWalkerConstants.NACOS_ALL_SERVICE_NAME);
+    }
+    
 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/dao/repository/ClusterRepository.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/dao/repository/ClusterRepository.java
@ -16,13 +16,13 @@
 */
 package com.alibaba.nacossync.dao.repository;

-import javax.transaction.Transactional;
-
+import com.alibaba.nacossync.pojo.model.ClusterDO;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
 import org.springframework.data.repository.CrudRepository;

-import com.alibaba.nacossync.pojo.model.ClusterDO;
+import javax.transaction.Transactional;
+

 /**
 * @author NacosSync
@ -34,6 +34,6 @@ public interface ClusterRepository extends CrudRepository<ClusterDO, Integer>, J
    ClusterDO findByClusterId(String clusterId);

    @Transactional
-    int deleteByClusterId(String clusterId);
+    void deleteByClusterId(String clusterId);

 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/dao/repository/TaskRepository.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/dao/repository/TaskRepository.java
@ -16,15 +16,13 @@
 */
 package com.alibaba.nacossync.dao.repository;

-import java.util.List;
-
-import javax.transaction.Transactional;
-
+import com.alibaba.nacossync.pojo.model.TaskDO;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
 import org.springframework.data.repository.CrudRepository;

-import com.alibaba.nacossync.pojo.model.TaskDO;
+import javax.transaction.Transactional;
+import java.util.List;

 /**
 * @author NacosSync
@ -36,10 +34,15 @@ public interface TaskRepository extends CrudRepository<TaskDO, Integer>, JpaRepo
    TaskDO findByTaskId(String taskId);

    @Transactional
-    int deleteByTaskId(String taskId);
+    void deleteByTaskId(String taskId);
    
    List<TaskDO> findAllByTaskIdIn(List<String> taskIds);
+    /**
+     * query service is all，use ns leven sync data
+     */
+    List<TaskDO> findAllByServiceNameEqualsIgnoreCase(String serviceName);
+    List<TaskDO> findAllByServiceNameNotIgnoreCase(String serviceName);
    
-    List<TaskDO> getAllByWorkerIp(String workerIp);
+    int countByDestClusterIdOrSourceClusterId(String destClusterId,String sourceClusterId);

 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/event/DeleteAllSubTaskEvent.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/event/DeleteAllSubTaskEvent.java
@ -0,0 +1,13 @@
+package com.alibaba.nacossync.event;
+
+import com.alibaba.nacossync.pojo.model.TaskDO;
+import lombok.Data;
+
+@Data
+public class DeleteAllSubTaskEvent {
+    public DeleteAllSubTaskEvent(TaskDO taskDO) {
+        this.taskDO = taskDO;
+    }
+    
+    private final TaskDO taskDO;
+}
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/event/listener/EventListener.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/event/listener/EventListener.java
@ -14,23 +14,22 @@
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
+
 package com.alibaba.nacossync.event.listener;

-import javax.annotation.PostConstruct;
-
-import com.alibaba.nacossync.constant.MetricsStatisticsType;
-import com.alibaba.nacossync.monitor.MetricsManager;
-import lombok.extern.slf4j.Slf4j;
-
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Service;
-
 import com.alibaba.nacossync.cache.SkyWalkerCacheServices;
+import com.alibaba.nacossync.constant.MetricsStatisticsType;
 import com.alibaba.nacossync.event.DeleteTaskEvent;
 import com.alibaba.nacossync.event.SyncTaskEvent;
 import com.alibaba.nacossync.extension.SyncManagerService;
+import com.alibaba.nacossync.monitor.MetricsManager;
+import com.google.common.base.Stopwatch;
 import com.google.common.eventbus.EventBus;
 import com.google.common.eventbus.Subscribe;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+
+import javax.annotation.PostConstruct;

 /**
 * @author NacosSync
@ -39,50 +38,59 @@ import com.google.common.eventbus.Subscribe;
@Slf4j
@Service
 public class EventListener {
-
-    @Autowired
-    private MetricsManager metricsManager;
-
-    @Autowired
-    private SyncManagerService syncManagerService;
-
-    @Autowired
-    private EventBus eventBus;
-
-    @Autowired
-    private SkyWalkerCacheServices skyWalkerCacheServices;
-
+    
+    private final MetricsManager metricsManager;
+    
+    private final SyncManagerService syncManagerService;
+    
+    private final EventBus eventBus;
+    
+    private final SkyWalkerCacheServices skyWalkerCacheServices;
+    
+    public EventListener(MetricsManager metricsManager, SyncManagerService syncManagerService, EventBus eventBus,
+            SkyWalkerCacheServices skyWalkerCacheServices) {
+        this.metricsManager = metricsManager;
+        this.syncManagerService = syncManagerService;
+        this.eventBus = eventBus;
+        this.skyWalkerCacheServices = skyWalkerCacheServices;
+    }
+    
    @PostConstruct
    public void register() {
        eventBus.register(this);
    }
-
+    
    @Subscribe
-    public void listenerSyncTaskEvent(SyncTaskEvent syncTaskEvent) {
-
+    public void sync(SyncTaskEvent syncTaskEvent) {
+        
        try {
-            long start = System.currentTimeMillis();
-            syncManagerService.sync(syncTaskEvent.getTaskDO());
-            skyWalkerCacheServices.addFinishedTask(syncTaskEvent.getTaskDO());
-            metricsManager.record(MetricsStatisticsType.SYNC_TASK_RT, System.currentTimeMillis() - start);
+            
+            Stopwatch stopwatch = Stopwatch.createStarted();
+            if (syncManagerService.sync(syncTaskEvent.getTaskDO(), null)) {
+                skyWalkerCacheServices.addFinishedTask(syncTaskEvent.getTaskDO());
+                metricsManager.record(MetricsStatisticsType.SYNC_TASK_RT, stopwatch.elapsed().toMillis());
+            } else {
+                log.warn("syncTaskEvent process error");
+            }
        } catch (Exception e) {
-            log.warn("listenerSyncTaskEvent process error", e);
+            log.warn("syncTaskEvent process error", e);
        }
-
+        
    }
-
+    
    @Subscribe
-    public void listenerDeleteTaskEvent(DeleteTaskEvent deleteTaskEvent) {
-
+    public void delete(DeleteTaskEvent deleteTaskEvent) {
+        
        try {
-            long start = System.currentTimeMillis();
-            syncManagerService.delete(deleteTaskEvent.getTaskDO());
-            skyWalkerCacheServices.addFinishedTask(deleteTaskEvent.getTaskDO());
-            metricsManager.record(MetricsStatisticsType.DELETE_TASK_RT, System.currentTimeMillis() - start);
+            Stopwatch stopwatch = Stopwatch.createStarted();
+            if (syncManagerService.delete(deleteTaskEvent.getTaskDO())) {
+                skyWalkerCacheServices.removeFinishedTask(deleteTaskEvent.getTaskDO().getOperationId());
+                metricsManager.record(MetricsStatisticsType.DELETE_TASK_RT, stopwatch.elapsed().toMillis());
+            } else {
+                log.warn("deleteTaskEvent delete failure");
+            }
        } catch (Exception e) {
-            log.warn("listenerDeleteTaskEvent process error", e);
+            log.warn("deleteTaskEvent delete failure.", e);
        }
-
    }
-
 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/SyncManagerService.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/SyncManagerService.java
@ -12,14 +12,12 @@
 */
 package com.alibaba.nacossync.extension;

-import static com.alibaba.nacossync.util.SkyWalkerUtil.generateSyncKey;
-
 import com.alibaba.nacos.api.exception.NacosException;
 import com.alibaba.nacossync.cache.SkyWalkerCacheServices;
 import com.alibaba.nacossync.constant.ClusterTypeEnum;
 import com.alibaba.nacossync.extension.annotation.NacosSyncService;
 import com.alibaba.nacossync.pojo.model.TaskDO;
-import java.util.concurrent.ConcurrentHashMap;
+import com.alibaba.nacossync.util.StringUtils;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.BeansException;
 import org.springframework.beans.factory.InitializingBean;
@ -27,6 +25,10 @@ import org.springframework.context.ApplicationContext;
 import org.springframework.context.ApplicationContextAware;
 import org.springframework.stereotype.Service;

+import java.util.concurrent.ConcurrentHashMap;
+
+import static com.alibaba.nacossync.util.SkyWalkerUtil.generateSyncKey;
+
 /**
 * @author NacosSync
 * @version $Id: SyncManagerService.java, v 0.1 2018-09-25 PM5:17 NacosSync Exp $$
@ -37,7 +39,7 @@ public class SyncManagerService implements InitializingBean, ApplicationContextA

    protected final SkyWalkerCacheServices skyWalkerCacheServices;

-    private ConcurrentHashMap<String, SyncService> syncServiceMap = new ConcurrentHashMap<String, SyncService>();
+    private final ConcurrentHashMap<String, SyncService> syncServiceMap = new ConcurrentHashMap<String, SyncService>();

    private ApplicationContext applicationContext;

@ -52,19 +54,19 @@ public class SyncManagerService implements InitializingBean, ApplicationContextA

    }

-    public boolean sync(TaskDO taskDO) {
+    public boolean sync(TaskDO taskDO, Integer index) {

-        return getSyncService(taskDO.getSourceClusterId(), taskDO.getDestClusterId()).sync(taskDO);
+        return getSyncService(taskDO.getSourceClusterId(), taskDO.getDestClusterId()).sync(taskDO, index);

    }

    @Override
    public void afterPropertiesSet() {
-        this.applicationContext.getBeansOfType(SyncService.class).forEach((key, value) -> {
+        this.applicationContext.getBeansWithAnnotation(NacosSyncService.class).forEach((key, value) -> {
            NacosSyncService nacosSyncService = value.getClass().getAnnotation(NacosSyncService.class);
            ClusterTypeEnum sourceCluster = nacosSyncService.sourceCluster();
            ClusterTypeEnum destinationCluster = nacosSyncService.destinationCluster();
-            syncServiceMap.put(generateSyncKey(sourceCluster, destinationCluster), value);
+            syncServiceMap.put(generateSyncKey(sourceCluster, destinationCluster), (SyncService) value);
        });
    }

@ -74,7 +76,9 @@ public class SyncManagerService implements InitializingBean, ApplicationContextA
    }

    public SyncService getSyncService(String sourceClusterId, String destClusterId) {
-
+        if (StringUtils.isEmpty(sourceClusterId) || StringUtils.isEmpty(destClusterId)) {
+            throw new IllegalArgumentException("Source cluster id and destination cluster id must not be null or empty");
+        }
        ClusterTypeEnum sourceClusterType = this.skyWalkerCacheServices.getClusterType(sourceClusterId);
        ClusterTypeEnum destClusterType = this.skyWalkerCacheServices.getClusterType(destClusterId);

--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/SyncService.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/SyncService.java
@ -14,9 +14,10 @@ package com.alibaba.nacossync.extension;

 import com.alibaba.nacossync.constant.SkyWalkerConstants;
 import com.alibaba.nacossync.pojo.model.TaskDO;
-import java.util.Map;
 import org.apache.commons.lang3.StringUtils;

+import java.util.Map;
+
 /**
 * @author NacosSync
 * @version $Id: SyncManagerService.java, v 0.1 2018-09-25 下午5:17 NacosSync Exp $$
@ -30,20 +31,22 @@ public interface SyncService {
     * @return
     */
    boolean delete(TaskDO taskDO);
-
+    
    /**
-     * execute sync
     *
     * @param taskDO
+     * @param index
     * @return
     */
-    boolean sync(TaskDO taskDO);
+    boolean sync(TaskDO taskDO, Integer index);

    /**
     * Determines that the current instance data is from another source cluster
     */
    default boolean needSync(Map<String, String> sourceMetaData) {
-        return StringUtils.isBlank(sourceMetaData.get(SkyWalkerConstants.SOURCE_CLUSTERID_KEY));
+        boolean syncTag = StringUtils.isBlank(sourceMetaData.get(SkyWalkerConstants.SYNC_INSTANCE_TAG));
+        boolean blank = StringUtils.isBlank(sourceMetaData.get(SkyWalkerConstants.SOURCE_CLUSTER_ID_KEY));
+        return syncTag && blank;
    }

    /**
@ -51,7 +54,7 @@ public interface SyncService {
     * cluster ID of the task
     */
    default boolean needDelete(Map<String, String> destMetaData, TaskDO taskDO) {
-        return StringUtils.equals(destMetaData.get(SkyWalkerConstants.SOURCE_CLUSTERID_KEY),
+        return StringUtils.equals(destMetaData.get(SkyWalkerConstants.SOURCE_CLUSTER_ID_KEY),
                taskDO.getSourceClusterId());
    }

--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/client/InstanceQueryModel.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/client/InstanceQueryModel.java
@ -1,15 +0,0 @@
-package com.alibaba.nacossync.extension.client;
-
-import lombok.Data;
-
-@Data
-public class InstanceQueryModel {
-
-    private String sourceClusterId;
-    private String destClusterId;
-    private String serviceName;
-    private String groupName;
-    private String version;
-    private int pageNo;
-    private int pageSize;
-}
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/client/SyncQueryClient.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/client/SyncQueryClient.java
@ -1,11 +0,0 @@
-package com.alibaba.nacossync.extension.client;
-
-import com.alibaba.nacossync.pojo.view.TaskModel;
-import java.util.List;
-
-public interface SyncQueryClient {
-
-
-    List<TaskModel> getAllInstance(InstanceQueryModel instanceQueryModel);
-
-}
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/client/impl/NacosSyncQueryClientImpl.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/client/impl/NacosSyncQueryClientImpl.java
@ -1,54 +0,0 @@
-package com.alibaba.nacossync.extension.client.impl;
-
-import com.alibaba.nacos.api.exception.NacosException;
-import com.alibaba.nacos.api.naming.NamingService;
-import com.alibaba.nacos.api.naming.pojo.ListView;
-import com.alibaba.nacossync.extension.client.InstanceQueryModel;
-import com.alibaba.nacossync.extension.client.SyncQueryClient;
-import com.alibaba.nacossync.extension.holder.NacosServerHolder;
-import com.alibaba.nacossync.pojo.view.TaskModel;
-import java.util.Collections;
-import java.util.List;
-import java.util.stream.Collectors;
-import lombok.extern.slf4j.Slf4j;
-import org.springframework.stereotype.Service;
-
-@Service
-@Slf4j
-public class NacosSyncQueryClientImpl implements SyncQueryClient {
-
-    private final NacosServerHolder nacosServerHolder;
-
-    public NacosSyncQueryClientImpl(
-            NacosServerHolder nacosServerHolder) {
-        this.nacosServerHolder = nacosServerHolder;
-    }
-
-    @Override
-    public List<TaskModel> getAllInstance(InstanceQueryModel instanceQueryModel) {
-        NamingService namingService = nacosServerHolder
-                .get(instanceQueryModel.getSourceClusterId(), instanceQueryModel.getGroupName());
-        try {
-            ListView<String> servicesOfServer = namingService
-                    .getServicesOfServer(instanceQueryModel.getPageNo(),
-                            instanceQueryModel.getPageSize());
-            return servicesOfServer.getData().stream()
-                    .map(serviceName -> buildTaskModel(instanceQueryModel, serviceName))
-                    .collect(Collectors.toList());
-
-        } catch (NacosException e) {
-            log.error("When using nacos client failure query tasks", e);
-            return Collections.emptyList();
-        }
-    }
-
-    private TaskModel buildTaskModel(InstanceQueryModel instanceQueryModel, String serviceName) {
-        TaskModel taskModel = new TaskModel();
-        taskModel.setServiceName(serviceName);
-        taskModel.setSourceClusterId(instanceQueryModel.getSourceClusterId());
-        taskModel.setDestClusterId(instanceQueryModel.getDestClusterId());
-        return taskModel;
-    }
-
-
-}
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/eureka/EurekaBeatReactor.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/eureka/EurekaBeatReactor.java
@ -29,11 +29,11 @@ import java.util.concurrent.TimeUnit;
 */
@Slf4j
 public class EurekaBeatReactor {
-    private ScheduledExecutorService executorService;
+    private final ScheduledExecutorService executorService;

-    private volatile long clientBeatInterval = 5 * 1000;
+    private static final long CLIENT_BEAT_INTERVAL = 5 * 1000;
    private final Map<String, InstanceInfo> eurekaBeat = new ConcurrentHashMap<>();
-    private EurekaHttpClient eurekaHttpClient;
+    private final EurekaHttpClient eurekaHttpClient;

    public EurekaBeatReactor(EurekaHttpClient eurekaHttpClient) {
        this.eurekaHttpClient = eurekaHttpClient;
@ -71,7 +71,7 @@ public class EurekaBeatReactor {
            } catch (Exception e) {
                log.error("[CLIENT-BEAT] Exception while scheduling beat.", e);
            } finally {
-                executorService.schedule(this, clientBeatInterval, TimeUnit.MILLISECONDS);
+                executorService.schedule(this, CLIENT_BEAT_INTERVAL, TimeUnit.MILLISECONDS);
            }
        }
    }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/eureka/EurekaNamingService.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/eureka/EurekaNamingService.java
@ -26,8 +26,8 @@ import java.util.Objects;
 * @date 2019-06-26
 */
 public class EurekaNamingService {
-    private EurekaHttpClient eurekaHttpClient;
-    private EurekaBeatReactor beatReactor;
+    private final EurekaHttpClient eurekaHttpClient;
+    private final EurekaBeatReactor beatReactor;


    public EurekaNamingService(EurekaHttpClient eurekaHttpClient) {
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/event/SpecialSyncEventBus.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/event/SpecialSyncEventBus.java
@ -25,7 +25,7 @@ import java.util.function.Consumer;
 */
@Service
 public class SpecialSyncEventBus {
-    private ConcurrentHashMap<String, SpecialSyncEvent> specialSyncEventRegistry = new ConcurrentHashMap<>();
+    private final ConcurrentHashMap<String, SpecialSyncEvent> specialSyncEventRegistry = new ConcurrentHashMap<>();

    public void subscribe(TaskDO taskDO, Consumer<TaskDO> syncAction) {
        SpecialSyncEvent specialSyncEvent = new SpecialSyncEvent();
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/event/listener/SpecialSyncEventListener.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/event/listener/SpecialSyncEventListener.java
@ -21,7 +21,6 @@ import com.alibaba.nacossync.pojo.model.TaskDO;
 import com.google.common.eventbus.EventBus;
 import com.google.common.eventbus.Subscribe;
 import lombok.extern.slf4j.Slf4j;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;

 import javax.annotation.PostConstruct;
@ -34,9 +33,12 @@ import java.util.function.Consumer;
@Service
@Slf4j
 public class SpecialSyncEventListener {
-    @Autowired
-    private EventBus eventBus;
-
+    private final EventBus eventBus;
+    
+    public SpecialSyncEventListener(EventBus eventBus) {
+        this.eventBus = eventBus;
+    }
+    
    @PostConstruct
    public void init() {
        eventBus.register(this);
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/holder/AbstractServerHolderImpl.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/holder/AbstractServerHolderImpl.java
@ -13,13 +13,10 @@
 package com.alibaba.nacossync.extension.holder;

 import com.alibaba.nacossync.cache.SkyWalkerCacheServices;
-import com.google.common.base.Joiner;
 import lombok.extern.slf4j.Slf4j;
-import org.apache.logging.log4j.util.Strings;
 import org.springframework.beans.factory.annotation.Autowired;

 import java.util.Map;
-import java.util.Optional;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.function.Supplier;

@ -28,40 +25,36 @@ import java.util.function.Supplier;
 * @date 2018-12-24 22:08
 */
@Slf4j
-public abstract class AbstractServerHolderImpl<T> implements Holder {
-
+public abstract class AbstractServerHolderImpl<T> implements Holder<T> {
+    
    private final Map<String, T> serviceMap = new ConcurrentHashMap<>();
+
+    
    @Autowired
    protected SkyWalkerCacheServices skyWalkerCacheServices;

    @Override
-    public T get(String clusterId, String namespace) {
-        final String finalNamespace = Optional.ofNullable(namespace).orElse(Strings.EMPTY);
-        String key = Joiner.on("_").join(clusterId, finalNamespace);
+    public T get(String clusterId) {

-        serviceMap.computeIfAbsent(key, clusterKey -> {
+        return serviceMap.computeIfAbsent(clusterId, clusterKey -> {
            try {
                log.info("Starting create cluster server, clusterId={}", clusterId);
-                return createServer(clusterId, () -> skyWalkerCacheServices.getClusterConnectKey(clusterId),
-                    finalNamespace);
+                return createServer(clusterId, () -> skyWalkerCacheServices.getClusterConnectKey(clusterId));
            } catch (Exception e) {
                log.error(String.format("clusterId=%s, start server failed", clusterId), e);
                return null;
            }
        });
-
-        return serviceMap.get(key);
    }

    /**
     * Create real cluster client instance
     *
-     * @param clusterId cluster id
+     * @param clusterId             cluster id
     * @param serverAddressSupplier server address
-     * @param namespace name space
     * @return cluster client instance
     */
-    abstract T createServer(String clusterId, Supplier<String> serverAddressSupplier, String namespace)
+    abstract T createServer(String clusterId, Supplier<String> serverAddressSupplier)
        throws Exception;

 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/holder/ConsulServerHolder.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/holder/ConsulServerHolder.java
@ -30,7 +30,7 @@ public class ConsulServerHolder extends AbstractServerHolderImpl<ConsulClient> {
    public static final String HTTP = "http://";

    @Override
-    ConsulClient createServer(String clusterId, Supplier<String> serverAddressSupplier, String namespace) throws Exception {
+    ConsulClient createServer(String clusterId, Supplier<String> serverAddressSupplier) throws Exception {
        String serverAddress = serverAddressSupplier.get();
        serverAddress = serverAddress.startsWith(HTTP) ? serverAddress : HTTP + serverAddress;
        URL url = new URL(serverAddress);
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/holder/EurekaServerHolder.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/holder/EurekaServerHolder.java
@ -10,6 +10,7 @@
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 */
+
 package com.alibaba.nacossync.extension.holder;

 import com.alibaba.nacossync.extension.eureka.EurekaNamingService;
@ -30,12 +31,27 @@ import java.util.function.Supplier;
@Service
@Slf4j
 public class EurekaServerHolder extends AbstractServerHolderImpl<EurekaNamingService> {
+    
+    private static final String HTTP_PREFIX = "http://";
+    
+    private static final String HTTPS_PREFIX = "https://";
+    
    @Override
-    EurekaNamingService createServer(String clusterId, Supplier<String> serverAddressSupplier, String namespace) throws Exception {
-        RestTemplateTransportClientFactory restTemplateTransportClientFactory =
-                new RestTemplateTransportClientFactory();
-        EurekaEndpoint eurekaEndpoint = new DefaultEndpoint(serverAddressSupplier.get());
+    EurekaNamingService createServer(String clusterId, Supplier<String> serverAddressSupplier) throws Exception {
+        RestTemplateTransportClientFactory restTemplateTransportClientFactory = new RestTemplateTransportClientFactory();
+        EurekaEndpoint eurekaEndpoint = new DefaultEndpoint(addHttpPrefix(serverAddressSupplier.get()));
        EurekaHttpClient eurekaHttpClient = restTemplateTransportClientFactory.newClient(eurekaEndpoint);
        return new EurekaNamingService(eurekaHttpClient);
    }
+    
+    public String addHttpPrefix(String input) {
+        if (input == null || input.isEmpty()) {
+            return input;
+        }
+        if (!input.startsWith(HTTP_PREFIX) && !input.startsWith(HTTPS_PREFIX)) {
+            input = HTTP_PREFIX + input;
+        }
+        
+        return input;
+    }
 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/holder/Holder.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/holder/Holder.java
@ -22,9 +22,8 @@ public interface Holder<T> {
    /**
     *  Through the cluster ID and namespace fetch cluster client service
     * @param clusterId cluster id
-     * @param namespace name space
     * @return
     * @throws Exception
     */
-     T get(String clusterId, String namespace) throws Exception;
+     T get(String clusterId) throws Exception;
 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/holder/NacosServerHolder.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/holder/NacosServerHolder.java
@ -18,12 +18,14 @@ import com.alibaba.nacos.api.naming.NamingService;
 import com.alibaba.nacossync.dao.ClusterAccessService;
 import com.alibaba.nacossync.pojo.model.ClusterDO;
 import com.google.common.base.Joiner;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.logging.log4j.util.Strings;
+import org.springframework.stereotype.Service;
+
 import java.util.List;
 import java.util.Optional;
 import java.util.Properties;
 import java.util.function.Supplier;
-import lombok.extern.slf4j.Slf4j;
-import org.springframework.stereotype.Service;

 /**
 * @author paderlol
@ -34,13 +36,13 @@ import org.springframework.stereotype.Service;
 public class NacosServerHolder extends AbstractServerHolderImpl<NamingService> {

    private final ClusterAccessService clusterAccessService;
-
+    
    public NacosServerHolder(ClusterAccessService clusterAccessService) {
        this.clusterAccessService = clusterAccessService;
    }

    @Override
-    NamingService createServer(String clusterId, Supplier<String> serverAddressSupplier, String namespace)
+    NamingService createServer(String clusterId, Supplier<String> serverAddressSupplier)
        throws Exception {
        List<String> allClusterConnectKey = skyWalkerCacheServices
            .getAllClusterConnectKey(clusterId);
@ -48,7 +50,8 @@ public class NacosServerHolder extends AbstractServerHolderImpl<NamingService> {
        String serverList = Joiner.on(",").join(allClusterConnectKey);
        Properties properties = new Properties();
        properties.setProperty(PropertyKeyConst.SERVER_ADDR, serverList);
-        properties.setProperty(PropertyKeyConst.NAMESPACE, namespace);
+        properties.setProperty(PropertyKeyConst.NAMESPACE, Optional.ofNullable(clusterDO.getNamespace()).orElse(
+            Strings.EMPTY));
        Optional.ofNullable(clusterDO.getUserName()).ifPresent(value ->
            properties.setProperty(PropertyKeyConst.USERNAME, value)
        );
@ -58,4 +61,5 @@ public class NacosServerHolder extends AbstractServerHolderImpl<NamingService> {
        );
        return NamingFactory.createNamingService(properties);
    }
+    
 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/holder/ZookeeperServerHolder.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/holder/ZookeeperServerHolder.java
@ -32,7 +32,7 @@ public class ZookeeperServerHolder extends AbstractServerHolderImpl<CuratorFrame


    @Override
-    CuratorFramework createServer(String clusterId, Supplier<String> serverAddressSupplier, String namespace) {
+    CuratorFramework createServer(String clusterId, Supplier<String> serverAddressSupplier) {
        List<String> allClusterConnectKey = skyWalkerCacheServices
                .getAllClusterConnectKey(clusterId);
        String serverList = Joiner.on(",").join(allClusterConnectKey);
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/impl/AbstractNacosSync.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/impl/AbstractNacosSync.java
@ -0,0 +1,265 @@
+package com.alibaba.nacossync.extension.impl;
+
+import com.alibaba.nacos.api.exception.NacosException;
+import com.alibaba.nacos.api.naming.NamingService;
+import com.alibaba.nacos.api.naming.listener.EventListener;
+import com.alibaba.nacos.api.naming.listener.NamingEvent;
+import com.alibaba.nacos.api.naming.pojo.Instance;
+import com.alibaba.nacos.common.utils.CollectionUtils;
+import com.alibaba.nacossync.constant.MetricsStatisticsType;
+import com.alibaba.nacossync.extension.SyncService;
+import com.alibaba.nacossync.extension.holder.NacosServerHolder;
+import com.alibaba.nacossync.monitor.MetricsManager;
+import com.alibaba.nacossync.pojo.model.TaskDO;
+import com.alibaba.nacossync.util.BatchTaskExecutor;
+import com.google.common.base.Stopwatch;
+import lombok.Getter;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+
+import javax.annotation.PostConstruct;
+import javax.annotation.PreDestroy;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.TreeSet;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
+import java.util.stream.Collectors;
+
+import static com.alibaba.nacossync.util.NacosUtils.getGroupNameOrDefault;
+
+@Slf4j
+public abstract class AbstractNacosSync implements SyncService {
+    
+    private final Map<String, EventListener> listenerMap = new ConcurrentHashMap<>();
+    
+    private final Map<String, Set<String>> sourceInstanceSnapshot = new ConcurrentHashMap<>();
+    
+    private final Map<String, Integer> syncTaskTap = new ConcurrentHashMap<>();
+    
+    private final ConcurrentHashMap<String, TaskDO> allSyncTaskMap = new ConcurrentHashMap<>();
+    private ScheduledExecutorService executorService;
+    @Autowired
+    private MetricsManager metricsManager;
+    
+    @Getter
+    @Autowired
+    private NacosServerHolder nacosServerHolder;
+    
+    
+    /**
+     * Due to network issues or other reasons, the Nacos Sync synchronization tasks may fail,
+     * resulting in the target cluster's registry missing synchronized instances.
+     * To prevent the target cluster's registry from missing synchronized instances for an extended period,
+     * a fallback worker thread is started every 5 minutes to execute all synchronization tasks.
+     */
+    @PostConstruct
+    public void afterPropertiesSet() {
+        initializeExecutorService();
+        scheduleSyncTasks();
+    }
+    
+    @PreDestroy
+    public void destroy() {
+        if (executorService != null && !executorService.isShutdown()) {
+            executorService.shutdown();
+            try {
+                if (!executorService.awaitTermination(60, TimeUnit.SECONDS)) {
+                    executorService.shutdownNow();
+                }
+            } catch (InterruptedException e) {
+                executorService.shutdownNow();
+                Thread.currentThread().interrupt();
+            }
+        }
+    }
+    
+    private void initializeExecutorService() {
+        executorService = Executors.newSingleThreadScheduledExecutor(r -> {
+            Thread t = new Thread(r);
+            t.setDaemon(true);
+            t.setName("com.alibaba.nacossync.basic.synctask");
+            return t;
+        });
+    }
+    
+    private void scheduleSyncTasks() {
+        executorService.scheduleWithFixedDelay(this::executeSyncTasks, 0, 300, TimeUnit.SECONDS);
+    }
+    
+    private void executeSyncTasks() {
+        if (allSyncTaskMap.isEmpty()) {
+            return;
+        }
+        
+        Collection<TaskDO> taskCollections = allSyncTaskMap.values();
+        List<TaskDO> taskDOList = new ArrayList<>(taskCollections);
+        
+        if (CollectionUtils.isNotEmpty(taskDOList)) {
+            BatchTaskExecutor.batchOperation(taskDOList, this::executeTask);
+        }
+    }
+    
+    private void executeTask(TaskDO task) {
+        Stopwatch stopwatch = Stopwatch.createStarted();
+        String taskId = task.getTaskId();
+        try {
+            NamingService sourceNamingService = nacosServerHolder.get(task.getSourceClusterId());
+            doSync(taskId, task, sourceNamingService);
+        } catch (NacosException e) {
+            log.error("sync task from nacos to nacos failed, taskId:{}", taskId, e);
+            metricsManager.recordError(MetricsStatisticsType.SYNC_ERROR);
+        } catch (Exception e) {
+            log.error("Unexpected error during sync task, taskId:{}", taskId, e);
+            metricsManager.recordError(MetricsStatisticsType.SYNC_ERROR);
+        } finally {
+            stopwatch.stop();
+            log.debug("Task execution time for taskId {}: {} ms", taskId, stopwatch.elapsed(TimeUnit.MILLISECONDS));
+        }
+    }
+    
+    @Override
+    public boolean delete(TaskDO taskDO) {
+        String taskId = taskDO.getTaskId();
+        try {
+            
+            NamingService sourceNamingService = nacosServerHolder.get(taskDO.getSourceClusterId());
+            //移除订阅
+            EventListener listener = listenerMap.remove(taskId);
+            if (listener!= null) {
+                sourceNamingService.unsubscribe(taskDO.getServiceName(), getGroupNameOrDefault(taskDO.getGroupName()), listener);
+            }
+            sourceNamingService.unsubscribe(taskDO.getServiceName(), getGroupNameOrDefault(taskDO.getGroupName()),
+                    listenerMap.remove(taskId));
+            sourceInstanceSnapshot.remove(taskId);
+            allSyncTaskMap.remove(taskId);
+            
+            // 删除目标集群中同步的实例列表
+            deregisterInstance(taskDO);
+        }catch (NacosException e) {
+            log.error("Delete task from nacos to specify destination was failed, taskId:{}", taskId, e);
+            metricsManager.recordError(MetricsStatisticsType.SYNC_ERROR);
+            return false;
+        } catch (Exception e) {
+            log.error("Unexpected error during sync task, taskId:{}", taskId, e);
+            metricsManager.recordError(MetricsStatisticsType.SYNC_ERROR);
+            return false;
+        }
+        return true;
+    }
+    
+    @Override
+    public boolean sync(TaskDO taskDO, Integer index) {
+        String taskId = taskDO.getTaskId();
+        try {
+            NamingService sourceNamingService = nacosServerHolder.get(taskDO.getSourceClusterId());
+            allSyncTaskMap.put(taskId, taskDO);
+            //防止暂停同步任务后,重新同步/或删除任务以后新建任务不会再接收到新的事件导致不能同步,所以每次订阅事件之前,先全量同步一次任务
+            doSync(taskId, taskDO, sourceNamingService);
+            this.listenerMap.putIfAbsent(taskId, event -> {
+                if (event instanceof NamingEvent) {
+                    try {
+                        doSync(taskId, taskDO, sourceNamingService);
+                    } catch (Exception e) {
+                        log.error("event process fail, taskId:{}", taskId, e);
+                        metricsManager.recordError(MetricsStatisticsType.SYNC_ERROR);
+                    }
+                }
+            });
+            sourceNamingService.subscribe(taskDO.getServiceName(), getGroupNameOrDefault(taskDO.getGroupName()),
+                    listenerMap.get(taskId));
+        }catch (NacosException e) {
+            log.error("Nacos sync task process fail, taskId:{}", taskId, e);
+            metricsManager.recordError(MetricsStatisticsType.SYNC_ERROR);
+            return false;
+        } catch (Exception e) {
+            log.error("Unexpected error during sync task, taskId:{}", taskId, e);
+            metricsManager.recordError(MetricsStatisticsType.SYNC_ERROR);
+            return false;
+        }
+        return true;
+    }
+    
+    private void doSync(String taskId, TaskDO taskDO, NamingService sourceNamingService) throws Exception {
+        if (syncTaskTap.putIfAbsent(taskId, 1) != null) {
+            log.info("任务Id:{}上一个同步任务尚未结束", taskId);
+            return;
+        }
+        try {
+            // 直接从本地保存的serviceInfoMap中取订阅的服务实例
+            List<Instance> sourceInstances = sourceNamingService.getAllInstances(taskDO.getServiceName(),
+                    getGroupNameOrDefault(taskDO.getGroupName()), new ArrayList<>(), true);
+            // 先删除不存在的
+            this.removeInvalidInstance(taskDO, sourceInstances);
+            
+            // 同步实例
+            this.syncNewInstance(taskDO, sourceInstances);
+        } finally {
+            syncTaskTap.remove(taskId);
+        }
+    }
+    
+    private void syncNewInstance(TaskDO taskDO, List<Instance> sourceInstances) throws NacosException {
+        Set<String> latestSyncInstance = new TreeSet<>();
+        //再次添加新实例
+        String taskId = taskDO.getTaskId();
+        Set<String> instanceKeys = sourceInstanceSnapshot.get(taskId);
+        for (Instance instance : sourceInstances) {
+            if (needSync(instance.getMetadata())) {
+                String instanceKey = composeInstanceKey(instance.getIp(), instance.getPort());
+                if (CollectionUtils.isEmpty(instanceKeys) || !instanceKeys.contains(instanceKey)) {
+                    register(taskDO, instance);
+                }
+                latestSyncInstance.add(instanceKey);
+            }
+        }
+        
+        if (CollectionUtils.isNotEmpty(latestSyncInstance)) {
+            log.info("任务Id:{},已同步实例个数:{}", taskId, latestSyncInstance.size());
+            sourceInstanceSnapshot.put(taskId, latestSyncInstance);
+        } else {
+            // latestSyncInstance为空表示源集群中需要同步的所有实例（即非nacos-sync同步过来的实例）已经下线,清除本地持有快照
+            sourceInstanceSnapshot.remove(taskId);
+        }
+    }
+    
+    
+    private void removeInvalidInstance(TaskDO taskDO, List<Instance> sourceInstances) throws Exception {
+        String taskId = taskDO.getTaskId();
+        if (this.sourceInstanceSnapshot.containsKey(taskId)) {
+            Set<String> oldInstanceKeys = this.sourceInstanceSnapshot.get(taskId);
+            Set<String> newInstanceKeys = sourceInstances.stream()
+                    .map(instance -> composeInstanceKey(instance.getIp(), instance.getPort()))
+                    .collect(Collectors.toSet());
+            oldInstanceKeys.removeAll(newInstanceKeys);
+            if (CollectionUtils.isNotEmpty(oldInstanceKeys)) {
+                log.info("任务Id:{},移除无效同步实例:{}", taskId, oldInstanceKeys);
+                removeInvalidInstance(taskDO, oldInstanceKeys);
+            }
+        }
+    }
+    
+    @Override
+    public boolean needDelete(Map<String, String> destMetaData, TaskDO taskDO) {
+        return SyncService.super.needDelete(destMetaData, taskDO);
+    }
+    
+    @Override
+    public boolean needSync(Map<String, String> sourceMetaData) {
+        return SyncService.super.needSync(sourceMetaData);
+    }
+    
+    public abstract String composeInstanceKey(String ip, int port);
+    
+    public abstract void register(TaskDO taskDO, Instance instance);
+    
+    public abstract void deregisterInstance(TaskDO taskDO) throws Exception;
+    
+    public abstract void removeInvalidInstance(TaskDO taskDO, Set<String> invalidInstanceKeys) throws Exception;
+    
+}
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/impl/ConsulSyncToNacosServiceImpl.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/impl/ConsulSyncToNacosServiceImpl.java
@ -27,18 +27,22 @@ import com.alibaba.nacossync.extension.holder.NacosServerHolder;
 import com.alibaba.nacossync.monitor.MetricsManager;
 import com.alibaba.nacossync.pojo.model.TaskDO;
 import com.alibaba.nacossync.util.ConsulUtils;
+import com.alibaba.nacossync.util.NacosUtils;
 import com.ecwid.consul.v1.ConsulClient;
 import com.ecwid.consul.v1.QueryParams;
 import com.ecwid.consul.v1.Response;
 import com.ecwid.consul.v1.health.model.HealthService;
 import lombok.extern.slf4j.Slf4j;
-import org.springframework.beans.factory.annotation.Autowired;

-import java.util.*;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;

 /**
 * Consul 同步 Nacos
- * 
+ *
 * @author paderlol
 * @date: 2018-12-31 16:25
 */
@ -46,8 +50,7 @@ import java.util.*;
@NacosSyncService(sourceCluster = ClusterTypeEnum.CONSUL, destinationCluster = ClusterTypeEnum.NACOS)
 public class ConsulSyncToNacosServiceImpl implements SyncService {

-    @Autowired
-    private MetricsManager metricsManager;
+    private final MetricsManager metricsManager;

    private final ConsulServerHolder consulServerHolder;
    private final SkyWalkerCacheServices skyWalkerCacheServices;
@ -56,14 +59,15 @@ public class ConsulSyncToNacosServiceImpl implements SyncService {

    private final SpecialSyncEventBus specialSyncEventBus;

-    @Autowired
+    
    public ConsulSyncToNacosServiceImpl(ConsulServerHolder consulServerHolder,
        SkyWalkerCacheServices skyWalkerCacheServices, NacosServerHolder nacosServerHolder,
-        SpecialSyncEventBus specialSyncEventBus) {
+        SpecialSyncEventBus specialSyncEventBus, MetricsManager metricsManager) {
        this.consulServerHolder = consulServerHolder;
        this.skyWalkerCacheServices = skyWalkerCacheServices;
        this.nacosServerHolder = nacosServerHolder;
        this.specialSyncEventBus = specialSyncEventBus;
+        this.metricsManager = metricsManager;
    }

    @Override
@ -71,12 +75,15 @@ public class ConsulSyncToNacosServiceImpl implements SyncService {

        try {
            specialSyncEventBus.unsubscribe(taskDO);
-            NamingService destNamingService = nacosServerHolder.get(taskDO.getDestClusterId(), null);
-            List<Instance> allInstances = destNamingService.getAllInstances(taskDO.getServiceName());
+
+            NamingService destNamingService = nacosServerHolder.get(taskDO.getDestClusterId());
+            List<Instance> allInstances = destNamingService.getAllInstances(taskDO.getServiceName(),
+                NacosUtils.getGroupNameOrDefault(taskDO.getGroupName()));
            for (Instance instance : allInstances) {
                if (needDelete(instance.getMetadata(), taskDO)) {

-                    destNamingService.deregisterInstance(taskDO.getServiceName(), instance.getIp(), instance.getPort());
+                    destNamingService.deregisterInstance(taskDO.getServiceName(),
+                        NacosUtils.getGroupNameOrDefault(taskDO.getGroupName()), instance.getIp(), instance.getPort());
                }
            }

@ -89,17 +96,17 @@ public class ConsulSyncToNacosServiceImpl implements SyncService {
    }

    @Override
-    public boolean sync(TaskDO taskDO) {
+    public boolean sync(TaskDO taskDO, Integer index) {
        try {
-            ConsulClient consulClient = consulServerHolder.get(taskDO.getSourceClusterId(), null);
-            NamingService destNamingService = nacosServerHolder.get(taskDO.getDestClusterId(), null);
+            ConsulClient consulClient = consulServerHolder.get(taskDO.getSourceClusterId());
+            NamingService destNamingService = nacosServerHolder.get(taskDO.getDestClusterId());
            Response<List<HealthService>> response =
                consulClient.getHealthServices(taskDO.getServiceName(), true, QueryParams.DEFAULT);
            List<HealthService> healthServiceList = response.getValue();
            Set<String> instanceKeys = new HashSet<>();
            overrideAllInstance(taskDO, destNamingService, healthServiceList, instanceKeys);
            cleanAllOldInstance(taskDO, destNamingService, instanceKeys);
-            specialSyncEventBus.subscribe(taskDO, this::sync);
+            specialSyncEventBus.subscribe(taskDO, t->sync(t, index));
        } catch (Exception e) {
            log.error("Sync task from consul to nacos was failed, taskId:{}", taskDO.getTaskId(), e);
            metricsManager.recordError(MetricsStatisticsType.SYNC_ERROR);
@ -115,7 +122,8 @@ public class ConsulSyncToNacosServiceImpl implements SyncService {
            if (needDelete(instance.getMetadata(), taskDO)
                && !instanceKeys.contains(composeInstanceKey(instance.getIp(), instance.getPort()))) {

-                destNamingService.deregisterInstance(taskDO.getServiceName(), instance.getIp(), instance.getPort());
+                destNamingService.deregisterInstance(taskDO.getServiceName(),
+                    NacosUtils.getGroupNameOrDefault(taskDO.getGroupName()), instance.getIp(), instance.getPort());
            }
        }
    }
@ -125,6 +133,7 @@ public class ConsulSyncToNacosServiceImpl implements SyncService {
        for (HealthService healthService : healthServiceList) {
            if (needSync(ConsulUtils.transferMetadata(healthService.getService().getTags()))) {
                destNamingService.registerInstance(taskDO.getServiceName(),
+                    NacosUtils.getGroupNameOrDefault(taskDO.getGroupName()),
                    buildSyncInstance(healthService, taskDO));
                instanceKeys.add(composeInstanceKey(healthService.getService().getAddress(),
                    healthService.getService().getPort()));
@ -137,10 +146,10 @@ public class ConsulSyncToNacosServiceImpl implements SyncService {
        temp.setIp(instance.getService().getAddress());
        temp.setPort(instance.getService().getPort());
        Map<String, String> metaData = new HashMap<>(ConsulUtils.transferMetadata(instance.getService().getTags()));
-        metaData.put(SkyWalkerConstants.DEST_CLUSTERID_KEY, taskDO.getDestClusterId());
+        metaData.put(SkyWalkerConstants.DEST_CLUSTER_ID_KEY, taskDO.getDestClusterId());
        metaData.put(SkyWalkerConstants.SYNC_SOURCE_KEY,
            skyWalkerCacheServices.getClusterType(taskDO.getSourceClusterId()).getCode());
-        metaData.put(SkyWalkerConstants.SOURCE_CLUSTERID_KEY, taskDO.getSourceClusterId());
+        metaData.put(SkyWalkerConstants.SOURCE_CLUSTER_ID_KEY, taskDO.getSourceClusterId());
        temp.setMetadata(metaData);
        return temp;
    }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/impl/EurekaSyncToNacosServiceImpl.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/impl/EurekaSyncToNacosServiceImpl.java
@ -27,6 +27,7 @@ import com.alibaba.nacossync.extension.holder.EurekaServerHolder;
 import com.alibaba.nacossync.extension.holder.NacosServerHolder;
 import com.alibaba.nacossync.monitor.MetricsManager;
 import com.alibaba.nacossync.pojo.model.TaskDO;
+import com.alibaba.nacossync.util.NacosUtils;
 import com.netflix.appinfo.InstanceInfo;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
@ -38,7 +39,7 @@ import java.util.Map;

 /**
 * eureka
- * 
+ *
 * @author paderlol
 * @date: 2018-12-31 16:25
 */
@ -71,8 +72,10 @@ public class EurekaSyncToNacosServiceImpl implements SyncService {

        try {
            specialSyncEventBus.unsubscribe(taskDO);
-            EurekaNamingService eurekaNamingService = eurekaServerHolder.get(taskDO.getSourceClusterId(), null);
-            NamingService destNamingService = nacosServerHolder.get(taskDO.getDestClusterId(), null);
+
+            EurekaNamingService eurekaNamingService = eurekaServerHolder.get(taskDO.getSourceClusterId());
+            NamingService destNamingService = nacosServerHolder.get(taskDO.getDestClusterId());
+
            List<InstanceInfo> eurekaInstances = eurekaNamingService.getApplications(taskDO.getServiceName());
            deleteAllInstanceFromEureka(taskDO, destNamingService, eurekaInstances);

@ -85,12 +88,15 @@ public class EurekaSyncToNacosServiceImpl implements SyncService {
    }

    @Override
-    public boolean sync(TaskDO taskDO) {
+    public boolean sync(TaskDO taskDO,Integer index) {
        try {
-            EurekaNamingService eurekaNamingService = eurekaServerHolder.get(taskDO.getSourceClusterId(), null);
-            NamingService destNamingService = nacosServerHolder.get(taskDO.getDestClusterId(), null);
+
+            EurekaNamingService eurekaNamingService = eurekaServerHolder.get(taskDO.getSourceClusterId());
+            NamingService destNamingService = nacosServerHolder.get(taskDO.getDestClusterId());
+
            List<InstanceInfo> eurekaInstances = eurekaNamingService.getApplications(taskDO.getServiceName());
-            List<Instance> nacosInstances = destNamingService.getAllInstances(taskDO.getServiceName());
+            List<Instance> nacosInstances = destNamingService.getAllInstances(taskDO.getServiceName(),
+                NacosUtils.getGroupNameOrDefault(taskDO.getGroupName()));

            if (CollectionUtils.isEmpty(eurekaInstances)) {
                // Clear all instance from Nacos
@ -102,7 +108,7 @@ public class EurekaSyncToNacosServiceImpl implements SyncService {
                }
                addValidInstance(taskDO, destNamingService, eurekaInstances);
            }
-            specialSyncEventBus.subscribe(taskDO, this::sync);
+            specialSyncEventBus.subscribe(taskDO, t->sync(t, index));
        } catch (Exception e) {
            log.error("sync task from eureka to nacos was failed, taskId:{}", taskDO.getTaskId(), e);
            metricsManager.recordError(MetricsStatisticsType.SYNC_ERROR);
@ -117,18 +123,25 @@ public class EurekaSyncToNacosServiceImpl implements SyncService {
            if (needSync(instance.getMetadata())) {
                log.info("Add service instance from Eureka, serviceName={}, Ip={}, port={}",
                    instance.getAppName(), instance.getIPAddr(), instance.getPort());
-                destNamingService.registerInstance(taskDO.getServiceName(), buildSyncInstance(instance, taskDO));
+                destNamingService.registerInstance(taskDO.getServiceName(),
+                    NacosUtils.getGroupNameOrDefault(taskDO.getGroupName()), buildSyncInstance(instance,
+                        taskDO));
            }
        }
    }
-    
-    private void deleteAllInstanceFromEureka(TaskDO taskDO, NamingService destNamingService, List<InstanceInfo> eurekaInstances)
-            throws NacosException {
+
+    private void deleteAllInstanceFromEureka(TaskDO taskDO, NamingService destNamingService,
+        List<InstanceInfo> eurekaInstances)
+        throws NacosException {
+        if (CollectionUtils.isEmpty(eurekaInstances)) {
+            return;
+        }
        for (InstanceInfo instance : eurekaInstances) {
            if (needSync(instance.getMetadata())) {
                log.info("Delete service instance from Eureka, serviceName={}, Ip={}, port={}",
-                        instance.getAppName(), instance.getIPAddr(), instance.getPort());
-                destNamingService.deregisterInstance(taskDO.getServiceName(), buildSyncInstance(instance, taskDO));
+                    instance.getAppName(), instance.getIPAddr(), instance.getPort());
+                destNamingService.deregisterInstance(taskDO.getServiceName(),
+                    NacosUtils.getGroupNameOrDefault(taskDO.getGroupName()), buildSyncInstance(instance, taskDO));
            }
        }
    }
@ -139,7 +152,8 @@ public class EurekaSyncToNacosServiceImpl implements SyncService {
            if (!isExistInEurekaInstance(eurekaInstances, instance) && needDelete(instance.getMetadata(), taskDO)) {
                log.info("Remove invalid service instance from Nacos, serviceName={}, Ip={}, port={}",
                    instance.getServiceName(), instance.getIp(), instance.getPort());
-                destNamingService.deregisterInstance(taskDO.getServiceName(), instance.getIp(), instance.getPort());
+                destNamingService.deregisterInstance(taskDO.getServiceName(),
+                    NacosUtils.getGroupNameOrDefault(taskDO.getGroupName()), instance.getIp(), instance.getPort());
            }
        }
    }
@ -154,7 +168,8 @@ public class EurekaSyncToNacosServiceImpl implements SyncService {
        throws NacosException {
        for (Instance instance : allInstances) {
            if (needDelete(instance.getMetadata(), taskDO)) {
-                destNamingService.deregisterInstance(taskDO.getServiceName(), instance);
+                destNamingService.deregisterInstance(taskDO.getServiceName(),
+                    NacosUtils.getGroupNameOrDefault(taskDO.getGroupName()), instance);
            }

        }
@ -168,10 +183,10 @@ public class EurekaSyncToNacosServiceImpl implements SyncService {
        temp.setHealthy(true);

        Map<String, String> metaData = new HashMap<>(instance.getMetadata());
-        metaData.put(SkyWalkerConstants.DEST_CLUSTERID_KEY, taskDO.getDestClusterId());
+        metaData.put(SkyWalkerConstants.DEST_CLUSTER_ID_KEY, taskDO.getDestClusterId());
        metaData.put(SkyWalkerConstants.SYNC_SOURCE_KEY,
            skyWalkerCacheServices.getClusterType(taskDO.getSourceClusterId()).getCode());
-        metaData.put(SkyWalkerConstants.SOURCE_CLUSTERID_KEY, taskDO.getSourceClusterId());
+        metaData.put(SkyWalkerConstants.SOURCE_CLUSTER_ID_KEY, taskDO.getSourceClusterId());
        temp.setMetadata(metaData);
        return temp;
    }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/impl/NacosSyncToConsulServiceImpl.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/impl/NacosSyncToConsulServiceImpl.java
@ -10,21 +10,15 @@
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 */
+
 package com.alibaba.nacossync.extension.impl;

-import com.alibaba.nacos.api.naming.NamingService;
-import com.alibaba.nacos.api.naming.listener.EventListener;
-import com.alibaba.nacos.api.naming.listener.NamingEvent;
 import com.alibaba.nacos.api.naming.pojo.Instance;
 import com.alibaba.nacossync.cache.SkyWalkerCacheServices;
 import com.alibaba.nacossync.constant.ClusterTypeEnum;
-import com.alibaba.nacossync.constant.MetricsStatisticsType;
 import com.alibaba.nacossync.constant.SkyWalkerConstants;
-import com.alibaba.nacossync.extension.SyncService;
 import com.alibaba.nacossync.extension.annotation.NacosSyncService;
 import com.alibaba.nacossync.extension.holder.ConsulServerHolder;
-import com.alibaba.nacossync.extension.holder.NacosServerHolder;
-import com.alibaba.nacossync.monitor.MetricsManager;
 import com.alibaba.nacossync.pojo.model.TaskDO;
 import com.alibaba.nacossync.util.ConsulUtils;
 import com.ecwid.consul.v1.ConsulClient;
@ -33,15 +27,13 @@ import com.ecwid.consul.v1.Response;
 import com.ecwid.consul.v1.agent.model.NewService;
 import com.ecwid.consul.v1.health.model.HealthService;
 import com.google.common.collect.Lists;
-import java.net.URLEncoder;
-import java.nio.charset.StandardCharsets;
 import lombok.extern.slf4j.Slf4j;

-import java.util.HashSet;
+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
 import java.util.List;
-import java.util.Map;
 import java.util.Set;
-import java.util.concurrent.ConcurrentHashMap;
 import java.util.stream.Collectors;

 /**
@ -49,107 +41,66 @@ import java.util.stream.Collectors;
 */
@Slf4j
@NacosSyncService(sourceCluster = ClusterTypeEnum.NACOS, destinationCluster = ClusterTypeEnum.CONSUL)
-public class NacosSyncToConsulServiceImpl implements SyncService {
-    private Map<String, EventListener> nacosListenerMap = new ConcurrentHashMap<>();
-
-    private final MetricsManager metricsManager;
-
+public class NacosSyncToConsulServiceImpl extends AbstractNacosSync {
+    
+    
+    private static final String DELIMITER = "=";
+    
    private final SkyWalkerCacheServices skyWalkerCacheServices;
-
-    private final NacosServerHolder nacosServerHolder;
+    
    private final ConsulServerHolder consulServerHolder;
-
-    public NacosSyncToConsulServiceImpl(MetricsManager metricsManager, SkyWalkerCacheServices skyWalkerCacheServices,
-        NacosServerHolder nacosServerHolder, ConsulServerHolder consulServerHolder) {
-        this.metricsManager = metricsManager;
+    
+    public NacosSyncToConsulServiceImpl(SkyWalkerCacheServices skyWalkerCacheServices,
+            ConsulServerHolder consulServerHolder) {
        this.skyWalkerCacheServices = skyWalkerCacheServices;
-        this.nacosServerHolder = nacosServerHolder;
        this.consulServerHolder = consulServerHolder;
    }
-
+    
+    
    @Override
-    public boolean delete(TaskDO taskDO) {
-        try {
-
-            NamingService sourceNamingService =
-                nacosServerHolder.get(taskDO.getSourceClusterId(), taskDO.getGroupName());
-            ConsulClient consulClient = consulServerHolder.get(taskDO.getDestClusterId(), taskDO.getGroupName());
-
-            sourceNamingService.unsubscribe(taskDO.getServiceName(), nacosListenerMap.get(taskDO.getTaskId()));
-
-            // 删除目标集群中同步的实例列表
-            Response<List<HealthService>> serviceResponse =
-                consulClient.getHealthServices(taskDO.getServiceName(), true, QueryParams.DEFAULT);
-            List<HealthService> healthServices = serviceResponse.getValue();
-            for (HealthService healthService : healthServices) {
-
-                if (needDelete(ConsulUtils.transferMetadata(healthService.getService().getTags()), taskDO)) {
-                    consulClient.agentServiceDeregister(URLEncoder
-                            .encode(healthService.getService().getId(), StandardCharsets.UTF_8.name()));
-                }
+    public String composeInstanceKey(String ip, int port) {
+        return String.join(":", ip, String.valueOf(port));
+    }
+    
+    @Override
+    public void register(TaskDO taskDO, Instance instance) {
+        ConsulClient consulClient = consulServerHolder.get(taskDO.getDestClusterId());
+        consulClient.agentServiceRegister(buildSyncInstance(instance, taskDO));
+    }
+    
+    @Override
+    public void deregisterInstance(TaskDO taskDO) throws Exception {
+        ConsulClient consulClient = consulServerHolder.get(taskDO.getDestClusterId());
+        Response<List<HealthService>> serviceResponse = consulClient.getHealthServices(taskDO.getServiceName(), true,
+                QueryParams.DEFAULT);
+        List<HealthService> healthServices = serviceResponse.getValue();
+        for (HealthService healthService : healthServices) {
+            
+            if (needDelete(ConsulUtils.transferMetadata(healthService.getService().getTags()), taskDO)) {
+                consulClient.agentServiceDeregister(
+                        URLEncoder.encode(healthService.getService().getId(), StandardCharsets.UTF_8));
            }
-        } catch (Exception e) {
-            log.error("delete a task from nacos to nacos was failed, taskId:{}", taskDO.getTaskId(), e);
-            metricsManager.recordError(MetricsStatisticsType.DELETE_ERROR);
-            return false;
        }
-        return true;
    }
-
+    
    @Override
-    public boolean sync(TaskDO taskDO) {
-        try {
-            NamingService sourceNamingService =
-                nacosServerHolder.get(taskDO.getSourceClusterId(), taskDO.getGroupName());
-            ConsulClient consulClient = consulServerHolder.get(taskDO.getDestClusterId(), taskDO.getGroupName());
-
-            nacosListenerMap.putIfAbsent(taskDO.getTaskId(), event -> {
-                if (event instanceof NamingEvent) {
-                    try {
-                        Set<String> instanceKeySet = new HashSet();
-                        List<Instance> sourceInstances = sourceNamingService.getAllInstances(taskDO.getServiceName());
-                        // 先将新的注册一遍
-                        for (Instance instance : sourceInstances) {
-                            if (needSync(instance.getMetadata())) {
-                                consulClient.agentServiceRegister(buildSyncInstance(instance, taskDO));
-                                instance.getInstanceId();
-                                instanceKeySet.add(composeInstanceKey(instance.getIp(), instance.getPort()));
-                            }
-                        }
-
-                        // 再将不存在的删掉
-                        Response<List<HealthService>> serviceResponse =
-                            consulClient.getHealthServices(taskDO.getServiceName(), true, QueryParams.DEFAULT);
-                        List<HealthService> healthServices = serviceResponse.getValue();
-                        for (HealthService healthService : healthServices) {
-
-                            if (needDelete(ConsulUtils.transferMetadata(healthService.getService().getTags()), taskDO)
-                                && !instanceKeySet.contains(composeInstanceKey(healthService.getService().getAddress(),
-                                    healthService.getService().getPort()))) {
-                                consulClient.agentServiceDeregister(URLEncoder
-                                    .encode(healthService.getService().getId(), StandardCharsets.UTF_8.toString()));
-                            }
-                        }
-                    } catch (Exception e) {
-                        log.error("event process fail, taskId:{}", taskDO.getTaskId(), e);
-                        metricsManager.recordError(MetricsStatisticsType.SYNC_ERROR);
-                    }
-                }
-            });
-
-            sourceNamingService.subscribe(taskDO.getServiceName(), nacosListenerMap.get(taskDO.getTaskId()));
-        } catch (Exception e) {
-            log.error("sync task from nacos to nacos was failed, taskId:{}", taskDO.getTaskId(), e);
-            metricsManager.recordError(MetricsStatisticsType.SYNC_ERROR);
-            return false;
+    public void removeInvalidInstance(TaskDO taskDO, Set<String> invalidInstanceKeys)
+            throws UnsupportedEncodingException {
+        ConsulClient consulClient = consulServerHolder.get(taskDO.getDestClusterId());
+        Response<List<HealthService>> serviceResponse = consulClient.getHealthServices(taskDO.getServiceName(), true,
+                QueryParams.DEFAULT);
+        List<HealthService> healthServices = serviceResponse.getValue();
+        for (HealthService healthService : healthServices) {
+            
+            if (needDelete(ConsulUtils.transferMetadata(healthService.getService().getTags()), taskDO)
+                    && !invalidInstanceKeys.contains(composeInstanceKey(healthService.getService().getAddress(),
+                    healthService.getService().getPort()))) {
+                consulClient.agentServiceDeregister(
+                        URLEncoder.encode(healthService.getService().getId(), StandardCharsets.UTF_8));
+            }
        }
-        return true;
    }
-
-    private String composeInstanceKey(String ip, int port) {
-        return ip + ":" + port;
-    }
-
+    
    public NewService buildSyncInstance(Instance instance, TaskDO taskDO) {
        NewService newService = new NewService();
        newService.setAddress(instance.getIp());
@ -158,13 +109,13 @@ public class NacosSyncToConsulServiceImpl implements SyncService {
        newService.setId(instance.getInstanceId());
        List<String> tags = Lists.newArrayList();
        tags.addAll(instance.getMetadata().entrySet().stream()
-            .map(entry -> String.join("=", entry.getKey(), entry.getValue())).collect(Collectors.toList()));
-        tags.add(String.join("=", SkyWalkerConstants.DEST_CLUSTERID_KEY, taskDO.getDestClusterId()));
-        tags.add(String.join("=", SkyWalkerConstants.SYNC_SOURCE_KEY,
-            skyWalkerCacheServices.getClusterType(taskDO.getSourceClusterId()).getCode()));
-        tags.add(String.join("=", SkyWalkerConstants.SOURCE_CLUSTERID_KEY, taskDO.getSourceClusterId()));
+                .map(entry -> String.join(DELIMITER, entry.getKey(), entry.getValue())).collect(Collectors.toList()));
+        tags.add(String.join(DELIMITER, SkyWalkerConstants.DEST_CLUSTER_ID_KEY, taskDO.getDestClusterId()));
+        tags.add(String.join(DELIMITER, SkyWalkerConstants.SYNC_SOURCE_KEY,
+                skyWalkerCacheServices.getClusterType(taskDO.getSourceClusterId()).getCode()));
+        tags.add(String.join(DELIMITER, SkyWalkerConstants.SOURCE_CLUSTER_ID_KEY, taskDO.getSourceClusterId()));
        newService.setTags(tags);
        return newService;
    }
-
+    
 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/impl/NacosSyncToEurekaServiceImpl.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/impl/NacosSyncToEurekaServiceImpl.java
@ -10,23 +10,17 @@
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 */
+
 package com.alibaba.nacossync.extension.impl;

-import com.alibaba.nacos.api.naming.NamingService;
-import com.alibaba.nacos.api.naming.listener.Event;
-import com.alibaba.nacos.api.naming.listener.EventListener;
-import com.alibaba.nacos.api.naming.listener.NamingEvent;
 import com.alibaba.nacos.api.naming.pojo.Instance;
+import com.alibaba.nacos.common.utils.CollectionUtils;
 import com.alibaba.nacossync.cache.SkyWalkerCacheServices;
 import com.alibaba.nacossync.constant.ClusterTypeEnum;
-import com.alibaba.nacossync.constant.MetricsStatisticsType;
 import com.alibaba.nacossync.constant.SkyWalkerConstants;
-import com.alibaba.nacossync.extension.SyncService;
 import com.alibaba.nacossync.extension.annotation.NacosSyncService;
 import com.alibaba.nacossync.extension.eureka.EurekaNamingService;
 import com.alibaba.nacossync.extension.holder.EurekaServerHolder;
-import com.alibaba.nacossync.extension.holder.NacosServerHolder;
-import com.alibaba.nacossync.monitor.MetricsManager;
 import com.alibaba.nacossync.pojo.model.TaskDO;
 import com.netflix.appinfo.DataCenterInfo;
 import com.netflix.appinfo.InstanceInfo;
@ -34,171 +28,96 @@ import com.netflix.appinfo.LeaseInfo;
 import com.netflix.appinfo.MyDataCenterInfo;
 import lombok.extern.slf4j.Slf4j;

-import java.util.*;
-import java.util.concurrent.ConcurrentHashMap;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;

 /**
 * @author zhanglong
 */
@Slf4j
@NacosSyncService(sourceCluster = ClusterTypeEnum.NACOS, destinationCluster = ClusterTypeEnum.EUREKA)
-public class NacosSyncToEurekaServiceImpl implements SyncService {
-    private final Map<String, EventListener> nacosListenerMap = new ConcurrentHashMap<>();
-
-    private final MetricsManager metricsManager;
-    private final SkyWalkerCacheServices skyWalkerCacheServices;
-    private final NacosServerHolder nacosServerHolder;
+public class NacosSyncToEurekaServiceImpl extends AbstractNacosSync {
+    
+    
    private final EurekaServerHolder eurekaServerHolder;
-
-    public NacosSyncToEurekaServiceImpl(MetricsManager metricsManager, SkyWalkerCacheServices skyWalkerCacheServices,
-                                        NacosServerHolder nacosServerHolder, EurekaServerHolder eurekaServerHolder) {
-        this.metricsManager = metricsManager;
-        this.skyWalkerCacheServices = skyWalkerCacheServices;
-        this.nacosServerHolder = nacosServerHolder;
+    
+    private final SkyWalkerCacheServices skyWalkerCacheServices;
+    
+    public NacosSyncToEurekaServiceImpl(EurekaServerHolder eurekaServerHolder,
+            SkyWalkerCacheServices skyWalkerCacheServices) {
        this.eurekaServerHolder = eurekaServerHolder;
+        this.skyWalkerCacheServices = skyWalkerCacheServices;
    }
-
+    
+    
    @Override
-    public boolean delete(TaskDO taskDO) {
-        try {
-            NamingService sourceNamingService =
-                    nacosServerHolder.get(taskDO.getSourceClusterId(), taskDO.getGroupName());
-            EurekaNamingService destNamingService =
-                    eurekaServerHolder.get(taskDO.getDestClusterId(), taskDO.getGroupName());
-
-            sourceNamingService.unsubscribe(taskDO.getServiceName(), nacosListenerMap.get(taskDO.getTaskId()));
-            // 删除目标集群中同步的实例列表
-            List<InstanceInfo> allInstances = destNamingService.getApplications(taskDO.getServiceName());
-            if (allInstances != null) {
-                for (InstanceInfo instance : allInstances) {
-                    if (needDelete(instance.getMetadata(), taskDO)) {
-                        destNamingService.deregisterInstance(instance);
-                    }
-                }
-            }
-        } catch (Exception e) {
-            log.error("delete task from nacos to eureka was failed, taskId:{}", taskDO.getTaskId(), e);
-            metricsManager.recordError(MetricsStatisticsType.DELETE_ERROR);
-            return false;
-        }
-        return true;
-    }
-
-    @Override
-    public boolean sync(TaskDO taskDO) {
-        try {
-            NamingService sourceNamingService =
-                    nacosServerHolder.get(taskDO.getSourceClusterId(), taskDO.getGroupName());
-            EurekaNamingService destNamingService =
-                    eurekaServerHolder.get(taskDO.getDestClusterId(), taskDO.getGroupName());
-
-            nacosListenerMap.putIfAbsent(taskDO.getTaskId(), event -> {
-                processNamingEvent(taskDO, sourceNamingService, destNamingService, event);
-            });
-
-            sourceNamingService.subscribe(taskDO.getServiceName(), nacosListenerMap.get(taskDO.getTaskId()));
-        } catch (Exception e) {
-            log.error("sync task from eureka to nacos was failed, taskId:{}", taskDO.getTaskId(), e);
-            metricsManager.recordError(MetricsStatisticsType.SYNC_ERROR);
-            return false;
-        }
-        return true;
-    }
-
-    private void processNamingEvent(TaskDO taskDO, NamingService sourceNamingService,
-        EurekaNamingService destNamingService, Event event) {
-        if (event instanceof NamingEvent) {
-            try {
-                Set<String> instanceKeySet = new HashSet<>();
-                List<Instance> sourceInstances = sourceNamingService.getAllInstances(taskDO.getServiceName());
-                // 先将新的注册一遍
-                addAllNewInstance(taskDO, destNamingService, instanceKeySet, sourceInstances);
-                // 再将不存在的删掉
-                ifNecessaryDelete(taskDO, destNamingService, instanceKeySet);
-            } catch (Exception e) {
-                log.error("event process fail, taskId:{}", taskDO.getTaskId(), e);
-                metricsManager.recordError(MetricsStatisticsType.SYNC_ERROR);
-            }
-        }
-    }
-
-    private void ifNecessaryDelete(TaskDO taskDO, EurekaNamingService destNamingService, Set<String> instanceKeySet) {
-        List<InstanceInfo> allInstances = destNamingService.getApplications(taskDO.getServiceName());
-        if (allInstances != null){
-            for (InstanceInfo instance : allInstances) {
-                if (needDelete(instance.getMetadata(), taskDO) && !instanceKeySet.contains(composeInstanceKey(instance.getIPAddr(),
-                        instance.getPort()))) {
-                    destNamingService.deregisterInstance(instance);
-                }
-
-            }
-        }
-    }
-
-    private void addAllNewInstance(TaskDO taskDO, EurekaNamingService destNamingService, Set<String> instanceKeySet,
-        List<Instance> sourceInstances) {
-        for (Instance instance : sourceInstances) {
-            if (needSync(instance.getMetadata())) {
-                destNamingService.registerInstance(buildSyncInstance(instance, taskDO));
-                instanceKeySet.add(composeInstanceKey(instance.getIp(), instance.getPort()));
-            }
-        }
-    }
-
-    private String composeInstanceKey(String ip, int port) {
+    public String composeInstanceKey(String ip, int port) {
        return ip + ":" + port;
    }
-
+    
+    @Override
+    public void register(TaskDO taskDO, Instance instance) {
+        EurekaNamingService destNamingService = eurekaServerHolder.get(taskDO.getDestClusterId());
+        destNamingService.registerInstance(buildSyncInstance(instance, taskDO));
+    }
+    
+    @Override
+    public void deregisterInstance(TaskDO taskDO) {
+        EurekaNamingService destNamingService = eurekaServerHolder.get(taskDO.getDestClusterId());
+        List<InstanceInfo> allInstances = destNamingService.getApplications(taskDO.getServiceName());
+        if (allInstances != null) {
+            for (InstanceInfo instance : allInstances) {
+                if (needDelete(instance.getMetadata(), taskDO)) {
+                    destNamingService.deregisterInstance(instance);
+                }
+            }
+        }
+    }
+    
+    @Override
+    public void removeInvalidInstance(TaskDO taskDO, Set<String> invalidInstanceKeys) {
+        EurekaNamingService destNamingService = eurekaServerHolder.get(taskDO.getDestClusterId());
+        List<InstanceInfo> allInstances = destNamingService.getApplications(taskDO.getServiceName());
+        if (CollectionUtils.isNotEmpty(allInstances)) {
+            for (InstanceInfo instance : allInstances) {
+                if (needDelete(instance.getMetadata(), taskDO) && invalidInstanceKeys.contains(
+                        composeInstanceKey(instance.getIPAddr(), instance.getPort()))) {
+                    destNamingService.deregisterInstance(instance);
+                }
+            }
+        }
+    }
+    
+    
    private InstanceInfo buildSyncInstance(Instance instance, TaskDO taskDO) {
        DataCenterInfo dataCenterInfo = new MyDataCenterInfo(DataCenterInfo.Name.MyOwn);
        final Map<String, String> instanceMetadata = instance.getMetadata();
        HashMap<String, String> metadata = new HashMap<>(16);
-        metadata.put(SkyWalkerConstants.DEST_CLUSTERID_KEY, taskDO.getDestClusterId());
-        metadata.put(SkyWalkerConstants.SYNC_SOURCE_KEY, skyWalkerCacheServices.getClusterType(taskDO.getSourceClusterId()).getCode());
-        metadata.put(SkyWalkerConstants.SOURCE_CLUSTERID_KEY, taskDO.getSourceClusterId());
+        metadata.put(SkyWalkerConstants.DEST_CLUSTER_ID_KEY, taskDO.getDestClusterId());
+        metadata.put(SkyWalkerConstants.SYNC_SOURCE_KEY,
+                skyWalkerCacheServices.getClusterType(taskDO.getSourceClusterId()).getCode());
+        metadata.put(SkyWalkerConstants.SOURCE_CLUSTER_ID_KEY, taskDO.getSourceClusterId());
        metadata.putAll(instanceMetadata);
        String homePageUrl = obtainHomePageUrl(instance, instanceMetadata);
        String serviceName = taskDO.getServiceName();
-
-        return new InstanceInfo(
-                instance.getIp() + ":" + serviceName + ":" + instance.getPort(),
-                serviceName,
-                null,
-                instance.getIp(),
-                null,
-                new InstanceInfo.PortWrapper(true, instance.getPort()),
-                null,
-                homePageUrl+"/actuator/env",
-                homePageUrl + "/actuator/info",
-                homePageUrl + "/actuator/health",
-                null,
-                serviceName,
-                serviceName,
-                1,
-                dataCenterInfo,
-                instance.getIp(),
-                InstanceInfo.InstanceStatus.UP,
-                InstanceInfo.InstanceStatus.UNKNOWN,
-                null,
-                new LeaseInfo(30, 90,
-                        0L, 0L, 0L, 0L, 0L),
-                false,
-                metadata,
-                System.currentTimeMillis(),
-                System.currentTimeMillis(),
-                null,
-                null
-        );
+        
+        return new InstanceInfo(instance.getIp() + ":" + serviceName + ":" + instance.getPort(), serviceName, null,
+                instance.getIp(), null, new InstanceInfo.PortWrapper(true, instance.getPort()), null,
+                homePageUrl + "/actuator/env", homePageUrl + "/actuator/info", homePageUrl + "/actuator/health", null,
+                serviceName, serviceName, 1, dataCenterInfo, instance.getIp(), InstanceInfo.InstanceStatus.UP,
+                InstanceInfo.InstanceStatus.UNKNOWN, null, new LeaseInfo(30, 90, 0L, 0L, 0L, 0L, 0L), false, metadata,
+                System.currentTimeMillis(), System.currentTimeMillis(), null, null);
    }
-
+    
    private String obtainHomePageUrl(Instance instance, Map<String, String> instanceMetadata) {
-        final String managementContextPath =
-            obtainManagementContextPath(instanceMetadata);
+        final String managementContextPath = obtainManagementContextPath(instanceMetadata);
        final String managementPort = instanceMetadata.getOrDefault(SkyWalkerConstants.MANAGEMENT_PORT_KEY,
-            String.valueOf(instance.getPort()));
-        return String.format("http://%s:%s%s",instance.getIp(),managementPort,managementContextPath);
+                String.valueOf(instance.getPort()));
+        return String.format("http://%s:%s%s", instance.getIp(), managementPort, managementContextPath);
    }
-
+    
    private String obtainManagementContextPath(Map<String, String> instanceMetadata) {
        final String path = instanceMetadata.getOrDefault(SkyWalkerConstants.MANAGEMENT_CONTEXT_PATH_KEY, "");
        if (path.endsWith("/")) {
@ -206,7 +125,6 @@ public class NacosSyncToEurekaServiceImpl implements SyncService {
        }
        return path;
    }
-
-
-
+    
+    
 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/impl/NacosSyncToNacosServiceImpl.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/impl/NacosSyncToNacosServiceImpl.java
@ -10,6 +10,7 @@
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 */
+
 package com.alibaba.nacossync.extension.impl;

 import com.alibaba.nacos.api.exception.NacosException;
@ -22,23 +23,32 @@ import com.alibaba.nacossync.cache.SkyWalkerCacheServices;
 import com.alibaba.nacossync.constant.ClusterTypeEnum;
 import com.alibaba.nacossync.constant.MetricsStatisticsType;
 import com.alibaba.nacossync.constant.SkyWalkerConstants;
+import com.alibaba.nacossync.dao.ClusterAccessService;
 import com.alibaba.nacossync.extension.SyncService;
 import com.alibaba.nacossync.extension.annotation.NacosSyncService;
 import com.alibaba.nacossync.extension.holder.NacosServerHolder;
 import com.alibaba.nacossync.monitor.MetricsManager;
 import com.alibaba.nacossync.pojo.model.TaskDO;
-import com.alibaba.nacossync.util.Collections;
+import com.alibaba.nacossync.util.BatchTaskExecutor;
+import com.alibaba.nacossync.util.StringUtils;
+import com.google.common.base.Stopwatch;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.DisposableBean;
+import org.springframework.beans.factory.InitializingBean;
+
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.Set;
-import java.util.TreeSet;
 import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
 import java.util.stream.Collectors;
-import lombok.extern.slf4j.Slf4j;
-import org.springframework.beans.factory.annotation.Autowired;
+
+import static com.alibaba.nacossync.constant.SkyWalkerConstants.SOURCE_CLUSTER_ID_KEY;
+import static com.alibaba.nacossync.util.NacosUtils.getGroupNameOrDefault;

 /**
 * @author yangyshdan
@ -47,91 +57,173 @@ import org.springframework.beans.factory.annotation.Autowired;

@Slf4j
@NacosSyncService(sourceCluster = ClusterTypeEnum.NACOS, destinationCluster = ClusterTypeEnum.NACOS)
-public class NacosSyncToNacosServiceImpl implements SyncService {
-
-    private Map<String, EventListener> listenerMap = new ConcurrentHashMap<>();
-
-    private final Map<String, Set<String>> sourceInstanceSnapshot = new ConcurrentHashMap<>();
-
-    @Autowired
-    private MetricsManager metricsManager;
-
-    @Autowired
-    private SkyWalkerCacheServices skyWalkerCacheServices;
-
-    @Autowired
-    private NacosServerHolder nacosServerHolder;
-
+public class NacosSyncToNacosServiceImpl implements SyncService, InitializingBean, DisposableBean {
+    
+    private final Map<String, EventListener> listenerMap = new ConcurrentHashMap<>();
+    
+    private final Map<String, Integer> syncTaskTap = new ConcurrentHashMap<>();
+    
+    private final ConcurrentHashMap<String, TaskDO> allSyncTaskMap = new ConcurrentHashMap<>();
+    
+    private ScheduledExecutorService executorService;
+    
+    private final MetricsManager metricsManager;
+    
+    private final NacosServerHolder nacosServerHolder;
+    
+    private final ClusterAccessService clusterAccessService;
+    
+    private final SkyWalkerCacheServices skyWalkerCacheServices;
+    
+    public NacosSyncToNacosServiceImpl(MetricsManager metricsManager, NacosServerHolder nacosServerHolder,
+            ClusterAccessService clusterAccessService, SkyWalkerCacheServices skyWalkerCacheServices) {
+        this.metricsManager = metricsManager;
+        this.nacosServerHolder = nacosServerHolder;
+        this.clusterAccessService = clusterAccessService;
+        this.skyWalkerCacheServices = skyWalkerCacheServices;
+    }
+    
+    /**
+     * Due to network issues or other reasons, the Nacos Sync synchronization tasks may fail,
+     * resulting in the target cluster's registry missing synchronized instances.
+     * To prevent the target cluster's registry from missing synchronized instances for an extended period,
+     * a fallback worker thread is started every 5 minutes to execute all synchronization tasks.
+     */
+    @Override
+    public void afterPropertiesSet() {
+        initializeExecutorService();
+        scheduleSyncTasks();
+    }
+    
+    @Override
+    public void destroy() {
+        if (executorService != null && !executorService.isShutdown()) {
+            executorService.shutdown();
+            try {
+                if (!executorService.awaitTermination(60, TimeUnit.SECONDS)) {
+                    executorService.shutdownNow();
+                }
+            } catch (InterruptedException e) {
+                executorService.shutdownNow();
+                Thread.currentThread().interrupt();
+            }
+        }
+    }
+    
+    private void initializeExecutorService() {
+        executorService = Executors.newSingleThreadScheduledExecutor(r -> {
+            Thread t = new Thread(r);
+            t.setDaemon(true);
+            t.setName("com.alibaba.nacossync.basic.synctask");
+            return t;
+        });
+    }
+    
+    private void scheduleSyncTasks() {
+        executorService.scheduleWithFixedDelay(this::executeSyncTasks, 0, 300, TimeUnit.SECONDS);
+    }
+    
+    private void executeSyncTasks() {
+        if (allSyncTaskMap.isEmpty()) {
+            return;
+        }
+        
+        Collection<TaskDO> taskCollections = allSyncTaskMap.values();
+        List<TaskDO> taskDOList = new ArrayList<>(taskCollections);
+        
+        if (CollectionUtils.isNotEmpty(taskDOList)) {
+            BatchTaskExecutor.batchOperation(taskDOList, this::executeTask);
+        }
+    }
+    
+    private void executeTask(TaskDO task) {
+        Stopwatch stopwatch = Stopwatch.createStarted();
+        String taskId = task.getTaskId();
+        try {
+            NamingService sourceNamingService = nacosServerHolder.get(task.getSourceClusterId());
+            NamingService destNamingService = nacosServerHolder.get(task.getDestClusterId());
+            doSync(taskId, task, sourceNamingService, destNamingService);
+        } catch (NacosException e) {
+            log.error("sync task from nacos to nacos failed, taskId:{}", taskId, e);
+            metricsManager.recordError(MetricsStatisticsType.SYNC_ERROR);
+        } catch (Exception e) {
+            log.error("Unexpected error during sync task, taskId:{}", taskId, e);
+            metricsManager.recordError(MetricsStatisticsType.SYNC_ERROR);
+        } finally {
+            stopwatch.stop();
+            log.debug("Task execution time for taskId {}: {} ms", taskId, stopwatch.elapsed(TimeUnit.MILLISECONDS));
+        }
+    }
+    
    @Override
    public boolean delete(TaskDO taskDO) {
        try {
-
-            NamingService sourceNamingService =
-                nacosServerHolder.get(taskDO.getSourceClusterId(), taskDO.getGroupName());
-            NamingService destNamingService = nacosServerHolder.get(taskDO.getDestClusterId(), taskDO.getGroupName());
-            //移除订阅
-            sourceNamingService.unsubscribe(taskDO.getServiceName(), listenerMap.remove(taskDO.getTaskId()));
-            sourceInstanceSnapshot.remove(taskDO.getTaskId());
-
-            // 删除目标集群中同步的实例列表
+            NamingService sourceNamingService = nacosServerHolder.get(taskDO.getSourceClusterId());
+            int level = clusterAccessService.findClusterLevel(taskDO.getSourceClusterId());
+            String taskId = taskDO.getTaskId();
+            
+            //Handle individual service
+            if (StringUtils.isEmpty(taskId)) {
+                log.warn("taskId is null data synchronization is not currently performed.{}", taskId);
+                return false;
+            }
+            EventListener listener = listenerMap.remove(taskId);
+            if (listener!= null) {
+                sourceNamingService.unsubscribe(taskDO.getServiceName(), getGroupNameOrDefault(taskDO.getGroupName()), listener);
+            }
            List<Instance> sourceInstances = sourceNamingService.getAllInstances(taskDO.getServiceName(),
-                new ArrayList<>(), false);
+                    getGroupNameOrDefault(taskDO.getGroupName()), new ArrayList<>(), false);
+            
+            NamingService destNamingService = nacosServerHolder.get(taskDO.getDestClusterId());
            for (Instance instance : sourceInstances) {
-                if (needSync(instance.getMetadata())) {
-                    destNamingService.deregisterInstance(taskDO.getServiceName(), instance.getIp(), instance.getPort());
+                if (needSync(instance.getMetadata(), level, taskDO.getDestClusterId())) {
+                    destNamingService.deregisterInstance(taskDO.getServiceName(),
+                            getGroupNameOrDefault(taskDO.getGroupName()), instance);
                }
            }
+            // Remove all tasks that need to be synchronized.
+            allSyncTaskMap.remove(taskId);
+            
        } catch (Exception e) {
-            log.error("delete task from nacos to nacos was failed, taskId:{}", taskDO.getTaskId(), e);
+            log.error("delete task from nacos to nacos was failed, operationalId:{}", taskDO.getOperationId(), e);
            metricsManager.recordError(MetricsStatisticsType.DELETE_ERROR);
            return false;
        }
        return true;
    }
-
+    
    @Override
-    public boolean sync(TaskDO taskDO) {
+    public boolean sync(TaskDO taskDO, Integer index) {
+        log.info("Thread {} started synchronization at {}", Thread.currentThread().getId(), System.currentTimeMillis());
        String taskId = taskDO.getTaskId();
        try {
-            NamingService sourceNamingService =
-                nacosServerHolder.get(taskDO.getSourceClusterId(), taskDO.getGroupName());
-            NamingService destNamingService = nacosServerHolder.get(taskDO.getDestClusterId(), taskDO.getGroupName());
-
+            NamingService sourceNamingService = nacosServerHolder.get(taskDO.getSourceClusterId());
+            NamingService destNamingService = nacosServerHolder.get(taskDO.getDestClusterId());
+            allSyncTaskMap.put(taskId, taskDO);
+            // To prevent issues where tasks paused for synchronization, newly created tasks after deletion,
+            // or resynchronization tasks do not receive new events and hence cannot synchronize,
+            // perform a full synchronization of tasks before subscribing to events each time.
+            Stopwatch stopwatch = Stopwatch.createStarted();
+            doSync(taskId, taskDO, sourceNamingService, destNamingService);
+            log.debug("Time taken to synchronize a service registration: {} ms",
+                    stopwatch.elapsed(TimeUnit.MILLISECONDS));
            this.listenerMap.putIfAbsent(taskId, event -> {
                if (event instanceof NamingEvent) {
+                    NamingEvent namingEvent = (NamingEvent) event;
+                    log.info("Detected changes in service {} information, taskId: {}, number of instances: {}, initiating synchronization",
+                            namingEvent.getServiceName(), taskId,
+                            namingEvent.getInstances() == null ? null : namingEvent.getInstances().size());
                    try {
-
-                        List<Instance> sourceInstances = sourceNamingService.getAllInstances(taskDO.getServiceName(),
-                            new ArrayList<>(), false);
-                        // 先删除不存在的
-                        this.removeInvalidInstance(taskDO, taskId, destNamingService, sourceInstances);
-                        Set<String> latestSyncInstance = new TreeSet<>();
-                        //再次添加新实例
-                        Set<String> instanceKeys = sourceInstanceSnapshot.get(taskId);
-                        for (Instance instance : sourceInstances) {
-                            if (needSync(instance.getMetadata())) {
-                                String instanceKey = composeInstanceKey(instance);
-                                if (CollectionUtils.isEmpty(instanceKeys) || !instanceKeys.contains(instanceKey)) {
-                                    destNamingService.registerInstance(taskDO.getServiceName(),
-                                        buildSyncInstance(instance, taskDO));
-                                }
-                                latestSyncInstance.add(instanceKey);
-
-                            }
-                        }
-                        if (CollectionUtils.isNotEmpty(latestSyncInstance)) {
-
-                            log.info("任务Id:{},已同步实例个数:{}", taskId, latestSyncInstance.size());
-                            sourceInstanceSnapshot.put(taskId, latestSyncInstance);
-                        }
+                        doSync(taskId, taskDO, sourceNamingService, destNamingService);
+                        log.info("Detected synchronization end for service {}", namingEvent.getServiceName());
                    } catch (Exception e) {
                        log.error("event process fail, taskId:{}", taskId, e);
                        metricsManager.recordError(MetricsStatisticsType.SYNC_ERROR);
                    }
                }
            });
-
-            sourceNamingService.subscribe(taskDO.getServiceName(), listenerMap.get(taskId));
+            sourceNamingService.subscribe(taskDO.getServiceName(), getGroupNameOrDefault(taskDO.getGroupName()),
+                    listenerMap.get(taskId));
        } catch (Exception e) {
            log.error("sync task from nacos to nacos was failed, taskId:{}", taskId, e);
            metricsManager.recordError(MetricsStatisticsType.SYNC_ERROR);
@ -139,31 +231,192 @@ public class NacosSyncToNacosServiceImpl implements SyncService {
        }
        return true;
    }
-
-    private void removeInvalidInstance(TaskDO taskDO, String taskId, NamingService destNamingService,
-        List<Instance> sourceInstances) throws NacosException {
-        if (this.sourceInstanceSnapshot.containsKey(taskId)) {
-            Set<String> oldInstanceKeys = this.sourceInstanceSnapshot.get(taskId);
-            List<String> newInstanceKeys = sourceInstances.stream().map(this::composeInstanceKey)
-                .collect(Collectors.toList());
-            Collection<String> instanceKeys = Collections.subtract(oldInstanceKeys, newInstanceKeys);
-            for (String instanceKey : instanceKeys) {
-                log.info("任务Id:{},移除无效同步实例:{}", taskId, instanceKey);
-                String[] split = instanceKey.split(":", -1);
-                destNamingService.deregisterInstance(taskDO.getServiceName(), split[0],
-                    Integer.parseInt(split[1]));
-
+    
+    
+    private void doSync(String taskId, TaskDO taskDO, NamingService sourceNamingService,
+            NamingService destNamingService) throws NacosException {
+        if (syncTaskTap.putIfAbsent(taskId, 1) != null) {
+            log.info("Task ID:{} - the previous synchronization task has not finished yet", taskId);
+            return;
+        }
+        
+        try {
+            
+            List<Instance> sourceInstances = sourceNamingService.getAllInstances(taskDO.getServiceName(),
+                    getGroupNameOrDefault(taskDO.getGroupName()), new ArrayList<>(), true);
+            
+            int level = clusterAccessService.findClusterLevel(taskDO.getSourceClusterId());
+            if (CollectionUtils.isNotEmpty(sourceInstances) && sourceInstances.get(0).isEphemeral()) {
+                // Handle batch data synchronization of ephemeral instances, need to get all current service instances.
+                // TODO: When the Client is version 1.x, execute the same synchronization method as persistent instances.
+                handlerPersistenceInstance(taskDO, destNamingService, sourceInstances, level);
+            } else if (CollectionUtils.isEmpty(sourceInstances)) {
+                // If the current source cluster is empty, then directly deregister the instances in the target cluster.
+                log.debug("service {} needs to sync ephemeral instance num is null: serviceName ", taskDO.getServiceName());
+                processDeRegisterInstances(taskDO, destNamingService);
+            } else {
+                // Handle batch data synchronization of persistent instances.
+                handlerPersistenceInstance(taskDO, destNamingService, sourceInstances, level);
+            }
+        } finally {
+            syncTaskTap.remove(taskId);
+        }
+    }
+    
+    private void handlerPersistenceInstance(TaskDO taskDO, NamingService destNamingService,
+            List<Instance> sourceInstances, int level) throws NacosException {
+        List<Instance> needRegisterInstance = new ArrayList<>();
+        for (Instance instance : sourceInstances) {
+            if (needSync(instance.getMetadata(), level, taskDO.getDestClusterId())) {
+                needRegisterInstance.add(buildSyncInstance(instance, taskDO));
+            }
+        }
+        List<Instance> destAllInstances = destNamingService.getAllInstances(taskDO.getServiceName(),
+                getGroupNameOrDefault(taskDO.getGroupName()), new ArrayList<>(), true);
+        
+        // Get the instances that the destination cluster has already synchronized
+        List<Instance> destHasSyncInstances = destAllInstances.stream()
+                .filter(instance -> hasSync(instance, taskDO.getSourceClusterId())).collect(Collectors.toList());
+        
+        // The following two conversions are necessary because the Nacos Instance's equals method
+        // is flawed and cannot be used for direct comparison.
+        // The reason is that Instance's equals method compares Metadata using the toString method,
+        // and Metadata is of type HashMap, which does not guarantee order in its toString representation.
+        
+        // Convert destHasSyncInstances to a Map with the concatenated string as key
+        Map<String, Instance> destInstanceMap = destHasSyncInstances.stream()
+                .collect(Collectors.toMap(NacosSyncToNacosServiceImpl::getInstanceKey, instance -> instance));
+        
+        // Convert newInstances to a Map with the concatenated string as key
+        Map<String, Instance> needRegisterMap = needRegisterInstance.stream()
+                .collect(Collectors.toMap(NacosSyncToNacosServiceImpl::getInstanceKey, instance -> instance));
+        
+        // Remove instances from newInstanceMap that are present in destInstanceMap
+        List<Instance> newInstances = removeSyncedInstances(destInstanceMap, needRegisterMap);
+        
+        // Remove instances from destInstanceMap that are present in newInstanceMap
+        List<Instance> invalidInstances = getInvalidInstances(destInstanceMap, needRegisterMap);
+        
+        // Register each instance one by one. Take one instance at a time.
+        for (Instance newInstance : newInstances) {
+            destNamingService.registerInstance(taskDO.getServiceName(), getGroupNameOrDefault(taskDO.getGroupName()),
+                    newInstance);
+        }
+        
+        if (CollectionUtils.isNotEmpty(invalidInstances)) {
+            log.info("taskId: {}, service {} deregistered, number of executions: {}", taskDO.getTaskId(), taskDO.getServiceName(),
+                    destHasSyncInstances.size());
+        }
+        for (Instance instance : invalidInstances) {
+            destNamingService.deregisterInstance(taskDO.getServiceName(), getGroupNameOrDefault(taskDO.getGroupName()),
+                    instance);
+        }
+    }
+    
+    private List<Instance> getInvalidInstances(Map<String, Instance> destInstanceMap, Map<String, Instance> needRegisterMap) {
+        Map<String, Instance> destClone = new HashMap<>(destInstanceMap);
+        
+        // Convert newInstances to a Map with the concatenated string as key
+        Map<String, Instance> needRegisterClone = new HashMap<>(needRegisterMap);
+        
+        // Remove instances from newInstanceMap that are present in destInstanceMap
+        destClone.keySet().removeAll(needRegisterClone.keySet());
+        
+        return new ArrayList<>(destClone.values());
+    }
+    
+    
+    public List<Instance> removeSyncedInstances(Map<String, Instance> destInstanceMap, Map<String, Instance> needRegisterMap) {
+        // Convert destHasSyncInstances to a Map with the concatenated string as key
+        
+        Map<String, Instance> destClone = new HashMap<>(destInstanceMap);
+        
+        // Convert newInstances to a Map with the concatenated string as key
+        Map<String, Instance> needRegisterClone = new HashMap<>(needRegisterMap);
+        
+        // Remove instances from newInstanceMap that are present in destInstanceMap
+        needRegisterClone.keySet().removeAll(destClone.keySet());
+        
+        return new ArrayList<>(needRegisterClone.values());
+    }
+   
+    
+    private boolean hasSync(Instance instance, String sourceClusterId) {
+        if (instance.getMetadata() != null) {
+            String sourceClusterKey = instance.getMetadata().get(SkyWalkerConstants.SOURCE_CLUSTER_ID_KEY);
+            return sourceClusterKey != null && sourceClusterKey.equals(sourceClusterId);
+        }
+        return false;
+    }
+    
+    
+    /**
+     * When the number of instances that the source cluster needs to synchronize is 0,
+     * if the target cluster still has instances synchronized with the source cluster,
+     * perform unregistration.
+     *
+     * @param destNamingService Destination cluster naming service
+     * @throws NacosException
+     */
+    private void processDeRegisterInstances(TaskDO taskDO, NamingService destNamingService) throws NacosException {
+        // If the instances in sourceInstances are empty, it means the instances are offline or do not exist.
+        List<Instance> destInstances = destNamingService.getAllInstances(taskDO.getServiceName(),
+                getGroupNameOrDefault(taskDO.getGroupName()), new ArrayList<>(), false);
+        // If the instances in the target cluster are also empty, then no operation is needed.
+        if (CollectionUtils.isEmpty(destInstances)) {
+            return;
+        }
+        destInstances = filterInstancesForRemoval(destInstances, taskDO.getSourceClusterId());
+        if (CollectionUtils.isNotEmpty(destInstances)) {
+            // Deregister each instance one by one. Take one instance at a time.
+            // Need to handle redo, otherwise, it will be registered again.
+            for (Instance destInstance : destInstances) {
+                destNamingService.deregisterInstance(taskDO.getServiceName(),
+                        getGroupNameOrDefault(taskDO.getGroupName()), destInstance);
            }
        }
    }
-
-    private String composeInstanceKey(Instance instance) {
-        return instance.getIp() + ":" + instance.getPort();
+    
+    private List<Instance> filterInstancesForRemoval(List<Instance> destInstances, String sourceClusterId) {
+        return destInstances.stream().filter(instance -> !instance.getMetadata().isEmpty())
+                .filter(instance -> needDeregister(instance.getMetadata().get(SOURCE_CLUSTER_ID_KEY), sourceClusterId))
+                .collect(Collectors.toList());
+        
    }
-
-
-    public Instance buildSyncInstance(Instance instance, TaskDO taskDO) {
+    
+    private boolean needDeregister(String destClusterId, String sourceClusterId) {
+        if (!StringUtils.isEmpty(destClusterId)) {
+            return destClusterId.equals(sourceClusterId);
+        }
+        return false;
+    }
+    
+    private boolean needSync(Map<String, String> sourceMetaData, int level, String destClusterId) {
+        // Regular cluster (default)
+        if (level == 0) {
+            return SyncService.super.needSync(sourceMetaData);
+        }
+        // Central cluster, as long as the instance is not from the target cluster,
+        // it needs to be synchronized (extended functionality)
+        return !destClusterId.equals(sourceMetaData.get(SOURCE_CLUSTER_ID_KEY));
+    }
+    
+    
+    private Instance buildSyncInstance(Instance instance, TaskDO taskDO) {
+        Instance temp = getInstance(instance);
+        temp.addMetadata(SkyWalkerConstants.DEST_CLUSTER_ID_KEY, taskDO.getDestClusterId());
+        temp.addMetadata(SkyWalkerConstants.SYNC_SOURCE_KEY,
+                skyWalkerCacheServices.getClusterType(taskDO.getSourceClusterId()).getCode());
+        temp.addMetadata(SkyWalkerConstants.SOURCE_CLUSTER_ID_KEY, taskDO.getSourceClusterId());
+        //The flag is a synchronous instance
+        temp.addMetadata(SkyWalkerConstants.SYNC_INSTANCE_TAG,
+                taskDO.getSourceClusterId() + "@@" + taskDO.getVersion());
+        return temp;
+    }
+    
+    private static Instance getInstance(Instance instance) {
        Instance temp = new Instance();
+        temp.setInstanceId(instance.getInstanceId());
        temp.setIp(instance.getIp());
        temp.setPort(instance.getPort());
        temp.setClusterName(instance.getClusterName());
@ -172,15 +425,19 @@ public class NacosSyncToNacosServiceImpl implements SyncService {
        temp.setHealthy(instance.isHealthy());
        temp.setWeight(instance.getWeight());
        temp.setEphemeral(instance.isEphemeral());
-        Map<String, String> metaData = new HashMap<>();
-        metaData.putAll(instance.getMetadata());
-        metaData.put(SkyWalkerConstants.DEST_CLUSTERID_KEY, taskDO.getDestClusterId());
-        metaData.put(SkyWalkerConstants.SYNC_SOURCE_KEY,
-            skyWalkerCacheServices.getClusterType(taskDO.getSourceClusterId()).getCode());
-        metaData.put(SkyWalkerConstants.SOURCE_CLUSTERID_KEY, taskDO.getSourceClusterId());
+        Map<String, String> metaData = new HashMap<>(instance.getMetadata());
        temp.setMetadata(metaData);
        return temp;
    }
-
-
+    
+    private static String getInstanceKey(Instance instance) {
+        return String.join("|",
+                instance.getIp(),
+                String.valueOf(instance.getPort()),
+                String.valueOf(instance.getWeight()),
+                String.valueOf(instance.isHealthy()),
+                String.valueOf(instance.isEphemeral()),
+                instance.getClusterName(),
+                instance.getServiceName());
+    }
 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/impl/NacosSyncToZookeeperServiceImpl.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/impl/NacosSyncToZookeeperServiceImpl.java
@ -12,9 +12,6 @@
 */
 package com.alibaba.nacossync.extension.impl;

-import static com.alibaba.nacossync.util.StringUtils.convertDubboFullPathForZk;
-import static com.alibaba.nacossync.util.StringUtils.convertDubboProvidersPath;
-
 import com.alibaba.nacos.api.naming.NamingService;
 import com.alibaba.nacos.api.naming.listener.EventListener;
 import com.alibaba.nacos.api.naming.listener.NamingEvent;
@ -32,20 +29,25 @@ import com.alibaba.nacossync.monitor.MetricsManager;
 import com.alibaba.nacossync.pojo.model.TaskDO;
 import com.alibaba.nacossync.util.DubboConstants;
 import com.google.common.collect.Sets;
-import java.io.UnsupportedEncodingException;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.concurrent.ConcurrentHashMap;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.curator.framework.CuratorFramework;
 import org.apache.curator.framework.recipes.cache.PathChildrenCache;
 import org.apache.curator.framework.recipes.cache.PathChildrenCacheEvent;
 import org.apache.curator.utils.CloseableUtils;
 import org.apache.zookeeper.CreateMode;
-import org.springframework.beans.factory.annotation.Autowired;
+
+import java.io.UnsupportedEncodingException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.ConcurrentHashMap;
+
+import static com.alibaba.nacossync.util.NacosUtils.getGroupNameOrDefault;
+import static com.alibaba.nacossync.util.StringUtils.convertDubboFullPathForZk;
+import static com.alibaba.nacossync.util.StringUtils.convertDubboProvidersPath;

 /**
 * Nacos 同步 Zk 数据
@ -57,8 +59,7 @@ import org.springframework.beans.factory.annotation.Autowired;
@NacosSyncService(sourceCluster = ClusterTypeEnum.NACOS, destinationCluster = ClusterTypeEnum.ZK)
 public class NacosSyncToZookeeperServiceImpl implements SyncService {

-    @Autowired
-    private MetricsManager metricsManager;
+    private final MetricsManager metricsManager;

    /**
     * @description The Nacos listener map.
@ -90,12 +91,13 @@ public class NacosSyncToZookeeperServiceImpl implements SyncService {

    private final ZookeeperServerHolder zookeeperServerHolder;

-    @Autowired
+  
    public NacosSyncToZookeeperServiceImpl(SkyWalkerCacheServices skyWalkerCacheServices,
-        NacosServerHolder nacosServerHolder, ZookeeperServerHolder zookeeperServerHolder) {
+        NacosServerHolder nacosServerHolder, ZookeeperServerHolder zookeeperServerHolder, MetricsManager metricsManager) {
        this.skyWalkerCacheServices = skyWalkerCacheServices;
        this.nacosServerHolder = nacosServerHolder;
        this.zookeeperServerHolder = zookeeperServerHolder;
+        this.metricsManager = metricsManager;
    }

    @Override
@ -103,15 +105,18 @@ public class NacosSyncToZookeeperServiceImpl implements SyncService {
        try {

            NamingService sourceNamingService =
-                nacosServerHolder.get(taskDO.getSourceClusterId(), taskDO.getGroupName());
+                nacosServerHolder.get(taskDO.getSourceClusterId());
            EventListener eventListener = nacosListenerMap.remove(taskDO.getTaskId());
            PathChildrenCache pathChildrenCache = pathChildrenCacheMap.get(taskDO.getTaskId());
-            sourceNamingService.unsubscribe(taskDO.getServiceName(), eventListener);
+            sourceNamingService.unsubscribe(taskDO.getServiceName(), getGroupNameOrDefault(taskDO.getGroupName()),
+                eventListener);
            CloseableUtils.closeQuietly(pathChildrenCache);
            Set<String> instanceUrlSet = instanceBackupMap.get(taskDO.getTaskId());
-            CuratorFramework client = zookeeperServerHolder.get(taskDO.getDestClusterId(), taskDO.getGroupName());
-            for (String instanceUrl : instanceUrlSet) {
-                client.delete().quietly().forPath(instanceUrl);
+            CuratorFramework client = zookeeperServerHolder.get(taskDO.getDestClusterId());
+            if(!instanceUrlSet.isEmpty()){
+                for (String instanceUrl : instanceUrlSet) {
+                    client.delete().quietly().forPath(instanceUrl);
+                }
            }
        } catch (Exception e) {
            log.error("delete task from nacos to zk was failed, taskId:{}", taskDO.getTaskId(), e);
@ -122,23 +127,24 @@ public class NacosSyncToZookeeperServiceImpl implements SyncService {
    }

    @Override
-    public boolean sync(TaskDO taskDO) {
+    public boolean sync(TaskDO taskDO, Integer index) {
        try {
            NamingService sourceNamingService =
-                nacosServerHolder.get(taskDO.getSourceClusterId(), taskDO.getGroupName());
-            CuratorFramework client = zookeeperServerHolder.get(taskDO.getDestClusterId(), taskDO.getGroupName());
+                nacosServerHolder.get(taskDO.getSourceClusterId());
+            CuratorFramework client = zookeeperServerHolder.get(taskDO.getDestClusterId());
            nacosListenerMap.putIfAbsent(taskDO.getTaskId(), event -> {
                if (event instanceof NamingEvent) {
                    try {

-                        List<Instance> sourceInstances = sourceNamingService.getAllInstances(taskDO.getServiceName());
+                        List<Instance> sourceInstances = sourceNamingService.getAllInstances(taskDO.getServiceName(),
+                            getGroupNameOrDefault(taskDO.getGroupName()), new ArrayList<>(), true);
                        Set<String> newInstanceUrlSet = getWaitingToAddInstance(taskDO, client, sourceInstances);

-                        // 获取之前的备份 删除无效实例
+                        // fetch the instance backup
                        deleteInvalidInstances(taskDO, client, newInstanceUrlSet);
-                        // 替换当前备份为最新备份
+                        // replace the instance backup
                        instanceBackupMap.put(taskDO.getTaskId(), newInstanceUrlSet);
-                        // 尝试恢复因为zk客户端意外断开导致的实例数据
+                        // try to compensate for the removed instance
                        tryToCompensate(taskDO, sourceNamingService, sourceInstances);
                    } catch (Exception e) {
                        log.error("event process fail, taskId:{}", taskDO.getTaskId(), e);
@ -148,7 +154,8 @@ public class NacosSyncToZookeeperServiceImpl implements SyncService {
                }
            });

-            sourceNamingService.subscribe(taskDO.getServiceName(), nacosListenerMap.get(taskDO.getTaskId()));
+            sourceNamingService.subscribe(taskDO.getServiceName(),getGroupNameOrDefault(taskDO.getGroupName()),
+                nacosListenerMap.get(taskDO.getTaskId()));
        } catch (Exception e) {
            log.error("sync task from nacos to zk was failed, taskId:{}", taskDO.getTaskId(), e);
            metricsManager.recordError(MetricsStatisticsType.SYNC_ERROR);
@ -156,28 +163,45 @@ public class NacosSyncToZookeeperServiceImpl implements SyncService {
        }
        return true;
    }
-
+    
    private void tryToCompensate(TaskDO taskDO, NamingService sourceNamingService, List<Instance> sourceInstances) {
        if (!CollectionUtils.isEmpty(sourceInstances)) {
            final PathChildrenCache pathCache = getPathCache(taskDO);
-            if (pathCache.getListenable().size() == 0) { // 防止重复注册
-                pathCache.getListenable().addListener((zkClient, zkEvent) -> {
-                    if (zkEvent.getType() == PathChildrenCacheEvent.Type.CHILD_REMOVED) {
-                        List<Instance> allInstances =
-                            sourceNamingService.getAllInstances(taskDO.getServiceName());
-                        for (Instance instance : allInstances) {
-                            String instanceUrl = buildSyncInstance(instance, taskDO);
-                            String zkInstancePath = zkEvent.getData().getPath();
-                            if (zkInstancePath.equals(instanceUrl)) {
-                                zkClient.create().creatingParentsIfNeeded().withMode(CreateMode.EPHEMERAL)
-                                    .forPath(zkInstancePath);
-                                break;
-                            }
-                        }
-                    }
-                });
+            // Avoiding re-registration if there is already a listener registered.
+            if (pathCache.getListenable().size() == 0) {
+                registerCompensationListener(pathCache, taskDO, sourceNamingService);
            }
-
+        }
+    }
+    
+    private void registerCompensationListener(PathChildrenCache pathCache, TaskDO taskDO, NamingService sourceNamingService) {
+        pathCache.getListenable().addListener((zkClient, zkEvent) -> {
+            try {
+                if (zkEvent.getType() == PathChildrenCacheEvent.Type.CHILD_REMOVED) {
+                    compensateOnChildRemoval(zkClient, zkEvent, sourceNamingService, taskDO);
+                }
+            } catch (Exception e) {
+                log.error("Error processing ZooKeeper event: {}", zkEvent.getType(), e);
+            }
+        });
+    }
+    
+    private void compensateOnChildRemoval(CuratorFramework zkClient, PathChildrenCacheEvent zkEvent, NamingService sourceNamingService, TaskDO taskDO) {
+        String zkInstancePath = null;
+        try {
+            List<Instance> allInstances = sourceNamingService.getAllInstances(taskDO.getServiceName(), getGroupNameOrDefault(taskDO.getGroupName()));
+            zkInstancePath = zkEvent.getData().getPath();
+            for (Instance instance : allInstances) {
+                String instanceUrl = buildSyncInstance(instance, taskDO);
+                if (zkInstancePath.equals(instanceUrl)) {
+                    zkClient.create().creatingParentsIfNeeded().withMode(CreateMode.EPHEMERAL)
+                            .forPath(zkInstancePath);
+                    log.info("Compensated by re-creating the removed node at path: {}", zkInstancePath);
+                    break;
+                }
+            }
+        } catch (Exception e) {
+            log.error("Failed to compensate for the removed node at path: {}", zkInstancePath, e);
        }
    }

@ -210,12 +234,11 @@ public class NacosSyncToZookeeperServiceImpl implements SyncService {
    }

    protected String buildSyncInstance(Instance instance, TaskDO taskDO) throws UnsupportedEncodingException {
-        Map<String, String> metaData = new HashMap<>();
-        metaData.putAll(instance.getMetadata());
-        metaData.put(SkyWalkerConstants.DEST_CLUSTERID_KEY, taskDO.getDestClusterId());
+        Map<String, String> metaData = new HashMap<>(instance.getMetadata());
+        metaData.put(SkyWalkerConstants.DEST_CLUSTER_ID_KEY, taskDO.getDestClusterId());
        metaData.put(SkyWalkerConstants.SYNC_SOURCE_KEY,
            skyWalkerCacheServices.getClusterType(taskDO.getSourceClusterId()).getCode());
-        metaData.put(SkyWalkerConstants.SOURCE_CLUSTERID_KEY, taskDO.getSourceClusterId());
+        metaData.put(SkyWalkerConstants.SOURCE_CLUSTER_ID_KEY, taskDO.getSourceClusterId());

        String servicePath = monitorPath.computeIfAbsent(taskDO.getTaskId(),
            key -> convertDubboProvidersPath(metaData.get(DubboConstants.INTERFACE_KEY)));
@ -225,16 +248,16 @@ public class NacosSyncToZookeeperServiceImpl implements SyncService {


    /**
-     * 获取zk path child 监听缓存类
+     * fetch zk path cache
     *
-     * @param taskDO 任务对象
-     * @return zk节点操作缓存对象
+     * @param taskDO task instance
+     * @return zk path cache
     */
    private PathChildrenCache getPathCache(TaskDO taskDO) {
        return pathChildrenCacheMap.computeIfAbsent(taskDO.getTaskId(), (key) -> {
            try {
                PathChildrenCache pathChildrenCache = new PathChildrenCache(
-                    zookeeperServerHolder.get(taskDO.getDestClusterId(), ""), monitorPath.get(key), false);
+                    zookeeperServerHolder.get(taskDO.getDestClusterId()), monitorPath.get(key), false);
                pathChildrenCache.start(PathChildrenCache.StartMode.BUILD_INITIAL_CACHE);
                return pathChildrenCache;
            } catch (Exception e) {
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/impl/ZookeeperSyncToNacosServiceImpl.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/extension/impl/ZookeeperSyncToNacosServiceImpl.java
@ -10,22 +10,8 @@
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 */
-package com.alibaba.nacossync.extension.impl;

-import static com.alibaba.nacossync.util.DubboConstants.ALL_SERVICE_NAME_PATTERN;
-import static com.alibaba.nacossync.util.DubboConstants.DUBBO_PATH_FORMAT;
-import static com.alibaba.nacossync.util.DubboConstants.DUBBO_ROOT_PATH;
-import static com.alibaba.nacossync.util.DubboConstants.GROUP_KEY;
-import static com.alibaba.nacossync.util.DubboConstants.INSTANCE_IP_KEY;
-import static com.alibaba.nacossync.util.DubboConstants.INSTANCE_PORT_KEY;
-import static com.alibaba.nacossync.util.DubboConstants.INTERFACE_KEY;
-import static com.alibaba.nacossync.util.DubboConstants.PROTOCOL_KEY;
-import static com.alibaba.nacossync.util.DubboConstants.VERSION_KEY;
-import static com.alibaba.nacossync.util.DubboConstants.WEIGHT_KEY;
-import static com.alibaba.nacossync.util.DubboConstants.ZOOKEEPER_SEPARATOR;
-import static com.alibaba.nacossync.util.DubboConstants.createServiceName;
-import static com.alibaba.nacossync.util.StringUtils.parseIpAndPortString;
-import static com.alibaba.nacossync.util.StringUtils.parseQueryString;
+package com.alibaba.nacossync.extension.impl;

 import com.alibaba.nacos.api.exception.NacosException;
 import com.alibaba.nacos.api.naming.NamingService;
@ -40,20 +26,38 @@ import com.alibaba.nacossync.extension.holder.NacosServerHolder;
 import com.alibaba.nacossync.extension.holder.ZookeeperServerHolder;
 import com.alibaba.nacossync.monitor.MetricsManager;
 import com.alibaba.nacossync.pojo.model.TaskDO;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Objects;
-import java.util.Set;
-import java.util.concurrent.ConcurrentHashMap;
-import java.util.function.Predicate;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.curator.framework.CuratorFramework;
 import org.apache.curator.framework.recipes.cache.TreeCache;
 import org.apache.curator.framework.recipes.cache.TreeCacheEvent;
 import org.apache.curator.utils.CloseableUtils;
-import org.springframework.beans.factory.annotation.Autowired;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Set;
+import java.util.concurrent.ConcurrentHashMap;
+
+import static com.alibaba.nacossync.util.DubboConstants.ALL_SERVICE_NAME_PATTERN;
+import static com.alibaba.nacossync.util.DubboConstants.DUBBO_PATH_FORMAT;
+import static com.alibaba.nacossync.util.DubboConstants.DUBBO_ROOT_PATH;
+import static com.alibaba.nacossync.util.DubboConstants.GROUP_KEY;
+import static com.alibaba.nacossync.util.DubboConstants.INSTANCE_IP_KEY;
+import static com.alibaba.nacossync.util.DubboConstants.INSTANCE_PORT_KEY;
+import static com.alibaba.nacossync.util.DubboConstants.INTERFACE_KEY;
+import static com.alibaba.nacossync.util.DubboConstants.PROTOCOL_KEY;
+import static com.alibaba.nacossync.util.DubboConstants.VERSION_KEY;
+import static com.alibaba.nacossync.util.DubboConstants.WEIGHT_KEY;
+import static com.alibaba.nacossync.util.DubboConstants.ZOOKEEPER_SEPARATOR;
+import static com.alibaba.nacossync.util.DubboConstants.createServiceName;
+import static com.alibaba.nacossync.util.NacosUtils.getGroupNameOrDefault;
+import static com.alibaba.nacossync.util.StringUtils.parseIpAndPortString;
+import static com.alibaba.nacossync.util.StringUtils.parseQueryString;

 /**
 * @author paderlol
@ -63,59 +67,55 @@ import org.springframework.beans.factory.annotation.Autowired;
@Slf4j
@NacosSyncService(sourceCluster = ClusterTypeEnum.ZK, destinationCluster = ClusterTypeEnum.NACOS)
 public class ZookeeperSyncToNacosServiceImpl implements SyncService {
-
-    @Autowired
-    private MetricsManager metricsManager;
-
+    
+    private static final String DEFAULT_WEIGHT = "1.0";
+    
+    private final MetricsManager metricsManager;
+    
    /**
     * Listener cache of Zookeeper format taskId -> PathChildrenCache instance
     */
-    private Map<String, TreeCache> treeCacheMap = new ConcurrentHashMap<>();
+    private final Map<String, TreeCache> treeCacheMap = new ConcurrentHashMap<>();
+    
    /**
     * service name cache
     */
-    private Map<String, String> nacosServiceNameMap = new ConcurrentHashMap<>();
-
+    private final Map<String, String> nacosServiceNameMap = new ConcurrentHashMap<>();
+    
    private final ZookeeperServerHolder zookeeperServerHolder;
-
+    
    private final NacosServerHolder nacosServerHolder;
-
+    
    private final SkyWalkerCacheServices skyWalkerCacheServices;
-
-    @Autowired
+    
+   
    public ZookeeperSyncToNacosServiceImpl(ZookeeperServerHolder zookeeperServerHolder,
-                                           NacosServerHolder nacosServerHolder, SkyWalkerCacheServices skyWalkerCacheServices) {
+            NacosServerHolder nacosServerHolder, SkyWalkerCacheServices skyWalkerCacheServices,
+            MetricsManager metricsManager) {
        this.zookeeperServerHolder = zookeeperServerHolder;
        this.nacosServerHolder = nacosServerHolder;
        this.skyWalkerCacheServices = skyWalkerCacheServices;
+        this.metricsManager = metricsManager;
    }
-
+    
    @Override
-    public boolean sync(TaskDO taskDO) {
+    public boolean sync(TaskDO taskDO, Integer index) {
        try {
            if (treeCacheMap.containsKey(taskDO.getTaskId())) {
                return true;
            }
-
-            TreeCache treeCache = getTreeCache(taskDO);
-            NamingService destNamingService = nacosServerHolder.get(taskDO.getDestClusterId(), null);
+            if (!initializeTreeCache(taskDO)) {
+                return false;
+            }
+            
+            NamingService destNamingService = nacosServerHolder.get(taskDO.getDestClusterId());
+            if (destNamingService == null) {
+                logAndRecordSyncError("Failed to obtain NamingService for destination clusterId: {}", taskDO.getDestClusterId(), null);
+                return false;
+            }
            // 初次执行任务统一注册所有实例
            registerAllInstances(taskDO, destNamingService);
-            //注册ZK监听
-            Objects.requireNonNull(treeCache).getListenable().addListener((client, event) -> {
-                try {
-
-                    String path = event.getData().getPath();
-                    Map<String, String> queryParam = parseQueryString(path);
-                    if (isMatch(taskDO, queryParam) && needSync(queryParam)) {
-                        processEvent(taskDO, destNamingService, event, path, queryParam);
-                    }
-                } catch (Exception e) {
-                    log.error("event process from Zookeeper to Nacos was failed, taskId:{}", taskDO.getTaskId(), e);
-                    metricsManager.recordError(MetricsStatisticsType.SYNC_ERROR);
-                }
-
-            });
+            setupListener(taskDO, destNamingService);
        } catch (Exception e) {
            log.error("sync task from Zookeeper to Nacos was failed, taskId:{}", taskDO.getTaskId(), e);
            metricsManager.recordError(MetricsStatisticsType.SYNC_ERROR);
@ -123,128 +123,105 @@ public class ZookeeperSyncToNacosServiceImpl implements SyncService {
        }
        return true;
    }
-
-    private void processEvent(TaskDO taskDO, NamingService destNamingService, TreeCacheEvent event, String path,
-                              Map<String, String> queryParam) throws NacosException {
-        if(!com.alibaba.nacossync.util.StringUtils.isDubboProviderPath(path)) {
-            return;
-        }
-
-        Map<String, String> ipAndPortParam = parseIpAndPortString(path);
-        Instance instance = buildSyncInstance(queryParam, ipAndPortParam, taskDO);
-        String serviceName = queryParam.get(INTERFACE_KEY);
-        switch (event.getType()) {
-            case NODE_ADDED:
-            case NODE_UPDATED:
-
-                destNamingService.registerInstance(
-                    getServiceNameFromCache(serviceName, queryParam), instance);
-                break;
-            case NODE_REMOVED:
-
-                destNamingService.deregisterInstance(
-                    getServiceNameFromCache(serviceName, queryParam),
-                    ipAndPortParam.get(INSTANCE_IP_KEY),
-                    Integer.parseInt(ipAndPortParam.get(INSTANCE_PORT_KEY)));
-                nacosServiceNameMap.remove(serviceName);
-                break;
-            default:
-                break;
-        }
-    }
-
-    private void registerAllInstances(TaskDO taskDO, NamingService destNamingService) throws Exception {
-        CuratorFramework zk =  zookeeperServerHolder.get(taskDO.getSourceClusterId(), "");
-        if(!ALL_SERVICE_NAME_PATTERN.equals(taskDO.getServiceName())) {
-            registerALLInstances0(taskDO, destNamingService, zk, taskDO.getServiceName());
-        } else {
-            // 同步全部
-            List<String> serviceList = zk.getChildren().forPath(DUBBO_ROOT_PATH);
-            for(String serviceName : serviceList) {
-                registerALLInstances0(taskDO, destNamingService, zk, serviceName);
-            }
-        }
-    }
-
-    private void registerALLInstances0(TaskDO taskDO, NamingService destNamingService, CuratorFramework zk,
-                                   String serviceName) throws Exception {
-        String path = String.format(DUBBO_PATH_FORMAT, serviceName);
-        if(zk.getChildren()==null) {
-            return;
-        }
-        List<String> providers = zk.getChildren().forPath(path);
-        for(String provider : providers) {
-            Map<String, String> queryParam = parseQueryString(provider);
-            if (isMatch(taskDO, queryParam) && needSync(queryParam)) {
-                Map<String, String> ipAndPortParam = parseIpAndPortString(path + ZOOKEEPER_SEPARATOR + provider);
-                Instance instance = buildSyncInstance(queryParam, ipAndPortParam, taskDO);
-                destNamingService.registerInstance(getServiceNameFromCache(serviceName, queryParam),
-                        instance);
-            }
-        }
-    }
-
-    @Override
-    public boolean delete(TaskDO taskDO) {
-		if (taskDO.getServiceName() == null) {
-            return true;
-        }
-        try {
-
-            CloseableUtils.closeQuietly(treeCacheMap.get(taskDO.getTaskId()));
-            NamingService destNamingService = nacosServerHolder.get(taskDO.getDestClusterId(), null);
-            if(!ALL_SERVICE_NAME_PATTERN.equals(taskDO.getServiceName())) {
-                if (nacosServiceNameMap.containsKey(taskDO.getServiceName())) {
-                    List<Instance> allInstances =
-                            destNamingService.getAllInstances(nacosServiceNameMap.get(taskDO.getServiceName()));
-                    for (Instance instance : allInstances) {
-                        if (needDelete(instance.getMetadata(), taskDO)) {
-                            destNamingService.deregisterInstance(instance.getServiceName(), instance.getIp(),
-                                    instance.getPort());
-                        }
-                        nacosServiceNameMap.remove(taskDO.getServiceName());
-
-                    }
-                }
-            } else {
-                Set<String> serviceNames = nacosServiceNameMap.keySet();
-                for(String serviceName : serviceNames) {
-
-                    if (nacosServiceNameMap.containsKey(serviceName)) {
-                        List<Instance> allInstances =
-                            destNamingService.getAllInstances(serviceName);
-                        for (Instance instance : allInstances) {
-                            if (needDelete(instance.getMetadata(), taskDO)) {
-                                destNamingService.deregisterInstance(instance.getServiceName(), instance.getIp(),
-                                    instance.getPort());
-                            }
-                            nacosServiceNameMap.remove(serviceName);
-
-                        }
-                    }
-                }
-            }
-
-
-
-
-        } catch (Exception e) {
-            log.error("delete task from zookeeper to nacos was failed, taskId:{}", taskDO.getTaskId(), e);
-            metricsManager.recordError(MetricsStatisticsType.DELETE_ERROR);
+    private boolean initializeTreeCache(TaskDO taskDO) {
+        TreeCache treeCache = getTreeCache(taskDO);
+        if (treeCache == null) {
+            logAndRecordSyncError("Failed to obtain TreeCache for taskId: {}", taskDO.getTaskId(), null);
            return false;
        }
        return true;
    }
-
+    private void logAndRecordSyncError(String message, String taskId, Exception e) {
+        if (e != null) {
+            log.error(message, taskId, e);
+        } else {
+            log.error(message, taskId);
+        }
+        metricsManager.recordError(MetricsStatisticsType.SYNC_ERROR);
+    }
+    
+    private void setupListener(TaskDO taskDO, NamingService destNamingService) {
+        TreeCache treeCache = Objects.requireNonNull(getTreeCache(taskDO));
+        treeCache.getListenable().addListener((client, event) -> {
+            try {
+                // INITIALIZED is a special event that is not triggered by the Zookeeper server
+                if(event.getData()==null){
+                    log.warn("TreeCache event data is null, taskId:{}", taskDO.getTaskId());
+                    return;
+                }
+                String path = event.getData().getPath();
+                Map<String, String> queryParam = parseQueryString(path);
+                if (isMatch(taskDO, queryParam) && needSync(queryParam)) {
+                    processEvent(taskDO, destNamingService, event, path, queryParam);
+                }
+            } catch (Exception e) {
+                logAndRecordSyncError("Event process from Zookeeper to Nacos was failed, taskId:{}", taskDO.getTaskId(), e);
+            }
+        });
+    }
+    
+    
+    
+    public boolean delete(TaskDO taskDO) {
+        if (taskDO.getServiceName() == null) {
+            return true;
+        }
+        
+        CloseableUtils.closeQuietly(treeCacheMap.get(taskDO.getTaskId()));
+        
+        try {
+            NamingService destNamingService = nacosServerHolder.get(taskDO.getDestClusterId());
+            if (destNamingService == null) {
+                log.error("Failed to obtain NamingService for destination clusterId: {}", taskDO.getDestClusterId());
+                return false;
+            }
+            
+            Set<String> serviceNames = getServiceNamesToDelete(taskDO);
+            deleteInstances(serviceNames, destNamingService, taskDO);
+            
+        } catch (Exception e) {
+            log.error("Delete task from Zookeeper to Nacos was failed, taskId:{}", taskDO.getTaskId(), e);
+            metricsManager.recordError(MetricsStatisticsType.DELETE_ERROR);
+            return false;
+        }
+        
+        return true;
+    }
+    
+    private Set<String> getServiceNamesToDelete(TaskDO taskDO) {
+        if (!ALL_SERVICE_NAME_PATTERN.equals(taskDO.getServiceName())) {
+            return new HashSet<>(Collections.singleton(taskDO.getServiceName()));
+        } else {
+            return new HashSet<>(nacosServiceNameMap.keySet());
+        }
+    }
+    
+    private void deleteInstances(Set<String> serviceNames, NamingService destNamingService, TaskDO taskDO) {
+        for (String serviceName : serviceNames) {
+            try {
+                List<Instance> allInstances = destNamingService.getAllInstances(serviceName,
+                        getGroupNameOrDefault(taskDO.getGroupName()), new ArrayList<>(), true);
+                for (Instance instance : allInstances) {
+                    if (needDelete(instance.getMetadata(), taskDO)) {
+                        destNamingService.deregisterInstance(instance.getServiceName(),
+                                getGroupNameOrDefault(taskDO.getGroupName()), instance.getIp(), instance.getPort());
+                    }
+                }
+                nacosServiceNameMap.remove(serviceName);
+            } catch (NacosException e) {
+                log.error("Failed to deregister service instance for serviceName: {}", serviceName, e);
+            }
+        }
+    }
+    
    /**
     * fetch the Path cache when the task sync
     */
    protected TreeCache getTreeCache(TaskDO taskDO) {
        return treeCacheMap.computeIfAbsent(taskDO.getTaskId(), (key) -> {
            try {
-                TreeCache treeCache =
-                    new TreeCache(zookeeperServerHolder.get(taskDO.getSourceClusterId(), ""),
-                            DUBBO_ROOT_PATH);
+                TreeCache treeCache = new TreeCache(zookeeperServerHolder.get(taskDO.getSourceClusterId()),
+                        DUBBO_ROOT_PATH);
                treeCache.start();
                return treeCache;
            } catch (Exception e) {
@ -252,54 +229,151 @@ public class ZookeeperSyncToNacosServiceImpl implements SyncService {
                return null;
            }
        });
-
+        
    }
-
+    
    /**
-     * The instance information that needs to be synchronized is matched based on the dubbo version and the grouping
-     * name
+     * Checks if the instance information needs to be synchronized based on the dubbo version, grouping name,
+     * and service name.
     */
    protected boolean isMatch(TaskDO taskDO, Map<String, String> queryParam) {
-        Predicate<TaskDO> isVersionEq = (task) -> StringUtils.isBlank(taskDO.getVersion())
-            || StringUtils.equals(task.getVersion(), queryParam.get(VERSION_KEY));
-        Predicate<TaskDO> isGroupEq = (task) -> StringUtils.isBlank(taskDO.getGroupName())
-            || StringUtils.equals(task.getGroupName(), queryParam.get(GROUP_KEY));
-        return isVersionEq.and(isGroupEq).test(taskDO);
+        return isVersionMatch(taskDO, queryParam) &&
+                isGroupMatch(taskDO, queryParam) &&
+                isServiceMatch(taskDO, queryParam) ||
+                isMatchAllServices(taskDO);
    }
-
+    
+    private boolean isVersionMatch(TaskDO task, Map<String, String> queryParam) {
+        return StringUtils.isBlank(task.getVersion()) || StringUtils.equals(task.getVersion(), queryParam.get(VERSION_KEY));
+    }
+    
+    private boolean isGroupMatch(TaskDO task, Map<String, String> queryParam) {
+        return StringUtils.isBlank(task.getGroupName()) || StringUtils.equals(task.getGroupName(), queryParam.get(GROUP_KEY));
+    }
+    
+    private boolean isServiceMatch(TaskDO task, Map<String, String> queryParam) {
+        return StringUtils.isNotBlank(task.getServiceName()) && StringUtils.equals(task.getServiceName(), queryParam.get(INTERFACE_KEY));
+    }
+    
+    private boolean isMatchAllServices(TaskDO task) {
+        return StringUtils.isNotBlank(task.getServiceName()) && StringUtils.equals(task.getServiceName(), ALL_SERVICE_NAME_PATTERN);
+    }
+    
+    
    /**
-     * create Nacos service instance
+     * Builds a synchronized Nacos instance from Zookeeper data.
     *
-     * @param queryParam dubbo metadata
-     * @param ipAndPortMap dubbo ip and address
+     * @param queryParam Parameters obtained from the query string.
+     * @param ipAndPortMap IP and port information.
+     * @param taskDO Task details.
+     * @return A fully configured Nacos instance.
     */
-    protected Instance buildSyncInstance(Map<String, String> queryParam, Map<String, String> ipAndPortMap,
-        TaskDO taskDO) {
-        Instance temp = new Instance();
-        temp.setIp(ipAndPortMap.get(INSTANCE_IP_KEY));
-        temp.setPort(Integer.parseInt(ipAndPortMap.get(INSTANCE_PORT_KEY)));
-        temp.setServiceName(getServiceNameFromCache(taskDO.getTaskId(), queryParam));
-        temp.setWeight(Double.parseDouble(queryParam.get(WEIGHT_KEY) == null ? "1.0" : queryParam.get(WEIGHT_KEY)));
-        temp.setHealthy(true);
-
+    protected Instance buildSyncInstance(Map<String, String> queryParam, Map<String, String> ipAndPortMap, TaskDO taskDO) {
+        Instance instance = new Instance();
+        instance.setIp(ipAndPortMap.get(INSTANCE_IP_KEY));
+        instance.setPort(Integer.parseInt(ipAndPortMap.get(INSTANCE_PORT_KEY)));
+        instance.setServiceName(getServiceNameFromCache(taskDO.getTaskId(), queryParam));
+        instance.setWeight(parseWeight(queryParam));
+        instance.setHealthy(true);
+        instance.setMetadata(buildMetadata(queryParam, ipAndPortMap, taskDO));
+        return instance;
+    }
+    
+    
+    private double parseWeight(Map<String, String> queryParam) {
+        try {
+            return Double.parseDouble(queryParam.getOrDefault(WEIGHT_KEY, DEFAULT_WEIGHT));
+        } catch (NumberFormatException e) {
+            log.error("Error parsing weight: {}", queryParam.get(WEIGHT_KEY), e);
+            return Double.parseDouble(DEFAULT_WEIGHT);  // Default weight in case of error
+        }
+    }
+    
+    private Map<String, String> buildMetadata(Map<String, String> queryParam, Map<String, String> ipAndPortMap, TaskDO taskDO) {
        Map<String, String> metaData = new HashMap<>(queryParam);
        metaData.put(PROTOCOL_KEY, ipAndPortMap.get(PROTOCOL_KEY));
-        metaData.put(SkyWalkerConstants.DEST_CLUSTERID_KEY, taskDO.getDestClusterId());
-        metaData.put(SkyWalkerConstants.SYNC_SOURCE_KEY,
-            skyWalkerCacheServices.getClusterType(taskDO.getSourceClusterId()).getCode());
-        metaData.put(SkyWalkerConstants.SOURCE_CLUSTERID_KEY, taskDO.getSourceClusterId());
-        temp.setMetadata(metaData);
-        return temp;
+        metaData.put(SkyWalkerConstants.DEST_CLUSTER_ID_KEY, taskDO.getDestClusterId());
+        metaData.put(SkyWalkerConstants.SYNC_SOURCE_KEY, skyWalkerCacheServices.getClusterType(taskDO.getSourceClusterId()).getCode());
+        metaData.put(SkyWalkerConstants.SOURCE_CLUSTER_ID_KEY, taskDO.getSourceClusterId());
+        return metaData;
    }
-
+    
+    private void processEvent(TaskDO taskDO, NamingService destNamingService, TreeCacheEvent event, String path,
+            Map<String, String> queryParam) throws NacosException {
+        if (!com.alibaba.nacossync.util.StringUtils.isDubboProviderPath(path)) {
+            return;
+        }
+        
+        Map<String, String> ipAndPortParam = parseIpAndPortString(path);
+        if (ipAndPortParam.isEmpty()) {
+            log.error("Invalid IP and Port data extracted from path: {}", path);
+            return;
+        }
+        Instance instance = buildSyncInstance(queryParam, ipAndPortParam, taskDO);
+        String serviceName = queryParam.get(INTERFACE_KEY);
+        if (serviceName == null || serviceName.isEmpty()) {
+            log.error("Service name is missing in the query parameters.");
+            return;
+        }
+        switch (event.getType()) {
+            case NODE_ADDED:
+            case NODE_UPDATED:
+                
+                destNamingService.registerInstance(getServiceNameFromCache(serviceName, queryParam),
+                        getGroupNameOrDefault(taskDO.getGroupName()), instance);
+                break;
+            case NODE_REMOVED:
+                
+                destNamingService.deregisterInstance(getServiceNameFromCache(serviceName, queryParam),
+                        getGroupNameOrDefault(taskDO.getGroupName()), ipAndPortParam.get(INSTANCE_IP_KEY),
+                        Integer.parseInt(ipAndPortParam.get(INSTANCE_PORT_KEY)));
+                nacosServiceNameMap.remove(serviceName);
+                break;
+            default:
+                break;
+        }
+    }
+    
+    private void registerAllInstances(TaskDO taskDO, NamingService destNamingService) throws Exception {
+        CuratorFramework zk = zookeeperServerHolder.get(taskDO.getSourceClusterId());
+        if (!ALL_SERVICE_NAME_PATTERN.equals(taskDO.getServiceName())) {
+            registerALLInstances0(taskDO, destNamingService, zk, taskDO.getServiceName());
+        } else {
+            // 同步全部
+            List<String> serviceList = zk.getChildren().forPath(DUBBO_ROOT_PATH);
+            for (String serviceName : serviceList) {
+                registerALLInstances0(taskDO, destNamingService, zk, serviceName);
+            }
+        }
+    }
+    
+    private void registerALLInstances0(TaskDO taskDO, NamingService destNamingService, CuratorFramework zk,
+            String serviceName) throws Exception {
+        String path = String.format(DUBBO_PATH_FORMAT, serviceName);
+        if (zk.getChildren() == null) {
+            return;
+        }
+        List<String> providers = zk.getChildren().forPath(path);
+        for (String provider : providers) {
+            Map<String, String> queryParam = parseQueryString(provider);
+            if (isMatch(taskDO, queryParam) && needSync(queryParam)) {
+                Map<String, String> ipAndPortParam = parseIpAndPortString(path + ZOOKEEPER_SEPARATOR + provider);
+                Instance instance = buildSyncInstance(queryParam, ipAndPortParam, taskDO);
+                destNamingService.registerInstance(getServiceNameFromCache(serviceName, queryParam),
+                        getGroupNameOrDefault(taskDO.getGroupName()), instance);
+            }
+        }
+    }
+    
+    
    /**
     * cteate Dubbo service name
     *
     * @param serviceName dubbo service name
-     * @param queryParam dubbo metadata
+     * @param queryParam  dubbo metadata
     */
    protected String getServiceNameFromCache(String serviceName, Map<String, String> queryParam) {
        return nacosServiceNameMap.computeIfAbsent(serviceName, (key) -> createServiceName(queryParam));
    }
-
+    
 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/monitor/MetricsManager.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/monitor/MetricsManager.java
@ -23,15 +23,19 @@ import java.util.concurrent.TimeUnit;
@Service
 public class MetricsManager implements CommandLineRunner {

-    @Autowired
-    private SkyWalkerCacheServices skyWalkerCacheServices;
+    private final SkyWalkerCacheServices skyWalkerCacheServices;

-    @Autowired
-    private ClusterAccessService clusterAccessService;
-
-    @Autowired
-    private TaskAccessService taskAccessService;
+    private final ClusterAccessService clusterAccessService;

+    private final TaskAccessService taskAccessService;
+    
+    public MetricsManager(SkyWalkerCacheServices skyWalkerCacheServices, ClusterAccessService clusterAccessService,
+            TaskAccessService taskAccessService) {
+        this.skyWalkerCacheServices = skyWalkerCacheServices;
+        this.clusterAccessService = clusterAccessService;
+        this.taskAccessService = taskAccessService;
+    }
+    
    /**
     * Callback used to run the bean.
     *
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/pojo/model/ClusterDO.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/pojo/model/ClusterDO.java
@ -17,17 +17,28 @@
 package com.alibaba.nacossync.pojo.model;

 import com.alibaba.nacossync.constant.ClusterTypeEnum;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import lombok.Setter;
+import lombok.ToString;
+import org.hibernate.proxy.HibernateProxy;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.Table;
 import java.io.Serializable;
-
-import javax.persistence.*;
-
-import lombok.Data;
+import java.util.Objects;

 /**
 * @author NacosSync
 * @version $Id: EnvDO.java, v 0.1 2018-09-25 PM 4:17 NacosSync Exp $$
 */
-@Data
+@Getter
+@Setter
+@ToString
+@RequiredArgsConstructor
@Entity
@Table(name = "cluster")
 public class ClusterDO implements Serializable {
@ -66,4 +77,34 @@ public class ClusterDO implements Serializable {
     */
    private String password;

+    private String namespace;
+    
+    private Integer clusterLevel;
+    
+    @Override
+    public final boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null) {
+            return false;
+        }
+        Class<?> oEffectiveClass =
+                o instanceof HibernateProxy ? ((HibernateProxy) o).getHibernateLazyInitializer().getPersistentClass()
+                        : o.getClass();
+        Class<?> thisEffectiveClass =
+                this instanceof HibernateProxy ? ((HibernateProxy) this).getHibernateLazyInitializer()
+                        .getPersistentClass() : this.getClass();
+        if (thisEffectiveClass != oEffectiveClass) {
+            return false;
+        }
+        ClusterDO clusterDO = (ClusterDO) o;
+        return getId() != null && Objects.equals(getId(), clusterDO.getId());
+    }
+    
+    @Override
+    public final int hashCode() {
+        return this instanceof HibernateProxy ? ((HibernateProxy) this).getHibernateLazyInitializer()
+                .getPersistentClass().hashCode() : getClass().hashCode();
+    }
 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/pojo/model/SystemConfigDO.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/pojo/model/SystemConfigDO.java
@ -16,15 +16,28 @@
 */
 package com.alibaba.nacossync.pojo.model;

-import javax.persistence.*;

-import lombok.Data;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import lombok.Setter;
+import lombok.ToString;
+import org.hibernate.proxy.HibernateProxy;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.Table;
+import java.util.Objects;

 /**
 * @author NacosSync
 * @version $Id: SystemConfig.java, v 0.1 2018-09-26 上午1:48 NacosSync Exp $$
 */
-@Data
+@Getter
+@Setter
+@ToString
+@RequiredArgsConstructor
@Entity
@Table(name = "system_config")
 public class SystemConfigDO {
@ -34,5 +47,31 @@ public class SystemConfigDO {
    private String  configKey;
    private String  configValue;
    private String  configDesc;
-
+    
+    @Override
+    public final boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null) {
+            return false;
+        }
+        Class<?> oEffectiveClass =
+                o instanceof HibernateProxy ? ((HibernateProxy) o).getHibernateLazyInitializer().getPersistentClass()
+                        : o.getClass();
+        Class<?> thisEffectiveClass =
+                this instanceof HibernateProxy ? ((HibernateProxy) this).getHibernateLazyInitializer()
+                        .getPersistentClass() : this.getClass();
+        if (thisEffectiveClass != oEffectiveClass) {
+            return false;
+        }
+        SystemConfigDO that = (SystemConfigDO) o;
+        return getId() != null && Objects.equals(getId(), that.getId());
+    }
+    
+    @Override
+    public final int hashCode() {
+        return this instanceof HibernateProxy ? ((HibernateProxy) this).getHibernateLazyInitializer()
+                .getPersistentClass().hashCode() : getClass().hashCode();
+    }
 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/pojo/model/TaskDO.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/pojo/model/TaskDO.java
@ -12,16 +12,29 @@
 */
 package com.alibaba.nacossync.pojo.model;

-import lombok.Data;

-import javax.persistence.*;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import lombok.Setter;
+import lombok.ToString;
+import org.hibernate.proxy.HibernateProxy;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.Table;
 import java.io.Serializable;
+import java.util.Objects;

 /**
 * @author NacosSync
 * @version $Id: TaskDo.java, v 0.1 2018-09-24 PM11:53 NacosSync Exp $$
 */
-@Data
+@Getter
+@Setter
+@ToString
+@RequiredArgsConstructor
@Entity
@Table(name = "task")
 public class TaskDO implements Serializable {
@ -70,4 +83,31 @@ public class TaskDO implements Serializable {
     * operation id,The operation id follow when the task status changes
     */
    private String operationId;
+    
+    @Override
+    public final boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null) {
+            return false;
+        }
+        Class<?> oEffectiveClass =
+                o instanceof HibernateProxy ? ((HibernateProxy) o).getHibernateLazyInitializer().getPersistentClass()
+                        : o.getClass();
+        Class<?> thisEffectiveClass =
+                this instanceof HibernateProxy ? ((HibernateProxy) this).getHibernateLazyInitializer()
+                        .getPersistentClass() : this.getClass();
+        if (thisEffectiveClass != oEffectiveClass) {
+            return false;
+        }
+        TaskDO taskDO = (TaskDO) o;
+        return getId() != null && Objects.equals(getId(), taskDO.getId());
+    }
+    
+    @Override
+    public final int hashCode() {
+        return this instanceof HibernateProxy ? ((HibernateProxy) this).getHibernateLazyInitializer()
+                .getPersistentClass().hashCode() : getClass().hashCode();
+    }
 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/pojo/request/ClusterAddRequest.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/pojo/request/ClusterAddRequest.java
@ -17,10 +17,10 @@
 package com.alibaba.nacossync.pojo.request;

 import com.alibaba.nacossync.constant.ClusterTypeEnum;
-import java.util.List;
-
 import lombok.Data;

+import java.util.List;
+
 /**
 * @author NacosSync
 * @version $Id: AddClusterRequest.java, v 0.1 2018-09-25 PM 10:27 NacosSync Exp $$
@ -52,5 +52,6 @@ public class ClusterAddRequest extends BaseRequest {
     * The password of the Nacos.
     */
    private String password;
+    private String namespace;

 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/pojo/request/TaskAddAllRequest.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/pojo/request/TaskAddAllRequest.java
@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.alibaba.nacossync.pojo.request;
+
+import lombok.Data;
+
+/**
+ * @author NacosSync
+ * @version $Id: TaskAddAllRequest.java, v 0.1 2022-03-23 AM12:13 NacosSync Exp $$
+ */
+@Data
+public class TaskAddAllRequest extends BaseRequest {
+    
+    /**
+     * eg: b7bacb110199d5bb83b9757038fadeb0 .
+     */
+    private String sourceClusterId;
+    
+    /**
+     * eg: bbdad57833a0e4f0981f6f3349005617 .
+     */
+    private String destClusterId;
+    
+    /**
+     * whether to exclude subscriber.
+     */
+    private boolean excludeConsumer = true;
+    
+}
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/pojo/view/ClusterModel.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/pojo/view/ClusterModel.java
@ -14,33 +14,53 @@
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
+
 package com.alibaba.nacossync.pojo.view;

 import com.alibaba.nacossync.constant.ClusterTypeEnum;
-import java.io.Serializable;
-
+import com.alibaba.nacossync.pojo.model.ClusterDO;
 import lombok.Data;

+import java.io.Serializable;
+
 /**
 * @author NacosSync
 * @version $Id: ClusterModel.java, v 0.1 2018-09-25 下午11:09 NacosSync Exp $$
 */
@Data
 public class ClusterModel implements Serializable {
-
+    
    private String clusterId;
+    
    /**
     * json format，["192.168.1:8080","192.168.2?key=1"]
     */
    private String connectKeyList;
+    
    /**
     * cluster name, eg：cluster of ShangHai（edas-sh）
     */
    private String clusterName;
+    
    /**
     * cluster type, eg cluster of CS,cluster of Nacos,
     *
     * @see ClusterTypeEnum
     */
    private String clusterType;
+    
+    private String namespace;
+    
+    private String userName;
+    
+    public static ClusterModel from(ClusterDO clusterDO) {
+        ClusterModel clusterModel = new ClusterModel();
+        clusterModel.setClusterId(clusterDO.getClusterId());
+        clusterModel.setConnectKeyList(clusterDO.getConnectKeyList());
+        clusterModel.setClusterType(clusterDO.getClusterType());
+        clusterModel.setClusterName(clusterDO.getClusterName());
+        clusterModel.setNamespace(clusterDO.getNamespace());
+        clusterModel.setUserName(clusterDO.getUserName());
+        return clusterModel;
+    }
 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/pojo/view/TaskModel.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/pojo/view/TaskModel.java
@ -14,8 +14,10 @@
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
+
 package com.alibaba.nacossync.pojo.view;

+import com.alibaba.nacossync.pojo.model.TaskDO;
 import lombok.Data;

 /**
@ -24,12 +26,27 @@ import lombok.Data;
 */
@Data
 public class TaskModel {
-
+    
    private String taskId;
+    
    private String sourceClusterId;
+    
    private String destClusterId;
+    
    private String serviceName;
+    
    private String groupName;
+    
    private String taskStatus;
-
+    
+    public static TaskModel from(TaskDO taskDO) {
+        TaskModel taskModel = new TaskModel();
+        taskModel.setDestClusterId(taskDO.getDestClusterId());
+        taskModel.setGroupName(taskDO.getGroupName());
+        taskModel.setServiceName(taskDO.getServiceName());
+        taskModel.setSourceClusterId(taskDO.getSourceClusterId());
+        taskModel.setTaskStatus(taskDO.getTaskStatus());
+        taskModel.setTaskId(taskDO.getTaskId());
+        return taskModel;
+    }
 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/template/SkyWalkerTemplate.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/template/SkyWalkerTemplate.java
@ -45,8 +45,7 @@ public class SkyWalkerTemplate {
    }

    private static <T extends BaseResult> void initExceptionResult(T result, Throwable e) {
-        if (e instanceof SkyWalkerException) {
-            SkyWalkerException skyWalkerException = (SkyWalkerException) e;
+        if (e instanceof SkyWalkerException skyWalkerException) {
            if (null != skyWalkerException.getResultCode()) {
                result.setResultCode(skyWalkerException.getResultCode().getCode());
            }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/template/processor/ClusterAddProcessor.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/template/processor/ClusterAddProcessor.java
@ -14,21 +14,20 @@
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
+
 package com.alibaba.nacossync.template.processor;

-import com.alibaba.fastjson.JSONObject;
 import com.alibaba.nacossync.constant.ClusterTypeEnum;
 import com.alibaba.nacossync.dao.ClusterAccessService;
 import com.alibaba.nacossync.exception.SkyWalkerException;
-import com.alibaba.nacossync.monitor.MetricsManager;
 import com.alibaba.nacossync.pojo.model.ClusterDO;
 import com.alibaba.nacossync.pojo.request.ClusterAddRequest;
 import com.alibaba.nacossync.pojo.result.ClusterAddResult;
 import com.alibaba.nacossync.template.Processor;
 import com.alibaba.nacossync.util.SkyWalkerUtil;
+import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;

 /**
@ -38,47 +37,53 @@ import org.springframework.stereotype.Service;
@Slf4j
@Service
 public class ClusterAddProcessor implements Processor<ClusterAddRequest, ClusterAddResult> {
-
-    @Autowired
-    private MetricsManager metricsManager;
-
-    @Autowired
-    private ClusterAccessService clusterAccessService;
-
+    
+    
+    private final ClusterAccessService clusterAccessService;
+    
+    private final ObjectMapper objectMapper;
+    
+    public ClusterAddProcessor(ClusterAccessService clusterAccessService, ObjectMapper objectMapper) {
+        this.clusterAccessService = clusterAccessService;
+        this.objectMapper = objectMapper;
+    }
+    
    @Override
-    public void process(ClusterAddRequest clusterAddRequest, ClusterAddResult clusterAddResult,
-        Object... others) throws Exception {
+    public void process(ClusterAddRequest clusterAddRequest, ClusterAddResult clusterAddResult, Object... others)
+            throws Exception {
        ClusterDO clusterDO = new ClusterDO();
-
-        if (null == clusterAddRequest.getConnectKeyList() || 0 == clusterAddRequest.getConnectKeyList().size()) {
-
+        
+        if (null == clusterAddRequest.getConnectKeyList() || clusterAddRequest.getConnectKeyList().isEmpty()) {
+            
            throw new SkyWalkerException("集群列表不能为空！");
        }
-
-        if (StringUtils.isBlank(clusterAddRequest.getClusterName()) || StringUtils
-            .isBlank(clusterAddRequest.getClusterType())) {
-
+        
+        if (StringUtils.isBlank(clusterAddRequest.getClusterName()) || StringUtils.isBlank(
+                clusterAddRequest.getClusterType())) {
+            
            throw new SkyWalkerException("集群名字或者类型不能为空！");
        }
-
+        
        if (!ClusterTypeEnum.contains(clusterAddRequest.getClusterType())) {
-
+            
            throw new SkyWalkerException("集群类型不存在：" + clusterAddRequest.getClusterType());
        }
-
+        
        String clusterId = SkyWalkerUtil.generateClusterId(clusterAddRequest);
-
+        
        if (null != clusterAccessService.findByClusterId(clusterId)) {
-
+            
            throw new SkyWalkerException("重复插入，clusterId已存在：" + clusterId);
        }
-
+        
        clusterDO.setClusterId(clusterId);
        clusterDO.setClusterName(clusterAddRequest.getClusterName());
        clusterDO.setClusterType(clusterAddRequest.getClusterType());
-        clusterDO.setConnectKeyList(JSONObject.toJSONString(clusterAddRequest.getConnectKeyList()));
+        clusterDO.setConnectKeyList(objectMapper.writeValueAsString(clusterAddRequest.getConnectKeyList()));
        clusterDO.setUserName(clusterAddRequest.getUserName());
        clusterDO.setPassword(clusterAddRequest.getPassword());
+        clusterDO.setNamespace(clusterAddRequest.getNamespace());
+        clusterDO.setClusterLevel(0);
        clusterAccessService.insert(clusterDO);
    }
 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/template/processor/ClusterDeleteProcessor.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/template/processor/ClusterDeleteProcessor.java
@ -14,15 +14,16 @@
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
+
 package com.alibaba.nacossync.template.processor;

-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Service;
-
 import com.alibaba.nacossync.dao.ClusterAccessService;
-import com.alibaba.nacossync.pojo.result.ClusterDeleteResult;
+import com.alibaba.nacossync.dao.TaskAccessService;
+import com.alibaba.nacossync.exception.SkyWalkerException;
 import com.alibaba.nacossync.pojo.request.ClusterDeleteRequest;
+import com.alibaba.nacossync.pojo.result.ClusterDeleteResult;
 import com.alibaba.nacossync.template.Processor;
+import org.springframework.stereotype.Service;

 /**
 * @author NacosSync
@ -30,15 +31,26 @@ import com.alibaba.nacossync.template.Processor;
 */
@Service
 public class ClusterDeleteProcessor implements Processor<ClusterDeleteRequest, ClusterDeleteResult> {
-
-    @Autowired
-    private ClusterAccessService clusterAccessService;
-
+    
+    private final ClusterAccessService clusterAccessService;
+    
+    private final TaskAccessService taskAccessService;
+    
+    public ClusterDeleteProcessor(ClusterAccessService clusterAccessService, TaskAccessService taskAccessService) {
+        this.clusterAccessService = clusterAccessService;
+        this.taskAccessService = taskAccessService;
+    }
+    
    @Override
-    public void process(ClusterDeleteRequest clusterDeleteRequest,
-                        ClusterDeleteResult clusterDeleteResult, Object... others) throws Exception {
-
+    public void process(ClusterDeleteRequest clusterDeleteRequest, ClusterDeleteResult clusterDeleteResult,
+            Object... others) throws Exception {
+        int count = taskAccessService.countByDestClusterIdOrSourceClusterId(clusterDeleteRequest.getClusterId(),
+                clusterDeleteRequest.getClusterId());
+        if (count > 0) {
+            throw new SkyWalkerException(String.format("集群下有%d个任务，请先删除任务", count));
+        }
+        
        clusterAccessService.deleteByClusterId(clusterDeleteRequest.getClusterId());
-
+        
    }
 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/template/processor/ClusterDetailQueryProcessor.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/template/processor/ClusterDetailQueryProcessor.java
@ -14,44 +14,37 @@
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
+
 package com.alibaba.nacossync.template.processor;

-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Service;
-
 import com.alibaba.nacossync.dao.ClusterAccessService;
-import com.alibaba.nacossync.pojo.result.ClusterDetailQueryResult;
 import com.alibaba.nacossync.pojo.model.ClusterDO;
 import com.alibaba.nacossync.pojo.request.ClusterDetailQueryRequest;
+import com.alibaba.nacossync.pojo.result.ClusterDetailQueryResult;
 import com.alibaba.nacossync.pojo.view.ClusterModel;
 import com.alibaba.nacossync.template.Processor;
+import org.springframework.stereotype.Service;

 /**
 * @author NacosSync
 * @version $Id: ClusterDetailQueryProcessor.java, v 0.1 2018-09-30 PM2:39 NacosSync Exp $$
 */
@Service
-public class ClusterDetailQueryProcessor
-                                        implements
-                                        Processor<ClusterDetailQueryRequest, ClusterDetailQueryResult> {
-    @Autowired
-    private ClusterAccessService clusterAccessService;
-
+public class ClusterDetailQueryProcessor implements Processor<ClusterDetailQueryRequest, ClusterDetailQueryResult> {
+    
+    private final ClusterAccessService clusterAccessService;
+    
+    public ClusterDetailQueryProcessor(ClusterAccessService clusterAccessService) {
+        this.clusterAccessService = clusterAccessService;
+    }
+    
    @Override
    public void process(ClusterDetailQueryRequest clusterDetailQueryRequest,
-                        ClusterDetailQueryResult clusterDetailQueryResult, Object... others)
-                                                                                            throws Exception {
-
-        ClusterDO clusterDO = clusterAccessService.findByClusterId(clusterDetailQueryRequest
-            .getClusterId());
-
-        ClusterModel clusterModel = new ClusterModel();
-        clusterModel.setClusterId(clusterDO.getClusterId());
-        clusterModel.setConnectKeyList(clusterDO.getConnectKeyList());
-        clusterModel.setClusterType(clusterDO.getClusterType());
-        clusterModel.setClusterName(clusterDO.getClusterName());
-
-        clusterDetailQueryResult.setClusterModel(clusterModel);
-
+            ClusterDetailQueryResult clusterDetailQueryResult, Object... others) throws Exception {
+        
+        ClusterDO clusterDO = clusterAccessService.findByClusterId(clusterDetailQueryRequest.getClusterId());
+        
+        clusterDetailQueryResult.setClusterModel(ClusterModel.from(clusterDO));
+        
    }
 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/template/processor/ClusterListQueryProcessor.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/template/processor/ClusterListQueryProcessor.java
@ -14,70 +14,60 @@
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
+
 package com.alibaba.nacossync.template.processor;

-import java.util.ArrayList;
-import java.util.List;
-
+import com.alibaba.nacossync.dao.ClusterAccessService;
 import com.alibaba.nacossync.pojo.QueryCondition;
+import com.alibaba.nacossync.pojo.model.ClusterDO;
+import com.alibaba.nacossync.pojo.request.ClusterListQueryRequest;
+import com.alibaba.nacossync.pojo.result.ClusterListQueryResult;
+import com.alibaba.nacossync.pojo.view.ClusterModel;
+import com.alibaba.nacossync.template.Processor;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.domain.Page;
 import org.springframework.stereotype.Service;

-import com.alibaba.nacossync.dao.ClusterAccessService;
-import com.alibaba.nacossync.pojo.result.ClusterListQueryResult;
-import com.alibaba.nacossync.pojo.model.ClusterDO;
-import com.alibaba.nacossync.pojo.request.ClusterListQueryRequest;
-import com.alibaba.nacossync.pojo.view.ClusterModel;
-import com.alibaba.nacossync.template.Processor;
+import java.util.List;

 /**
 * @author NacosSync
 * @version $Id: ClusterListQueryProcessor.java, v 0.1 2018-09-30 PM2:33 NacosSync Exp $$
 */
@Service
-public class ClusterListQueryProcessor implements
-        Processor<ClusterListQueryRequest, ClusterListQueryResult> {
-
-    @Autowired
-    private ClusterAccessService clusterAccessService;
-
+public class ClusterListQueryProcessor implements Processor<ClusterListQueryRequest, ClusterListQueryResult> {
+    
+    private final ClusterAccessService clusterAccessService;
+    
+    public ClusterListQueryProcessor(ClusterAccessService clusterAccessService) {
+        this.clusterAccessService = clusterAccessService;
+    }
+    
    @Override
-    public void process(ClusterListQueryRequest clusterListQueryRequest,
-                        ClusterListQueryResult clusterListQueryResult, Object... others) {
-
+    public void process(ClusterListQueryRequest clusterListQueryRequest, ClusterListQueryResult clusterListQueryResult,
+            Object... others) {
+        
        Page<ClusterDO> clusterDOS;
-
+        
        if (StringUtils.isNotBlank(clusterListQueryRequest.getClusterName())) {
-
+            
            QueryCondition queryCondition = new QueryCondition();
            queryCondition.setServiceName(clusterListQueryRequest.getClusterName());
            clusterDOS = clusterAccessService.findPageCriteria(clusterListQueryRequest.getPageNum() - 1,
                    clusterListQueryRequest.getPageSize(), queryCondition);
-
+            
        } else {
-
+            
            clusterDOS = clusterAccessService.findPageNoCriteria(clusterListQueryRequest.getPageNum() - 1,
                    clusterListQueryRequest.getPageSize());
-
+            
        }
-
-        List<ClusterModel> clusterModels = new ArrayList<>();
-        clusterDOS.forEach(clusterDO -> {
-
-            ClusterModel clusterModel = new ClusterModel();
-            clusterModel.setClusterId(clusterDO.getClusterId());
-            clusterModel.setClusterName(clusterDO.getClusterName());
-            clusterModel.setClusterType(clusterDO.getClusterType());
-            clusterModel.setConnectKeyList(clusterDO.getConnectKeyList());
-            clusterModels.add(clusterModel);
-        });
-
+        List<ClusterModel> clusterModels = clusterDOS.stream().map(ClusterModel::from).toList();
        clusterListQueryResult.setClusterModels(clusterModels);
        clusterListQueryResult.setTotalPage(clusterDOS.getTotalPages());
        clusterListQueryResult.setCurrentSize(clusterModels.size());
        clusterListQueryResult.setTotalSize(clusterDOS.getTotalElements());
-
+        
    }
 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/template/processor/TaskAddAllProcessor.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/template/processor/TaskAddAllProcessor.java
@ -0,0 +1,250 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.alibaba.nacossync.template.processor;
+
+import com.alibaba.nacos.api.exception.NacosException;
+import com.alibaba.nacos.api.naming.CommonParams;
+import com.alibaba.nacos.api.naming.NamingService;
+import com.alibaba.nacos.client.naming.NacosNamingService;
+import com.alibaba.nacos.client.naming.net.NamingProxy;
+import com.alibaba.nacos.client.naming.utils.UtilAndComs;
+import com.alibaba.nacos.common.utils.HttpMethod;
+import com.alibaba.nacos.common.utils.JacksonUtils;
+import com.alibaba.nacos.common.utils.StringUtils;
+import com.alibaba.nacossync.constant.TaskStatusEnum;
+import com.alibaba.nacossync.dao.ClusterAccessService;
+import com.alibaba.nacossync.dao.TaskAccessService;
+import com.alibaba.nacossync.exception.SkyWalkerException;
+import com.alibaba.nacossync.extension.SyncManagerService;
+import com.alibaba.nacossync.extension.holder.NacosServerHolder;
+import com.alibaba.nacossync.pojo.model.ClusterDO;
+import com.alibaba.nacossync.pojo.model.TaskDO;
+import com.alibaba.nacossync.pojo.request.TaskAddAllRequest;
+import com.alibaba.nacossync.pojo.request.TaskAddRequest;
+import com.alibaba.nacossync.pojo.result.TaskAddResult;
+import com.alibaba.nacossync.template.Processor;
+import com.alibaba.nacossync.util.SkyWalkerUtil;
+import lombok.Data;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+import org.springframework.util.ReflectionUtils;
+
+import javax.annotation.Nullable;
+import java.lang.reflect.Field;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+
+import static com.alibaba.nacossync.constant.SkyWalkerConstants.GROUP_NAME_PARAM;
+import static com.alibaba.nacossync.constant.SkyWalkerConstants.PAGE_NO;
+import static com.alibaba.nacossync.constant.SkyWalkerConstants.PAGE_SIZE;
+import static com.alibaba.nacossync.constant.SkyWalkerConstants.SERVICE_NAME_PARAM;
+
+/**
+ * @author NacosSync
+ * @version $Id: TaskAddAllProcessor.java, v 0.1 2022-03-23 PM11:40 NacosSync Exp $$
+ */
+@Slf4j
+@Service
+public class TaskAddAllProcessor implements Processor<TaskAddAllRequest, TaskAddResult> {
+    
+    private static final String CONSUMER_PREFIX = "consumers:";
+    
+    private final NacosServerHolder nacosServerHolder;
+    
+    private final SyncManagerService syncManagerService;
+    
+    private final TaskAccessService taskAccessService;
+    
+    private final ClusterAccessService clusterAccessService;
+    
+    public TaskAddAllProcessor(NacosServerHolder nacosServerHolder, SyncManagerService syncManagerService,
+            TaskAccessService taskAccessService, ClusterAccessService clusterAccessService) {
+        this.nacosServerHolder = nacosServerHolder;
+        this.syncManagerService = syncManagerService;
+        this.taskAccessService = taskAccessService;
+        this.clusterAccessService = clusterAccessService;
+    }
+    
+    @Override
+    public void process(TaskAddAllRequest addAllRequest, TaskAddResult taskAddResult, Object... others)
+            throws Exception {
+        
+        ClusterDO destCluster = clusterAccessService.findByClusterId(addAllRequest.getDestClusterId());
+        
+        ClusterDO sourceCluster = clusterAccessService.findByClusterId(addAllRequest.getSourceClusterId());
+        
+        if (Objects.isNull(destCluster) || Objects.isNull(sourceCluster)) {
+            throw new SkyWalkerException("Please check if the source or target cluster exists.");
+        }
+        
+        if (Objects.isNull(syncManagerService.getSyncService(sourceCluster.getClusterId(), destCluster.getClusterId()))) {
+            throw new SkyWalkerException("current sync type not supported.");
+        }
+        // TODO 目前仅支持 Nacos 为源的同步类型，待完善更多类型支持。
+        final NamingService sourceNamingService = nacosServerHolder.get(sourceCluster.getClusterId());
+        if (sourceNamingService == null) {
+            throw new SkyWalkerException("only support sync type that the source of the Nacos.");
+        }
+        
+        final EnhanceNamingService enhanceNamingService = new EnhanceNamingService(sourceNamingService);
+        final CatalogServiceResult catalogServiceResult = enhanceNamingService.catalogServices(null, null);
+        if (catalogServiceResult == null || catalogServiceResult.getCount() <= 0) {
+            throw new SkyWalkerException("sourceCluster data empty");
+        }
+        
+        for (ServiceView serviceView : catalogServiceResult.getServiceList()) {
+            // exclude subscriber
+            if (addAllRequest.isExcludeConsumer() && serviceView.getName().startsWith(CONSUMER_PREFIX)) {
+                continue;
+            }
+            TaskAddRequest taskAddRequest = new TaskAddRequest();
+            taskAddRequest.setSourceClusterId(sourceCluster.getClusterId());
+            taskAddRequest.setDestClusterId(destCluster.getClusterId());
+            taskAddRequest.setServiceName(serviceView.getName());
+            taskAddRequest.setGroupName(serviceView.getGroupName());
+            this.dealTask(addAllRequest, taskAddRequest);
+        }
+    }
+    
+    private void dealTask(TaskAddAllRequest addAllRequest, TaskAddRequest taskAddRequest) throws Exception {
+        
+        String taskId = SkyWalkerUtil.generateTaskId(taskAddRequest);
+        TaskDO taskDO = taskAccessService.findByTaskId(taskId);
+        if (null == taskDO) {
+            taskDO = new TaskDO();
+            taskDO.setTaskId(taskId);
+            taskDO.setDestClusterId(addAllRequest.getDestClusterId());
+            taskDO.setSourceClusterId(addAllRequest.getSourceClusterId());
+            taskDO.setServiceName(taskAddRequest.getServiceName());
+            taskDO.setVersion(taskAddRequest.getVersion());
+            taskDO.setGroupName(taskAddRequest.getGroupName());
+            taskDO.setNameSpace(taskAddRequest.getNameSpace());
+            taskDO.setTaskStatus(TaskStatusEnum.SYNC.getCode());
+            taskDO.setWorkerIp(SkyWalkerUtil.getLocalIp());
+            taskDO.setOperationId(SkyWalkerUtil.generateOperationId());
+            
+        } else {
+            taskDO.setTaskStatus(TaskStatusEnum.SYNC.getCode());
+            taskDO.setOperationId(SkyWalkerUtil.generateOperationId());
+        }
+        taskAccessService.addTask(taskDO);
+    }
+    
+    static class EnhanceNamingService {
+        
+        protected NamingService delegate;
+        
+        protected NamingProxy serverProxy;
+        
+        protected EnhanceNamingService(NamingService namingService) {
+            if (!(namingService instanceof NacosNamingService)) {
+                throw new IllegalArgumentException(
+                        "namingService only support instance of com.alibaba.nacos.client.naming.NacosNamingService.");
+            }
+            this.delegate = namingService;
+            
+            // serverProxy
+            final Field serverProxyField = ReflectionUtils.findField(NacosNamingService.class, "serverProxy");
+            assert serverProxyField != null;
+            ReflectionUtils.makeAccessible(serverProxyField);
+            this.serverProxy = (NamingProxy) ReflectionUtils.getField(serverProxyField, delegate);
+        }
+        
+        public CatalogServiceResult catalogServices(@Nullable String serviceName, @Nullable String group)
+                throws NacosException {
+            int pageNo = 1; // start with 1
+            int pageSize = 100;
+            
+            final CatalogServiceResult result = catalogServices(serviceName, group, pageNo, pageSize);
+            
+            CatalogServiceResult tmpResult = result;
+            
+            while (Objects.nonNull(tmpResult) && tmpResult.serviceList.size() >= pageSize) {
+                pageNo++;
+                tmpResult = catalogServices(serviceName, group, pageNo, pageSize);
+                
+                if (tmpResult != null) {
+                    result.serviceList.addAll(tmpResult.serviceList);
+                }
+            }
+            
+            return result;
+        }
+        
+        /**
+         * @see com.alibaba.nacos.client.naming.core.HostReactor#getServiceInfoDirectlyFromServer(String, String)
+         */
+        public CatalogServiceResult catalogServices(@Nullable String serviceName, @Nullable String group, int pageNo,
+                int pageSize) throws NacosException {
+            
+            // pageNo
+            // pageSize
+            // serviceNameParam
+            // groupNameParam
+            final Map<String, String> params = new HashMap<>(8);
+            params.put(CommonParams.NAMESPACE_ID, serverProxy.getNamespaceId());
+            params.put(SERVICE_NAME_PARAM, serviceName);
+            params.put(GROUP_NAME_PARAM, group);
+            params.put(PAGE_NO, String.valueOf(pageNo));
+            params.put(PAGE_SIZE, String.valueOf(pageSize));
+            
+            final String result = this.serverProxy.reqApi(UtilAndComs.nacosUrlBase + "/catalog/services", params,
+                    HttpMethod.GET);
+            if (StringUtils.isNotEmpty(result)) {
+                return JacksonUtils.toObj(result, CatalogServiceResult.class);
+            }
+            return null;
+        }
+        
+    }
+    
+    /**
+     * Copy from Nacos Server.
+     */
+    @Data
+    static class ServiceView {
+        
+        private String name;
+        
+        private String groupName;
+        
+        private int clusterCount;
+        
+        private int ipCount;
+        
+        private int healthyInstanceCount;
+        
+        private String triggerFlag;
+        
+    }
+    
+    @Data
+    static class CatalogServiceResult {
+        
+        /**
+         * count，not equal serviceList.size .
+         */
+        private int count;
+        
+        private List<ServiceView> serviceList;
+        
+    }
+    
+}
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/template/processor/TaskAddProcessor.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/template/processor/TaskAddProcessor.java
@ -89,7 +89,7 @@ public class TaskAddProcessor implements Processor<TaskAddRequest, TaskAddResult
            taskDO.setTaskStatus(TaskStatusEnum.SYNC.getCode());
            taskDO.setWorkerIp(SkyWalkerUtil.getLocalIp());
            taskDO.setOperationId(SkyWalkerUtil.generateOperationId());
-
+            
        } else {

            taskDO.setTaskStatus(TaskStatusEnum.SYNC.getCode());
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/template/processor/TaskDeleteInBatchProcessor.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/template/processor/TaskDeleteInBatchProcessor.java
@ -16,19 +16,12 @@
 */
 package com.alibaba.nacossync.template.processor;

-import java.util.ArrayList;
-import java.util.List;
-
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Service;
-
 import com.alibaba.nacossync.dao.TaskAccessService;
-import com.alibaba.nacossync.pojo.model.TaskDO;
 import com.alibaba.nacossync.pojo.request.TaskDeleteInBatchRequest;
 import com.alibaba.nacossync.pojo.result.BaseResult;
 import com.alibaba.nacossync.template.Processor;
-
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;


 /**
@ -40,20 +33,15 @@ import lombok.extern.slf4j.Slf4j;
@Service
 public class TaskDeleteInBatchProcessor implements Processor<TaskDeleteInBatchRequest, BaseResult> {

-    @Autowired
-    private TaskAccessService taskAccessService;
-
+    private final TaskAccessService taskAccessService;
+    
+    public TaskDeleteInBatchProcessor(TaskAccessService taskAccessService) {
+        this.taskAccessService = taskAccessService;
+    }
+    
    @Override
    public void process(TaskDeleteInBatchRequest taskBatchDeleteRequest, BaseResult baseResult,
                        Object... others) {
-//    	
-//    	String[] taskIds= taskBatchDeleteRequest.getTaskIds();
-//    	List<TaskDO> taskDOs = new ArrayList<TaskDO>();
-//    	for (String taskId : taskIds) {
-//    		TaskDO taskDO = new TaskDO();
-//    		taskDO.setTaskId(taskId);
-//    		taskDOs.add(taskDO);
-//		}
        taskAccessService.deleteTaskInBatch(taskBatchDeleteRequest.getTaskIds());
    }
 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/template/processor/TaskDeleteProcessor.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/template/processor/TaskDeleteProcessor.java
@ -14,9 +14,12 @@
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
+
 package com.alibaba.nacossync.template.processor;

+import com.alibaba.nacossync.constant.SkyWalkerConstants;
 import com.alibaba.nacossync.dao.TaskAccessService;
+import com.alibaba.nacossync.event.DeleteAllSubTaskEvent;
 import com.alibaba.nacossync.event.DeleteTaskEvent;
 import com.alibaba.nacossync.pojo.model.TaskDO;
 import com.alibaba.nacossync.pojo.request.TaskDeleteRequest;
@ -24,7 +27,6 @@ import com.alibaba.nacossync.pojo.result.BaseResult;
 import com.alibaba.nacossync.template.Processor;
 import com.google.common.eventbus.EventBus;
 import lombok.extern.slf4j.Slf4j;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;

 /**
@ -34,18 +36,28 @@ import org.springframework.stereotype.Service;
@Slf4j
@Service
 public class TaskDeleteProcessor implements Processor<TaskDeleteRequest, BaseResult> {
-
-    @Autowired
-    private TaskAccessService taskAccessService;
-    @Autowired
-    private EventBus eventBus;
-
+    
+    private final TaskAccessService taskAccessService;
+    
+    private final EventBus eventBus;
+    
+    public TaskDeleteProcessor(TaskAccessService taskAccessService, EventBus eventBus) {
+        this.taskAccessService = taskAccessService;
+        this.eventBus = eventBus;
+    }
+    
    @Override
-    public void process(TaskDeleteRequest taskDeleteRequest, BaseResult baseResult,
-                        Object... others) {
+    public void process(TaskDeleteRequest taskDeleteRequest, BaseResult baseResult, Object... others) {
        TaskDO taskDO = taskAccessService.findByTaskId(taskDeleteRequest.getTaskId());
-        eventBus.post(new DeleteTaskEvent(taskDO));
-        log.info("删除同步任务数据之前，发出一个同步事件:" + taskDO);
+        // delete all sub task when ServiceName is all
+        if (SkyWalkerConstants.NACOS_ALL_SERVICE_NAME.equalsIgnoreCase(taskDO.getServiceName())) {
+            eventBus.post(new DeleteAllSubTaskEvent(taskDO));
+        } else {
+            eventBus.post(new DeleteTaskEvent(taskDO));
+        }
+        log.info("删除同步任务数据之前，发出一个同步事件:{}", taskDO);
        taskAccessService.deleteTaskById(taskDeleteRequest.getTaskId());
    }
+    
+    
 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/template/processor/TaskDetailProcessor.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/template/processor/TaskDetailProcessor.java
@ -14,17 +14,17 @@
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
+
 package com.alibaba.nacossync.template.processor;

 import com.alibaba.nacossync.dao.TaskAccessService;
 import com.alibaba.nacossync.exception.SkyWalkerException;
-import com.alibaba.nacossync.pojo.result.TaskDetailQueryResult;
 import com.alibaba.nacossync.pojo.model.TaskDO;
 import com.alibaba.nacossync.pojo.request.TaskDetailQueryRequest;
+import com.alibaba.nacossync.pojo.result.TaskDetailQueryResult;
 import com.alibaba.nacossync.pojo.view.TaskModel;
 import com.alibaba.nacossync.template.Processor;
 import lombok.extern.slf4j.Slf4j;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;

 /**
@ -34,29 +34,23 @@ import org.springframework.stereotype.Service;
@Slf4j
@Service
 public class TaskDetailProcessor implements Processor<TaskDetailQueryRequest, TaskDetailQueryResult> {
-
-    @Autowired
-    private TaskAccessService taskAccessService;
-
+    
+    private final TaskAccessService taskAccessService;
+    
+    public TaskDetailProcessor(TaskAccessService taskAccessService) {
+        this.taskAccessService = taskAccessService;
+    }
+    
    @Override
-    public void process(TaskDetailQueryRequest taskDetailQueryRequest, TaskDetailQueryResult taskDetailQueryResult, Object... others)
-            throws Exception {
-
+    public void process(TaskDetailQueryRequest taskDetailQueryRequest, TaskDetailQueryResult taskDetailQueryResult,
+            Object... others) throws Exception {
+        
        TaskDO taskDO = taskAccessService.findByTaskId(taskDetailQueryRequest.getTaskId());
-
+        
        if (null == taskDO) {
            throw new SkyWalkerException("taskDo is null,taskId :" + taskDetailQueryRequest.getTaskId());
        }
-
-        TaskModel taskModel = new TaskModel();
-
-        taskModel.setDestClusterId(taskDO.getDestClusterId());
-        taskModel.setGroupName(taskDO.getGroupName());
-        taskModel.setServiceName(taskDO.getServiceName());
-        taskModel.setSourceClusterId(taskDO.getSourceClusterId());
-        taskModel.setTaskStatus(taskDO.getTaskStatus());
-        taskModel.setTaskId(taskDO.getTaskId());
-
-        taskDetailQueryResult.setTaskModel(taskModel);
+        
+        taskDetailQueryResult.setTaskModel(TaskModel.from(taskDO));
    }
 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/template/processor/TaskListQueryProcessor.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/template/processor/TaskListQueryProcessor.java
@ -14,25 +14,23 @@
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
+
 package com.alibaba.nacossync.template.processor;

-import java.util.ArrayList;
-import java.util.List;
-
+import com.alibaba.nacossync.dao.TaskAccessService;
 import com.alibaba.nacossync.pojo.QueryCondition;
 import com.alibaba.nacossync.pojo.model.TaskDO;
+import com.alibaba.nacossync.pojo.request.TaskListQueryRequest;
+import com.alibaba.nacossync.pojo.result.TaskListQueryResult;
+import com.alibaba.nacossync.pojo.view.TaskModel;
+import com.alibaba.nacossync.template.Processor;
 import lombok.extern.slf4j.Slf4j;
-
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.domain.Page;
 import org.springframework.stereotype.Service;

-import com.alibaba.nacossync.dao.TaskAccessService;
-import com.alibaba.nacossync.pojo.result.TaskListQueryResult;
-import com.alibaba.nacossync.pojo.request.TaskListQueryRequest;
-import com.alibaba.nacossync.pojo.view.TaskModel;
-import com.alibaba.nacossync.template.Processor;
+import java.util.List;

 /**
 * @author NacosSync
@ -41,42 +39,34 @@ import com.alibaba.nacossync.template.Processor;
@Service
@Slf4j
 public class TaskListQueryProcessor implements Processor<TaskListQueryRequest, TaskListQueryResult> {
-
-    @Autowired
-    private TaskAccessService taskAccessService;
-
+    
+    private final TaskAccessService taskAccessService;
+    
+    public TaskListQueryProcessor(TaskAccessService taskAccessService) {
+        this.taskAccessService = taskAccessService;
+    }
+    
    @Override
-    public void process(TaskListQueryRequest taskListQueryRequest,
-                        TaskListQueryResult taskListQueryResult, Object... others) {
-
+    public void process(TaskListQueryRequest taskListQueryRequest, TaskListQueryResult taskListQueryResult,
+            Object... others) {
+        
        Page<TaskDO> taskDOPage;
-
+        
        if (StringUtils.isNotBlank(taskListQueryRequest.getServiceName())) {
-
+            
            QueryCondition queryCondition = new QueryCondition();
            queryCondition.setServiceName(taskListQueryRequest.getServiceName());
            taskDOPage = taskAccessService.findPageCriteria(taskListQueryRequest.getPageNum() - 1,
                    taskListQueryRequest.getPageSize(), queryCondition);
        } else {
-
+            
            taskDOPage = taskAccessService.findPageNoCriteria(taskListQueryRequest.getPageNum() - 1,
                    taskListQueryRequest.getPageSize());
-
+            
        }
-
-        List<TaskModel> taskList = new ArrayList<>();
-
-        taskDOPage.forEach(taskDO -> {
-            TaskModel taskModel = new TaskModel();
-            taskModel.setTaskId(taskDO.getTaskId());
-            taskModel.setDestClusterId(taskDO.getDestClusterId());
-            taskModel.setSourceClusterId(taskDO.getSourceClusterId());
-            taskModel.setServiceName(taskDO.getServiceName());
-            taskModel.setGroupName(taskDO.getGroupName());
-            taskModel.setTaskStatus(taskDO.getTaskStatus());
-            taskList.add(taskModel);
-        });
-
+        
+        List<TaskModel> taskList = taskDOPage.stream().map(TaskModel::from).toList();
+        
        taskListQueryResult.setTaskModels(taskList);
        taskListQueryResult.setTotalPage(taskDOPage.getTotalPages());
        taskListQueryResult.setTotalSize(taskDOPage.getTotalElements());
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/template/processor/TaskUpdateProcessor.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/template/processor/TaskUpdateProcessor.java
@ -14,21 +14,19 @@
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
+
 package com.alibaba.nacossync.template.processor;

-import com.alibaba.nacossync.util.SkyWalkerUtil;
-import lombok.extern.slf4j.Slf4j;
-
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Service;
-
 import com.alibaba.nacossync.constant.TaskStatusEnum;
 import com.alibaba.nacossync.dao.TaskAccessService;
 import com.alibaba.nacossync.exception.SkyWalkerException;
-import com.alibaba.nacossync.pojo.result.BaseResult;
 import com.alibaba.nacossync.pojo.model.TaskDO;
 import com.alibaba.nacossync.pojo.request.TaskUpdateRequest;
+import com.alibaba.nacossync.pojo.result.BaseResult;
 import com.alibaba.nacossync.template.Processor;
+import com.alibaba.nacossync.util.SkyWalkerUtil;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;

 /**
 * @author NacosSync
@ -37,29 +35,33 @@ import com.alibaba.nacossync.template.Processor;
@Slf4j
@Service
 public class TaskUpdateProcessor implements Processor<TaskUpdateRequest, BaseResult> {
-    @Autowired
-    private TaskAccessService taskAccessService;
-
+    
+    private final TaskAccessService taskAccessService;
+    
+    public TaskUpdateProcessor(TaskAccessService taskAccessService) {
+        this.taskAccessService = taskAccessService;
+    }
+    
    @Override
-    public void process(TaskUpdateRequest taskUpdateRequest, BaseResult baseResult,
-                        Object... others) throws Exception {
-
+    public void process(TaskUpdateRequest taskUpdateRequest, BaseResult baseResult, Object... others) throws Exception {
+        
        TaskDO taskDO = taskAccessService.findByTaskId(taskUpdateRequest.getTaskId());
-
+        
        if (!TaskStatusEnum.contains(taskUpdateRequest.getTaskStatus())) {
            throw new SkyWalkerException(
-                    "taskUpdateRequest.getTaskStatus() is not exist , value is :"
-                            + taskUpdateRequest.getTaskStatus());
+                    "taskUpdateRequest.getTaskStatus() is not exist , value is :" + taskUpdateRequest.getTaskStatus());
        }
-
+        
        if (null == taskDO) {
-            throw new SkyWalkerException("taskDo is null ,taskId is :"
-                    + taskUpdateRequest.getTaskId());
+            throw new SkyWalkerException("taskDo is null ,taskId is :" + taskUpdateRequest.getTaskId());
        }
-
+        
        taskDO.setTaskStatus(taskUpdateRequest.getTaskStatus());
+        
        taskDO.setOperationId(SkyWalkerUtil.generateOperationId());
-
+        
        taskAccessService.addTask(taskDO);
    }
+    
+    
 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/timer/CheckRunningStatusAllNacosThread.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/timer/CheckRunningStatusAllNacosThread.java
@ -0,0 +1,252 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.alibaba.nacossync.timer;
+
+import com.alibaba.nacos.api.naming.NamingService;
+import com.alibaba.nacos.api.naming.pojo.ListView;
+import com.alibaba.nacos.client.naming.utils.CollectionUtils;
+import com.alibaba.nacossync.constant.MetricsStatisticsType;
+import com.alibaba.nacossync.constant.TaskStatusEnum;
+import com.alibaba.nacossync.dao.TaskAccessService;
+import com.alibaba.nacossync.event.DeleteAllSubTaskEvent;
+import com.alibaba.nacossync.event.DeleteTaskEvent;
+import com.alibaba.nacossync.event.SyncTaskEvent;
+import com.alibaba.nacossync.extension.holder.NacosServerHolder;
+import com.alibaba.nacossync.monitor.MetricsManager;
+import com.alibaba.nacossync.pojo.model.TaskDO;
+import com.alibaba.nacossync.util.BatchTaskExecutor;
+import com.alibaba.nacossync.util.SkyWalkerUtil;
+import com.google.common.eventbus.EventBus;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.BeanUtils;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.stream.Collectors;
+
+/**
+ * when the database task service name is empty, check all the services in the cluster and create a synchronization
+ * task.
+ */
+@Slf4j
+public class CheckRunningStatusAllNacosThread implements Runnable {
+    
+    private final Map<String, Set<String>> subTaskService = new ConcurrentHashMap<>();
+    
+    private final MetricsManager metricsManager;
+    
+    private final TaskAccessService taskAccessService;
+    
+    private final NacosServerHolder nacosServerHolder;
+    
+    private final EventBus eventBus;
+    
+    
+    public CheckRunningStatusAllNacosThread(MetricsManager metricsManager, TaskAccessService taskAccessService,
+            NacosServerHolder nacosServerHolder, EventBus eventBus) {
+        this.metricsManager = metricsManager;
+        this.taskAccessService = taskAccessService;
+        this.nacosServerHolder = nacosServerHolder;
+        this.eventBus = eventBus;
+    }
+    
+    /**
+     * Synchronize data based on the ns level.
+     */
+    @Override
+    public void run() {
+        
+        try {
+            List<TaskDO> tasks = taskAccessService.findAllByServiceNameEqualAll();
+            if (CollectionUtils.isEmpty(tasks)) {
+                return;
+            }
+            
+            // Get the set of all task IDs
+            Set<String> taskIdSet = tasks.stream().map(TaskDO::getTaskId).collect(Collectors.toSet());
+            
+            // Filter and handle sub-tasks that need to be deleted. This handles the case where tasks have been deleted
+            // but sub-tasks still exist.
+            subTaskService.entrySet().stream()
+                    .filter(entry -> shouldDeleteSubTasks(entry, taskIdSet))
+                    .forEach(entry -> postDeleteAllSubTaskEvent(entry.getKey()));
+            
+            // Handle regular tasks
+            tasks.forEach(this::processTask);
+        } catch (Exception e) {
+            log.warn("CheckRunningStatusThread Exception", e);
+            metricsManager.recordError(MetricsStatisticsType.DISPATCHER_TASK);
+        }
+    }
+    
+    /**
+     * Listens for the event of deleting all sub-tasks and handles the delete operation.
+     *
+     * @param deleteAllSubTaskEvent The event object containing the task information to be deleted.
+     */
+    public void listenerDeleteAllTaskEvent(DeleteAllSubTaskEvent deleteAllSubTaskEvent) {
+        // Retrieve the task object
+        TaskDO task = deleteAllSubTaskEvent.getTaskDO();
+        
+        // Retrieve the task ID
+        String taskId = task.getTaskId();
+        
+        // Remove the set of service names corresponding to the task ID from subTaskService
+        Set<String> serviceNameSet = subTaskService.remove(taskId);
+        
+        // If the set of service names is empty, return immediately
+        if (CollectionUtils.isEmpty(serviceNameSet)) {
+            return;
+        }
+        
+        // Build the list of sub-tasks pending removal
+        List<TaskDO> servicesPendingRemoval = serviceNameSet.stream()
+                .map(serviceName -> buildSubTaskDO(task, serviceName))
+                .toList();
+        
+        // Handle the removal of the pending sub-tasks
+        handleRemoval(servicesPendingRemoval, serviceNameSet);
+    }
+    
+    
+    private boolean shouldDeleteSubTasks(Map.Entry<String, Set<String>> entry, Set<String> taskIdSet) {
+        return !taskIdSet.contains(entry.getKey()) && !entry.getValue().isEmpty();
+    }
+    
+    private void postDeleteAllSubTaskEvent(String taskId) {
+        TaskDO taskDO = new TaskDO();
+        taskDO.setTaskId(taskId);
+        eventBus.post(new DeleteAllSubTaskEvent(taskDO));
+    }
+    
+    /**
+     * Processes the given task by determining the services that need to be inserted and removed,
+     * and performs the corresponding operations.
+     *
+     * @param task The task object to be processed.
+     */
+    private void processTask(TaskDO task) {
+        // Retrieve the set of services for the task, creating a new set if it does not exist
+        Set<String> serviceSet = subTaskService.computeIfAbsent(task.getTaskId(), k -> ConcurrentHashMap.newKeySet());
+        
+        // Get the list of all service names associated with the task
+        List<String> serviceNameList = getAllServiceName(task);
+        
+        // Determine the services that need to be inserted (those not in the current service set)
+        List<TaskDO> servicesPendingInsertion = serviceNameList.stream()
+                .filter(serviceName -> !serviceSet.contains(serviceName))
+                .map(serviceName -> buildSubTaskDO(task, serviceName))
+                .toList();
+        
+        // Determine the services that need to be removed (those in the current service set but not in the service name list)
+        List<TaskDO> servicesPendingRemoval = serviceSet.stream()
+                .filter(serviceName -> !serviceNameList.contains(serviceName))
+                .map(serviceName -> buildSubTaskDO(task, serviceName))
+                .toList();
+        
+        
+        // If all lists are empty, there is nothing to process
+        if (CollectionUtils.isEmpty(serviceNameList) && CollectionUtils.isEmpty(servicesPendingInsertion)
+                && CollectionUtils.isEmpty(servicesPendingRemoval)) {
+            log.debug("No service found for task: {}", task.getTaskId());
+            return;
+        }
+        
+        
+        // If the task status is SYNC, handle the insertion of services
+        if (TaskStatusEnum.SYNC.getCode().equals(task.getTaskStatus())) {
+            handleInsertion(servicesPendingInsertion, serviceSet);
+        }
+        // Handle the removal of services
+        handleRemoval(servicesPendingRemoval, serviceSet);
+        
+        if (TaskStatusEnum.DELETE.getCode().equals(task.getTaskStatus())) {
+            List<TaskDO> allSubTasks = serviceNameList.stream().map(serviceName -> buildSubTaskDO(task, serviceName))
+                    .collect(Collectors.toList());
+            handleRemoval(allSubTasks, serviceSet);
+        }
+    }
+    
+    /**
+     * Handles the insertion of services.
+     *
+     * @param servicesPendingInsertion The list of services to be inserted.
+     * @param serviceSet The set of services.
+     */
+    private void handleInsertion(List<TaskDO> servicesPendingInsertion, Set<String> serviceSet) {
+        BatchTaskExecutor.batchOperation(servicesPendingInsertion, t -> {
+            eventBus.post(new SyncTaskEvent(t));
+            serviceSet.add(t.getServiceName());
+        });
+    }
+    /**
+     * Handles the removal of services.
+     *
+     * @param servicesPendingRemoval The list of services to be removed.
+     * @param serviceSet The set of services.
+     */
+    private void handleRemoval(List<TaskDO> servicesPendingRemoval, Set<String> serviceSet) {
+        BatchTaskExecutor.batchOperation(servicesPendingRemoval, t -> {
+            eventBus.post(new DeleteTaskEvent(t));
+            serviceSet.remove(t.getServiceName());
+        });
+    }
+    /**
+     * Builds a sub-task object for the given task and service name.
+     *
+     * @param serviceName The service name.
+     * @return The constructed sub-task object.
+     */
+    private static TaskDO buildSubTaskDO(TaskDO taskDO, String serviceName) {
+        TaskDO task = new TaskDO();
+        
+        BeanUtils.copyProperties(taskDO, task);
+        task.setTaskId(SkyWalkerUtil.generateTaskId(serviceName, taskDO.getGroupName(), taskDO.getSourceClusterId(),
+                taskDO.getDestClusterId()));
+        task.setServiceName(serviceName);
+        return task;
+    }
+    
+    /**
+     * Retrieves all service names associated with the given task.
+     *
+     * @return A list of service names.
+     */
+    private List<String> getAllServiceName(TaskDO taskDO) {
+        NamingService namingService = nacosServerHolder.get(taskDO.getSourceClusterId());
+        if (namingService == null) {
+            log.warn("naming service is null or not found, clusterId:{}", taskDO.getSourceClusterId());
+            return Collections.emptyList();
+        }
+        try {
+            ListView<String> servicesOfServer = namingService.getServicesOfServer(0, Integer.MAX_VALUE,
+                    taskDO.getGroupName());
+            return servicesOfServer.getData();
+        } catch (Exception e) {
+            log.error("query service list failure", e);
+        }
+        
+        return Collections.emptyList();
+    }
+    
+    
+   
+}
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/timer/CleanExceedOperationIdTimer.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/timer/CleanExceedOperationIdTimer.java
@ -14,24 +14,23 @@
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
+
 package com.alibaba.nacossync.timer;

-import java.util.HashSet;
-import java.util.Map;
-import java.util.Set;
-import java.util.concurrent.ScheduledExecutorService;
-import java.util.concurrent.TimeUnit;
-
-import lombok.extern.slf4j.Slf4j;
-
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.boot.CommandLineRunner;
-import org.springframework.stereotype.Service;
-
 import com.alibaba.nacossync.cache.SkyWalkerCacheServices;
 import com.alibaba.nacossync.dao.TaskAccessService;
 import com.alibaba.nacossync.pojo.FinishedTask;
 import com.alibaba.nacossync.pojo.model.TaskDO;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.stereotype.Service;
+
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
+import java.util.stream.Collectors;
+import java.util.stream.StreamSupport;

 /**
 * @author NacosSync
@ -40,57 +39,53 @@ import com.alibaba.nacossync.pojo.model.TaskDO;
@Slf4j
@Service
 public class CleanExceedOperationIdTimer implements CommandLineRunner {
-
-    @Autowired
-    private SkyWalkerCacheServices   skyWalkerCacheServices;
-
-    @Autowired
-    private TaskAccessService        taskAccessService;
-
-    @Autowired
-    private ScheduledExecutorService scheduledExecutorService;
-
+    
+    private static final long INITIAL_DELAY = 0;
+    
+    private static final long PERIOD = 12;
+    
+    private final SkyWalkerCacheServices skyWalkerCacheServices;
+    
+    private final TaskAccessService taskAccessService;
+    
+    private final ScheduledExecutorService scheduledExecutorService;
+    
+    public CleanExceedOperationIdTimer(SkyWalkerCacheServices skyWalkerCacheServices,
+            TaskAccessService taskAccessService, ScheduledExecutorService scheduledExecutorService) {
+        this.skyWalkerCacheServices = skyWalkerCacheServices;
+        this.taskAccessService = taskAccessService;
+        this.scheduledExecutorService = scheduledExecutorService;
+    }
+    
    @Override
    public void run(String... args) {
        /** Clean up the OperationId cache once every 12 hours */
-        scheduledExecutorService.scheduleWithFixedDelay(new CleanExceedOperationIdThread(), 0, 12,
-            TimeUnit.HOURS);
-
+        scheduledExecutorService.scheduleWithFixedDelay(new CleanExceedOperationIdThread(), INITIAL_DELAY, PERIOD,
+                TimeUnit.HOURS);
+        log.info("CleanExceedOperationIdTimer has started successfully");
+        
    }
-
+    
    private class CleanExceedOperationIdThread implements Runnable {
-
+        
        @Override
        public void run() {
-
+            
            try {
-
-                Map<String, FinishedTask> finishedTaskMap = skyWalkerCacheServices
-                    .getFinishedTaskMap();
-
-                Iterable<TaskDO> taskDOS = taskAccessService.findAll();
-
-                Set<String> operationIds = getDbOperations(taskDOS);
-
-                for (String operationId : finishedTaskMap.keySet()) {
-
-                    if (!operationIds.contains(operationId)) {
-
-                        finishedTaskMap.remove(operationId);
-                    }
-                }
-
+                
+                Map<String, FinishedTask> finishedTaskMap = skyWalkerCacheServices.getFinishedTaskMap();
+                Set<String> operationIds = getDbOperations(taskAccessService.findAll());
+                finishedTaskMap.keySet().removeIf(operationId -> !operationIds.contains(operationId));
+                
            } catch (Exception e) {
                log.warn("CleanExceedOperationIdThread Exception", e);
            }
-
+            
        }
-
+        
        private Set<String> getDbOperations(Iterable<TaskDO> taskDOS) {
-            Set<String> operationIds = new HashSet<>();
-
-            taskDOS.forEach(taskDO -> operationIds.add(taskDO.getOperationId()));
-            return operationIds;
+            return StreamSupport.stream(taskDOS.spliterator(), false).map(TaskDO::getOperationId)
+                    .collect(Collectors.toSet());
        }
    }
 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/timer/QuerySyncTaskTimer.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/timer/QuerySyncTaskTimer.java
@ -22,14 +22,15 @@ import com.alibaba.nacossync.constant.TaskStatusEnum;
 import com.alibaba.nacossync.dao.TaskAccessService;
 import com.alibaba.nacossync.event.DeleteTaskEvent;
 import com.alibaba.nacossync.event.SyncTaskEvent;
+import com.alibaba.nacossync.extension.holder.NacosServerHolder;
 import com.alibaba.nacossync.monitor.MetricsManager;
 import com.alibaba.nacossync.pojo.model.TaskDO;
 import com.google.common.eventbus.EventBus;
 import lombok.extern.slf4j.Slf4j;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.CommandLineRunner;
 import org.springframework.stereotype.Service;

+import java.util.List;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.TimeUnit;

@ -40,27 +41,44 @@ import java.util.concurrent.TimeUnit;
@Slf4j
@Service
 public class QuerySyncTaskTimer implements CommandLineRunner {
-    @Autowired
-    private MetricsManager metricsManager;
+    
+    private static final int INITIAL_DELAY = 0;
+    
+    private static final int DELAY = 3000;
+    
+    private final MetricsManager metricsManager;

-    @Autowired
-    private SkyWalkerCacheServices skyWalkerCacheServices;
+    private final SkyWalkerCacheServices skyWalkerCacheServices;

-    @Autowired
-    private TaskAccessService taskAccessService;
+    private final TaskAccessService taskAccessService;

-    @Autowired
-    private EventBus eventBus;
-
-    @Autowired
-    private ScheduledExecutorService scheduledExecutorService;
+    private final EventBus eventBus;

+    private final ScheduledExecutorService scheduledExecutorService;
+    
+    private final NacosServerHolder nacosServerHolder;
+    
+    public QuerySyncTaskTimer(MetricsManager metricsManager, SkyWalkerCacheServices skyWalkerCacheServices,
+            TaskAccessService taskAccessService, EventBus eventBus, ScheduledExecutorService scheduledExecutorService,
+            NacosServerHolder nacosServerHolder) {
+        this.metricsManager = metricsManager;
+        this.skyWalkerCacheServices = skyWalkerCacheServices;
+        this.taskAccessService = taskAccessService;
+        this.eventBus = eventBus;
+        this.scheduledExecutorService = scheduledExecutorService;
+        this.nacosServerHolder = nacosServerHolder;
+    }
+    
    @Override
    public void run(String... args) {
        /** Fetch the task list from the database every 3 seconds */
-        scheduledExecutorService.scheduleWithFixedDelay(new CheckRunningStatusThread(), 0, 3000,
+        scheduledExecutorService.scheduleWithFixedDelay(new CheckRunningStatusThread(), INITIAL_DELAY, DELAY,
                TimeUnit.MILLISECONDS);
-
+        
+        scheduledExecutorService.scheduleWithFixedDelay(new CheckRunningStatusAllNacosThread(metricsManager,
+                taskAccessService, nacosServerHolder, eventBus), INITIAL_DELAY, DELAY,
+                TimeUnit.MILLISECONDS);
+        log.info("QuerySyncTaskTimer has started successfully");
    }

    private class CheckRunningStatusThread implements Runnable {
@ -68,10 +86,10 @@ public class QuerySyncTaskTimer implements CommandLineRunner {
        @Override
        public void run() {

-            Long start = System.currentTimeMillis();
+            long start = System.currentTimeMillis();
            try {

-                Iterable<TaskDO> taskDOS = taskAccessService.findAll();
+                List<TaskDO> taskDOS = taskAccessService.findAllByServiceNameNotEqualAll();

                taskDOS.forEach(taskDO -> {

@ -83,13 +101,13 @@ public class QuerySyncTaskTimer implements CommandLineRunner {
                    if (TaskStatusEnum.SYNC.getCode().equals(taskDO.getTaskStatus())) {

                        eventBus.post(new SyncTaskEvent(taskDO));
-                        log.info("从数据库中查询到一个同步任务，发出一个同步事件:" + taskDO);
+                        log.info("从数据库中查询到一个同步任务，发出一个同步事件:{}", taskDO);
                    }

                    if (TaskStatusEnum.DELETE.getCode().equals(taskDO.getTaskStatus())) {

                        eventBus.post(new DeleteTaskEvent(taskDO));
-                        log.info("从数据库中查询到一个删除任务，发出一个同步事件:" + taskDO);
+                        log.info("从数据库中查询到一个删除任务，发出一个同步事件:{}", taskDO);
                    }
                });

--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/timer/SpecialSyncEventTimer.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/timer/SpecialSyncEventTimer.java
@ -17,7 +17,6 @@ import com.alibaba.nacossync.extension.event.SpecialSyncEvent;
 import com.alibaba.nacossync.extension.event.SpecialSyncEventBus;
 import com.google.common.eventbus.EventBus;
 import lombok.extern.slf4j.Slf4j;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.CommandLineRunner;
 import org.springframework.stereotype.Service;

@ -33,20 +32,25 @@ import java.util.concurrent.TimeUnit;
@Service
 public class SpecialSyncEventTimer implements CommandLineRunner {

-    @Autowired
-    private SpecialSyncEventBus specialSyncEventBus;
+    private final SpecialSyncEventBus specialSyncEventBus;

-    @Autowired
-    private EventBus eventBus;
-
-    @Autowired
-    private ScheduledExecutorService scheduledExecutorService;
+    private final EventBus eventBus;

+    private final ScheduledExecutorService scheduledExecutorService;
+    
+    public SpecialSyncEventTimer(SpecialSyncEventBus specialSyncEventBus, EventBus eventBus,
+            ScheduledExecutorService scheduledExecutorService) {
+        this.specialSyncEventBus = specialSyncEventBus;
+        this.eventBus = eventBus;
+        this.scheduledExecutorService = scheduledExecutorService;
+    }
+    
    @Override
    public void run(String... args) throws Exception {

        scheduledExecutorService.scheduleWithFixedDelay(new SpecialSyncEventTimer.SpecialSyncEventThread(), 0, 3000,
                TimeUnit.MILLISECONDS);
+        log.info("SpecialSyncEventTimer has started successfully");
    }

    private class SpecialSyncEventThread implements Runnable {
@ -58,9 +62,9 @@ public class SpecialSyncEventTimer implements CommandLineRunner {
                allSpecialSyncEvent.stream()
                        .filter(specialSyncEvent -> TaskStatusEnum.SYNC.getCode()
                                .equals(specialSyncEvent.getTaskDO().getTaskStatus()))
-                        .forEach(specialSyncEvent -> eventBus.post(specialSyncEvent));
+                        .forEach(eventBus::post);
            } catch (Exception e) {
-                log.warn("SpecialSyncEventThread Exception", e);
+               log.error("Exception occurred while processing special sync events", e);

            }
        }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/util/BatchTaskExecutor.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/util/BatchTaskExecutor.java
@ -0,0 +1,104 @@
+package com.alibaba.nacossync.util;
+
+import com.alibaba.nacos.client.naming.utils.CollectionUtils;
+import com.alibaba.nacossync.pojo.model.TaskDO;
+import com.google.common.base.Stopwatch;
+import lombok.extern.slf4j.Slf4j;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.concurrent.*;
+import java.util.function.Consumer;
+
+@Slf4j
+public class BatchTaskExecutor {
+    
+    private static final int MAX_THREAD_NUM = 200;
+    private static final ExecutorService executorService = Executors.newFixedThreadPool(MAX_THREAD_NUM);
+    
+    /**
+     * Batch operation method
+     *
+     * @param items     Task list
+     * @param operation Operation to be executed
+     */
+    public static void batchOperation(List<TaskDO> items, Consumer<TaskDO> operation) {
+        Stopwatch stopwatch = Stopwatch.createStarted();
+        
+        List<Tuple<Integer, List<TaskDO>>> taskGroupList = averageAssign(items, MAX_THREAD_NUM);
+        
+        // Create a CompletableFuture for each task group
+        CompletableFuture<?>[] futures = taskGroupList.stream().map(tuple -> CompletableFuture.runAsync(() -> {
+            for (TaskDO taskDO : tuple.getT2()) {
+                try {
+                    // Add timeout control for each task to avoid long-running tasks
+                    CompletableFuture.runAsync(() -> operation.accept(taskDO), executorService)
+                            .orTimeout(5, TimeUnit.SECONDS) // Task timeout set to 5 seconds
+                            .exceptionally(ex -> {
+                                log.error("Task execution timed out: {}", taskDO.getServiceName(), ex);
+                                return null;
+                            }).join();
+                } catch (Exception e) {
+                    log.error("Error occurred during task execution: {}", taskDO.getServiceName(), e);
+                }
+            }
+        }, executorService)).toArray(CompletableFuture[]::new);
+        
+        try {
+            // Wait for all tasks to complete
+            CompletableFuture.allOf(futures).join();
+        } catch (Exception e) {
+            log.error("Error occurred during sync operation", e);
+        } finally {
+            log.info("Total sync tasks: {}, Execution time: {} ms", items.size(), stopwatch.elapsed(TimeUnit.MILLISECONDS));
+        }
+    }
+    
+    /**
+     * Divide a list into n sublists, mainly implemented by offset
+     * @param source collection to be divided
+     * @param limit  maximum value
+     * @return list after division
+     * @param <T> object type
+     */
+    private static <T> List<Tuple<Integer, List<T>>> averageAssign(List<T> source, int limit) {
+        if (CollectionUtils.isEmpty(source)) {
+            return Collections.emptyList();
+        }
+        
+        int size = source.size();
+        int listCount = (int) Math.ceil((double) size / limit);  // Calculate the number of sublists
+        int remainder = size % listCount;  // Calculate the number of remaining elements after even distribution
+        List<Tuple<Integer, List<T>>> result = new ArrayList<>(listCount);  // Initialize the result list with the expected size
+        
+        for (int i = 0, assigned = 0; i < listCount; i++) {
+            int sublistSize = size / listCount + (remainder-- > 0 ? 1 : 0);  // Determine the size of each sublist, distribute remaining elements
+            List<T> sublist = new ArrayList<>(source.subList(assigned, assigned + sublistSize));  // Create the sublist
+            result.add(Tuple.of(i, sublist));  // Add the sublist to the result
+            assigned += sublistSize;  // Update the assigned index
+        }
+        
+        return result;
+    }
+    
+    /**
+     * Shutdown the executor service to avoid resource leakage
+     */
+    public static void shutdown() {
+        executorService.shutdown();
+        try {
+            if (!executorService.awaitTermination(60, TimeUnit.SECONDS)) {
+                executorService.shutdownNow();
+                if (!executorService.awaitTermination(60, TimeUnit.SECONDS)) {
+                    log.error("Executor service did not terminate");
+                }
+            }
+        } catch (InterruptedException ie) {
+            executorService.shutdownNow();
+            Thread.currentThread().interrupt();
+        }
+    }
+}
+
+
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/util/Collections.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/util/Collections.java
@ -1,19 +0,0 @@
-package com.alibaba.nacossync.util;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Iterator;
-
-public abstract class Collections {
-
-    public static Collection subtract(final Collection a, final Collection b) {
-        ArrayList list = new ArrayList( a );
-        for (Iterator it = b.iterator(); it.hasNext();) {
-            list.remove(it.next());
-        }
-        return list;
-    }
-
-
-
-}
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/util/ConsulUtils.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/util/ConsulUtils.java
@ -1,15 +1,3 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE
- * file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file
- * to You under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the
- * License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
- * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations under the License.
- */
 package com.alibaba.nacossync.util;

 import com.alibaba.nacos.client.naming.utils.CollectionUtils;
@ -20,16 +8,21 @@ import java.util.Map;
 import java.util.stream.Collectors;

 /**
- * @author paderlol
- * @date: 2019-04-25 00:01
+ * Utility class for handling Consul metadata.
 */
 public class ConsulUtils {
    public static Map<String, String> transferMetadata(List<String> tags) {
-        Map<String, String> metadata = new HashMap<>();
-        if (!CollectionUtils.isEmpty(tags)) {
-            return tags.stream().filter(tag -> tag.split("=", -1).length == 2).map(tag -> tag.split("=", -1))
-                .collect(Collectors.toMap(tagSplitArray -> tagSplitArray[0], tagSplitArray -> tagSplitArray[1]));
+        if (CollectionUtils.isEmpty(tags)) {
+            return new HashMap<>();
        }
-        return metadata;
+        
+        return tags.stream()
+                .map(tag -> tag.split("=", -1))
+                .filter(tagArray -> tagArray.length == 2)
+                .collect(Collectors.toMap(
+                        tagArray -> tagArray[0],
+                        tagArray -> tagArray[1],
+                        (existing, replacement) -> existing // In case of duplicate keys, keep the existing value
+                ));
    }
 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/util/DubboConstants.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/util/DubboConstants.java
@ -20,7 +20,6 @@ import org.apache.commons.lang3.StringUtils;
 import java.math.BigDecimal;
 import java.util.List;
 import java.util.Map;
-import java.util.function.Predicate;

 /**
 * @author paderlol
@ -49,45 +48,51 @@ public final class DubboConstants {

    public static final String DUBBO_ROOT_PATH = "/dubbo";
    public static final String ALL_SERVICE_NAME_PATTERN = "*";
-
+    
    /**
-     *  if Dubbo version greater than 2.7.2, service name is providers:interface:version:
-     *  if Dubbo version less than 2.7.2, service name is providers:interface:version
-     * @param queryParam
-     * @return
+     * Creates a service name based on Dubbo version compatibility.
+     * if Dubbo version greater than 2.7.2, service name is providers:interface:version:
+     * if Dubbo version less than 2.7.2, service name is providers:interface:version
+     *
+     * @param queryParam the query parameters that include keys such as interface, version, group, etc.
+     * @return the constructed service name string
     */
    public static String createServiceName(Map<String, String> queryParam) {
-
        String group = queryParam.get(GROUP_KEY);
        String release = queryParam.get(RELEASE_KEY);
-        Predicate<String> isBlankGroup = StringUtils::isBlank;
-        Predicate<String> isNotBlankRelease = StringUtils::isNotBlank;
-        String serviceName = Joiner.on(SEPARATOR_KEY).skipNulls().join(CATALOG_KEY, queryParam.get(INTERFACE_KEY),
-            queryParam.get(VERSION_KEY), group);
-
-        //TODO The code here is to deal with service metadata format problems caused by dubbo version incompatibility
-        if (isBlankGroup.test(group) && isNotBlankRelease.test(release)) {
+        
+        String baseServiceName = Joiner.on(SEPARATOR_KEY).skipNulls().join(CATALOG_KEY, queryParam.get(INTERFACE_KEY),
+                queryParam.get(VERSION_KEY), group);
+        
+        if (StringUtils.isBlank(group) && StringUtils.isNotBlank(release)) {
            List<String> versions = Splitter.on(RELEASE_SEPARATOR_KEY).splitToList(release);
            if (!CollectionUtils.isEmpty(versions) && versions.size() >= DUBBO_VERSION_INDEX) {
                String firstVersion = versions.get(0);
                String secondVersion = versions.get(1);
-                if (DUBBO_VERSION_INDEX == Integer.parseInt(firstVersion)) {
-                    if (MIDDLE_DUBBO_VERSION_INDEX <= versions.size()) {
-                        String thirdVersion = versions.get(2);
-                        BigDecimal bigDecimal =
-                            new BigDecimal(Joiner.on(RELEASE_SEPARATOR_KEY).join(secondVersion, thirdVersion));
-                        if (bigDecimal.compareTo(COMPARE_NUMBER) > 0) {
-                            serviceName = serviceName.concat(SEPARATOR_KEY);
-                        }
-                    } else if (versions.size() == DUBBO_VERSION_INDEX && Integer.parseInt(secondVersion) > 7) {
-                        serviceName = serviceName.concat(SEPARATOR_KEY);
-                    }
-                } else if (MIN_DUBBO_VERSION < Integer.parseInt(firstVersion)) {
-                    serviceName = serviceName.concat(SEPARATOR_KEY);
+                BigDecimal bigDecimal = new BigDecimal(Joiner.on(RELEASE_SEPARATOR_KEY).join(secondVersion,
+                        versions.size() > 2 ? versions.get(2) : "0"));
+                if (isVersionRequiresSeparator(firstVersion, secondVersion, bigDecimal)) {
+                    baseServiceName = baseServiceName.concat(SEPARATOR_KEY);
                }
            }
        }
-        return serviceName;
+        return baseServiceName;
+    }
+    
+    /**
+     * Checks if the version requires a separator to be appended to the service name.
+     *
+     * @param firstVersion  the major version
+     * @param secondVersion the minor version
+     * @param bigDecimal    the version number as BigDecimal
+     * @return true if separator should be added, otherwise false
+     */
+    private static boolean isVersionRequiresSeparator(String firstVersion, String secondVersion, BigDecimal bigDecimal) {
+        int majorVersion = Integer.parseInt(firstVersion);
+        int minorVersion = Integer.parseInt(secondVersion);
+        
+        return (DUBBO_VERSION_INDEX == majorVersion && (MIDDLE_DUBBO_VERSION_INDEX <= minorVersion ||
+                bigDecimal.compareTo(COMPARE_NUMBER) > 0)) || (MIN_DUBBO_VERSION < majorVersion);
    }

 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/util/NacosUtils.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/util/NacosUtils.java
@ -0,0 +1,11 @@
+package com.alibaba.nacossync.util;
+
+import com.alibaba.nacos.api.common.Constants;
+import org.apache.commons.lang3.StringUtils;
+
+public class NacosUtils {
+
+    public static String getGroupNameOrDefault(String groupName) {
+        return StringUtils.defaultIfBlank(groupName, Constants.DEFAULT_GROUP);
+    }
+}
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/util/SkyWalkerUtil.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/util/SkyWalkerUtil.java
@ -1,19 +1,3 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 package com.alibaba.nacossync.util;

 import com.alibaba.nacossync.constant.ClusterTypeEnum;
@ -22,135 +6,139 @@ import com.alibaba.nacossync.pojo.model.TaskDO;
 import com.alibaba.nacossync.pojo.request.ClusterAddRequest;
 import com.alibaba.nacossync.pojo.request.TaskAddRequest;
 import com.google.common.base.Joiner;
+import org.apache.commons.lang3.StringUtils;

-import java.io.UnsupportedEncodingException;
 import java.net.Inet4Address;
 import java.net.InetAddress;
 import java.net.NetworkInterface;
+import java.nio.charset.StandardCharsets;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 import java.util.Enumeration;
 import java.util.UUID;

 /**
-* @author NacosSync
-* @version $Id: SkyWalkerUtil.java, v 0.1 2018-09-26 AM12:10 NacosSync Exp $$
-*/
+ * Utility class for various operations in SkyWalker.
+ */
 public class SkyWalkerUtil {
-
+    
+    private static final String SEPARATOR = ":";
+    private static final String MD5_ALGORITHM = "MD5";
+    
    /**
+     * Generates an MD5 hash for the given string.
     *
-     * Gets the string md5
-     * @param value
-     * @return
+     * @param value The string to be encrypted.
+     * @return The encrypted string, or an empty string if encryption fails.
     */
-    public static String StringToMd5(String value) {
-        {
-            try {
-                MessageDigest md5 = MessageDigest.getInstance("MD5");
-                md5.update(value.getBytes("UTF-8"));
-                byte[] encryption = md5.digest();
-                StringBuffer strBuf = new StringBuffer();
-                for (int i = 0; i < encryption.length; i++) {
-                    if (Integer.toHexString(0xff & encryption[i]).length() == 1) {
-                        strBuf.append("0").append(Integer.toHexString(0xff & encryption[i]));
-                    } else {
-                        strBuf.append(Integer.toHexString(0xff & encryption[i]));
-                    }
-                }
-                return strBuf.toString();
-            } catch (NoSuchAlgorithmException e) {
-                return "";
-            } catch (UnsupportedEncodingException e) {
-                return "";
+    public static String stringToMd5(String value) {
+        if (StringUtils.isBlank(value)) {
+            return "";
+        }
+        try {
+            MessageDigest md5 = MessageDigest.getInstance(MD5_ALGORITHM);
+            byte[] encryption = md5.digest(value.getBytes(StandardCharsets.UTF_8));
+            StringBuilder strBuf = new StringBuilder();
+            for (byte b : encryption) {
+                strBuf.append(String.format("%02x", b));
            }
+            return strBuf.toString();
+        } catch (NoSuchAlgorithmException e) {
+            return "";
        }
    }
-
+    
    /**
-     * The rules of generating taskId
-     * @param addTaskRequest
-     * @return
+     * Generates a task ID based on the given TaskAddRequest.
+     *
+     * @param addTaskRequest The TaskAddRequest containing task details.
+     * @return The generated task ID.
     */
    public static String generateTaskId(TaskAddRequest addTaskRequest) {
-
        return generateTaskId(addTaskRequest.getServiceName(), addTaskRequest.getGroupName(),
                addTaskRequest.getSourceClusterId(), addTaskRequest.getDestClusterId());
    }
-
+    
    /**
-     * The rules of generating taskId
+     * Generates a task ID based on the given parameters.
     *
-     * @return
+     * @param serviceName     The service name.
+     * @param groupName       The group name.
+     * @param sourceClusterId The source cluster ID.
+     * @param destClusterId   The destination cluster ID.
+     * @return The generated task ID.
     */
    public static String generateTaskId(String serviceName, String groupName,
-                                        String sourceClusterId, String destClusterId) {
-
-        StringBuilder sb = new StringBuilder();
-
-        sb.append(serviceName);
-        sb.append(SkyWalkerConstants.UNDERLINE);
-        sb.append(groupName);
-        sb.append(SkyWalkerConstants.UNDERLINE);
-        sb.append(sourceClusterId);
-        sb.append(SkyWalkerConstants.UNDERLINE);
-        sb.append(destClusterId);
-        return SkyWalkerUtil.StringToMd5(sb.toString());
+            String sourceClusterId, String destClusterId) {
+        String rawId = String.join(SkyWalkerConstants.UNDERLINE, serviceName, groupName, sourceClusterId, destClusterId);
+        return stringToMd5(rawId);
    }
-
+    
    /**
-     * 生成集群clusterId的规则
+     * Generates a cluster ID based on the given ClusterAddRequest.
     *
-     * @param addClusterRequest
-     * @return
+     * @param addClusterRequest The ClusterAddRequest containing cluster details.
+     * @return The generated cluster ID.
     */
    public static String generateClusterId(ClusterAddRequest addClusterRequest) {
-
-        StringBuilder sb = new StringBuilder();
-        sb.append(addClusterRequest.getClusterName());
-        sb.append(SkyWalkerConstants.UNDERLINE);
-        sb.append(addClusterRequest.getClusterType());
-
-        return SkyWalkerUtil.StringToMd5(sb.toString());
+        String rawId = String.join(SkyWalkerConstants.UNDERLINE, addClusterRequest.getClusterName(), addClusterRequest.getClusterType());
+        return stringToMd5(rawId);
    }
-
+    
    /**
-     * Avoid getting a return address
-     * @return
-     * @throws Exception
+     * Gets the local IP address, avoiding loopback addresses.
+     *
+     * @return The local IP address.
+     * @throws Exception If an error occurs while fetching the IP address.
     */
    public static String getLocalIp() throws Exception {
-
        InetAddress addr = InetAddress.getLocalHost();
-        String localIp = addr.getHostAddress();
-        if (addr.isLoopbackAddress()) {
-            Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
-            while (interfaces.hasMoreElements()) {
-                NetworkInterface in = interfaces.nextElement();
-                Enumeration<InetAddress> addrs = in.getInetAddresses();
-                while (addrs.hasMoreElements()) {
-                    InetAddress address = addrs.nextElement();
-                    if (!address.isLoopbackAddress() && address instanceof Inet4Address) {
-                        localIp = address.getHostAddress();
-                    }
+        if (!addr.isLoopbackAddress()) {
+            return addr.getHostAddress();
+        }
+        Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
+        while (interfaces.hasMoreElements()) {
+            NetworkInterface networkInterface = interfaces.nextElement();
+            Enumeration<InetAddress> addrs = networkInterface.getInetAddresses();
+            while (addrs.hasMoreElements()) {
+                InetAddress address = addrs.nextElement();
+                if (!address.isLoopbackAddress() && address instanceof Inet4Address) {
+                    return address.getHostAddress();
                }
            }
        }
-        return localIp;
+        return addr.getHostAddress();
    }
-
+    
+    /**
+     * Generates a synchronization key based on source and destination cluster types.
+     *
+     * @param sourceClusterType The source cluster type.
+     * @param destClusterType   The destination cluster type.
+     * @return The generated synchronization key.
+     */
    public static String generateSyncKey(ClusterTypeEnum sourceClusterType, ClusterTypeEnum destClusterType) {
-
-        return Joiner.on(":").join(sourceClusterType.getCode(), destClusterType.getCode());
+        return Joiner.on(SEPARATOR).join(sourceClusterType.getCode(), destClusterType.getCode());
    }
-
+    
+    /**
+     * Gets the operation ID from the given TaskDO.
+     *
+     * @param taskDO The TaskDO containing the operation ID.
+     * @return The operation ID.
+     */
    public static String getOperationId(TaskDO taskDO) {
-
        return taskDO.getOperationId();
    }
-
+    
+    /**
+     * Generates a unique operation ID.
+     *
+     * @return The generated operation ID.
+     */
    public static String generateOperationId() {
-
        return UUID.randomUUID().toString();
    }
 }
+
+
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/util/StringUtils.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/util/StringUtils.java
@ -13,19 +13,23 @@
 package com.alibaba.nacossync.util;

 import com.google.common.base.Joiner;
-import com.google.common.collect.Maps;
 import lombok.extern.slf4j.Slf4j;

-import java.io.File;
-import java.io.UnsupportedEncodingException;
 import java.net.URLDecoder;
 import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;

-import static com.alibaba.nacossync.util.DubboConstants.*;
+import static com.alibaba.nacossync.util.DubboConstants.DUBBO_PATH_FORMAT;
+import static com.alibaba.nacossync.util.DubboConstants.DUBBO_URL_FORMAT;
+import static com.alibaba.nacossync.util.DubboConstants.INSTANCE_IP_KEY;
+import static com.alibaba.nacossync.util.DubboConstants.INSTANCE_PORT_KEY;
+import static com.alibaba.nacossync.util.DubboConstants.INTERFACE_KEY;
+import static com.alibaba.nacossync.util.DubboConstants.PROTOCOL_KEY;
+import static com.alibaba.nacossync.util.DubboConstants.ZOOKEEPER_SEPARATOR;

 /**
 * @author paderlol
@ -35,24 +39,26 @@ import static com.alibaba.nacossync.util.DubboConstants.*;
 public final class StringUtils {

    private static final Pattern KVP_PATTERN = Pattern
-            .compile("([_.a-zA-Z0-9][-_.a-zA-Z0-9]*)[=](.*)");
+        .compile("([_.a-zA-Z0-9][-_.a-zA-Z0-9]*)[=](.*)");
    private static final Pattern IP_PORT_PATTERN = Pattern
-            .compile(".*/(.*)://(\\d+\\.\\d+\\.\\d+\\.\\d+):(\\d+)");
-	private static final Pattern DUBBO_PROVIDER_PATTERN = Pattern
-            .compile("/dubbo/(.*)/providers/(.*)");
+        .compile(".*/(.*)://(\\d+\\.\\d+\\.\\d+\\.\\d+):(\\d+)");
+    private static final Pattern DUBBO_PROVIDER_PATTERN = Pattern
+        .compile("/dubbo/(.*)/providers/(.*)");
+    public static final int INDEX_NOT_FOUND = -1;
+    public static final String EMPTY = "";

    /**
     * parse key-value pair.
     *
-     * @param str string.
+     * @param str           string.
     * @param itemSeparator item separator.
     * @return key-value map;
     */
    private static Map<String, String> parseKeyValuePair(String str, String itemSeparator) {
        String[] tmp = str.split(itemSeparator);
-        Map<String, String> map = new HashMap<String, String>(tmp.length);
-        for (int i = 0; i < tmp.length; i++) {
-            Matcher matcher = KVP_PATTERN.matcher(tmp[i]);
+        Map<String, String> map = new HashMap<>(tmp.length);
+        for (String s : tmp) {
+            Matcher matcher = KVP_PATTERN.matcher(s);
            if (!matcher.matches()) {
                continue;
            }
@ -68,17 +74,14 @@ public final class StringUtils {
     * @return Parameters instance.
     */
    public static Map<String, String> parseQueryString(String qs) {
-        try {
-            String decodePath = URLDecoder.decode(qs, "UTF-8");
-            if (isEmpty(qs)) {
-                return new HashMap<>();
-            }
-            return parseKeyValuePair(decodePath, "\\&");
-
-        } catch (UnsupportedEncodingException e) {
-            log.warn("parse query string failed", e);
-            return Maps.newHashMap();
+        
+        String decodePath = URLDecoder.decode(qs, StandardCharsets.UTF_8);
+        if (isEmpty(decodePath)) {
+            return new HashMap<>();
        }
+        decodePath = substringAfter(decodePath, "?");
+        return parseKeyValuePair(decodePath, "&");
+        
    }

    /**
@ -92,49 +95,79 @@ public final class StringUtils {
    }

    public static Map<String, String> parseIpAndPortString(String path) {
-
-        try {
-            String decodePath = URLDecoder.decode(path, "UTF-8");
-            Matcher matcher = IP_PORT_PATTERN.matcher(decodePath);
-            // extract the ones that match the rules
-            Map<String, String> instanceMap = new HashMap<>(3);
-            while (matcher.find()) {
-                // protocol
-                instanceMap.put(PROTOCOL_KEY, matcher.group(1));
-                // ip address
-                instanceMap.put(INSTANCE_IP_KEY, matcher.group(2));
-                // port
-                instanceMap.put(INSTANCE_PORT_KEY, matcher.group(3));
-                break;
-            }
-            return instanceMap;
-        } catch (UnsupportedEncodingException e) {
-            log.warn("parse query string failed", e);
-            return Maps.newHashMap();
+        
+        String decodePath = URLDecoder.decode(path, StandardCharsets.UTF_8);
+        Matcher matcher = IP_PORT_PATTERN.matcher(decodePath);
+        // extract the ones that match the rules
+        Map<String, String> instanceMap = new HashMap<>(3);
+        while (matcher.find()) {
+            // protocol
+            instanceMap.put(PROTOCOL_KEY, matcher.group(1));
+            // ip address
+            instanceMap.put(INSTANCE_IP_KEY, matcher.group(2));
+            // port
+            instanceMap.put(INSTANCE_PORT_KEY, matcher.group(3));
+            break;
        }
+        return instanceMap;
+        
+    }

+    /**
+     * <p>Gets the substring after the first occurrence of a separator.
+     * The separator is not returned.</p>
+     *
+     * <p>A {@code null} string input will return {@code null}.
+     * An empty ("") string input will return the empty string. A {@code null} separator will return the empty string if
+     * the input string is not {@code null}.</p>
+     *
+     * <p>If nothing is found, the empty string is returned.</p>
+     *
+     * <pre>
+     * StringUtils.substringAfter(null, *)      = null
+     * StringUtils.substringAfter("", *)        = ""
+     * StringUtils.substringAfter(*, null)      = ""
+     * StringUtils.substringAfter("abc", "a")   = "bc"
+     * StringUtils.substringAfter("abcba", "b") = "cba"
+     * StringUtils.substringAfter("abc", "c")   = ""
+     * StringUtils.substringAfter("abc", "d")   = ""
+     * StringUtils.substringAfter("abc", "")    = "abc"
+     * </pre>
+     *
+     * @param str       the String to get a substring from, may be null
+     * @param separator the String to search for, may be null
+     * @return the substring after the first occurrence of the separator, {@code null} if null String input
+     * @since 2.0
+     */
+    public static String substringAfter(final String str, final String separator) {
+        if (isEmpty(str)) {
+            return str;
+        }
+        if (separator == null) {
+            return EMPTY;
+        }
+        final int pos = str.indexOf(separator);
+        if (pos == INDEX_NOT_FOUND) {
+            return EMPTY;
+        }
+        return str.substring(pos + 1);
    }

    public static String convertDubboProvidersPath(String interfaceName) {
        return String.format(DUBBO_PATH_FORMAT, interfaceName);
    }

-	public static String convertDubboFullPathForZk(Map<String, String> metaData, String providersPath, String ip,
-			int port) {
-		try {
-			String urlParam = Joiner.on("&").withKeyValueSeparator("=").join(metaData);
-			String instanceUrl = String.format(DUBBO_URL_FORMAT, metaData.get(PROTOCOL_KEY), ip, port,
-					metaData.get(INTERFACE_KEY), urlParam);
+    public static String convertDubboFullPathForZk(Map<String, String> metaData, String providersPath, String ip,
+        int port) {
+        String urlParam = Joiner.on("&").withKeyValueSeparator("=").join(metaData);
+        String instanceUrl = String.format(DUBBO_URL_FORMAT, metaData.get(PROTOCOL_KEY), ip, port,
+            metaData.get(INTERFACE_KEY), urlParam);
+        
+        return Joiner.on(ZOOKEEPER_SEPARATOR).join(providersPath, URLEncoder.encode(instanceUrl, StandardCharsets.UTF_8));
+        
+    }

-			return Joiner.on(ZOOKEEPER_SEPARATOR).join(providersPath, URLEncoder.encode(instanceUrl, "UTF-8"));
-		} catch (UnsupportedEncodingException e) {
-			log.warn("convert Dubbo full path", e);
-			return "";
-		}
-
-	}
-
-	public static boolean isDubboProviderPath(String path) {
-		return DUBBO_PROVIDER_PATTERN.matcher(path).matches();
-	}
+    public static boolean isDubboProviderPath(String path) {
+        return DUBBO_PROVIDER_PATTERN.matcher(path).matches();
+    }
 }
--- a/nacossync-worker/src/main/java/com/alibaba/nacossync/util/Tuple.java
+++ b/nacossync-worker/src/main/java/com/alibaba/nacossync/util/Tuple.java
@ -0,0 +1,207 @@
+/*
+ * Copyright (c) 2016-2021 VMware Inc. or its affiliates, All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.alibaba.nacossync.util;
+
+import reactor.util.annotation.NonNull;
+import reactor.util.annotation.Nullable;
+import reactor.util.function.Tuple2;
+import reactor.util.function.Tuples;
+
+import java.io.Serializable;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Objects;
+import java.util.function.Function;
+
+/**
+ * A tuple that holds two non-null values.
+ *
+ * @param <T1> The type of the first non-null value held by this tuple
+ * @param <T2> The type of the second non-null value held by this tuple
+ * @author Jon Brisbin
+ * @author Stephane Maldini
+ */
+@SuppressWarnings("rawtypes")
+public class Tuple<T1, T2> implements Iterable<Object>, Serializable {
+    
+    private static final long serialVersionUID = -3518082018884860684L;
+    
+    @NonNull
+    final T1 t1;
+    
+    @NonNull
+    final T2 t2;
+    
+    Tuple(T1 t1, T2 t2) {
+        this.t1 = Objects.requireNonNull(t1, "t1");
+        this.t2 = Objects.requireNonNull(t2, "t2");
+    }
+    
+    /**
+     * Type-safe way to get the first object of this {@link Tuples}.
+     *
+     * @return The first object
+     */
+    public T1 getT1() {
+        return t1;
+    }
+    
+    /**
+     * Type-safe way to get the second object of this {@link Tuples}.
+     *
+     * @return The second object
+     */
+    public T2 getT2() {
+        return t2;
+    }
+    
+    /**
+     * Map the left-hand part (T1) of this {@link Tuple} into a different value and type, keeping the right-hand part
+     * (T2).
+     *
+     * @param mapper the mapping {@link Function} for the left-hand part
+     * @param <R>    the new type for the left-hand part
+     * @return a new {@link Tuple2} with a different left (T1) value
+     */
+    public <R> Tuple<R, T2> mapT1(Function<T1, R> mapper) {
+        return new Tuple<>(mapper.apply(t1), t2);
+    }
+    
+    /**
+     * Map the right-hand part (T2) of this {@link Tuple} into a different value and type, keeping the left-hand part
+     * (T1).
+     *
+     * @param mapper the mapping {@link Function} for the right-hand part
+     * @param <R>    the new type for the right-hand part
+     * @return a new {@link Tuple2} with a different right (T2) value
+     */
+    public <R> Tuple<T1, R> mapT2(Function<T2, R> mapper) {
+        return new Tuple<>(t1, mapper.apply(t2));
+    }
+    
+    /**
+     * Get the object at the given index.
+     *
+     * @param index The index of the object to retrieve. Starts at 0.
+     * @return The object or {@literal null} if out of bounds.
+     */
+    @Nullable
+    public Object get(int index) {
+        switch (index) {
+            case 0:
+                return t1;
+            case 1:
+                return t2;
+            default:
+                return null;
+        }
+    }
+    
+    /**
+     * Turn this {@code Tuple} into a {@link List List&lt;Object&gt;}. The list isn't tied to this Tuple but is a
+     * <strong>copy</strong> with limited mutability ({@code add} and {@code remove} are not supported, but {@code set}
+     * is).
+     *
+     * @return A copy of the tuple as a new {@link List List&lt;Object&gt;}.
+     */
+    public List<Object> toList() {
+        return Arrays.asList(toArray());
+    }
+    
+    /**
+     * Turn this {@code Tuple} into a plain {@code Object[]}. The array isn't tied to this Tuple but is a
+     * <strong>copy</strong>.
+     *
+     * @return A copy of the tuple as a new {@link Object Object[]}.
+     */
+    public Object[] toArray() {
+        return new Object[] {t1, t2};
+    }
+    
+    /**
+     * Return an <strong>immutable</strong> {@link Iterator Iterator&lt;Object&gt;} around the content of this
+     * {@code Tuple}.
+     *
+     * @return An unmodifiable {@link Iterator} over the elements in this Tuple.
+     * @implNote As an {@link Iterator} is always tied to its {@link Iterable} source by definition, the iterator cannot
+     * be mutable without the iterable also being mutable. Since {@link Tuples} are <strong>immutable</strong>, so is
+     * the {@link Iterator} returned by this method.
+     */
+    @Override
+    public Iterator<Object> iterator() {
+        return Collections.unmodifiableList(toList()).iterator();
+    }
+    
+    @Override
+    public boolean equals(@Nullable Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+        
+        Tuple<?, ?> tuple = (Tuple<?, ?>) o;
+        
+        return t1.equals(tuple.t1) && t2.equals(tuple.t2);
+        
+    }
+    
+    @Override
+    public int hashCode() {
+        int result = size();
+        result = 31 * result + t1.hashCode();
+        result = 31 * result + t2.hashCode();
+        return result;
+    }
+    
+    /**
+     * Return the number of elements in this {@literal Tuples}.
+     *
+     * @return The size of this {@literal Tuples}.
+     */
+    public int size() {
+        return 2;
+    }
+    
+    /**
+     * A Tuple String representation is the comma separated list of values, enclosed in square brackets.
+     *
+     * @return the Tuple String representation
+     */
+    @Override
+    public final String toString() {
+        Object[] values = toArray();
+        StringBuilder sb = new StringBuilder();
+        for (int i = 0; i < values.length; i++) {
+            Object t = values[i];
+            if (i != 0) {
+                sb.append(',');
+            }
+            if (t != null) {
+                sb.append(t);
+            }
+        }
+        return sb.insert(0, '[').append(']').toString();
+    }
+    
+    public static <T1, T2> Tuple<T1, T2> of(T1 t1, T2 t2) {
+        return new Tuple<>(t1, t2);
+    }
+}
--- a/nacossync-worker/src/main/resources/application.properties
+++ b/nacossync-worker/src/main/resources/application.properties
@ -5,11 +5,11 @@ spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
 spring.jpa.hibernate.ddl-auto=update
 spring.jpa.properties.hibernate.show_sql=false

+spring.cloud.discovery.enabled=false


 spring.datasource.url=jdbc:mysql://127.0.0.1:3306/nacos_sync?characterEncoding=utf8
 spring.datasource.username=root
 spring.datasource.password=root
-
 management.endpoints.web.exposure.include=*
 management.endpoint.health.show-details=always
--- a/nacossync-worker/src/main/resources/logback-spring.xml
+++ b/nacossync-worker/src/main/resources/logback-spring.xml
@ -4,12 +4,13 @@
        <springProperty name="logPath"  scope="context" source="nacosSync.logs.path" defaultValue="${nacosSync.home}/logs"/>
        <property name="LOG_HOME" value="${logPath}" />
    <appender name="FILEINFO" class="ch.qos.logback.core.rolling.RollingFileAppender">
-        <file>${LOG_HOME}/nacosSync.log</file>
-        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
-            <fileNamePattern>${LOG_HOME}/log-nacosSync-%d{yyyy-MM-dd}.%i.log</fileNamePattern>
-            <timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
-                <maxFileSize>200MB</maxFileSize>
-            </timeBasedFileNamingAndTriggeringPolicy>
+        <file>${LOG_HOME}/nacos-sync.log</file>
+        <rollingPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy">
+            <fileNamePattern>${LOG_HOME}/log-nacos-sync-%d{yyyy-MM-dd}.%i.log</fileNamePattern>
+            <maxFileSize>200MB</maxFileSize>
+            <maxHistory>7</maxHistory>
+            <totalSizeCap>2GB</totalSizeCap>
+            <cleanHistoryOnStart>true</cleanHistoryOnStart>
        </rollingPolicy>
        <append>true</append>
        <encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
@ -25,7 +26,6 @@
    </appender>

    <logger name="com.alibaba.nacossync" level="INFO"/>
-
    <logger name="org.hibernate.type.descriptor.sql.BasicBinder" level="INFO"/>
    <logger name="org.hibernate.type.descriptor.sql.BasicExtractor" level="INFO"/>
    <logger name="org.hibernate.SQL" level="INFO"/>
--- a/nacossync-worker/src/main/resources/static/css/main.68bce23a.css
+++ b/nacossync-worker/src/main/resources/static/css/main.68bce23a.css
--- a/nacossync-worker/src/main/resources/static/css/main.e2917886.css
+++ b/nacossync-worker/src/main/resources/static/css/main.e2917886.css
--- a/nacossync-worker/src/main/resources/static/index.html
+++ b/nacossync-worker/src/main/resources/static/index.html
@ -7,8 +7,8 @@
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Nacos-Sync</title>
    <link rel="shortcut icon" href="//www.aliyun.com/favicon.ico" type="image/x-icon">
-<link href="./css/main.68bce23a.css" rel="stylesheet"></head>
+<link href="./css/main.e2917886.css" rel="stylesheet"></head>
 <body>
 <div id="root"></div>
-<script type="text/javascript" src="./js/main.1cd0c600.js"></script></body>
+<script type="text/javascript" src="./js/main.b73436b5.js"></script></body>
 </html>
--- a/Show More
+++ b/Show More
				`@ -0,0 +1 @@`
				`java -jar ../nacos-sync-server.jar -server -Xms2g -Xmx2g -Xmn1g -XX:MetaspaceSize=256m -XX:MaxMetaspaceSize=512m --spring.config.location=../conf/application.properties`