diff --git a/shenyu-common/src/main/java/org/apache/shenyu/common/dto/MetaData.java b/shenyu-common/src/main/java/org/apache/shenyu/common/dto/MetaData.java
index 720b408c9bf2..410aa95acf6f 100644
--- a/shenyu-common/src/main/java/org/apache/shenyu/common/dto/MetaData.java
+++ b/shenyu-common/src/main/java/org/apache/shenyu/common/dto/MetaData.java
@@ -42,6 +42,11 @@ public class MetaData {
     private String rpcExt;
 
     private Boolean enabled;
+    
+    /**
+     * namespaceId.
+     */
+    private String namespaceId;
 
     /**
      * no args constructor.
@@ -62,9 +67,10 @@ public MetaData() {
      * @param parameterTypes parameterTypes
      * @param rpcExt         rpcExt
      * @param enabled        enabled
+     * @param namespaceId    namespaceId
      */
     public MetaData(final String id, final String appName, final String contextPath, final String path, final String rpcType, final String serviceName,
-                    final String methodName, final String parameterTypes, final String rpcExt, final Boolean enabled) {
+                    final String methodName, final String parameterTypes, final String rpcExt, final Boolean enabled, final String namespaceId) {
         this.id = id;
         this.appName = appName;
         this.contextPath = contextPath;
@@ -75,6 +81,7 @@ public MetaData(final String id, final String appName, final String contextPath,
         this.parameterTypes = parameterTypes;
         this.rpcExt = rpcExt;
         this.enabled = enabled;
+        this.namespaceId = namespaceId;
     }
 
     /**
@@ -93,6 +100,7 @@ private MetaData(final Builder builder) {
         this.parameterTypes = builder.parameterTypes;
         this.rpcExt = builder.rpcExt;
         this.enabled = builder.enabled;
+        this.namespaceId = builder.namespaceId;
     }
 
     /**
@@ -283,7 +291,23 @@ public Boolean getEnabled() {
     public void setEnabled(final Boolean enabled) {
         this.enabled = enabled;
     }
-
+    
+    /**
+     * get namespaceId.
+     * @return namespaceId
+     */
+    public String getNamespaceId() {
+        return namespaceId;
+    }
+    
+    /**
+     * set namespaceId.
+     * @param namespaceId namespaceId
+     */
+    public void setNamespaceId(final String namespaceId) {
+        this.namespaceId = namespaceId;
+    }
+    
     @Override
     public boolean equals(final Object o) {
         if (this == o) {
@@ -296,12 +320,12 @@ public boolean equals(final Object o) {
         return Objects.equals(id, metaData.id) && Objects.equals(appName, metaData.appName) && Objects.equals(contextPath, metaData.contextPath)
                 && Objects.equals(path, metaData.path) && Objects.equals(rpcType, metaData.rpcType) && Objects.equals(serviceName, metaData.serviceName)
                 && Objects.equals(methodName, metaData.methodName) && Objects.equals(parameterTypes, metaData.parameterTypes)
-                && Objects.equals(rpcExt, metaData.rpcExt) && Objects.equals(enabled, metaData.enabled);
+                && Objects.equals(rpcExt, metaData.rpcExt) && Objects.equals(enabled, metaData.enabled) && Objects.equals(namespaceId, metaData.namespaceId);
     }
 
     @Override
     public int hashCode() {
-        return Objects.hash(id, appName, contextPath, path, rpcType, serviceName, methodName, parameterTypes, rpcExt, enabled);
+        return Objects.hash(id, appName, contextPath, path, rpcType, serviceName, methodName, parameterTypes, rpcExt, enabled, namespaceId);
     }
 
     @Override
@@ -336,6 +360,9 @@ public String toString() {
                 + '\''
                 + ", enabled="
                 + enabled
+                + '\''
+                + ", namespaceId="
+                + namespaceId
                 + '}';
     }
 
@@ -403,6 +430,11 @@ public static final class Builder {
          * enabled.
          */
         private Boolean enabled;
+        
+        /**
+         * namespaceId.
+         */
+        private String namespaceId;
 
         /**
          * no args constructor.
@@ -528,5 +560,16 @@ public Builder enabled(final Boolean enabled) {
             this.enabled = enabled;
             return this;
         }
+
+        /**
+         * build namespaceId.
+         *
+         * @param namespaceId namespaceId
+         * @return this
+         */
+        public Builder namespaceId(final String namespaceId) {
+            this.namespaceId = namespaceId;
+            return this;
+        }
     }
 }
diff --git a/shenyu-common/src/main/java/org/apache/shenyu/common/dto/RuleData.java b/shenyu-common/src/main/java/org/apache/shenyu/common/dto/RuleData.java
index 62b01c384cfa..7198a2267d92 100644
--- a/shenyu-common/src/main/java/org/apache/shenyu/common/dto/RuleData.java
+++ b/shenyu-common/src/main/java/org/apache/shenyu/common/dto/RuleData.java
@@ -59,6 +59,11 @@ public class RuleData {
      * match restful.
      */
     private Boolean matchRestful;
+    
+    /**
+     * namespaceId.
+     */
+    private String namespaceId;
 
     /**
      * no args constructor.
@@ -84,6 +89,7 @@ private RuleData(final Builder builder) {
         this.conditionDataList = builder.conditionDataList;
         this.beforeConditionDataList = builder.beforeConditionDataList;
         this.matchRestful = builder.matchRestful;
+        this.namespaceId = builder.namespaceId;
     }
 
     /**
@@ -331,6 +337,22 @@ public void setMatchRestful(final Boolean matchRestful) {
         this.matchRestful = matchRestful;
     }
     
+    /**
+     * get namespaceId.
+     * @return namespaceId
+     */
+    public String getNamespaceId() {
+        return namespaceId;
+    }
+    
+    /**
+     * set namespaceId.
+     * @param namespaceId namespaceId
+     */
+    public void setNamespaceId(final String namespaceId) {
+        this.namespaceId = namespaceId;
+    }
+    
     @Override
     public boolean equals(final Object o) {
         if (this == o) {
@@ -351,13 +373,14 @@ public boolean equals(final Object o) {
                 && Objects.equals(handle, ruleData.handle)
                 && Objects.equals(conditionDataList, ruleData.conditionDataList)
                 && Objects.equals(beforeConditionDataList, ruleData.beforeConditionDataList)
-                && Objects.equals(matchRestful, ruleData.matchRestful);
+                && Objects.equals(matchRestful, ruleData.matchRestful)
+                && Objects.equals(namespaceId, ruleData.namespaceId);
     }
 
     @Override
     public int hashCode() {
         return Objects.hash(id, name, pluginName, selectorId, matchMode, sort, enabled, loged, handle, conditionDataList,
-                beforeConditionDataList, matchRestful);
+                beforeConditionDataList, matchRestful, namespaceId);
     }
 
     @Override
@@ -421,6 +444,8 @@ public static final class Builder {
         private List<ConditionData> beforeConditionDataList;
         
         private Boolean matchRestful;
+        
+        private String namespaceId;
 
         /**
          * no args constructor.
@@ -568,5 +593,16 @@ public Builder matchRestful(final Boolean matchRestful) {
             this.matchRestful = matchRestful;
             return this;
         }
+        
+        /**
+         * build namespaceId.
+         *
+         * @param namespaceId namespaceId
+         * @return this
+         */
+        public Builder namespaceId(final String namespaceId) {
+            this.namespaceId = namespaceId;
+            return this;
+        }
     }
 }
diff --git a/shenyu-common/src/test/java/org/apache/shenyu/common/dto/MetaDataTest.java b/shenyu-common/src/test/java/org/apache/shenyu/common/dto/MetaDataTest.java
index 32ebf44f2606..e0abda87641f 100644
--- a/shenyu-common/src/test/java/org/apache/shenyu/common/dto/MetaDataTest.java
+++ b/shenyu-common/src/test/java/org/apache/shenyu/common/dto/MetaDataTest.java
@@ -36,7 +36,7 @@ public class MetaDataTest {
     @Test
     public void testUpdateContextPath() {
         MetaData metaData = new MetaData("id", "appName", "contextPath", "path", "rpcType",
-                "serviceName", "methodName", "parameterTypes", "rpcExt", true);
+                "serviceName", "methodName", "parameterTypes", "rpcExt", true, "namespaceId");
         metaData.setPath(PATH);
         metaData.updateContextPath();
         assertEquals(metaData.getContextPath(), CONTEXT_PATH);
diff --git a/shenyu-e2e/shenyu-e2e-common/src/main/java/org/apache/shenyu/e2e/model/data/RuleCacheData.java b/shenyu-e2e/shenyu-e2e-common/src/main/java/org/apache/shenyu/e2e/model/data/RuleCacheData.java
index 970420fbf269..2cc8712846be 100644
--- a/shenyu-e2e/shenyu-e2e-common/src/main/java/org/apache/shenyu/e2e/model/data/RuleCacheData.java
+++ b/shenyu-e2e/shenyu-e2e-common/src/main/java/org/apache/shenyu/e2e/model/data/RuleCacheData.java
@@ -86,6 +86,11 @@ public class RuleCacheData {
      * match restful.
      */
     private Boolean matchRestful;
+    
+    /**
+     * namespaceId.
+     */
+    private String namespaceId;
 
     /**
      * no args constructor.
@@ -111,6 +116,7 @@ private RuleCacheData(final Builder builder) {
         this.conditionDataList = builder.conditionDataList;
         this.beforeConditionDataList = builder.beforeConditionDataList;
         this.matchRestful = builder.matchRestful;
+        this.namespaceId = builder.namespaceId;
     }
 
     /**
@@ -358,6 +364,24 @@ public void setMatchRestful(final Boolean matchRestful) {
         this.matchRestful = matchRestful;
     }
     
+    /**
+     * get namespaceId.
+     *
+     * @return namespaceId
+     */
+    public String getNamespaceId() {
+        return namespaceId;
+    }
+    
+    /**
+     * set namespaceId.
+     *
+     * @param namespaceId namespaceId
+     */
+    public void setNamespaceId(final String namespaceId) {
+        this.namespaceId = namespaceId;
+    }
+    
     @Override
     public boolean equals(final Object o) {
         if (this == o) {
@@ -378,13 +402,14 @@ public boolean equals(final Object o) {
                 && Objects.equals(handle, ruleCacheData.handle)
                 && Objects.equals(conditionDataList, ruleCacheData.conditionDataList)
                 && Objects.equals(beforeConditionDataList, ruleCacheData.beforeConditionDataList)
-                && Objects.equals(matchRestful, ruleCacheData.matchRestful);
+                && Objects.equals(matchRestful, ruleCacheData.matchRestful)
+                && Objects.equals(namespaceId, ruleCacheData.namespaceId);
     }
 
     @Override
     public int hashCode() {
         return Objects.hash(id, name, pluginName, selectorId, matchMode, sort, enabled, loged, handle, conditionDataList,
-                beforeConditionDataList, matchRestful);
+                beforeConditionDataList, matchRestful, namespaceId);
     }
 
     @Override
@@ -417,6 +442,8 @@ public String toString() {
                 + conditionDataList
                 + ", matchRestful="
                 + matchRestful
+                + ", namespaceId="
+                + namespaceId
                 + '}';
     }
 
@@ -448,6 +475,8 @@ public static final class Builder {
         private List<ConditionData> beforeConditionDataList;
         
         private Boolean matchRestful;
+        
+        private String namespaceId;
 
         /**
          * no args constructor.
@@ -595,5 +624,16 @@ public Builder matchRestful(final Boolean matchRestful) {
             this.matchRestful = matchRestful;
             return this;
         }
+        
+        /**
+         * build namespaceId.
+         *
+         * @param namespaceId namespaceId
+         * @return this
+         */
+        public Builder namespaceId(final String namespaceId) {
+            this.namespaceId = namespaceId;
+            return this;
+        }
     }
 }
diff --git a/shenyu-plugin/shenyu-plugin-proxy/shenyu-plugin-rpc/shenyu-plugin-tars/src/test/java/org/apache/shenyu/plugin/tars/TarsPluginTest.java b/shenyu-plugin/shenyu-plugin-proxy/shenyu-plugin-rpc/shenyu-plugin-tars/src/test/java/org/apache/shenyu/plugin/tars/TarsPluginTest.java
index 723d72106721..33bcff297269 100644
--- a/shenyu-plugin/shenyu-plugin-proxy/shenyu-plugin-rpc/shenyu-plugin-tars/src/test/java/org/apache/shenyu/plugin/tars/TarsPluginTest.java
+++ b/shenyu-plugin/shenyu-plugin-proxy/shenyu-plugin-rpc/shenyu-plugin-tars/src/test/java/org/apache/shenyu/plugin/tars/TarsPluginTest.java
@@ -84,7 +84,7 @@ public void setUp() {
                 "path", RpcTypeEnum.TARS.getName(), "serviceName", "method1",
                 "parameterTypes", "{\"methodInfo\":[{\"methodName\":\"method1\",\"params\":"
                 + "[{\"left\":\"java.lang.String\",\"right\":\"param1\"},{\"left\":\"java.lang.String\","
-                + "\"right\":\"param2\"}],\"returnType\":\"java.lang.String\"}]}", false);
+                + "\"right\":\"param2\"}],\"returnType\":\"java.lang.String\"}]}", false, Constants.SYS_DEFAULT_NAMESPACE_ID);
         ApplicationConfigCache.getInstance().initPrx(metaData);
         exchange = MockServerWebExchange.from(MockServerHttpRequest.get("localhost").build());
         tarsPluginUnderTest = new TarsPlugin();
diff --git a/shenyu-plugin/shenyu-plugin-proxy/shenyu-plugin-rpc/shenyu-plugin-tars/src/test/java/org/apache/shenyu/plugin/tars/cache/ApplicationConfigCacheTest.java b/shenyu-plugin/shenyu-plugin-proxy/shenyu-plugin-rpc/shenyu-plugin-tars/src/test/java/org/apache/shenyu/plugin/tars/cache/ApplicationConfigCacheTest.java
index bf657677034b..cbf228627eaf 100644
--- a/shenyu-plugin/shenyu-plugin-proxy/shenyu-plugin-rpc/shenyu-plugin-tars/src/test/java/org/apache/shenyu/plugin/tars/cache/ApplicationConfigCacheTest.java
+++ b/shenyu-plugin/shenyu-plugin-proxy/shenyu-plugin-rpc/shenyu-plugin-tars/src/test/java/org/apache/shenyu/plugin/tars/cache/ApplicationConfigCacheTest.java
@@ -19,6 +19,7 @@
 
 import com.qq.tars.protocol.annotation.Servant;
 import org.apache.shenyu.common.concurrent.ShenyuThreadFactory;
+import org.apache.shenyu.common.constant.Constants;
 import org.apache.shenyu.common.dto.MetaData;
 import org.apache.shenyu.common.enums.RpcTypeEnum;
 import org.apache.shenyu.plugin.tars.proxy.TarsInvokePrxList;
@@ -61,7 +62,7 @@ public void testGet() throws ClassNotFoundException {
 
         final MetaData metaData = new MetaData("id", "127.0.0.1:8080", "contextPath",
                 "path5", RpcTypeEnum.TARS.getName(), "serviceName5", "method1",
-                "parameterTypes", rpcExt, false);
+                "parameterTypes", rpcExt, false, Constants.SYS_DEFAULT_NAMESPACE_ID);
 
         assertThrows(NullPointerException.class, () -> {
             applicationConfigCacheUnderTest.initPrx(metaData);
@@ -93,16 +94,16 @@ public void testConcurrentInitPrx() {
 
         final MetaData metaData1 = new MetaData("id", "127.0.0.1:8080", "contextPath",
                 "path1", RpcTypeEnum.TARS.getName(), "serviceName1", "method1",
-                "parameterTypes", rpcExt1, false);
+                "parameterTypes", rpcExt1, false, Constants.SYS_DEFAULT_NAMESPACE_ID);
         final MetaData metaData2 = new MetaData("id", "127.0.0.1:8080", "contextPath",
                 "path2", RpcTypeEnum.TARS.getName(), "serviceName2", "method2",
-                "parameterTypes", rpcExt2, false);
+                "parameterTypes", rpcExt2, false, Constants.SYS_DEFAULT_NAMESPACE_ID);
         final MetaData metaData3 = new MetaData("id", "127.0.0.1:8080", "contextPath",
                 "path3", RpcTypeEnum.TARS.getName(), "serviceName3", "method3",
-                "parameterTypes", rpcExt3, false);
+                "parameterTypes", rpcExt3, false, Constants.SYS_DEFAULT_NAMESPACE_ID);
         final MetaData metaData4 = new MetaData("id", "127.0.0.1:8080", "contextPath",
                 "path4", RpcTypeEnum.TARS.getName(), "serviceName4", "method4",
-                "parameterTypes", rpcExt4, false);
+                "parameterTypes", rpcExt4, false, Constants.SYS_DEFAULT_NAMESPACE_ID);
         List<MetaData> metaDataList = Lists.list(metaData1, metaData2, metaData3, metaData4);
         assertThrows(NullPointerException.class, () -> {
             ExecutorService executorService = Executors.newFixedThreadPool(4,
@@ -125,7 +126,7 @@ public void testInitPrx() {
         final MetaData metaData = new MetaData("id", "127.0.0.1:8080", "contextPath",
                 "path6", RpcTypeEnum.TARS.getName(), "serviceName6", "method1",
                 "parameterTypes", "{\"methodInfo\":[{\"methodName\":\"method1\",\"params\":[{\"left\":\"int\",\"right\":\"param1\"},"
-                + "{\"left\":\"java.lang.Integer\",\"right\":\"param2\"}],\"returnType\":\"java.lang.String\"}]}", false);
+                + "{\"left\":\"java.lang.Integer\",\"right\":\"param2\"}],\"returnType\":\"java.lang.String\"}]}", false, Constants.SYS_DEFAULT_NAMESPACE_ID);
         assertThrows(NullPointerException.class, () -> {
             applicationConfigCacheUnderTest.initPrx(metaData);       
             final TarsInvokePrxList result = applicationConfigCacheUnderTest.get("path6");
diff --git a/shenyu-plugin/shenyu-plugin-proxy/shenyu-plugin-rpc/shenyu-plugin-tars/src/test/java/org/apache/shenyu/plugin/tars/handler/TarsMetaDataHandlerTest.java b/shenyu-plugin/shenyu-plugin-proxy/shenyu-plugin-rpc/shenyu-plugin-tars/src/test/java/org/apache/shenyu/plugin/tars/handler/TarsMetaDataHandlerTest.java
index 71eed8a4c8a2..3377e785b114 100644
--- a/shenyu-plugin/shenyu-plugin-proxy/shenyu-plugin-rpc/shenyu-plugin-tars/src/test/java/org/apache/shenyu/plugin/tars/handler/TarsMetaDataHandlerTest.java
+++ b/shenyu-plugin/shenyu-plugin-proxy/shenyu-plugin-rpc/shenyu-plugin-tars/src/test/java/org/apache/shenyu/plugin/tars/handler/TarsMetaDataHandlerTest.java
@@ -17,6 +17,7 @@
 
 package org.apache.shenyu.plugin.tars.handler;
 
+import org.apache.shenyu.common.constant.Constants;
 import org.apache.shenyu.common.dto.MetaData;
 import org.apache.shenyu.common.enums.RpcTypeEnum;
 import org.junit.jupiter.api.BeforeEach;
@@ -39,7 +40,7 @@ public void setUp() {
         metaData = new MetaData("id", "127.0.0.1:8080", "contextPath",
                 "path", RpcTypeEnum.TARS.getName(), "serviceName", "method1",
                 "parameterTypes", "{\"methodInfo\":[{\"methodName\":\"method1\",\"params\":[{\"left\":\"int\",\"right\":\"param1\"},"
-                + "{\"left\":\"java.lang.Integer\",\"right\":\"param2\"}],\"returnType\":\"java.lang.String\"}]}", false);
+                + "{\"left\":\"java.lang.Integer\",\"right\":\"param2\"}],\"returnType\":\"java.lang.String\"}]}", false, Constants.SYS_DEFAULT_NAMESPACE_ID);
         tarsMetaDataHandler = new TarsMetaDataHandler();
     }
 
diff --git a/shenyu-plugin/shenyu-plugin-proxy/shenyu-plugin-rpc/shenyu-plugin-tars/src/test/java/org/apache/shenyu/plugin/tars/util/PrxInfoUtilTest.java b/shenyu-plugin/shenyu-plugin-proxy/shenyu-plugin-rpc/shenyu-plugin-tars/src/test/java/org/apache/shenyu/plugin/tars/util/PrxInfoUtilTest.java
index 298a714f980d..431756bf4d59 100644
--- a/shenyu-plugin/shenyu-plugin-proxy/shenyu-plugin-rpc/shenyu-plugin-tars/src/test/java/org/apache/shenyu/plugin/tars/util/PrxInfoUtilTest.java
+++ b/shenyu-plugin/shenyu-plugin-proxy/shenyu-plugin-rpc/shenyu-plugin-tars/src/test/java/org/apache/shenyu/plugin/tars/util/PrxInfoUtilTest.java
@@ -17,6 +17,7 @@
 
 package org.apache.shenyu.plugin.tars.util;
 
+import org.apache.shenyu.common.constant.Constants;
 import org.apache.shenyu.common.dto.MetaData;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
@@ -53,7 +54,7 @@ public void testGetParamClassThrowsClassNotFoundException() throws Exception {
     public void testGetPrxName() {
         final MetaData metaData = new MetaData("id", "appName", "contextPath", "/path",
                 "rpcType", "serviceName", "methodName", "parameterTypes",
-                "rpcExt", false);
+                "rpcExt", false, Constants.SYS_DEFAULT_NAMESPACE_ID);
         final String result = PrxInfoUtil.getPrxName(metaData);
         assertEquals("pathmethodNamePrx", result);
     }