diff --git a/eventmesh-runtime-v2/src/main/java/org/apache/eventmesh/runtime/boot/RuntimeInstance.java b/eventmesh-runtime-v2/src/main/java/org/apache/eventmesh/runtime/boot/RuntimeInstance.java
index 5e3c3060f2..dc37db1da2 100644
--- a/eventmesh-runtime-v2/src/main/java/org/apache/eventmesh/runtime/boot/RuntimeInstance.java
+++ b/eventmesh-runtime-v2/src/main/java/org/apache/eventmesh/runtime/boot/RuntimeInstance.java
@@ -1,7 +1,9 @@
 package org.apache.eventmesh.runtime.boot;
 
 import lombok.extern.slf4j.Slf4j;
+
 import org.apache.commons.lang3.StringUtils;
+
 import org.apache.eventmesh.registry.QueryInstances;
 import org.apache.eventmesh.registry.RegisterServerInfo;
 import org.apache.eventmesh.registry.RegistryFactory;
@@ -26,7 +28,7 @@ public class RuntimeInstance {
 
     private Map<String, RegisterServerInfo> adminServerInfoMap = new HashMap<>();
 
-//    private final RegistryService registryService;
+    private final RegistryService registryService;
 
     private Runtime runtime;
 
@@ -38,20 +40,20 @@ public class RuntimeInstance {
 
     public RuntimeInstance(RuntimeInstanceConfig runtimeInstanceConfig) {
         this.runtimeInstanceConfig = runtimeInstanceConfig;
-//        this.registryService = RegistryFactory.getInstance(runtimeInstanceConfig.getRegistryPluginType());
+        this.registryService = RegistryFactory.getInstance(runtimeInstanceConfig.getRegistryPluginType());
     }
 
     public void init() throws Exception {
-//        registryService.init();
+        registryService.init();
         QueryInstances queryInstances = new QueryInstances();
         queryInstances.setServiceName(runtimeInstanceConfig.getAdminServiceName());
         queryInstances.setHealth(true);
-//        List<RegisterServerInfo> adminServerRegisterInfoList = registryService.selectInstances(queryInstances);
-//        if (!adminServerRegisterInfoList.isEmpty()) {
-//            adminServerAddr = getRandomAdminServerAddr(adminServerRegisterInfoList);
-//        } else {
-//            throw new RuntimeException("admin server address is empty, please check");
-//        }
+        List<RegisterServerInfo> adminServerRegisterInfoList = registryService.selectInstances(queryInstances);
+        if (!adminServerRegisterInfoList.isEmpty()) {
+            adminServerAddr = getRandomAdminServerAddr(adminServerRegisterInfoList);
+        } else {
+            throw new RuntimeException("admin server address is empty, please check");
+        }
         runtimeInstanceConfig.setAdminServerAddr(adminServerAddr);
         runtimeFactory = initRuntimeFactory(runtimeInstanceConfig);
         runtime = runtimeFactory.createRuntime(runtimeInstanceConfig);
@@ -61,19 +63,19 @@ public void init() throws Exception {
     public void start() throws Exception {
         if (!StringUtils.isBlank(adminServerAddr)) {
 
-//            registryService.subscribe((event) -> {
-//                log.info("runtime receive registry event: {}", event);
-//                List<RegisterServerInfo> registerServerInfoList = event.getInstances();
-//                Map<String, RegisterServerInfo> registerServerInfoMap = new HashMap<>();
-//                for (RegisterServerInfo registerServerInfo : registerServerInfoList) {
-//                    registerServerInfoMap.put(registerServerInfo.getAddress(), registerServerInfo);
-//                }
-//                if (!registerServerInfoMap.isEmpty()) {
-//                    adminServerInfoMap = registerServerInfoMap;
-//                    updateAdminServerAddr();
-//                }
-//
-//            }, runtimeInstanceConfig.getAdminServiceName());
+            registryService.subscribe((event) -> {
+                log.info("runtime receive registry event: {}", event);
+                List<RegisterServerInfo> registerServerInfoList = event.getInstances();
+                Map<String, RegisterServerInfo> registerServerInfoMap = new HashMap<>();
+                for (RegisterServerInfo registerServerInfo : registerServerInfoList) {
+                    registerServerInfoMap.put(registerServerInfo.getAddress(), registerServerInfo);
+                }
+                if (!registerServerInfoMap.isEmpty()) {
+                    adminServerInfoMap = registerServerInfoMap;
+                    updateAdminServerAddr();
+                }
+
+            }, runtimeInstanceConfig.getAdminServiceName());
             runtime.start();
             isStarted = true;
         } else {