diff --git a/src/observer/omt/ob_multi_tenant.cpp b/src/observer/omt/ob_multi_tenant.cpp
index 0776e8c94a..e96f120637 100644
--- a/src/observer/omt/ob_multi_tenant.cpp
+++ b/src/observer/omt/ob_multi_tenant.cpp
@@ -425,7 +425,7 @@ int ObMultiTenant::init(ObAddr myaddr,
     MTL_BIND2(mtl_new_default, ObAccessService::mtl_init, nullptr, mtl_stop_default, nullptr, mtl_destroy_default);
     MTL_BIND2(mtl_new_default, ObCheckPointService::mtl_init, mtl_start_default, mtl_stop_default, mtl_wait_default, mtl_destroy_default);
     MTL_BIND2(mtl_new_default, ObMultiVersionGarbageCollector::mtl_init, mtl_start_default, mtl_stop_default, mtl_wait_default, mtl_destroy_default);
-    MTL_BIND2(mtl_new_default, ObUDRMgr::mtl_init, nullptr, nullptr, nullptr, mtl_destroy_default);
+    MTL_BIND2(mtl_new_default, ObUDRMgr::mtl_init, nullptr, ObUDRMgr::mtl_stop, nullptr, mtl_destroy_default);
 
     MTL_BIND(ObPxPools::mtl_init, ObPxPools::mtl_destroy);
     MTL_BIND(ObTenantDfc::mtl_init, ObTenantDfc::mtl_destroy);
diff --git a/src/sql/udr/ob_udr_mgr.cpp b/src/sql/udr/ob_udr_mgr.cpp
index dd818ad6ef..04ad2b27f7 100644
--- a/src/sql/udr/ob_udr_mgr.cpp
+++ b/src/sql/udr/ob_udr_mgr.cpp
@@ -160,6 +160,14 @@ int ObUDRMgr::mtl_init(ObUDRMgr* &node_list)
   return ret;
 }
 
+void ObUDRMgr::mtl_stop(ObUDRMgr* &udr_mgr)
+{
+  if (udr_mgr->inited_) {
+    TG_CANCEL(udr_mgr->tg_id_, udr_mgr->refresh_task_);
+    TG_STOP(udr_mgr->tg_id_);
+  }
+}
+
 void ObUDRMgr::destroy()
 {
   if (!destroyed_) {
diff --git a/src/sql/udr/ob_udr_mgr.h b/src/sql/udr/ob_udr_mgr.h
index 7cb388f02a..2ae6966803 100644
--- a/src/sql/udr/ob_udr_mgr.h
+++ b/src/sql/udr/ob_udr_mgr.h
@@ -84,7 +84,8 @@ public:
     tg_id_(-1),
     rule_version_(OB_INIT_REWRITE_RULE_VERSION) {}
   ~ObUDRMgr();
-  static int mtl_init(ObUDRMgr* &node_list);
+  static int mtl_init(ObUDRMgr* &udr_mgr);
+  static void mtl_stop(ObUDRMgr* &udr_mgr);
   void destroy();
   int insert_rule(ObUDRInfo &arg);
   int remove_rule(ObUDRInfo &arg);