diff --git a/services/ans/test/unittest/notification_rdb_data_mgr_test/notification_rdb_data_mgr_test.cpp b/services/ans/test/unittest/notification_rdb_data_mgr_test/notification_rdb_data_mgr_test.cpp
index fe194ca703079764cae3c017850f7176b9feb4e8..6ed1cc8dc9daa3df1c8a980e3f01ae5b8a441ca5 100755
--- a/services/ans/test/unittest/notification_rdb_data_mgr_test/notification_rdb_data_mgr_test.cpp
+++ b/services/ans/test/unittest/notification_rdb_data_mgr_test/notification_rdb_data_mgr_test.cpp
@@ -289,12 +289,12 @@ class RdbStoreTest : public RdbStore {
             return E_ERROR;
         };
 
-        virtual int Subscribe(const SubscribeOption& option, RdbStoreObserver *observer)
+        virtual int Subscribe(const SubscribeOption& option, std::shared_ptr<RdbStoreObserver> observer)
         {
             return E_ERROR;
         };
 
-        virtual int UnSubscribe(const SubscribeOption& option, RdbStoreObserver *observer)
+        virtual int UnSubscribe(const SubscribeOption& option, std::shared_ptr<RdbStoreObserver> observer)
         {
             return E_ERROR;
         };