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 373367d852bafebdaa45b5f32dca980f42ede208..c0dd30f6c2c359cddfdbb8b7c9517511e7486ea1 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
@@ -258,6 +258,11 @@ class RdbStoreTest : public RdbStore {
             return E_ERROR;
         };
 
+        virtual int Notify(const std::string &event)
+        {
+            return E_ERROR;
+        }
+
         virtual bool DropDeviceData(const std::vector<std::string>& devices, const DropOption& option)
         {
             return false;