diff --git a/test/unittest/mock/datashare_helper_mock.h b/test/unittest/mock/datashare_helper_mock.h
index 914a895b00fac035445e44c21abe7b8559aa014d..8c55c8ca477b25704c097c26bae6cf30d55da677 100644
--- a/test/unittest/mock/datashare_helper_mock.h
+++ b/test/unittest/mock/datashare_helper_mock.h
@@ -61,10 +61,9 @@ public:
     MOCK_METHOD(int, RegisterObserver, (const Uri &, const sptr<IDataAbilityObserver> &));
     MOCK_METHOD(int, UnregisterObserver, (const Uri &, const sptr<IDataAbilityObserver> &));
     MOCK_METHOD(void, NotifyChange, (const Uri &));
-    MOCK_METHOD(
-        void, RegisterObserverExtProvider, (const Uri &uri, const std::shared_ptr<DataShareObserver> dataObserver,
-            bool isDescendants), (override));
-    MOCK_METHOD(void, UnregisterObserverExtProvider, (const Uri &uri,
+    MOCK_METHOD(int, RegisterObserverExtProvider, (const Uri &uri,
+        const std::shared_ptr<DataShareObserver> dataObserver, bool isDescendants), (override));
+    MOCK_METHOD(int, UnregisterObserverExtProvider, (const Uri &uri,
         const std::shared_ptr<DataShareObserver> dataObserver), (override));
     MOCK_METHOD(void, NotifyChangeExtProvider, (const DataShareObserver::ChangeInfo &changeInfo), (override));
     MOCK_METHOD(Uri, NormalizeUri, (Uri &));