diff --git a/interfaces/innerkits/native_cpp/screen_sink/include/callback/dscreen_sink_load_callback.h b/interfaces/innerkits/native_cpp/screen_sink/include/callback/dscreen_sink_load_callback.h
index 5bb267e..ef702d7 100644
--- a/interfaces/innerkits/native_cpp/screen_sink/include/callback/dscreen_sink_load_callback.h
+++ b/interfaces/innerkits/native_cpp/screen_sink/include/callback/dscreen_sink_load_callback.h
@@ -24,8 +24,8 @@ class DScreenSinkLoadCallback : public SystemAbilityLoadCallbackStub {
 public:
     explicit DScreenSinkLoadCallback(const std::string params);
     void OnLoadSystemAbilitySuccess(int32_t systemAbilityId,
-        const sptr<IRemoteObject> &remoteObject);
-    void OnLoadSystemAbilityFail(int32_t systemAbilityId);
+        const sptr<IRemoteObject> &remoteObject) override;
+    void OnLoadSystemAbilityFail(int32_t systemAbilityId) override;
 private:
     std::string params_;
 };
diff --git a/interfaces/innerkits/native_cpp/screen_sink/src/callback/dscreen_sink_load_callback.cpp b/interfaces/innerkits/native_cpp/screen_sink/src/callback/dscreen_sink_load_callback.cpp
index ba1d2b3..b68c5eb 100644
--- a/interfaces/innerkits/native_cpp/screen_sink/src/callback/dscreen_sink_load_callback.cpp
+++ b/interfaces/innerkits/native_cpp/screen_sink/src/callback/dscreen_sink_load_callback.cpp
@@ -26,7 +26,7 @@ void DScreenSinkLoadCallback::OnLoadSystemAbilitySuccess(
     int32_t systemAbilityId, const sptr<IRemoteObject> &remoteObject)
 {
     DHLOGI("load screen SA success, systemAbilityId:%d, remoteObject result:%s",
-        systemAbilityId, (remoteObject != nullptr) ? "true":"false");
+        systemAbilityId, (remoteObject != nullptr) ? "true" : "false");
     if (remoteObject == nullptr) {
         DHLOGE("remoteObject is nullptr");
         return;
diff --git a/interfaces/innerkits/native_cpp/screen_source/include/callback/dscreen_source_load_callback.h b/interfaces/innerkits/native_cpp/screen_source/include/callback/dscreen_source_load_callback.h
index d47499a..ba89e48 100644
--- a/interfaces/innerkits/native_cpp/screen_source/include/callback/dscreen_source_load_callback.h
+++ b/interfaces/innerkits/native_cpp/screen_source/include/callback/dscreen_source_load_callback.h
@@ -24,8 +24,8 @@ class DScreenSourceLoadCallback : public SystemAbilityLoadCallbackStub {
 public:
     explicit DScreenSourceLoadCallback(const std::string params);
     void OnLoadSystemAbilitySuccess(int32_t systemAbilityId,
-        const sptr<IRemoteObject> &remoteObject);
-    void OnLoadSystemAbilityFail(int32_t systemAbilityId);
+        const sptr<IRemoteObject> &remoteObject) override;
+    void OnLoadSystemAbilityFail(int32_t systemAbilityId) override;
 private:
     std::string params_;
 };
diff --git a/interfaces/innerkits/native_cpp/screen_source/src/callback/dscreen_source_load_callback.cpp b/interfaces/innerkits/native_cpp/screen_source/src/callback/dscreen_source_load_callback.cpp
index 8e26343..c2929c5 100644
--- a/interfaces/innerkits/native_cpp/screen_source/src/callback/dscreen_source_load_callback.cpp
+++ b/interfaces/innerkits/native_cpp/screen_source/src/callback/dscreen_source_load_callback.cpp
@@ -26,7 +26,7 @@ void DScreenSourceLoadCallback::OnLoadSystemAbilitySuccess(
     int32_t systemAbilityId, const sptr<IRemoteObject> &remoteObject)
 {
     DHLOGI("load screen SA success, systemAbilityId:%d, remoteObject result:%s",
-        systemAbilityId, (remoteObject != nullptr) ? "true":"false");
+        systemAbilityId, (remoteObject != nullptr) ? "true" : "false");
     if (remoteObject == nullptr) {
         DHLOGE("remoteObject is nullptr");
         return;