diff --git a/cocos/scripting/js-bindings/manual/ScriptingCore.h b/cocos/scripting/js-bindings/manual/ScriptingCore.h
index 8f1a608302..41b020e8b5 100644
--- a/cocos/scripting/js-bindings/manual/ScriptingCore.h
+++ b/cocos/scripting/js-bindings/manual/ScriptingCore.h
@@ -99,19 +99,19 @@ public:
      * Gets the script type, for ScriptingCore, it will return `cocos2d::kScriptTypeJavascript`
      * @return `cocos2d::kScriptTypeJavascript`
      */
-    virtual cocos2d::ccScriptType getScriptType() { return cocos2d::kScriptTypeJavascript; };
+    virtual cocos2d::ccScriptType getScriptType() override { return cocos2d::kScriptTypeJavascript; };
     
     /**
      * @brief @~english Removes the C++ object's linked JavaScript proxy object from JavaScript context
      * @param obj @~english Object to be removed
      */
-    virtual void removeScriptObjectByObject(cocos2d::Ref* obj);
+    virtual void removeScriptObjectByObject(cocos2d::Ref* obj) override;
     
     /**
      * @brief @~english Useless in ScriptingCore, please use evalString
      * @see evalString
      */
-    virtual int executeString(const char* codes) { return 0; }
+    virtual int executeString(const char* codes) override { return 0; }
     
     /**
      * @brief @~english Pause scheduled tasks and actions for an object proxy.
@@ -133,14 +133,14 @@ public:
      @brief Useless in ScriptingCore, please use runScript
      @param filename String object holding the filename of the script file that is to be executed
      */
-    virtual  int executeScriptFile(const char* filename) { return 0; }
+    virtual  int executeScriptFile(const char* filename) override { return 0; }
 
     /**
      @brief @~english Useless in ScriptingCore, please use executeFunctionWithOwner
      @param functionName String object holding the name of the function, in the global script environment, that is to be executed.
      @return The integer value returned from the script function.
      */
-    virtual int executeGlobalFunction(const char* functionName) { return 0; }
+    virtual int executeGlobalFunction(const char* functionName) override { return 0; }
 
     virtual int sendEvent(cocos2d::ScriptEvent* message) override;
     
@@ -149,10 +149,10 @@ public:
      * @brief @~english Useless in ScriptingCore
      * @return @~english false
      */
-    virtual bool handleAssert(const char *msg) { return false; }
+    virtual bool handleAssert(const char *msg) override { return false; }
 
-    virtual void setCalledFromScript(bool callFromScript) { _callFromScript = callFromScript; };
-    virtual bool isCalledFromScript() { return _callFromScript; };
+    virtual void setCalledFromScript(bool callFromScript) override { _callFromScript = callFromScript; };
+    virtual bool isCalledFromScript() override { return _callFromScript; };
     
     /**
      * @brief @~english Execute a js function with a JavaScript object as parameter.
diff --git a/extensions/Particle3D/PU/CCPURibbonTrail.h b/extensions/Particle3D/PU/CCPURibbonTrail.h
index 00ccf78781..d31a4aaed6 100644
--- a/extensions/Particle3D/PU/CCPURibbonTrail.h
+++ b/extensions/Particle3D/PU/CCPURibbonTrail.h
@@ -75,11 +75,11 @@ public:
     virtual float getTrailLength(void) const { return _trailLength; }
 
     /** @copydoc BillboardChain::setMaxChainElements */
-    void setMaxChainElements(size_t maxElements);
+    void setMaxChainElements(size_t maxElements) override;
     /** @copydoc BillboardChain::setNumberOfChains */
     virtual void setNumberOfChains(size_t numChains) override;
     /** @copydoc BillboardChain::clearChain */
-    void clearChain(size_t chainIndex);
+    void clearChain(size_t chainIndex) override;
 
     /** Set the starting ribbon colour for a given segment. 
     @param chainIndex The index of the chain
diff --git a/tests/js-tests/project/Classes/AppDelegate.h b/tests/js-tests/project/Classes/AppDelegate.h
index ee146a75d9..aabb7fa2f4 100644
--- a/tests/js-tests/project/Classes/AppDelegate.h
+++ b/tests/js-tests/project/Classes/AppDelegate.h
@@ -20,19 +20,19 @@ public:
      @return true    Initialize success, app continue.
      @return false   Initialize failed, app terminate.
      */
-    virtual bool applicationDidFinishLaunching();
+    virtual bool applicationDidFinishLaunching() override;
     
     /**
      @brief  The function be called when the application enter background
      @param  the pointer of the application
      */
-    virtual void applicationDidEnterBackground();
+    virtual void applicationDidEnterBackground() override;
     
     /**
      @brief  The function be called when the application enter foreground
      @param  the pointer of the application
      */
-    virtual void applicationWillEnterForeground();
+    virtual void applicationWillEnterForeground() override;
 };
 
 #endif // _APP_DELEGATE_H_
diff --git a/tests/js-tests/project/Classes/js_DrawNode3D_bindings.cpp b/tests/js-tests/project/Classes/js_DrawNode3D_bindings.cpp
index b8cd8a42e4..9618fb9926 100644
--- a/tests/js-tests/project/Classes/js_DrawNode3D_bindings.cpp
+++ b/tests/js-tests/project/Classes/js_DrawNode3D_bindings.cpp
@@ -82,7 +82,7 @@ public:
 CC_CONSTRUCTOR_ACCESS:
     DrawNode3D();
     virtual ~DrawNode3D();
-    virtual bool init();
+    virtual bool init() override;
 
 protected:
     struct V3F_C4B