diff --git a/cocos/ui/UIHelper.cpp b/cocos/ui/UIHelper.cpp
index 140f9003b3..7e0e4ca169 100644
--- a/cocos/ui/UIHelper.cpp
+++ b/cocos/ui/UIHelper.cpp
@@ -55,13 +55,13 @@ Widget* Helper::seekWidgetByTag(Widget* root, int tag)
     return nullptr;
 }
 
-Widget* Helper::seekWidgetByName(Widget* root, const char *name)
+Widget* Helper::seekWidgetByName(Widget* root, const std::string& name)
 {
     if (!root)
     {
         return nullptr;
     }
-    if (strcmp(root->getName(), name) == 0)
+    if (root->getName() == name)
     {
         return root;
     }
diff --git a/cocos/ui/UIHelper.h b/cocos/ui/UIHelper.h
index e12fc0dfc7..c16f90e669 100644
--- a/cocos/ui/UIHelper.h
+++ b/cocos/ui/UIHelper.h
@@ -56,7 +56,7 @@ public:
      *
      * @return finded result.
      */
-    static Widget* seekWidgetByName(Widget* root, const char* name);
+    static Widget* seekWidgetByName(Widget* root, const std::string& name);
     
     /*temp action*/
     static Widget* seekActionWidgetByActionTag(Widget* root, int tag);
diff --git a/cocos/ui/UILayout.cpp b/cocos/ui/UILayout.cpp
index 6d01b074bd..d5401ebc34 100644
--- a/cocos/ui/UILayout.cpp
+++ b/cocos/ui/UILayout.cpp
@@ -234,19 +234,19 @@ void RelativeLayoutExecutant::doLayout(const cocos2d::Size &layoutSize, Vector<c
                 Vector2 ap = child->getAnchorPoint();
                 Size cs = child->getSize();
                 RelativeLayoutParameter::RelativeAlign align = layoutParameter->getAlign();
-                const char* relativeName = layoutParameter->getRelativeToWidgetName();
+                const std::string relativeName = layoutParameter->getRelativeToWidgetName();
                 Widget* relativeWidget = nullptr;
                 RelativeLayoutParameter* relativeWidgetLP = nullptr;
                 float finalPosX = 0.0f;
                 float finalPosY = 0.0f;
-                if (relativeName && strcmp(relativeName, ""))
+                if (!relativeName.empty())
                 {
                     for (auto& sWidget : widgetChildren)
                     {
                         if (sWidget)
                         {
                             RelativeLayoutParameter* rlayoutParameter = dynamic_cast<RelativeLayoutParameter*>(sWidget->getLayoutParameter(LayoutParameter::Type::RELATIVE));
-                            if (rlayoutParameter && strcmp(rlayoutParameter->getRelativeName(), relativeName) == 0)
+                            if (rlayoutParameter &&  rlayoutParameter->getRelativeName() == relativeName)
                             {
                                 relativeWidget = sWidget;
                                 relativeWidgetLP = rlayoutParameter;
diff --git a/cocos/ui/UILayoutParameter.cpp b/cocos/ui/UILayoutParameter.cpp
index 865542da67..71f78db93e 100644
--- a/cocos/ui/UILayoutParameter.cpp
+++ b/cocos/ui/UILayoutParameter.cpp
@@ -164,24 +164,24 @@ RelativeLayoutParameter::RelativeAlign RelativeLayoutParameter::getAlign() const
     return _relativeAlign;
 }
 
-void RelativeLayoutParameter::setRelativeToWidgetName(const char *name)
+void RelativeLayoutParameter::setRelativeToWidgetName(const std::string& name)
 {
     _relativeWidgetName = name;
 }
 
-const char* RelativeLayoutParameter::getRelativeToWidgetName() const
+const std::string& RelativeLayoutParameter::getRelativeToWidgetName() const
 {
-    return _relativeWidgetName.c_str();
+    return _relativeWidgetName;
 }
 
-void RelativeLayoutParameter::setRelativeName(const char* name)
+void RelativeLayoutParameter::setRelativeName(const std::string& name)
 {
     _relativeLayoutName = name;
 }
 
-const char* RelativeLayoutParameter::getRelativeName() const
+const std::string& RelativeLayoutParameter::getRelativeName() const
 {
-    return _relativeLayoutName.c_str();
+    return _relativeLayoutName;
 }
     
 LayoutParameter* RelativeLayoutParameter::createCloneInstance()
@@ -196,8 +196,8 @@ void RelativeLayoutParameter::copyProperties(LayoutParameter *model)
     if (parameter)
     {
         setAlign(parameter->_relativeAlign);
-        setRelativeName(parameter->_relativeLayoutName.c_str());
-        setRelativeToWidgetName(parameter->_relativeWidgetName.c_str());
+        setRelativeName(parameter->_relativeLayoutName);
+        setRelativeToWidgetName(parameter->_relativeWidgetName);
     }
 }
 
diff --git a/cocos/ui/UILayoutParameter.h b/cocos/ui/UILayoutParameter.h
index 5dc3efedc1..388af3f442 100644
--- a/cocos/ui/UILayoutParameter.h
+++ b/cocos/ui/UILayoutParameter.h
@@ -268,28 +268,28 @@ public:
      *
      * @param name
      */
-    void setRelativeToWidgetName(const char* name);
+    void setRelativeToWidgetName(const std::string& name);
     
     /**
      * Gets the key of LayoutParameter. Witch widget named this is relative to.
      *
      * @return name
      */
-    const char* getRelativeToWidgetName() const;
+    const std::string& getRelativeToWidgetName() const;
     
     /**
      * Sets a name in Relative Layout for LayoutParameter.
      *
      * @param name
      */
-    void setRelativeName(const char* name);
+    void setRelativeName(const std::string& name);
     
     /**
      * Gets a name in Relative Layout of LayoutParameter.
      *
      * @return name
      */
-    const char* getRelativeName() const;
+    const std::string& getRelativeName() const;
     
     virtual LayoutParameter* createCloneInstance() override;
     virtual void copyProperties(LayoutParameter* model) override;
diff --git a/cocos/ui/UIListView.h b/cocos/ui/UIListView.h
index b16b4f1595..dc490026e5 100644
--- a/cocos/ui/UIListView.h
+++ b/cocos/ui/UIListView.h
@@ -197,7 +197,7 @@ protected:
     virtual const Vector<Node*>& getChildren() const override{return ScrollView::getChildren();};
     virtual ssize_t getChildrenCount() const override {return ScrollView::getChildrenCount();};
     virtual Node * getChildByTag(int tag) override {return ScrollView::getChildByTag(tag);};
-    virtual Widget* getChildByName(const char* name) override {return ScrollView::getChildByName(name);};
+    virtual Widget* getChildByName(const std::string& name) override {return ScrollView::getChildByName(name);};
     void updateInnerContainerSize();
     void remedyLayoutParameter(Widget* item);
     virtual void onSizeChanged() override;
diff --git a/cocos/ui/UIPageView.h b/cocos/ui/UIPageView.h
index 1b1e62c283..188fae1aa2 100644
--- a/cocos/ui/UIPageView.h
+++ b/cocos/ui/UIPageView.h
@@ -184,7 +184,7 @@ protected:
     virtual const Vector<Node*>& getChildren() const override{return Widget::getChildren();};
     virtual ssize_t getChildrenCount() const override {return Widget::getChildrenCount();};
     virtual Node * getChildByTag(int tag) override {return Widget::getChildByTag(tag);};
-    virtual Widget* getChildByName(const char* name) override {return Widget::getChildByName(name);};
+virtual Widget* getChildByName(const std::string& name) override {return Widget::getChildByName(name);};
 
     Layout* createPage();
     float getPositionXByIndex(ssize_t idx);
diff --git a/cocos/ui/UIRichText.cpp b/cocos/ui/UIRichText.cpp
index c2abd53c56..1c96d9e50b 100644
--- a/cocos/ui/UIRichText.cpp
+++ b/cocos/ui/UIRichText.cpp
@@ -55,7 +55,7 @@ bool RichElement::init(int tag, const Color3B &color, GLubyte opacity)
 }
     
     
-RichElementText* RichElementText::create(int tag, const Color3B &color, GLubyte opacity, const char *text, const char *fontName, float fontSize)
+RichElementText* RichElementText::create(int tag, const Color3B &color, GLubyte opacity, const std::string& text, const std::string& fontName, float fontSize)
 {
     RichElementText* element = new RichElementText();
     if (element && element->init(tag, color, opacity, text, fontName, fontSize))
@@ -67,7 +67,7 @@ RichElementText* RichElementText::create(int tag, const Color3B &color, GLubyte
     return NULL;
 }
     
-bool RichElementText::init(int tag, const Color3B &color, GLubyte opacity, const char *text, const char *fontName, float fontSize)
+bool RichElementText::init(int tag, const Color3B &color, GLubyte opacity, const std::string& text, const std::string& fontName, float fontSize)
 {
     if (RichElement::init(tag, color, opacity))
     {
@@ -79,7 +79,7 @@ bool RichElementText::init(int tag, const Color3B &color, GLubyte opacity, const
     return false;
 }
 
-RichElementImage* RichElementImage::create(int tag, const Color3B &color, GLubyte opacity, const char *filePath)
+RichElementImage* RichElementImage::create(int tag, const Color3B &color, GLubyte opacity, const std::string& filePath)
 {
     RichElementImage* element = new RichElementImage();
     if (element && element->init(tag, color, opacity, filePath))
@@ -91,7 +91,7 @@ RichElementImage* RichElementImage::create(int tag, const Color3B &color, GLubyt
     return NULL;
 }
     
-bool RichElementImage::init(int tag, const Color3B &color, GLubyte opacity, const char *filePath)
+bool RichElementImage::init(int tag, const Color3B &color, GLubyte opacity, const std::string& filePath)
 {
     if (RichElement::init(tag, color, opacity))
     {
@@ -275,7 +275,7 @@ void RichText::formatText()
     }
 }
     
-void RichText::handleTextRenderer(const char *text, const char *fontName, float fontSize, const Color3B &color, GLubyte opacity)
+void RichText::handleTextRenderer(const std::string& text, const std::string& fontName, float fontSize, const Color3B &color, GLubyte opacity)
 {
     auto fileExist = FileUtils::getInstance()->isFileExist(fontName);
     Label* textRenderer = nullptr;
@@ -293,7 +293,7 @@ void RichText::handleTextRenderer(const char *text, const char *fontName, float
     {
         float overstepPercent = (-_leftSpaceWidth) / textRendererWidth;
         std::string curText = text;
-        size_t stringLength = _calcCharCount(text);
+        size_t stringLength = _calcCharCount(text.c_str());
         int leftLength = stringLength * (1.0f - overstepPercent);
         std::string leftWords = curText.substr(0, leftLength);
         std::string cutWords = curText.substr(leftLength, curText.length()-1);
@@ -327,7 +327,7 @@ void RichText::handleTextRenderer(const char *text, const char *fontName, float
     }
 }
     
-void RichText::handleImageRenderer(const char *fileParh, const Color3B &color, GLubyte opacity)
+void RichText::handleImageRenderer(const std::string& fileParh, const Color3B &color, GLubyte opacity)
 {
     Sprite* imageRenderer = Sprite::create(fileParh);
     handleCustomRenderer(imageRenderer);
diff --git a/cocos/ui/UIRichText.h b/cocos/ui/UIRichText.h
index cc49e443df..b65ee42053 100644
--- a/cocos/ui/UIRichText.h
+++ b/cocos/ui/UIRichText.h
@@ -56,8 +56,8 @@ class RichElementText : public RichElement
 public:
     RichElementText(){_type = Type::TEXT;};
     virtual ~RichElementText(){};
-    bool init(int tag, const Color3B& color, GLubyte opacity, const char* text, const char* fontName, float fontSize);
-    static RichElementText* create(int tag, const Color3B& color, GLubyte opacity, const char* text, const char* fontName, float fontSize);
+    bool init(int tag, const Color3B& color, GLubyte opacity, const std::string& text, const std::string& fontName, float fontSize);
+    static RichElementText* create(int tag, const Color3B& color, GLubyte opacity, const std::string& text, const std::string& fontName, float fontSize);
 protected:
     std::string _text;
     std::string _fontName;
@@ -71,8 +71,8 @@ class RichElementImage : public RichElement
 public:
     RichElementImage(){_type = Type::IMAGE;};
     virtual ~RichElementImage(){};
-    bool init(int tag, const Color3B& color, GLubyte opacity, const char* filePath);
-    static RichElementImage* create(int tag, const Color3B& color, GLubyte opacity, const char* filePath);
+    bool init(int tag, const Color3B& color, GLubyte opacity, const std::string& filePath);
+    static RichElementImage* create(int tag, const Color3B& color, GLubyte opacity, const std::string& filePath);
 protected:
     std::string _filePath;
     Rect _textureRect;
@@ -116,8 +116,8 @@ CC_CONSTRUCTOR_ACCESS:
 protected:
     virtual void initRenderer();
     void pushToContainer(Node* renderer);
-    void handleTextRenderer(const char* text, const char* fontName, float fontSize, const Color3B& color, GLubyte opacity);
-    void handleImageRenderer(const char* fileParh, const Color3B& color, GLubyte opacity);
+    void handleTextRenderer(const std::string& text, const std::string& fontName, float fontSize, const Color3B& color, GLubyte opacity);
+    void handleImageRenderer(const std::string& fileParh, const Color3B& color, GLubyte opacity);
     void handleCustomRenderer(Node* renderer);
     void formarRenderers();
     void addNewLine();
diff --git a/cocos/ui/UIScrollView.cpp b/cocos/ui/UIScrollView.cpp
index e8d34cbe5a..5d31d49e35 100644
--- a/cocos/ui/UIScrollView.cpp
+++ b/cocos/ui/UIScrollView.cpp
@@ -307,7 +307,7 @@ Node* ScrollView::getChildByTag(int tag)
     return _innerContainer->getChildByTag(tag);
 }
     
-Widget* ScrollView::getChildByName(const char *name)
+Widget* ScrollView::getChildByName(const std::string& name)
 {
     return _innerContainer->getChildByName(name);
 }
diff --git a/cocos/ui/UIScrollView.h b/cocos/ui/UIScrollView.h
index e4c54efd9b..bd59e99228 100644
--- a/cocos/ui/UIScrollView.h
+++ b/cocos/ui/UIScrollView.h
@@ -298,7 +298,7 @@ public:
     
     virtual Node * getChildByTag(int tag) override;
     
-    virtual Widget* getChildByName(const char* name) override;
+    virtual Widget* getChildByName(const std::string& name) override;
     
     virtual bool onTouchBegan(Touch *touch, Event *unusedEvent) override;
     virtual void onTouchMoved(Touch *touch, Event *unusedEvent) override;
diff --git a/cocos/ui/UITextField.cpp b/cocos/ui/UITextField.cpp
index d91673348f..fcffdd379c 100644
--- a/cocos/ui/UITextField.cpp
+++ b/cocos/ui/UITextField.cpp
@@ -61,14 +61,14 @@ UICCTextField::~UICCTextField()
 {
 }
 
-UICCTextField * UICCTextField::create(const char *placeholder, const char *fontName, float fontSize)
+UICCTextField * UICCTextField::create(const std::string& placeholder, const std::string& fontName, float fontSize)
 {
     UICCTextField *pRet = new UICCTextField();
     
     if(pRet && pRet->initWithPlaceHolder("", fontName, fontSize))
     {
         pRet->autorelease();
-        if (placeholder)
+        if (!placeholder.empty())
         {
             pRet->setPlaceHolder(placeholder);
         }
@@ -121,7 +121,7 @@ bool UICCTextField::onTextFieldDetachWithIME(TextFieldTTF *pSender)
     return false;
 }
 
-void UICCTextField::insertText(const char * text, size_t len)
+void UICCTextField::insertText(const char*  text, size_t len)
 {
     std::string input_text = text;
     
@@ -276,9 +276,9 @@ bool UICCTextField::isPasswordEnabled()
     return _passwordEnabled;
 }
 
-void UICCTextField::setPasswordStyleText(const char* styleText)
+void UICCTextField::setPasswordStyleText(const std::string& styleText)
 {
-    if (strlen(styleText) > 1)
+    if (styleText.length() > 1)
     {
         return;
     }
@@ -290,10 +290,10 @@ void UICCTextField::setPasswordStyleText(const char* styleText)
     _passwordStyleText = styleText;
 }
 
-void UICCTextField::setPasswordText(const char *text)
+void UICCTextField::setPasswordText(const std::string& text)
 {
     std::string tempStr = "";
-    int text_count = _calcCharCount(text);
+    int text_count = _calcCharCount(text.c_str());
     int max = text_count;
     
     if (_maxLengthEnabled)
diff --git a/cocos/ui/UITextField.h b/cocos/ui/UITextField.h
index 4fe9239ce9..58309551d4 100644
--- a/cocos/ui/UITextField.h
+++ b/cocos/ui/UITextField.h
@@ -44,7 +44,7 @@ public:
     virtual void onEnter() override;
     
     // static
-    static UICCTextField* create(const char *placeholder, const char *fontName, float fontSize);
+    static UICCTextField* create(const std::string& placeholder, const std::string& fontName, float fontSize);
     
     // CCTextFieldDelegate
     virtual bool onTextFieldAttachWithIME(TextFieldTTF *pSender) override;
@@ -65,8 +65,8 @@ public:
     int getCharCount();
     void setPasswordEnabled(bool enable);
     bool isPasswordEnabled();
-    void setPasswordStyleText(const char* styleText);
-    void setPasswordText(const char* text);
+    void setPasswordStyleText(const std::string& styleText);
+    void setPasswordText(const std::string& text);
     void setAttachWithIME(bool attach);
     bool getAttachWithIME();
     void setDetachWithIME(bool detach);
diff --git a/cocos/ui/UIWidget.cpp b/cocos/ui/UIWidget.cpp
index bd3d4c7e27..14d7f63597 100644
--- a/cocos/ui/UIWidget.cpp
+++ b/cocos/ui/UIWidget.cpp
@@ -162,7 +162,7 @@ void Widget::setEnabled(bool enabled)
     }
 }
 
-Widget* Widget::getChildByName(const char *name)
+Widget* Widget::getChildByName(const std::string& name)
 {
     for (auto& child : _children)
     {
@@ -171,7 +171,7 @@ Widget* Widget::getChildByName(const char *name)
             Widget* widgetChild = dynamic_cast<Widget*>(child);
             if (widgetChild)
             {
-                if (strcmp(widgetChild->getName(), name) == 0)
+                if (widgetChild->getName() == name)
                 {
                     return widgetChild;
                 }
@@ -824,14 +824,14 @@ const Vector2& Widget::getTouchEndPos()
     return _touchEndPos;
 }
 
-void Widget::setName(const char* name)
+void Widget::setName(const std::string& name)
 {
     _name = name;
 }
 
-const char* Widget::getName() const
+const std::string& Widget::getName() const
 {
-    return _name.c_str();
+    return _name;
 }
 
 Widget::Type Widget::getWidgetType() const
diff --git a/cocos/ui/UIWidget.h b/cocos/ui/UIWidget.h
index 1ae9142b9a..84566cf351 100644
--- a/cocos/ui/UIWidget.h
+++ b/cocos/ui/UIWidget.h
@@ -227,7 +227,7 @@ public:
      *
      * @return a Widget object whose name equals to the input parameter
      */
-    virtual Widget* getChildByName(const char* name);
+    virtual Widget* getChildByName(const std::string& name);
 
     virtual void visit(cocos2d::Renderer *renderer, const Matrix &parentTransform, bool parentTransformUpdated) override;
 
@@ -384,18 +384,18 @@ public:
     /**
      * Changes the name that is used to identify the widget easily.
      *
-     * @param A const char* that indentifies the widget.
+     * @param A const std::string that indentifies the widget.
      */
-    void setName(const char* name);
+    void setName(const std::string& name);
 
     /**
      * Returns a name that is used to identify the widget easily.
      *
      * You can set tags to widget then identify them easily.
      *
-     * @return A const char* that identifies the widget.
+     * @return A const std::string that identifies the widget.
      */
-    const char* getName() const;
+    const std::string& getName() const;
 
     /**
      * Returns a type that is widget's type