diff --git a/extensions/CocoStudio/GUI/Layouts/Layout.cpp b/extensions/CocoStudio/GUI/Layouts/Layout.cpp
index 42da6163d7..3492de9486 100644
--- a/extensions/CocoStudio/GUI/Layouts/Layout.cpp
+++ b/extensions/CocoStudio/GUI/Layouts/Layout.cpp
@@ -47,7 +47,7 @@ _gEndColor(Color3B::WHITE),
 _alongVector(Point(0.0f, -1.0f)),
 _cOpacity(255),
 _backGroundImageTextureSize(Size::ZERO),
-_layoutType(LAYOUT_DEFAULT)
+_layoutType(LAYOUT_ABSOLUTE)
 {
     _widgetType = WidgetTypeContainer;
 }
@@ -420,7 +420,7 @@ void Layout::doLayout()
 {
     switch (_layoutType)
     {
-        case LAYOUT_DEFAULT:
+        case LAYOUT_ABSOLUTE:
             break;
         case LAYOUT_LINEAR_VERTICAL:
         {
diff --git a/extensions/CocoStudio/GUI/Layouts/Layout.h b/extensions/CocoStudio/GUI/Layouts/Layout.h
index 36d62bc709..bf8719a06d 100644
--- a/extensions/CocoStudio/GUI/Layouts/Layout.h
+++ b/extensions/CocoStudio/GUI/Layouts/Layout.h
@@ -38,7 +38,7 @@ typedef enum
 
 typedef enum
 {
-    LAYOUT_DEFAULT,
+    LAYOUT_ABSOLUTE,
     LAYOUT_LINEAR_VERTICAL,
     LAYOUT_LINEAR_HORIZONTAL,
     LAYOUT_RELATIVE
@@ -175,7 +175,7 @@ public:
      *
      * @param LayoutType
      */
-    void setLayoutType(LayoutType type);
+    virtual void setLayoutType(LayoutType type);
     
     /**
      * Gets LayoutType.
@@ -184,7 +184,7 @@ public:
      *
      * @return LayoutType
      */
-    LayoutType getLayoutType() const;
+    virtual LayoutType getLayoutType() const;
     
     virtual void doLayout();
 
diff --git a/extensions/CocoStudio/GUI/UIWidgets/ScrollWidget/UIDragPanel.h b/extensions/CocoStudio/GUI/UIWidgets/ScrollWidget/UIDragPanel.h
index 53279655be..dc05b53d21 100644
--- a/extensions/CocoStudio/GUI/UIWidgets/ScrollWidget/UIDragPanel.h
+++ b/extensions/CocoStudio/GUI/UIWidgets/ScrollWidget/UIDragPanel.h
@@ -198,7 +198,7 @@ public:
      *
      * @param LayoutType
      */
-    void setLayoutType(LayoutType type);
+    virtual void setLayoutType(LayoutType type);
     
     /**
      * Gets LayoutType.
@@ -207,7 +207,7 @@ public:
      *
      * @return LayoutType
      */
-    LayoutType getLayoutType() const;
+    virtual LayoutType getLayoutType() const;
     
     virtual void doLayout();
     
diff --git a/extensions/CocoStudio/GUI/UIWidgets/ScrollWidget/UIScrollView.h b/extensions/CocoStudio/GUI/UIWidgets/ScrollWidget/UIScrollView.h
index a6ad52f45e..ecf56cadd7 100644
--- a/extensions/CocoStudio/GUI/UIWidgets/ScrollWidget/UIScrollView.h
+++ b/extensions/CocoStudio/GUI/UIWidgets/ScrollWidget/UIScrollView.h
@@ -172,7 +172,7 @@ public:
      *
      * @param LayoutType
      */
-    void setLayoutType(LayoutType type);
+    virtual void setLayoutType(LayoutType type);
     
     /**
      * Gets LayoutType.
@@ -181,7 +181,7 @@ public:
      *
      * @return LayoutType
      */
-    LayoutType getLayoutType() const;
+    virtual LayoutType getLayoutType() const;
     
     virtual void doLayout();