diff --git a/inc/hgl/graph/RenderFramework.h b/inc/hgl/graph/RenderFramework.h
index 55ed8a04..5b3ee291 100644
--- a/inc/hgl/graph/RenderFramework.h
+++ b/inc/hgl/graph/RenderFramework.h
@@ -63,6 +63,8 @@ protected:  //RenderContext,未来合并成一个RenderContext结构
     CameraControl *         default_camera_control  =nullptr;
     Renderer *              default_renderer        =nullptr;
 
+    void OnChangeDefaultScene(Scene *);
+
     void CreateDefaultRenderer();
 
 protected:  //EventDispatcher
diff --git a/src/SceneGraph/RenderFramework.cpp b/src/SceneGraph/RenderFramework.cpp
index 7379e540..dd59af11 100644
--- a/src/SceneGraph/RenderFramework.cpp
+++ b/src/SceneGraph/RenderFramework.cpp
@@ -134,7 +134,7 @@ bool RenderFramework::Init(uint w,uint h)
 
     render_resource=new RenderResource(device);
 
-    default_scene=new Scene;
+    OnChangeDefaultScene(new Scene);
 
     default_camera=new Camera();
 
@@ -143,6 +143,24 @@ bool RenderFramework::Init(uint w,uint h)
     return(true);
 }
 
+void RenderFramework::OnChangeDefaultScene(Scene *s)
+{
+    if(default_scene==s)
+        return;
+
+    if(default_scene)
+    {
+        this->RemoveChildDispatcher(&(default_scene->GetEventDispatcher()));
+    }
+
+    if(s)
+    {
+        this->AddChildDispatcher(&(s->GetEventDispatcher()));
+    }
+
+    default_scene=s;
+}
+
 void RenderFramework::CreateDefaultRenderer()
 {
     SAFE_CLEAR(default_renderer)
@@ -246,11 +264,11 @@ graph::Primitive *RenderFramework::CreatePrimitive( const AnsiString &name,
     return prim;
 }
 
-graph::Mesh *RenderFramework::CreateMesh( const AnsiString &name,
-                                    const uint32_t vertices_count,
-                                    graph::MaterialInstance *mi,
-                                    graph::Pipeline *pipeline,
-                                    const std::initializer_list<graph::VertexAttribDataPtr> &vad_list)
+graph::Mesh *RenderFramework::CreateMesh(   const AnsiString &name,
+                                            const uint32_t vertices_count,
+                                            graph::MaterialInstance *mi,
+                                            graph::Pipeline *pipeline,
+                                            const std::initializer_list<graph::VertexAttribDataPtr> &vad_list)
 {
     auto *prim=this->CreatePrimitive(name,vertices_count,mi->GetVIL(),vad_list);