diff --git a/CMSceneGraph b/CMSceneGraph
index 4949c2e3..4129ab24 160000
--- a/CMSceneGraph
+++ b/CMSceneGraph
@@ -1 +1 @@
-Subproject commit 4949c2e3e82c8a88a783579aff120617c4ecfdab
+Subproject commit 4129ab24175c44fdb3d00608b80548c2b874fdd8
diff --git a/example/Basic/rf_test.cpp b/example/Basic/rf_test.cpp
index 6e47375f..b7a18d20 100644
--- a/example/Basic/rf_test.cpp
+++ b/example/Basic/rf_test.cpp
@@ -87,20 +87,15 @@ private:
 public:
 
     TestApp(RenderFramework *rf):WorkObject(rf)
-    {}
-
-    bool Init()
     {
         if(!InitAutoMaterial())
-            return(false);
+            return;
 
         if(!InitPipeline())
-            return(false);
+            return;
 
         if(!InitVBO())
-            return(false);
-
-        return(true);
+            return;
     }
 
     void Tick(double)override
@@ -157,10 +152,5 @@ int main(int,char **)
 
     WorkManager wm(&rf);
 
-    TestApp *test=new TestApp(&rf);
-
-    if(!test->Init())
-        return(-2);
-
-    wm.Start(test);
+    wm.Start(new TestApp(&rf));
 }
diff --git a/inc/hgl/graph/RenderFramework.h b/inc/hgl/graph/RenderFramework.h
index 52e2e587..1eae71b6 100644
--- a/inc/hgl/graph/RenderFramework.h
+++ b/inc/hgl/graph/RenderFramework.h
@@ -27,12 +27,6 @@ class RenderFramework:public io::WindowEvent
 
     RenderResource *        render_resource     =nullptr;
 
-private:
-
-    double                  last_time           =0;
-    double                  cur_time            =0;
-    int64                   frame_count         =0;
-
 protected:
 
     GraphModuleManager *    module_manager      =nullptr;
@@ -79,16 +73,6 @@ public: // event
     virtual void OnActive(bool);
     virtual void OnClose();
 
-protected:
-
-    virtual void BeginFrame();
-    virtual void EndFrame();
-
-    virtual bool RunFrame(RenderModule *);
-
-public:
-
-    virtual bool Run(RenderModule *);
 };//class RenderFramework
 
 VK_NAMESPACE_END
diff --git a/src/SceneGraph/RenderFramework.cpp b/src/SceneGraph/RenderFramework.cpp
index 51edf9c7..e8f9a7fa 100644
--- a/src/SceneGraph/RenderFramework.cpp
+++ b/src/SceneGraph/RenderFramework.cpp
@@ -116,36 +116,6 @@ bool RenderFramework::Init(uint w,uint h)
     return(true);
 }
 
-bool RenderFramework::Run(RenderModule *rm)
-{
-    if(!rm)
-        return(false);
-
-    if(!win)
-        return(false);
-
-    if(!sc_module)
-        return(false);
-    
-    while(win->Update())
-    {
-        if(win->IsVisible())
-        {
-            ++frame_count;
-            last_time=cur_time;
-
-            cur_time=GetDoubleTime();
-
-            if(!RunFrame(rm))
-                return(false);
-        }
-
-        device->WaitIdle();
-    }
-
-    return(true);
-}
-
 void RenderFramework::OnResize(uint w,uint h)
 {
     io::WindowEvent::OnResize(w,h);
@@ -163,36 +133,4 @@ void RenderFramework::OnClose()
 {
 }
 
-void RenderFramework::BeginFrame()
-{
-}
-
-void RenderFramework::EndFrame()
-{
-}
-
-bool RenderFramework::RunFrame(RenderModule *rm)
-{
-    bool result=true;
-
-    BeginFrame();
-
-    sc_module->BeginFrame();
-    {
-        RenderCmdBuffer *rcb=sc_module->RecordCmdBuffer();
-
-        if(rcb)
-        {
-            result=rm->OnFrameRender(cur_time,rcb);
-
-            rcb->End();
-        }
-    }
-    sc_module->EndFrame();
-
-    EndFrame();
-
-    return result;
-}
-
 VK_NAMESPACE_END