diff --git a/inc/hgl/graph/RenderList.h b/inc/hgl/graph/RenderList.h
index 572154a9..e2bc838d 100644
--- a/inc/hgl/graph/RenderList.h
+++ b/inc/hgl/graph/RenderList.h
@@ -13,7 +13,6 @@ namespace hgl
 {
     namespace graph
     {
-        using MVPArrayBuffer=GPUArrayBuffer<MVPMatrix>;
         using MaterialSets=SortedSets<Material *>;
 
         /**
@@ -22,13 +21,13 @@ namespace hgl
          */
         class RenderList
         {
+        protected:  
+
             GPUDevice *     device;
             RenderCmdBuffer *cmd_buf;
 
         private:
 
-            CameraInfo      camera_info;
-            
             RenderNodeList  render_node_list;       ///<场景节点列表
             MaterialSets    material_sets;          ///<材质合集
 
@@ -36,7 +35,6 @@ namespace hgl
 
         private:
 
-            MVPArrayBuffer *mvp_array;
             List<Renderable *> ri_list;
 
             VkDescriptorSet ds_list[DESCRIPTOR_SET_TYPE_COUNT];
@@ -68,6 +66,29 @@ namespace hgl
 
             virtual bool Render(RenderCmdBuffer *);
         };//class RenderList
+
+        class RenderList2D:public RenderList
+        {
+        };
+
+        class RenderList3D:public RenderList
+        {
+        protected:
+
+            CameraInfo      camera_info;            
+            GPUArrayBuffer *mvp_array;
+
+        protected:
+
+            virtual bool    Begin() override;
+            virtual bool    Expend(SceneNode *) override;
+            virtual void    End() override;
+
+        public:
+
+            RenderList3D();
+            virtual ~RenderList3D() override;
+        };
     }//namespace graph
 }//namespace hgl
 #endif//HGL_GRAPH_RENDER_LIST_INCLUDE
diff --git a/src/SceneGraph/RenderList.cpp b/src/SceneGraph/RenderList.cpp
index cdd5bef8..6d1953cb 100644
--- a/src/SceneGraph/RenderList.cpp
+++ b/src/SceneGraph/RenderList.cpp
@@ -80,11 +80,7 @@ namespace hgl
         {
             device          =dev;
             cmd_buf         =nullptr;
-            
-            hgl_zero(camera_info);
 
-            mvp_array       =new MVPArrayBuffer(device,VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT);
-            
             ubo_offset      =0;
             ubo_align       =0;
 
@@ -95,13 +91,11 @@ namespace hgl
 
         RenderList::~RenderList()
         {
-            delete mvp_array;
         }        
 
         bool RenderList::Begin()
         {
             render_node_list.ClearData();
-            mvp_array->Clear();
             ri_list.ClearData();
 
             material_sets.ClearData();
@@ -252,7 +246,7 @@ namespace hgl
                         cmd_buf->BindDescriptorSets(ri->GetPipelineLayout(),first_set,ds_list,ds_count,&ubo_offset,1);
                     }
                     else
-                    {                        
+                    {
                         cmd_buf->BindDescriptorSets(ri->GetPipelineLayout(),first_set,ds_list,ds_count,nullptr,0);
                     }
 
diff --git a/src/SceneGraph/RenderList3D.cpp b/src/SceneGraph/RenderList3D.cpp
new file mode 100644
index 00000000..3e6922aa
--- /dev/null
+++ b/src/SceneGraph/RenderList3D.cpp
@@ -0,0 +1,37 @@
+#include<hgl/graph/RenderList.h>
+
+namespace hgl
+{
+    namespace graph
+    {
+        RenderList3D::RenderList3D()
+        {   
+            hgl_zero(camera_info);
+
+            mvp_array       =new GPUArrayBuffer(device,VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,MVPMatrixBytes);
+        }
+
+        RenderList3D::~RenderList3D()
+        {
+            delete mvp_array;
+        }
+        
+        bool RenderList3D::Begin()
+        {
+            if(!RenderList::Begin())
+                return(false);
+
+            mvp_array->Clear();
+
+            return(true);
+        }
+
+        bool RenderList3D::Expend(SceneNode *)
+        {
+        }
+
+        void RenderList3D::End()
+        {
+        }
+    }//namespace graph
+}//namespace hgl