diff --git a/CMSceneGraph b/CMSceneGraph
index 32472ad3..5a6f171f 160000
--- a/CMSceneGraph
+++ b/CMSceneGraph
@@ -1 +1 @@
-Subproject commit 32472ad33cf7a8f36a9aadb90ef84b406c585f1c
+Subproject commit 5a6f171f90dbd1001e5fc6c696fecc54c57cb1a2
diff --git a/example/Vulkan/texture_quad.cpp b/example/Vulkan/texture_quad.cpp
index 1f49aa38..05aa2105 100644
--- a/example/Vulkan/texture_quad.cpp
+++ b/example/Vulkan/texture_quad.cpp
@@ -43,6 +43,7 @@ private:
 
     Texture2D *         texture             =nullptr;
     Sampler *           sampler             =nullptr;
+    Material *          material            =nullptr;
     MaterialInstance *  material_instance   =nullptr;
     Renderable *        render_obj          =nullptr;
     Pipeline *          pipeline            =nullptr;
@@ -58,13 +59,13 @@ private:
 
         AutoDelete<mtl::MaterialCreateInfo> mci=mtl::CreatePureTexture2D(&cfg);
 
-        material_instance=db->CreateMaterialInstance(mci);
+        material=db->CreateMaterial(mci);
 
-        if(!material_instance)
+        if(!material)
             return(false);
 
 //        pipeline=db->CreatePipeline(material_instance,sc_render_target,OS_TEXT("res/pipeline/solid2d"));
-        pipeline=CreatePipeline(material_instance,InlinePipeline::Solid2D,Prim::Fan);     //等同上一行，为Framework重载，默认使用swapchain的render target
+        pipeline=CreatePipeline(material,InlinePipeline::Solid2D,Prim::Fan);     //等同上一行，为Framework重载，默认使用swapchain的render target
 
         if(!pipeline)
             return(false);
@@ -74,12 +75,14 @@ private:
 
         sampler=db->CreateSampler();
 
-        if(!material_instance->BindImageSampler(DescriptorSetType::PerMaterial,     ///<描述符合集
-                                                mtl::SamplerName::Color,            ///<采样器名称
-                                                texture,                            ///<纹理
-                                                sampler))                           ///<采样器
+        if(!material->BindImageSampler( DescriptorSetType::PerMaterial,     ///<描述符合集
+                                        mtl::SamplerName::Color,            ///<采样器名称
+                                        texture,                            ///<纹理
+                                        sampler))                           ///<采样器
             return(false);
 
+        material_instance=db->CreateMaterialInstance(material);
+
         return(true);
     }
 
diff --git a/inc/hgl/graph/mtl/2d/Material2DCreateConfig.h b/inc/hgl/graph/mtl/2d/Material2DCreateConfig.h
index 0a34a0eb..468585fa 100644
--- a/inc/hgl/graph/mtl/2d/Material2DCreateConfig.h
+++ b/inc/hgl/graph/mtl/2d/Material2DCreateConfig.h
@@ -11,6 +11,8 @@ struct Material2DCreateConfig:public MaterialCreateConfig
 
     bool                local_to_world;         ///<包含LocalToWorld矩阵
 
+    
+
 public:
 
     Material2DCreateConfig(const GPUDeviceAttribute *da,const AnsiString &name):MaterialCreateConfig(da,name)