diff --git a/CMSceneGraph b/CMSceneGraph
index 8b585e15..3fe2e7b8 160000
--- a/CMSceneGraph
+++ b/CMSceneGraph
@@ -1 +1 @@
-Subproject commit 8b585e15eb31c5f412f838a1ec78c529c1a5a2fd
+Subproject commit 3fe2e7b806b1d2fd222e4e12daf4ccad5797b19e
diff --git a/src/SceneGraph/MaterialRenderList.cpp b/src/SceneGraph/MaterialRenderList.cpp
index c22d881d..933cee34 100644
--- a/src/SceneGraph/MaterialRenderList.cpp
+++ b/src/SceneGraph/MaterialRenderList.cpp
@@ -3,6 +3,7 @@
 #include<hgl/graph/VKDevice.h>
 #include<hgl/graph/VKCommandBuffer.h>
 #include<hgl/graph/VKVertexInput.h>
+#include<hgl/graph/VKRenderAssign.h>
 #include<hgl/util/sort/Sort.h>
 #include"RenderAssignBuffer.h"
 
@@ -225,24 +226,6 @@ bool MaterialRenderList::Bind(const VertexInputData *vid,const uint ri_index)
     //    }
     //}
 
-    //if(count<binding_count)//LocalToWorld组，由RenderList合成
-    //{
-    //    const uint l2w_binding_count=vil->GetCount(VertexInputGroup::LocalToWorld);
-
-    //    if(l2w_binding_count>0)                                         //有变换矩阵信息
-    //    {
-    //        if(l2w_binding_count!=4)
-    //            return(false);
-
-    //        hgl_cpy(buffer_list+count,assign_buffer->l2w_buffer,4);
-
-    //        for(uint i=0;i<4;i++)
-    //            buffer_offset[count+i]=ri_index*16;                        //mat4每列都是rgba32f，自然是16字节
-
-    //        count+=l2w_binding_count;
-    //    }
-    //}
-
     if(!vbo_list->IsFull())
     {
         const uint assign_binding_count=vil->GetCount(VertexInputGroup::Assign);
@@ -252,7 +235,7 @@ bool MaterialRenderList::Bind(const VertexInputData *vid,const uint ri_index)
             if(assign_binding_count!=1)
                 return(false);
 
-            vbo_list->Add(assign_buffer->GetAssignVBO(),ASSIGNS_VBO_STRIP_BYTES*ri_index);
+            vbo_list->Add(assign_buffer->GetAssignVBO(),ASSIGN_VBO_STIDE_BYTES*ri_index);
         }
     }
 
@@ -264,7 +247,6 @@ bool MaterialRenderList::Bind(const VertexInputData *vid,const uint ri_index)
     //    return(false);
     //}
 
-    //cmd_buf->BindVBO(0,count,buffer_list,buffer_offset);
     cmd_buf->BindVBO(vbo_list);
 
     return(true);
diff --git a/src/SceneGraph/RenderAssignBuffer.cpp b/src/SceneGraph/RenderAssignBuffer.cpp
index fb628869..47585530 100644
--- a/src/SceneGraph/RenderAssignBuffer.cpp
+++ b/src/SceneGraph/RenderAssignBuffer.cpp
@@ -3,6 +3,7 @@
 #include<hgl/graph/VKDevice.h>
 #include<hgl/graph/VKMaterialInstance.h>
 #include<hgl/graph/RenderNode.h>
+#include<hgl/graph/VKRenderAssign.h>
 #include<hgl/graph/mtl/UBOCommon.h>
 
 VK_NAMESPACE_BEGIN
@@ -49,7 +50,7 @@ void RenderAssignBuffer::NodeAlloc(GPUDevice *dev,const uint c)
 
     ubo_l2w=dev->CreateUBO(node_count*sizeof(Matrix4f));
     //ubo_mi=dev->CreateUBO(node_count*sizeof(uint8));
-    vbo_assigns=dev->CreateVBO(VF_V1U16,node_count);
+    vbo_assigns=dev->CreateVBO(ASSIGN_VBO_FMT,node_count);
 }
 
 //void MIAlloc(GPUDevice *dev,const uint c,const uint mis)
diff --git a/src/SceneGraph/RenderAssignBuffer.h b/src/SceneGraph/RenderAssignBuffer.h
index 1eb16243..abad0ee3 100644
--- a/src/SceneGraph/RenderAssignBuffer.h
+++ b/src/SceneGraph/RenderAssignBuffer.h
@@ -21,7 +21,6 @@ VK_NAMESPACE_BEGIN
 // 我们天然要求将材质实例数据分为两个等级，同时要求一次渲染不能超过256种材质实例。
 // 所以 UBO Range为16k时，实例数据不能超过64字节。UBO Range为64k时，实例数据不能超过256字节。
 
-constexpr const uint ASSIGNS_VBO_STRIP_BYTES=2;     ///<Assign VBO的每个节点的字节数
 
 struct RenderNode;
 class MaterialInstance;
diff --git a/src/ShaderGen/ShaderCreateInfoVertex.cpp b/src/ShaderGen/ShaderCreateInfoVertex.cpp
index c36f0d8a..8874a35e 100644
--- a/src/ShaderGen/ShaderCreateInfoVertex.cpp
+++ b/src/ShaderGen/ShaderCreateInfoVertex.cpp
@@ -2,6 +2,7 @@
 #include<hgl/shadergen/ShaderDescriptorInfo.h>
 #include<hgl/graph/VertexAttrib.h>
 #include<hgl/graph/VKShaderStage.h>
+#include<hgl/graph/VKRenderAssign.h>
 #include"GLSLCompiler.h"
 #include"common/MFCommon.h"
 
@@ -39,9 +40,10 @@ void ShaderCreateInfoVertex::AddJoint()
 
 void ShaderCreateInfoVertex::AddAssign()
 {
-    char name[]="Assign";
-
-    AddInput(VAT_UINT,name,VK_VERTEX_INPUT_RATE_INSTANCE,VertexInputGroup::Assign);
+    AddInput(   ASSIGN_VAT_FMT,
+                ASSIGN_VIS_NAME,
+                VK_VERTEX_INPUT_RATE_INSTANCE,
+                VertexInputGroup::Assign);
 
     AddFunction(mtl::func::GetLocalToWorld);
 }