diff --git a/inc/hgl/graph/vulkan/VK.h b/inc/hgl/graph/vulkan/VK.h
index 9c27723f..6f463ff3 100644
--- a/inc/hgl/graph/vulkan/VK.h
+++ b/inc/hgl/graph/vulkan/VK.h
@@ -75,9 +75,6 @@ enum class ShaderStageBit
 struct PushConstant
 {
     Matrix4f local_to_world;
-    Matrix3f normal;
-    Vector3f object_position;
-    Vector3f object_size;
 };
 
 constexpr uint32_t MAX_PUSH_CONSTANT_BYTES=sizeof(PushConstant);
diff --git a/inc/hgl/graph/vulkan/VKCommandBuffer.h b/inc/hgl/graph/vulkan/VKCommandBuffer.h
index 85f1679d..9e04ee99 100644
--- a/inc/hgl/graph/vulkan/VKCommandBuffer.h
+++ b/inc/hgl/graph/vulkan/VKCommandBuffer.h
@@ -120,7 +120,7 @@ public:
         vkCmdPushConstants(cmd_buf,pipeline_layout,(VkShaderStageFlagBits)shader_stage_bit,offset,size,pValues);
     }
 
-    void PushConstants(const PushConstant *pc){vkCmdPushConstants(cmd_buf,pipeline_layout,VK_SHADER_STAGE_VERTEX_BIT,0,sizeof(PushConstant),pc);}
+    void PushConstants(const void *data,const uint32_t size){vkCmdPushConstants(cmd_buf,pipeline_layout,VK_SHADER_STAGE_VERTEX_BIT,0,size,data);}
 
     bool Bind(Renderable *);
 
diff --git a/src/SceneGraph/RenderList.cpp b/src/SceneGraph/RenderList.cpp
index b6c3079c..de6d42c5 100644
--- a/src/SceneGraph/RenderList.cpp
+++ b/src/SceneGraph/RenderList.cpp
@@ -49,7 +49,7 @@ namespace hgl
             {
                 last_pc=node->GetPushConstant();
 
-                cmd_buf->PushConstants(last_pc);
+                cmd_buf->PushConstants(last_pc,sizeof(vulkan::PushConstant));
             }
 
             //更新fin_mvp
diff --git a/src/SceneGraph/SceneOrient.cpp b/src/SceneGraph/SceneOrient.cpp
index cfbe59ff..80ea9230 100644
--- a/src/SceneGraph/SceneOrient.cpp
+++ b/src/SceneGraph/SceneOrient.cpp
@@ -12,8 +12,6 @@ namespace hgl
             LocalToWorldMatrix          =Matrix4f::identity;
             InverseLocalMatrix          =Matrix4f::identity;
             InverseLocalToWorldMatrix   =Matrix4f::identity;
-
-            pc.normal                   =Matrix3f::identity;
         }
 
         Matrix4f &SceneOrient::SetLocalMatrix(const Matrix4f &m)
@@ -32,7 +30,6 @@ namespace hgl
             InverseLocalToWorldMatrix=inverse(LocalToWorldMatrix);
 
             pc.local_to_world   =LocalToWorldMatrix;
-            pc.normal           =pc.local_to_world.Float3x3Part();
 //            pc.object_position  =;
 //            pc.object_size      =;