diff --git a/ShaderLibrary/Std3D/BlinnPhongPureColor.mtl b/ShaderLibrary/Std3D/BlinnPhongPureColor.mtl
index 358d6ab9..fa8f2412 100644
--- a/ShaderLibrary/Std3D/BlinnPhongPureColor.mtl
+++ b/ShaderLibrary/Std3D/BlinnPhongPureColor.mtl
@@ -23,9 +23,10 @@ Output
 
 Code
 {
-
-
-    gl_Position=GetPosition3D();
+    void main()
+    {
+        gl_Position=GetPosition3D();
+    }
 }
 
 #Fragment
diff --git a/example/Gizmo/PlaneGrid3D.cpp b/example/Gizmo/PlaneGrid3D.cpp
index 8f5ffd05..03c029b6 100644
--- a/example/Gizmo/PlaneGrid3D.cpp
+++ b/example/Gizmo/PlaneGrid3D.cpp
@@ -92,7 +92,7 @@ private:
         camera_control->SetTarget(Vector3f(0,0,0));
         camera_control->Refresh();
 
-        cmc->SetReserveDirection(true,true);        //反转x,y
+        camera_control->SetReserveDirection(true,true);        //反转x,y
 
         render_root.RefreshMatrix();
         render_list->Expend(&render_root);
diff --git a/inc/hgl/graph/VKMaterial.h b/inc/hgl/graph/VKMaterial.h
index 78401aa5..a23f9f9f 100644
--- a/inc/hgl/graph/VKMaterial.h
+++ b/inc/hgl/graph/VKMaterial.h
@@ -81,6 +81,8 @@ public:
     bool BindSSBO(const DescriptorSetType &type,const AnsiString &name,DeviceBuffer *ubo,bool dynamic=false);
     bool BindImageSampler(const DescriptorSetType &type,const AnsiString &name,Texture *tex,Sampler *sampler);
 
+    void Update();
+
 public:
 
     const bool      HasMI           ()const{return mi_data_bytes>0;}
diff --git a/src/SceneGraph/Vulkan/VKCommandBufferRender.cpp b/src/SceneGraph/Vulkan/VKCommandBufferRender.cpp
index 7b6c0aa1..5cc9eed6 100644
--- a/src/SceneGraph/Vulkan/VKCommandBufferRender.cpp
+++ b/src/SceneGraph/Vulkan/VKCommandBufferRender.cpp
@@ -117,6 +117,8 @@ bool RenderCmdBuffer::BindDescriptorSets(Material *mtl)
 
             if(mp)
             {
+                mp->Update();
+
                 ds[count]=mp->GetVkDescriptorSet();
                 ++count;
             }
diff --git a/src/SceneGraph/Vulkan/VKMaterial.cpp b/src/SceneGraph/Vulkan/VKMaterial.cpp
index 2a4e87cb..794f1fa6 100644
--- a/src/SceneGraph/Vulkan/VKMaterial.cpp
+++ b/src/SceneGraph/Vulkan/VKMaterial.cpp
@@ -33,8 +33,8 @@ Material::~Material()
     SAFE_CLEAR(desc_manager);
     SAFE_CLEAR(pipeline_layout_data);
 
-    for(int i=0;i<DESCRIPTOR_SET_TYPE_COUNT;i++)
-        SAFE_CLEAR(mp_array[i]);
+    for(auto &mp:mp_array)
+        SAFE_CLEAR(mp);
 }
 
 const VkPipelineLayout Material::GetPipelineLayout()const
@@ -74,10 +74,7 @@ bool Material::BindUBO(const DescriptorSetType &type,const AnsiString &name,Devi
     if(!mp)
         return(false);
 
-    if(!mp->BindUBO(name,ubo,dynamic))return(false);
-
-    mp->Update();
-    return(true);
+    return mp->BindUBO(name,ubo,dynamic);
 }
 
 bool Material::BindSSBO(const DescriptorSetType &type,const AnsiString &name,DeviceBuffer *ubo,bool dynamic)
@@ -87,10 +84,7 @@ bool Material::BindSSBO(const DescriptorSetType &type,const AnsiString &name,Dev
     if(!mp)
         return(false);
 
-    if(!mp->BindSSBO(name,ubo,dynamic))return(false);
-
-    mp->Update();
-    return(true);
+    return mp->BindSSBO(name,ubo,dynamic);
 }
 
 bool Material::BindImageSampler(const DescriptorSetType &type,const AnsiString &name,Texture *tex,Sampler *sampler)
@@ -100,9 +94,15 @@ bool Material::BindImageSampler(const DescriptorSetType &type,const AnsiString &
     if(!mp)
         return(false);
 
-    if(!mp->BindImageSampler(name,tex,sampler))return(false);
+    return mp->BindImageSampler(name,tex,sampler);
+}
 
-    mp->Update();
-    return(true);
+void Material::Update()
+{
+    for(auto &mp:mp_array)
+    {
+        if(mp)
+            mp->Update();
+    }
 }
 VK_NAMESPACE_END