diff --git a/example/LightBasic/BlinnPhongDirectionLight.cpp b/example/LightBasic/BlinnPhongDirectionLight.cpp
index b10e8ead..8138572c 100644
--- a/example/LightBasic/BlinnPhongDirectionLight.cpp
+++ b/example/LightBasic/BlinnPhongDirectionLight.cpp
@@ -11,7 +11,6 @@
 #include<hgl/graph/mtl/Material3DCreateConfig.h>
 #include<hgl/graph/mtl/BlinnPhong.h>
 #include<hgl/graph/VertexDataManager.h>
-#include<hgl/color/Color.h>
 
 using namespace hgl;
 using namespace hgl::graph;
@@ -108,7 +107,9 @@ private:
         {
             mi_data=GetColor4f(AxisColor[i],4);
 
-            mi_blinnphong[i]=db->CreateMaterialInstance(mtl_blinnphong,nullptr,&mi_data);
+            mi_blinnphong[i]=db->CreateMaterialInstance(mtl_blinnphong,     //材质
+                                                        nullptr,            //顶点输入配置,这里使用nullptr，即代表会使用默认配置，那么结果将等同于上面的mtl_blinnphong->GetDefaultVIL()
+                                                        &mi_data);          //材质实例参数
             if(!mi_blinnphong[i])return(false);
         }
 
@@ -117,7 +118,7 @@ private:
         if(!p_blinnphong)
             return(false);
 
-        return(true);        
+        return(true);
     }
 
     bool CreateRenderObject()
diff --git a/inc/hgl/graph/PrimitiveCreater.h b/inc/hgl/graph/PrimitiveCreater.h
index 60097a72..4df93d04 100644
--- a/inc/hgl/graph/PrimitiveCreater.h
+++ b/inc/hgl/graph/PrimitiveCreater.h
@@ -48,7 +48,7 @@ namespace hgl
             virtual bool                    Init(const uint32 vertices_count);                                          ///<初始化，参数为顶点数量
 
             template<typename T> 
-                    T *                     AccessVAD(const AnsiString &name)                                           ///<创建一个顶点属性缓冲区以及访问器
+                    T *                     AccessVAD(const AnsiString &name)                                           ///<创建一个顶点属性数据缓冲区以及访问器
                     {
                         const VkFormat format=vil->GetVulkanFormat(name);
 
diff --git a/inc/hgl/graph/VKRenderResource.h b/inc/hgl/graph/VKRenderResource.h
index 148c57c6..bf86aa87 100644
--- a/inc/hgl/graph/VKRenderResource.h
+++ b/inc/hgl/graph/VKRenderResource.h
@@ -78,6 +78,8 @@ private:
 
 public:
 
+    GPUDevice *GetDevice(){return device;}
+
     //注：并非一定要走这里，这里只是提供一个注册和自动绑定的机制
     DescriptorBinding static_descriptor;                                                    ///<静态属性描述符绑定管理
     DescriptorBinding global_descriptor;                                                    ///<全局属性描述符绑定管理