diff --git a/src/SceneGraph/MaterialRenderList.cpp b/src/SceneGraph/MaterialRenderList.cpp
index 612e8a83..4d04c451 100644
--- a/src/SceneGraph/MaterialRenderList.cpp
+++ b/src/SceneGraph/MaterialRenderList.cpp
@@ -60,7 +60,7 @@ int Comparator<hgl::graph::RenderNode>::compare(const hgl::graph::RenderNode &ob
 
         if(off)
         {
-            off=prim_one->GetVertexOffset()-prim_two->GetVertexOffset();        //保存vertex offset小的在前面
+            off=prim_one->GetVertexOffset()-prim_two->GetVertexOffset();        //保证vertex offset小的在前面
 
             return off;
         }
diff --git a/src/SceneGraph/Vulkan/VKPrimitiveData.h b/src/SceneGraph/Vulkan/VKPrimitiveData.h
index b9f91c26..923dbbcf 100644
--- a/src/SceneGraph/Vulkan/VKPrimitiveData.h
+++ b/src/SceneGraph/Vulkan/VKPrimitiveData.h
@@ -46,7 +46,7 @@ public:
     virtual int32_t         GetVertexOffset ()const=0;                      ///<取得顶点偏移(注意是顶点不是字节)
     virtual uint32_t        GetFirstIndex   ()const=0;                      ///<取得第一个索引
 
-    virtual VertexDataManager * GetVDM()const=0;                           ///<取得顶点数据管理器
+    virtual VertexDataManager * GetVDM()const=0;                            ///<取得顶点数据管理器
 
 public: