diff --git a/inc/hgl/graph/VKArrayBuffer.h b/inc/hgl/graph/VKArrayBuffer.h
index 62920adc..74277d7c 100644
--- a/inc/hgl/graph/VKArrayBuffer.h
+++ b/inc/hgl/graph/VKArrayBuffer.h
@@ -2,7 +2,7 @@
 #define HGL_GRAPH_VULKAN_ARRAY_BUFFER_INCLUDE
 
 #include<hgl/graph/VK.h>
-#include<hgl/graph/VKUBODynamic.h>
+#include<hgl/graph/VKDynamicBufferAccess.h>
 namespace hgl
 {
     class Collection;
@@ -50,26 +50,26 @@ namespace hgl
             void            Clear();
 
             template<typename T>
-            bool            Start(UBODynamicAccess<T> *ubo_access,const uint32 start,const uint32 count)
+            bool            Start(DynamicBufferAccess<T> *dba,const uint32 start,const uint32 count)
             {
-                if(!ubo_access)return(false);
+                if(!dba)return(false);
 
                 void *ptr=Map(start,count);
 
                 if(!ptr)return(false);
 
-                ubo_access->Start((uchar *)ptr,align_size,count);
+                dba->Start((uchar *)ptr,align_size,count);
                 return(true);
             }
 
             template<typename T>
-            void            End(UBODynamicAccess<T> *ubo_access)
+            void            End(DynamicBufferAccess<T> *dba)
             {
-                if(!ubo_access)return;
+                if(!dba)return;
 
-                Flush(ubo_access->GetCount());
+                Flush(dba->GetCount());
 
-                ubo_access->Restart();
+                dba->Restart();
             }
         };//class GPUArrayBuffer
     }//namespace graph
diff --git a/inc/hgl/graph/VKUBODynamic.h b/inc/hgl/graph/VKDynamicBufferAccess.h
similarity index 67%
rename from inc/hgl/graph/VKUBODynamic.h
rename to inc/hgl/graph/VKDynamicBufferAccess.h
index 74240e67..44a4e22c 100644
--- a/inc/hgl/graph/VKUBODynamic.h
+++ b/inc/hgl/graph/VKDynamicBufferAccess.h
@@ -1,22 +1,21 @@
-#ifndef HGL_GRAPH_UBO_DYNAMIC_INCLUDE
-#define HGL_GRAPH_UBO_DYNAMIC_INCLUDE
+#ifndef HGL_GRAPH_DYNAMIC_BUFFER_ACCESS_INCLUDE
+#define HGL_GRAPH_DYNAMIC_BUFFER_ACCESS_INCLUDE
 
 #include<hgl/graph/VKArrayBuffer.h>
 VK_NAMESPACE_BEGIN
-
-template<typename T> class UBODynamicAccess
+template<typename T> class DynamicBufferAccess
 {
     uchar *pointer;
     uchar *current;
 
-    uint unit_size;
+    uint align_size;
 
     uint count;
     uint index;
 
 private:
 
-    UBODynamicAccess()
+    DynamicBufferAccess()
     {
         Restart();
     }
@@ -25,15 +24,15 @@ private:
     {
         pointer=nullptr;
         current=nullptr;
-        unit_size=0;
+        align_size=0;
         count=0;
         index=0;         
     }    
 
-    void Start(uchar *buf,const uint us,const uint c)
+    void Start(uchar *buf,const uint as,const uint c)
     {
         current=pointer=buf;
-        unit_size=us;
+        align_size=as;
         count=c;
         index=0;
     }
@@ -44,7 +43,7 @@ public:
 
     const uint GetCount()const{return count;}
     const uint GetCurrentIndex()const{return index;}
-    const uint GetOffsetBytes()const{return index*unit_size;}
+    const uint GetOffsetBytes()const{return index*align_size;}
 
     bool Write(uchar *src)
     {
@@ -52,7 +51,7 @@ public:
         if(index>=count)return(false);
 
         memcpy(current,src,sizeof(T));
-        current+=unit_size;
+        current+=align_size;
         ++index;
 
         return(true);
@@ -67,7 +66,7 @@ public:
         for(uint i=0;i<c;i++)
         {
             memcpy(current,src,sizeof(T));
-            current+=unit_size;
+            current+=align_size;
             src+=sizeof(T);
         }
 
@@ -75,6 +74,6 @@ public:
 
         return(true);
     }
-};//template<typename T> class UBODynamicAccess
+};//template<typename T> class DynamicBufferAccess
 VK_NAMESPACE_END
-#endif//HGL_GRAPH_UBO_DYNAMIC_INCLUDE
+#endif//HGL_GRAPH_DYNAMIC_BUFFER_ACCESS_INCLUDE
diff --git a/src/SceneGraph/CMakeLists.txt b/src/SceneGraph/CMakeLists.txt
index 4616713f..d67a2b66 100644
--- a/src/SceneGraph/CMakeLists.txt
+++ b/src/SceneGraph/CMakeLists.txt
@@ -185,7 +185,7 @@ SET(VK_MATERIAL_SOURCE  ${SG_INCLUDE_PATH}/VKMaterial.h
                         ${SG_INCLUDE_PATH}/VKMaterialParameters.h
                         ${SG_INCLUDE_PATH}/VKMaterialInstance.h
                         ${SG_INCLUDE_PATH}/VKDescriptorBindingManage.h
-                        ${SG_INCLUDE_PATH}/VKUBODynamic.h
+                        ${SG_INCLUDE_PATH}/VKDynamicBufferAccess.h
                         Vulkan/VKDescriptorBindingManage.cpp
                         Vulkan/VKMaterial.cpp
                         Vulkan/VKMaterialParameters.cpp
diff --git a/src/SceneGraph/RenderList.cpp b/src/SceneGraph/RenderList.cpp
index 45d69787..cc5ffc7e 100644
--- a/src/SceneGraph/RenderList.cpp
+++ b/src/SceneGraph/RenderList.cpp
@@ -124,7 +124,7 @@ namespace hgl
                 }
 
                 {
-                    ubo_align=mvp_array->GetUnitSize();
+                    ubo_align=mvp_array->GetAlignSize();
                     
                     char *mp=(char *)(mvp_array->Map(0,count));
                     Renderable **ri=ri_list.GetData();
diff --git a/src/SceneGraph/RenderList2D.cpp b/src/SceneGraph/RenderList2D.cpp
index 2364571c..26cd9a6d 100644
--- a/src/SceneGraph/RenderList2D.cpp
+++ b/src/SceneGraph/RenderList2D.cpp
@@ -125,7 +125,7 @@ namespace hgl
                 }
 
                 {
-//                    ubo_align=mvp_array->GetUnitSize();
+//                    ubo_align=mvp_array->GetAlignSize();
                     
 //                    char *mp=(char *)(mvp_array->Map(0,count));
                     Renderable **ri=ri_list.GetData();