diff --git a/CMCore b/CMCore
index b003585d..dcaf7f89 160000
--- a/CMCore
+++ b/CMCore
@@ -1 +1 @@
-Subproject commit b003585d43a6050d76d4ea804725c57fa359bc8a
+Subproject commit dcaf7f89602ecc24a377bc16f22f074718fb5162
diff --git a/inc/hgl/graph/TileData.h b/inc/hgl/graph/TileData.h
index 8cd492f8..08a6e6f9 100644
--- a/inc/hgl/graph/TileData.h
+++ b/inc/hgl/graph/TileData.h
@@ -3,6 +3,7 @@
 
 #include<hgl/graph/vulkan/VKTexture.h>
 #include<hgl/type/Pool.h>
+#include<hgl/type/RectScope.h>
 
 VK_NAMESPACE_USING
 
@@ -10,6 +11,14 @@ namespace hgl
 {
     namespace graph
     {
+        struct TileObject
+        {
+            int col,row;            //当前tile在整个纹理中的tile位置
+
+            RectScope2d uv_pixel;   //以象素为单位的tile位置和尺寸
+            RectScope2d uv_float;   //以浮点为单位的tile位置和尺寸
+        };//struct TileObject
+
         /**
          * TileData是一种处理大量等同尺寸及格式贴图的管理机制，程序会自动根据显卡最大贴图处理能力来创建尽可能符合需求的贴图。(注：Tile的大小不必符合2次幂)
          * Tile的增加或删除，程序会自动排序，尽可能小的减少I/O消耗。
@@ -18,25 +27,13 @@ namespace hgl
         {
             Device *device;
 
-        public:
-
-            struct Object
-            {
-                int col,row;
-
-                double left,top;
-                double fl,ft,fw,fh;
-
-                int width,height;
-            };//struct Object
-
         protected:
 
             vulkan::Buffer *tile_buffer;                                                                                ///<Tile暂存缓冲区
 
             Texture2D *tile_texture;                                                                                    ///<TileData所用的纹理对象
 
-            ObjectPool<TileData::Object> to_pool;                                                                       ///<Tile对象池
+            ObjectPool<TileObject> to_pool;                                                                             ///<Tile对象池
 
             uint tile_width,tile_height;                                                                                ///<Tile的宽和高
             uint32_t tile_bytes;                                                                                        ///<一个tile字节数
@@ -45,8 +42,8 @@ namespace hgl
 
         protected:
         
-			TileData::Object *FindSpace();																		        ///<寻找一个空位
-			bool WriteTile(TileData::Object *,const void *,const uint,const int,const int);	                            ///<写入一个Tile数据
+			TileObject *FindSpace();																		            ///<寻找一个空位
+			bool WriteTile(TileObject *,const void *,const uint,const int,const int);	                                ///<写入一个Tile数据
             
 		public:
 
@@ -63,11 +60,11 @@ namespace hgl
 			TileData(Device *,Texture2D *,const uint tw,const uint th);
 			virtual ~TileData();
 
-			TileData::Object *Add(const void *,const uint,const int=-1,const int=-1);                    ///<增加一个Tile
-//			TileData::Object *Add(Bitmap2D *,int=-1,int=-1);										                    ///<增加一个Tile
+			TileObject *Add(const void *,const uint,const int=-1,const int=-1);                                         ///<增加一个Tile
+//			TileObject *Add(Bitmap2D *,int=-1,int=-1);										                            ///<增加一个Tile
 
-			bool Delete(TileData::Object *);														                    ///<删除一个Tile
-			bool Change(TileData::Object *,const void *,const uint,const int=-1,const int=-1);	        ///<更改一个Tile的数据内容
+			bool Delete(TileObject *);														                            ///<删除一个Tile
+			bool Change(TileObject *,const void *,const uint,const int=-1,const int=-1);	                            ///<更改一个Tile的数据内容
 			void Clear();                                                                                               ///<清除Tile数据
         };//class TileData
     }//namespace graph
diff --git a/src/SceneGraph/TileData.cpp b/src/SceneGraph/TileData.cpp
index ce7889a6..62cd8fe5 100644
--- a/src/SceneGraph/TileData.cpp
+++ b/src/SceneGraph/TileData.cpp
@@ -25,18 +25,21 @@ namespace hgl
             to_pool.PreMalloc(tile_max_count);
             {
                 int col=0,row=0;
-                TileData::Object **to=to_pool.GetInactiveData();
+                TileObject **to=to_pool.GetInactiveData();
 
                 for(uint i=0;i<tile_max_count;i++)
                 {
                     (*to)->col  =col;
                     (*to)->row  =row;
-                    (*to)->left =col*tile_width;
-                    (*to)->top  =row*tile_height;
+
+                    (*to)->uv_pixel.Set(col*tile_width,
+                                        row*tile_height,
+                                        0,
+                                        0);
 
                     ++to;
-
                     ++col;
+
                     if(col==tile_cols)
                     {
                         ++row;
@@ -56,9 +59,9 @@ namespace hgl
             SAFE_CLEAR(tile_texture);
         }
 
-        TileData::Object *TileData::FindSpace()
+        TileObject *TileData::FindSpace()
         {
-            TileData::Object *obj;
+            TileObject *obj;
 
             if(!to_pool.Get(obj))
                 return(nullptr);
@@ -66,40 +69,28 @@ namespace hgl
             return obj;
         }
         
-        bool TileData::WriteTile(TileData::Object *obj,const void *data,const uint bytes,int ctw,int cth)
+        bool TileData::WriteTile(TileObject *obj,const void *data,const uint bytes,int ctw,int cth)
         {
             if(!obj||!data||!bytes||ctw<=0||cth<=0)
                 return(false);
 
-            obj->width    =(ctw==-1)?tile_width:ctw;
-            obj->height   =(cth==-1)?tile_height:cth;
+            obj->uv_pixel.SetSize(  (ctw==-1)?tile_width:ctw,
+                                    (cth==-1)?tile_height:cth);
 
-            obj->fl=obj->left/double(tile_texture->GetWidth());
-            obj->ft=obj->top /double(tile_texture->GetHeight());
-            obj->fw=double(obj->width)/double(tile_texture->GetWidth());
-            obj->fh=double(obj->height)/double(tile_texture->GetHeight());
+            UVFloatFromPixel(   obj->uv_float,
+                                obj->uv_pixel,
+                                tile_texture->GetWidth(),
+                                tile_texture->GetHeight());
 
             tile_buffer->Write(data,0,bytes);
 
             device->ChangeTexture2D(tile_texture,
                                     tile_buffer,
-                                    obj->left,
-                                    obj->top,
+                                    obj->uv_pixel.GetLeft(),
+                                    obj->uv_pixel.GetTop(),
                                     tile_width,
                                     tile_height);
 
-            //请保留这段代码，以便未来使用时该数据时不会使用
-            //{
-            //    vertex->Begin(index*6);
-            //    texcoord->Begin(index*6);
-
-            //        texcoord->WriteRect(obj->fl,obj->ft,obj->fw,obj->fh);
-            //        vertex->WriteRect(0,0,obj->width,obj->height);
-
-            //    texcoord->End();
-            //    vertex->End();
-            //}
-
             return(true);
         }
 
@@ -111,12 +102,12 @@ namespace hgl
         * @param cth 当前tile高度,-1表示等同全局设置
         * @return 为增加的Tile创建的对象
         */
-        TileData::Object *TileData::Add(const void *data,const uint bytes,const int ctw,const int cth)
+        TileObject *TileData::Add(const void *data,const uint bytes,const int ctw,const int cth)
         {
             if(!data||!bytes||ctw<=0||cth<=0)
                 return(nullptr);
 
-            TileData::Object *obj=FindSpace();
+            TileObject *obj=FindSpace();
 
             if(!obj)
                 return(nullptr);
@@ -132,7 +123,7 @@ namespace hgl
         * @param obj 要删除的Tile的对象指针
         * @return 删除是否成功
         */
-        bool TileData::Delete(TileData::Object *obj)
+        bool TileData::Delete(TileObject *obj)
         {
             if(!obj)return(false);
 
@@ -148,7 +139,7 @@ namespace hgl
         * @param cth 当前tile高度,-1表示等同全局设置
         * @return 更改是否成功
         */
-        bool TileData::Change(TileData::Object *obj,const void *data,const uint bytes,const int ctw,const int cth)
+        bool TileData::Change(TileObject *obj,const void *data,const uint bytes,const int ctw,const int cth)
         {
             if(!obj||!data||!bytes||ctw<=0||cth<=0)
                 return(false);
@@ -164,7 +155,7 @@ namespace hgl
         */
         void TileData::Clear()
         {
-            to_pool.ClearAll();
+            to_pool.ClearActive();
         }
     }//namespace graph
 }//namespace hgl