diff --git a/BitmapFont.cpp b/BitmapFont.cpp
index ce35c87..10e90fd 100644
--- a/BitmapFont.cpp
+++ b/BitmapFont.cpp
@@ -4,31 +4,32 @@ using namespace hgl;
 
 namespace
 {
-    uint8 *bitmap_font_data=nullptr;
+    uint8 *bitmap_font_8x16_data=nullptr;
+    uint8 *bitmap_font_8x8_data=nullptr;
 }//namespace
 
+void ClearBitmapFont()
+{
+    SAFE_CLEAR_ARRAY(bitmap_font_8x16_data);
+    SAFE_CLEAR_ARRAY(bitmap_font_8x8_data);
+}
+
 bool LoadBitmapFont()
 {
-    if(bitmap_font_data)
-        return(true);
+    ClearBitmapFont();
 
-    bitmap_font_data=new uint8[256*16];
-
-    if(!filesystem::LoadFileToMemory(OS_TEXT("VGA8.F16"), (void **)&bitmap_font_data))
-        return(false);
+    filesystem::LoadFileToMemory(OS_TEXT("VGA8.F16"), (void **)&bitmap_font_8x16_data);
+    filesystem::LoadFileToMemory(OS_TEXT("VGA8.F8"), (void **)&bitmap_font_8x8_data);
 
     return(true);
 }
 
-void ClearBitmapFont()
+const uint8 *Get8x16Char(const char ch)
 {
-    SAFE_CLEAR_ARRAY(bitmap_font_data);
+    return bitmap_font_8x16_data+uchar(ch)*16;
 }
 
-const uint GetCharWidth(){return bitmap_font_data?8:0;}
-const uint GetCharHeight(){return bitmap_font_data?16:0;}
-
-const uint8 *GetBitmapChar(const char ch)
+const uint8 *Get8x8Char(const char ch)
 {
-    return bitmap_font_data+uchar(ch)*16;
+    return bitmap_font_8x8_data+uchar(ch)*8;
 }
\ No newline at end of file
diff --git a/BitmapFont.h b/BitmapFont.h
index 1b4fa2e..b62ab16 100644
--- a/BitmapFont.h
+++ b/BitmapFont.h
@@ -6,7 +6,4 @@ using namespace hgl;
 bool LoadBitmapFont();
 void ClearBitmapFont();
 
-const uint GetCharWidth();
-const uint GetCharHeight();
-
-const uint8 *GetBitmapChar(const char ch);
\ No newline at end of file
+const uint8 *Get8x16Char(const char ch);
\ No newline at end of file
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 77850e6..7b7bf02 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -67,6 +67,9 @@ set_example_project_folder("DataType/DataArray" QueueTest)
 add_executable(PoolTest datatype/PoolTest.cpp)
 set_example_project_folder("DataType/DataArray" PoolTest)
 
+add_executable(ActiveIDManagerTest datatype/ActiveIDManagerTest.cpp)
+set_example_project_folder("DataType/DataArray" ActiveIDManagerTest)
+
 add_executable(MapTest datatype/MapTest.cpp)
 set_example_project_folder("DataType/DataArray" MapTest)
 
diff --git a/DistributionChart2D.cpp b/DistributionChart2D.cpp
index 29b51c2..72fc083 100644
--- a/DistributionChart2D.cpp
+++ b/DistributionChart2D.cpp
@@ -149,8 +149,8 @@ bool InitBitmapFont()
     if(!LoadBitmapFont())
         return(false);
 
-    CHAR_BITMAP_WIDTH=GetCharWidth();
-    CHAR_BITMAP_HEIGHT=GetCharHeight();
+    CHAR_BITMAP_WIDTH=8;
+    CHAR_BITMAP_HEIGHT=16;
 
     return(true);
 }
@@ -385,7 +385,7 @@ private:
 
     void DrawChar(const char ch,const uint x,const uint y)
     {
-        const uint8 *sp=GetBitmapChar(ch);
+        const uint8 *sp=Get8x16Char(ch);
 
         if(!sp)return;
 
diff --git a/VGA8.F8 b/VGA8.F8
new file mode 100644
index 0000000..2e7e5a6
Binary files /dev/null and b/VGA8.F8 differ
diff --git a/android/AndroidDeviceAnalysis b/android/AndroidDeviceAnalysis
index 111c008..82c41f1 160000
--- a/android/AndroidDeviceAnalysis
+++ b/android/AndroidDeviceAnalysis
@@ -1 +1 @@
-Subproject commit 111c0087eda734f86ff556961cd9bbd5f86330ee
+Subproject commit 82c41f1287e60a32e004e5cc914e4f9d9595b182
diff --git a/datatype/PoolTest.cpp b/datatype/PoolTest.cpp
index 3674409..8404b27 100644
--- a/datatype/PoolTest.cpp
+++ b/datatype/PoolTest.cpp
@@ -27,7 +27,7 @@ void StructPoolTest()
     //添加所有的人物数据到池中
     {
         for(auto ui:user_info_array)
-            pool.Append(ui);
+            pool.AppendToActive(ui);
     }
 
     ShowUserInfoArray(pool.GetActiveArray());
@@ -83,7 +83,7 @@ void ObjectPoolTest()
 
             uic->Set(ui);
    
-            pool.Append(uic);
+            pool.AppendToActive(uic);
 
             if(rand()%3==1)                 //有1/3的概率，将这个数据放入释放列表
                 release_list.Add(uic);