diff --git a/workspace/GuiLite.vcxproj b/workspace/GuiLite.vcxproj
index 26bbbba..be50834 100644
--- a/workspace/GuiLite.vcxproj
+++ b/workspace/GuiLite.vcxproj
@@ -389,9 +389,7 @@
   </ItemDefinitionGroup>
   <ItemGroup>
     <ClCompile Include="core\adapter\api_win.cpp" />
-    <ClCompile Include="core\adapter\audio_win.cpp" />
     <ClCompile Include="core\bitmap.cpp" />
-    <ClCompile Include="core\cmd_target.cpp" />
     <ClCompile Include="core\display.cpp" />
     <ClCompile Include="core\theme.cpp" />
     <ClCompile Include="core\wnd.cpp" />
diff --git a/workspace/GuiLite.vcxproj.filters b/workspace/GuiLite.vcxproj.filters
index a626e67..858241b 100644
--- a/workspace/GuiLite.vcxproj.filters
+++ b/workspace/GuiLite.vcxproj.filters
@@ -37,9 +37,6 @@
     <ClCompile Include="core\bitmap.cpp">
       <Filter>core</Filter>
     </ClCompile>
-    <ClCompile Include="core\cmd_target.cpp">
-      <Filter>core</Filter>
-    </ClCompile>
     <ClCompile Include="core\display.cpp">
       <Filter>core</Filter>
     </ClCompile>
@@ -55,9 +52,6 @@
     <ClCompile Include="core\adapter\api_win.cpp">
       <Filter>core\adapter</Filter>
     </ClCompile>
-    <ClCompile Include="core\adapter\audio_win.cpp">
-      <Filter>core\adapter</Filter>
-    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <Filter Include="core">
diff --git a/workspace/core_include/display.h b/workspace/core_include/display.h
index 7ef8d90..2a9db69 100644
--- a/workspace/core_include/display.h
+++ b/workspace/core_include/display.h
@@ -1,7 +1,6 @@
 #pragma once
 
 #include "../core_include/api.h"
-#include "../core_include/cmd_target.h"
 #include <string.h>
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/workspace/core_include/wnd.h b/workspace/core_include/wnd.h
index 0edca50..6ead171 100644
--- a/workspace/core_include/wnd.h
+++ b/workspace/core_include/wnd.h
@@ -1,7 +1,6 @@
 #pragma once
 
 #include "../core_include/api.h"
-#include "../core_include/cmd_target.h"
 #include "../core_include/resource.h"
 #include "../core_include/bitmap.h"
 #include "../core_include/display.h"
diff --git a/workspace/widgets_include/button.h b/workspace/widgets_include/button.h
index c4fe692..1e771ff 100644
--- a/workspace/widgets_include/button.h
+++ b/workspace/widgets_include/button.h
@@ -1,7 +1,6 @@
 #pragma once
 
 #include "../core_include/api.h"
-#include "../core_include/cmd_target.h"
 #include "../core_include/wnd.h"
 #include "../core_include/resource.h"
 #include "../core_include/bitmap.h"
diff --git a/workspace/widgets_include/dialog.h b/workspace/widgets_include/dialog.h
index fd8caeb..ddca936 100644
--- a/workspace/widgets_include/dialog.h
+++ b/workspace/widgets_include/dialog.h
@@ -1,7 +1,6 @@
 #pragma once
 
 #include "../core_include/api.h"
-#include "../core_include/cmd_target.h"
 #include "../core_include/wnd.h"
 #include "../core_include/display.h"
 #include "../core_include/resource.h"
diff --git a/workspace/widgets_include/edit.h b/workspace/widgets_include/edit.h
index a192ead..7e3dc43 100644
--- a/workspace/widgets_include/edit.h
+++ b/workspace/widgets_include/edit.h
@@ -1,7 +1,6 @@
 #pragma once
 
 #include "../core_include/api.h"
-#include "../core_include/cmd_target.h"
 #include "../core_include/wnd.h"
 #include "../core_include/resource.h"
 #include "../core_include/word.h"
diff --git a/workspace/widgets_include/keyboard.h b/workspace/widgets_include/keyboard.h
index d29b5e0..6dc323e 100644
--- a/workspace/widgets_include/keyboard.h
+++ b/workspace/widgets_include/keyboard.h
@@ -3,7 +3,6 @@
 #include "../core_include/api.h"
 #include "../core_include/resource.h"
 #include "../core_include/word.h"
-#include "../core_include/cmd_target.h"
 #include "../core_include/wnd.h"
 #include "../core_include/display.h"
 #include "../core_include/theme.h"
diff --git a/workspace/widgets_include/label.h b/workspace/widgets_include/label.h
index c00f14a..426f820 100644
--- a/workspace/widgets_include/label.h
+++ b/workspace/widgets_include/label.h
@@ -1,7 +1,6 @@
 #pragma once
 
 #include "../core_include/api.h"
-#include "../core_include/cmd_target.h"
 #include "../core_include/wnd.h"
 #include "../core_include/display.h"
 #include "../core_include/resource.h"
diff --git a/workspace/widgets_include/list_box.h b/workspace/widgets_include/list_box.h
index 6befb5d..5ff894f 100644
--- a/workspace/widgets_include/list_box.h
+++ b/workspace/widgets_include/list_box.h
@@ -1,7 +1,6 @@
 #pragma once
 
 #include "../core_include/api.h"
-#include "../core_include/cmd_target.h"
 #include "../core_include/resource.h"
 #include "../core_include/wnd.h"
 #include "../core_include/display.h"
diff --git a/workspace/widgets_include/slide_group.h b/workspace/widgets_include/slide_group.h
index 973a6d8..e858597 100644
--- a/workspace/widgets_include/slide_group.h
+++ b/workspace/widgets_include/slide_group.h
@@ -2,7 +2,6 @@
 
 #include "../core_include/api.h"
 #include "../core_include/display.h"
-#include "../core_include/cmd_target.h"
 #include "../core_include/wnd.h"
 #include "../widgets_include/dialog.h"
 #include <stdlib.h>
diff --git a/workspace/widgets_include/spinbox.h b/workspace/widgets_include/spinbox.h
index aba89a3..729091b 100644
--- a/workspace/widgets_include/spinbox.h
+++ b/workspace/widgets_include/spinbox.h
@@ -1,7 +1,6 @@
 #pragma once
 
 #include "../core_include/api.h"
-#include "../core_include/cmd_target.h"
 #include "../core_include/wnd.h"
 #include "../core_include/resource.h"
 #include "../core_include/word.h"
diff --git a/workspace/widgets_include/table.h b/workspace/widgets_include/table.h
index b7916f1..2d4c0d8 100644
--- a/workspace/widgets_include/table.h
+++ b/workspace/widgets_include/table.h
@@ -5,7 +5,6 @@
 #include "../core_include/word.h"
 #include "../core_include/display.h"
 #include "../core_include/theme.h"
-#include "../core_include/cmd_target.h"
 #include "../core_include/wnd.h"
 
 #define  MAX_COL_NUM  30
diff --git a/workspace/widgets_include/wave_ctrl.h b/workspace/widgets_include/wave_ctrl.h
index 8b4f7b0..dae683e 100644
--- a/workspace/widgets_include/wave_ctrl.h
+++ b/workspace/widgets_include/wave_ctrl.h
@@ -1,7 +1,6 @@
 #pragma once
 
 #include "../core_include/api.h"
-#include "../core_include/cmd_target.h"
 #include "../core_include/wnd.h"
 #include "../core_include/display.h"
 #include "../core_include/resource.h"