diff --git a/twain/twain.vcxproj b/twain/twain.vcxproj
index 3d5441c..6461268 100644
--- a/twain/twain.vcxproj
+++ b/twain/twain.vcxproj
@@ -217,12 +217,12 @@ move /Y "$(TargetPath)" "$(TargetDir)$(TargetName)"</Command>
   <ItemGroup>
     <ClInclude Include="..\..\code_device\sdk\hginclude\ini_file.h" />
     <ClInclude Include="..\..\code_device\sdk\hginclude\utils.h" />
-    <ClInclude Include="..\..\code_device\twain\huagaods.hpp" />
-    <ClInclude Include="..\..\code_device\twain\s2t_api.h" />
-    <ClInclude Include="..\..\code_device\twain\sane_helper.h" />
-    <ClInclude Include="..\..\code_device\twain\sane_option_trans.h" />
-    <ClInclude Include="..\..\code_device\twain\scanned_img.h" />
-    <ClInclude Include="..\..\code_device\twain\scanner.h" />
+    <ClInclude Include="..\..\code_device\twain\ds\huagaods.hpp" />
+    <ClInclude Include="..\..\code_device\twain\ds\s2t_api.h" />
+    <ClInclude Include="..\..\code_device\twain\ds\sane_helper.h" />
+    <ClInclude Include="..\..\code_device\twain\ds\sane_option_trans.h" />
+    <ClInclude Include="..\..\code_device\twain\ds\scanned_img.h" />
+    <ClInclude Include="..\..\code_device\twain\ds\scanner.h" />
     <ClInclude Include="..\..\sdk\include\huagao\brand.h" />
     <ClInclude Include="..\..\sdk\include\twain\twain.h" />
     <ClInclude Include="..\..\sdk\include\twain\twain_2.4.h" />
@@ -265,7 +265,6 @@ move /Y "$(TargetPath)" "$(TargetDir)$(TargetName)"</Command>
     <ClInclude Include="..\..\sdk\include\twain\twpp\typesops.hpp" />
     <ClInclude Include="..\..\sdk\include\twain\twpp\userinterface.hpp" />
     <ClInclude Include="..\..\sdk\include\twain\twpp\utils.hpp" />
-    <ClInclude Include="..\sane\s2t_api.h" />
     <ClInclude Include="pch.h" />
     <ClInclude Include="resource.h" />
     <ClInclude Include="targetver.h" />
@@ -283,31 +282,31 @@ move /Y "$(TargetPath)" "$(TargetDir)$(TargetName)"</Command>
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">NotUsing</PrecompiledHeader>
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|x64'">NotUsing</PrecompiledHeader>
     </ClCompile>
-    <ClCompile Include="..\..\code_device\twain\huagaods.cpp">
+    <ClCompile Include="..\..\code_device\twain\ds\huagaods.cpp">
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">NotUsing</PrecompiledHeader>
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|x64'">NotUsing</PrecompiledHeader>
     </ClCompile>
-    <ClCompile Include="..\..\code_device\twain\sane_helper.cpp">
+    <ClCompile Include="..\..\code_device\twain\ds\sane_helper.cpp">
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">NotUsing</PrecompiledHeader>
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|x64'">NotUsing</PrecompiledHeader>
     </ClCompile>
-    <ClCompile Include="..\..\code_device\twain\sane_option_trans.cpp">
+    <ClCompile Include="..\..\code_device\twain\ds\sane_option_trans.cpp">
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">NotUsing</PrecompiledHeader>
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|x64'">NotUsing</PrecompiledHeader>
     </ClCompile>
-    <ClCompile Include="..\..\code_device\twain\scanned_img.cpp">
+    <ClCompile Include="..\..\code_device\twain\ds\scanned_img.cpp">
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">NotUsing</PrecompiledHeader>
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|x64'">NotUsing</PrecompiledHeader>
     </ClCompile>
-    <ClCompile Include="..\..\code_device\twain\scanner.cpp">
+    <ClCompile Include="..\..\code_device\twain\ds\scanner.cpp">
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">NotUsing</PrecompiledHeader>
@@ -327,6 +326,9 @@ move /Y "$(TargetPath)" "$(TargetDir)$(TargetName)"</Command>
   <ItemGroup>
     <ResourceCompile Include="huagaotwain.rc" />
   </ItemGroup>
+  <ItemGroup>
+    <Text Include="..\..\code_device\twain\ds\CMakeLists.txt" />
+  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
diff --git a/twain/twain.vcxproj.filters b/twain/twain.vcxproj.filters
index faaf500..db8ef1d 100644
--- a/twain/twain.vcxproj.filters
+++ b/twain/twain.vcxproj.filters
@@ -28,27 +28,27 @@
     <ClCompile Include="pch.cpp">
       <Filter>Sources</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\code_device\twain\huagaods.cpp">
-      <Filter>imports</Filter>
-    </ClCompile>
-    <ClCompile Include="..\..\code_device\twain\sane_helper.cpp">
-      <Filter>imports</Filter>
-    </ClCompile>
-    <ClCompile Include="..\..\code_device\twain\sane_option_trans.cpp">
-      <Filter>imports</Filter>
-    </ClCompile>
-    <ClCompile Include="..\..\code_device\twain\scanned_img.cpp">
-      <Filter>imports</Filter>
-    </ClCompile>
-    <ClCompile Include="..\..\code_device\twain\scanner.cpp">
-      <Filter>imports</Filter>
-    </ClCompile>
     <ClCompile Include="..\..\code_device\sdk\hginclude\ini_file.cpp">
       <Filter>imports</Filter>
     </ClCompile>
     <ClCompile Include="..\..\code_device\sdk\hginclude\utils.cpp">
       <Filter>imports</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\code_device\twain\ds\huagaods.cpp">
+      <Filter>imports</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\code_device\twain\ds\sane_helper.cpp">
+      <Filter>imports</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\code_device\twain\ds\sane_option_trans.cpp">
+      <Filter>imports</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\code_device\twain\ds\scanned_img.cpp">
+      <Filter>imports</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\code_device\twain\ds\scanner.cpp">
+      <Filter>imports</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="pch.h">
@@ -60,30 +60,9 @@
     <ClInclude Include="targetver.h">
       <Filter>Headers</Filter>
     </ClInclude>
-    <ClInclude Include="..\sane\s2t_api.h">
-      <Filter>Headers</Filter>
-    </ClInclude>
     <ClInclude Include="..\..\sdk\include\huagao\brand.h">
       <Filter>Headers</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\code_device\twain\huagaods.hpp">
-      <Filter>imports</Filter>
-    </ClInclude>
-    <ClInclude Include="..\..\code_device\twain\s2t_api.h">
-      <Filter>imports</Filter>
-    </ClInclude>
-    <ClInclude Include="..\..\code_device\twain\sane_helper.h">
-      <Filter>imports</Filter>
-    </ClInclude>
-    <ClInclude Include="..\..\code_device\twain\sane_option_trans.h">
-      <Filter>imports</Filter>
-    </ClInclude>
-    <ClInclude Include="..\..\code_device\twain\scanned_img.h">
-      <Filter>imports</Filter>
-    </ClInclude>
-    <ClInclude Include="..\..\code_device\twain\scanner.h">
-      <Filter>imports</Filter>
-    </ClInclude>
     <ClInclude Include="..\..\sdk\include\twain\twain.h">
       <Filter>Headers\twain</Filter>
     </ClInclude>
@@ -213,6 +192,24 @@
     <ClInclude Include="..\..\code_device\sdk\hginclude\utils.h">
       <Filter>imports</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\code_device\twain\ds\huagaods.hpp">
+      <Filter>imports</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\code_device\twain\ds\s2t_api.h">
+      <Filter>imports</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\code_device\twain\ds\sane_helper.h">
+      <Filter>imports</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\code_device\twain\ds\sane_option_trans.h">
+      <Filter>imports</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\code_device\twain\ds\scanned_img.h">
+      <Filter>imports</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\code_device\twain\ds\scanner.h">
+      <Filter>imports</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ResourceCompile Include="huagaotwain.rc">
@@ -224,4 +221,9 @@
       <Filter>Sources</Filter>
     </None>
   </ItemGroup>
+  <ItemGroup>
+    <Text Include="..\..\code_device\twain\ds\CMakeLists.txt">
+      <Filter>imports</Filter>
+    </Text>
+  </ItemGroup>
 </Project>
\ No newline at end of file