diff --git a/LiLi_DICOM_Viewer_Installer.csproj b/LiLi_DICOM_Viewer_Installer.csproj
index 96bc706..7eb94bb 100644
--- a/LiLi_DICOM_Viewer_Installer.csproj
+++ b/LiLi_DICOM_Viewer_Installer.csproj
@@ -22,6 +22,7 @@
   </ItemGroup>
 
   <ItemGroup>
+    <None Remove="Resource\LiLi DICOM Viewer User Manual.pdf" />
     <None Remove="Resource\LiLiDICOMViewerData.rar" />
     <None Remove="Resource\LiLiDICOMViewerService.rar" />
     <None Remove="Resource\LiLiDICOMViewerWeb.rar" />
@@ -34,6 +35,9 @@
 
   <ItemGroup>
     <Content Include="favicon.ico" />
+    <Content Include="Resource\LiLi DICOM Viewer User Manual.pdf">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </Content>
     <Content Include="Resource\LiLiDICOMViewerData.rar">
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>
     </Content>
diff --git a/Resource/LiLi DICOM Viewer User Manual.pdf b/Resource/LiLi DICOM Viewer User Manual.pdf
new file mode 100644
index 0000000..eb88fea
Binary files /dev/null and b/Resource/LiLi DICOM Viewer User Manual.pdf differ
diff --git a/Resource/医学影像处理软件用户手册.pdf b/Resource/医学影像处理软件用户手册.pdf
deleted file mode 100644
index 67bfb04..0000000
Binary files a/Resource/医学影像处理软件用户手册.pdf and /dev/null differ