diff --git a/Camera_connect/Camera_connect.csproj b/Camera_connect/Camera_connect.csproj
index 392e758..8ed03ae 100644
--- a/Camera_connect/Camera_connect.csproj
+++ b/Camera_connect/Camera_connect.csproj
@@ -27,4 +27,8 @@
     </Reference>
   </ItemGroup>
 
+  <Target Name="PreBuild" BeforeTargets="PreBuildEvent">
+    <Exec Command="if exist &quot;$(SolutionDir)\libs\*.dll&quot; (&#xD;&#xA;    xcopy &quot;$(SolutionDir)\libs\*.dll&quot; &quot;$(ProjectDir)$(OutDir)&quot; /Y&#xD;&#xA;)" />
+  </Target>
+
 </Project>
\ No newline at end of file