diff --git a/src/Core_GE30/HandyControl_Core_GE30/HandyControl_Core_GE30.csproj b/src/Core_GE30/HandyControl_Core_GE30/HandyControl_Core_GE30.csproj
index c8b73d3d..df7c660e 100644
--- a/src/Core_GE30/HandyControl_Core_GE30/HandyControl_Core_GE30.csproj
+++ b/src/Core_GE30/HandyControl_Core_GE30/HandyControl_Core_GE30.csproj
@@ -12,6 +12,7 @@
     <Configurations>Debug-Core30;Debug-Core31;Release-Core30;Release-Core31</Configurations>
     <LangVersion>8.0</LangVersion>
     <Authors>HandyOrg</Authors>
+    <PackageId>HandyControl</PackageId>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug-Core30|AnyCPU'">
     <DefineConstants>TRACE;Core</DefineConstants>
@@ -157,4 +158,4 @@
       <Link>Resources\Images\GlowWindow\topright.png</Link>
     </Resource>
   </ItemGroup>
-</Project>
\ No newline at end of file
+</Project>