diff --git a/framework/src/Volo.Abp.AspNetCore.Mvc.Contracts/Volo.Abp.AspNetCore.Mvc.Contracts.csproj b/framework/src/Volo.Abp.AspNetCore.Mvc.Contracts/Volo.Abp.AspNetCore.Mvc.Contracts.csproj
index a979cfa637..04b2e7ec59 100644
--- a/framework/src/Volo.Abp.AspNetCore.Mvc.Contracts/Volo.Abp.AspNetCore.Mvc.Contracts.csproj
+++ b/framework/src/Volo.Abp.AspNetCore.Mvc.Contracts/Volo.Abp.AspNetCore.Mvc.Contracts.csproj
@@ -4,7 +4,7 @@
   <Import Project="..\..\..\common.props" />
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>netstandard2.0</TargetFramework>
     <AssemblyName>Volo.Abp.AspNetCore.Mvc.Contracts</AssemblyName>
     <PackageId>Volo.Abp.AspNetCore.Mvc.Contracts</PackageId>
     <AssetTargetFallback>$(AssetTargetFallback);portable-net45+win8+wp8+wpa81;</AssetTargetFallback>