Error This project references Nu

找到 项目文件.csproj，打开后，移除下面的内容

<Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
<PropertyGroup>
<ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them. For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
</PropertyGroup>
<Error Condition="!Exists('$(SolutionDir).nuget\NuGet.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir).nuget\NuGet.targets'))" />
</Target>