dotnet core，VS2017 15.5.4不会从Ui文件夹中发布静态html / js文件

dotnet core 2.x，VS2017 15.5.4不从Ui文件夹发布静态html / js文件 .

我们将dotnet核心Web Api和我们的客户端UI Aurelia合并到同一个项目中 . 当我发布Aurelia文件时没有被复制出来，只有Aurelia中的文件是json . 我以为我可以右键单击文件和文件夹并将Build Action属性设置为Content但我收到错误，请参阅最后一张图片 .

这是我的.csproj文件

<Project Sdk="Microsoft.NET.Sdk.Web">

  <PropertyGroup>
    <TargetFramework>netcoreapp2.0</TargetFramework>
    <AssemblyName>Web</AssemblyName>
    <RootNamespace>Web</RootNamespace>
    <TypeScriptToolsVersion>2.5</TypeScriptToolsVersion>
  </PropertyGroup>
  <ItemGroup>
    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.0.0" />
    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="2.0.1" />
    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="2.0.0" PrivateAssets="All" />
    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="2.0.0" />
    <PackageReference Include="Microsoft.Graph" Version="1.6.2" />
    <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="2.0.0" PrivateAssets="All" />
    <PackageReference Include="Serilog.AspNetCore" Version="2.1.0" />
    <PackageReference Include="Serilog.Settings.Configuration" Version="2.4.0" />
    <PackageReference Include="Serilog.Sinks.Console" Version="3.1.1" />
    <PackageReference Include="Serilog.Sinks.RollingFile" Version="3.3.0" />
  </ItemGroup>

  <ItemGroup>
    <DotNetCliToolReference Include="Microsoft.EntityFrameworkCore.Tools.DotNet" Version="2.0.0" />
    <DotNetCliToolReference Include="Microsoft.Extensions.SecretManager.Tools" Version="2.0.0" />
    <DotNetCliToolReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Tools" Version="2.00" />
  </ItemGroup>

  <ItemGroup>
    <ProjectReference Include="..\Common\Common.csproj" />
    <ProjectReference Include="..\Lms\Lms.Service.csproj" />
  </ItemGroup>

  <ItemGroup>
    <Content Update="appsettings.Development.json">
      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
    </Content>
    <Content Update="appsettings.json">
      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
    </Content>
  </ItemGroup>
</Project>

右键单击并从菜单中单击属性时出错我得到了这个