everlight.eap/backend/ZipFileHelper/ZipFileHelper.csproj

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

  <PropertyGroup>
    <TargetFramework>netstandard2.0</TargetFramework>
  </PropertyGroup>

  <ItemGroup>
    <PackageReference Include="System.IO.Compression.ZipFile" Version="4.3.0" />
  </ItemGroup>

  <ItemGroup>
    <ProjectReference Include="..\DllEapEntity\DllEapEntity.csproj" />
  </ItemGroup>

</Project>