添加项目文件。

Sai.AddInDeployer/Sai.AddInDeployer.csproj

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+<Project InitialTargets="EnsureWixToolsetInstalled" Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net472</TargetFramework>
+    <Platform Condition=" '$(Platform)' == '' ">x86</Platform>
+    <OutputType>Library</OutputType>
+    <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
+    <UseWindowsForms>true</UseWindowsForms>
+    <ImportWindowsDesktopTargets>true</ImportWindowsDesktopTargets>
+    <AppendPlatformToOutputPath>False</AppendPlatformToOutputPath>
+    <AppendTargetFrameworkToOutputPath>False</AppendTargetFrameworkToOutputPath>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|x86' ">
+    <PlatformTarget>x64</PlatformTarget>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x64'">
+    <OutputPath>bin\x64\Debug\</OutputPath>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x64'">
+    <OutputPath>bin\x64\Release\</OutputPath>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="RevitAddInUtility">
+      <HintPath>C:\Program Files\Autodesk\Revit 2020\RevitAddInUtility.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Configuration" />
+    <Reference Include="Microsoft.Deployment.WindowsInstaller">
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System.Xml.Serialization" />
+  </ItemGroup>
+  <ItemGroup>
+    <Content Include="CustomAction.config" />
+  </ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
+    <PackageReference Include="System.Management" Version="8.0.0" />
+  </ItemGroup>
+  <Target Name="EnsureWixToolsetInstalled" Condition=" '$(WixCATargetsImported)' != 'true' ">
+    <Error Text="The WiX Toolset v3.11 (or newer) build tools must be installed to build this project. To download the WiX Toolset, see http://wixtoolset.org/releases/" />
+  </Target>
+</Project>