1.关闭vs

2.管理员运行cmd

cd C:\Program Files (x86)\Common Files\microsoft shared\MSI Tools
regsvr32.exe /u mergemod.dll
regsvr32.exe mergemod.dll

3.打开  C:\Program Files (x86)\Microsoft Visual Studio\Installer\setup.exe

4.在更新界面-----更多-----修复

5.等待修复完毕

6.按照  https://blog.csdn.net/xfy18317776108/article/details/122343091   步骤操作打包