你不是第一个反对这个的人，而且有一个可能的原因列表。我建议你谷歌iis express无法在网络服务器上开始调试并开始阅读。有很多东西需要检查。

You're not the first one to come up against this and there's a list of possible causes. I suggest you Google for "iis express unable to start debugging on the web server" and start reading. There's a lot of stuff to check.