好的，问题是 Scripts 文件夹不应直接位于包的根目录中，而必须位于 Content 文件夹下.我花了很长时间才弄明白，希望它可以帮助其他人.

Okay, the issue was that the Scripts folder should not go directly in the root directory of the package, but instead must sit under a Content folder. That took me a long time to work out, hopefully it helps someone else.