Xcode错误： please rebuild precompi

fatal error: file '/Users/XXXXXXXX/module.modulemap' has been modified since the precompiled header '/Users/XXXXXXXXXX.pch.pch' was built
note: please rebuild precompiled header '/Users/XXXXXXXXXXXXXXXXX.pch.pch'
1 error generated.

解决方案：clean一下，关掉模拟器，编译，通过，perfect！