重置了一下模拟器就好了( Simulator -> Reset Content and Settings...)
如下图
屏幕快照 2017-09-05 下午6.10.32.png
参考链接:
http://stackoverflow.com/questions/40485155/failed-to-chmod-user-library-developer-coresimulator-devices-no-such-file-or-dir
重置了一下模拟器就好了( Simulator -> Reset Content and Settings...)
如下图