运行后能看到启动界面。 然后就出现了断点，报出错。 求助！
2015-01-06 15:22:54.978 m2048 iOS *** Assertion failure in int UIApplicationMain(int, char **, NSString *, NSString *)(), /SourceCache/UIKit/UIKit-3318.16.21/UIApplication.m:2870
2015-01-06 15:22:54.980 m2048 iOS *** Terminating app due to uncaught exception ‘NSInternalInconsistencyException’, reason: ‘Unable to instantiate the UIApplication subclass instance. No class named NSApplication is loaded.’
*** First throw call stack:
(0x18631a59c 0x196a2c0e4 0x18631a45c 0x1871a15c0 0x18ab32048 0x1001e0540 0x19709aa08)
libc++abi.dylib: terminating with uncaught exception of type NSException
另外， 如何重新生成 proj.ios_mac 里面的内容？》
