Could not find a storyboard named ‘MainStoryboard‘
查看Supporting Files--->Info.plist-->main storyboard file base name为什么
把UIStoryboard *mainStoryboard = [UIStoryboard storyboardWithName:@"Main" bundle:nil];里面的name改为正确的即可
Could not find a storyboard named 'MainStoryboard'
原文：http://www.cnblogs.com/ydatong/p/4678408.html