storyboard上的線沒有刪除,但是方法已經注釋
- 屬性被注釋
'NSUnknownKeyException', reason: '[<ViewController 0x7fb570d03f30> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key but.'
- 方法被注釋
NSInvalidArgumentException', reason: '-[ViewController click:]: unrecognized selector sent to instance 0x7fd4ded04bc0'