控制台可能会输出以下警告信息
- 警告的原因: [UIImage imageNamed:nil]
CUICatalog: Invalid asset name supplied: (null)
CUICatalog: Invalid asset name supplied: (null)
- 警告的原因: [UIImage imageNamed:@""]
CUICatalog: Invalid asset name supplied:
CUICatalog: Invalid asset name supplied: