Reason: image not found

dyld: Library not loaded: UserNotification.framework

Referenced from: /Users/⋯⋯/Application Support/iPhone Simulator/5.0/Applications/F179924C-0EB7-4CCA-88D6-3BA1F68F122D/ILUTU.app/ILUTU

Reason: image not found

遇到这种错误只需 在Build Phases里把SenTestingKit.framework后边选项改成Optional就可以了