问题:在Xcode一打断点就会在IQKeyboardManager断点在//Loading IQToolbar, IQTitleBarButtonItem, IQBarButtonItem to fix first time keyboard appearance delay (Bug ID: #550) 解决方法:取消掉断点就没事,后来发现是要右键编辑一下断点的Exception为Objective-C就可以了````