Application Transport Security has blocked a cleartext HTTP (http://) resource load since it is insecure

控制台打印：Application Transport Security has blocked a cleartext HTTP (http://) resource load since it is insecure. Temporary exceptions can be configured via your app's Info.plist file.

解决方法：在info.plist中配置

控制台打印：while an existing transition or presentation is occurring; the navigation stack will not be updated

解决方法：将代码放到回调函数中

Tools.showAlert(self, message: "重置密码成功", handler: { (_) in

self.performSegueWithIdentifier("recoverPwdByPhone", sender: self)

})