HUD 弹框

- (void)hudWithTitle:(NSString *)title

{

    MBProgressHUD *hud = [MBProgressHUD showHUDAddedTo:self.navigationController.view animated:YES];

    hud.mode = MBProgressHUDModeText;

    hud.label.text = title;

    [hud hideAnimated:YES afterDelay:1.f];

}