text: //
  //  YUAppDelegate.h
  //  YUToolBox
  //
  //  Created by 余崇华 on 02/26/2021.
  //  Copyright (c) 2021 余崇华. All rights reserved.
  //
  
  @import UIKit;
  
  @interface YUAppDelegate : UIResponder <UIApplicationDelegate>
  
  @property (strong, nonatomic) UIWindow *window;
  
  @end
  