text: //
  //  SecondVC.h
  //  AppExtension
  //
  //  Created by 创客金融 on 2018/3/1.
  //  Copyright © 2018年 创客金融. All rights reserved.
  //
  
  #import <UIKit/UIKit.h>
  
  @interface SecondVC : UIViewController
  @property (nonatomic, copy) void (^change)(NSString *);
  @end
  