iOS 侧滑手势引起界面卡死？

-(void)viewDidAppear:(BOOL)animated {
    
    [super viewDidAppear:animated];
    
    self.isCanSideBack = NO; //关闭ios右滑返回
    if([self.navigationController respondsToSelector:@selector(interactivePopGestureRecognizer)]) {
        
        self.navigationController.interactivePopGestureRecognizer.delegate=self;
        
    }
    
}
- (void)viewDidDisappear:(BOOL)animated {
    
    [super viewDidDisappear:animated];
    
    self.isCanSideBack=YES; //开启ios右滑返回
    if([self.navigationController respondsToSelector:@selector(interactivePopGestureRecognizer)]) {
        
        self.navigationController.interactivePopGestureRecognizer.delegate = nil;
        
    }
    
}

- (BOOL)gestureRecognizerShouldBegin:(UIGestureRecognizer*)gestureRecognizer
{
    return self.isCanSideBack;
    
}