iOS 7.1 UITapGestureRecognizer 不好用的解决办法

UITapGestureRecognizer *tap3 = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(onSecondNavClick:)];
    [field3 addGestureRecognizer:tap3];
    tap3.delegate = self;

-(BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer *)otherGestureRecognizer{
    // return
    return true;
}