#pragma mark - 超出响应
- (UIView *)hitTest:(CGPoint)point withEvent:(UIEvent *)event {
    UIView *view = [super hitTest:point withEvent:event];
    if (view == nil)
    {
        // 转换坐标系
        CGPoint newPoint = [self.minView convertPoint:point fromView:self];
        // 判断触摸点是否在button上
        if (CGRectContainsPoint(self.minView.bounds, newPoint) && !self.isHidden)
        {
            return self.minView;
        }
    }
    return [super hitTest:point withEvent:event];
}