 class PageTitleView: UIView {
     
     fileprivate var titles: [String]
+    fileprivate var selectLabel: UILabel?
+    fileprivate lazy var titleLabels = [UILabel]()
     
     //MARK:- 懒加载scrollView
     fileprivate lazy var scrollView: UIScrollView = {

            label.font = UIFont.systemFont(ofSize: 16)
            label.textAlignment = NSTextAlignment.center
            
            self.scrollView.addSubview(label)
        }
    }
}

        self.addSubview(scrollView)
        scrollView.frame = CGRect(x: 0, y: 0, width: bounds.width, height: bounds.height - kLineH)
        
        setupTitleLabels()
        setupBottomLine()
    }
    
    private func setupTitleLabels(){
