         self.addConstraints(tempConstraints)
         
         // 保存moreButton width constrain
-        moreButtonWidthConstraint = tempConstraints[0]
         moreButtonRightMarginConstraint = tempConstraints[1]
         
         // event

        
        willSet {
            
            if newValue {
                
                moreButtonWidthConstraint.constant = 4
            } else {
                
                moreButtonWidthConstraint.constant = kMoreButtonWidth
            }
            moreButton.hidden = newValue
        }
    }

    private var line        : UIView!   // 完美分割线
    
    private var constrainsViewDic = [String:UIView]() // 代码增加约束需要使用
    private var moreButtonRightMarginConstraint : NSLayoutConstraint! // 更多按钮右边距约束
    private var titleButtonLeftMarginConstraint : NSLayoutConstraint! // 标题按钮左边距约束
    private var lineLeftMarginConstraint : NSLayoutConstraint! // 分割线左边距约束
