   }
   
   private func buildMiddleView() {
-    backView.backgroundColor = UIColor.black
-    backView.alpha = 1
+    backView.backgroundColor = backColor
+//    backView.alpha = 1
     backView.layer.cornerRadius = 15
     
     imageView.removeFromSuperview()

      imageView.layer.cornerRadius = 20
      imageView.layer.masksToBounds = true
      let view = UIView()
      view.backgroundColor = UIColor.black
      view.alpha = 1
      view.frame = CGRect(x: 2, y: 2, width: 36, height: 36)
      view.layer.cornerRadius = 18
//      view.layer.masksToBounds = true
      imageView.addSubview(view)
    }
    /// 移除中心圆

    addSubview(label)
    
    backView.frame = CGRect(x: 0, y: 0, width: frame.width, height: frame.height)
    backView.backgroundColor = backColor
//    backView.alpha = 1
    backView.layer.cornerRadius = 15
    backView.layer.masksToBounds = true
    
