             make.right.equalTo(self.window.snp_right)
             make.height.equalTo(44)
         }
-    }
-    
-    private func updateUserInterface() {
-        // SubViews
+        
+        // Animate
+        if animated {
+            self.window.setNeedsUpdateConstraints()
+            UIView.animateWithDuration(0.35) { [weak self] () -> Void in
+                self?.avatarView.alpha = 1
+                self?.teacherNameLabel.alpha = 1
+                self?.subjectLabel.alpha = 1
+                self?.floatRating.alpha = 1
+                self?.window.layoutIfNeeded()
+            }
+        }
+    }
+    
+    ///  设置UI为编辑模式
+    private func changeToEditingMode() {
         
         // Autolayout
-
+        window.snp_makeConstraints { (make) -> Void in
+            make.top.equalTo(self.view.snp_top).offset(36)
+            make.centerX.equalTo(self.view.snp_centerX)
+            make.width.equalTo(MalaLayout_CommentPopupWindowWidth)
+            make.height.equalTo(MalaLayout_CommentPopupWindowHeight)
+        }
+        textView.snp_updateConstraints(closure: { (make) -> Void in
+            make.top.equalTo(titleLine.snp_bottom).offset(MalaLayout_Margin_12)
+            make.left.equalTo(self.window.snp_left).offset(MalaLayout_Margin_18)
+            make.right.equalTo(self.window.snp_right).offset(-MalaLayout_Margin_18)
+            make.bottom.equalTo(buttonSeparatorLine.snp_top).offset(-MalaLayout_Margin_12)
+        })
+        avatarView.snp_updateConstraints { (make) -> Void in
+            make.centerX.equalTo(self.window.snp_centerX)
+            make.top.equalTo(titleLine.snp_bottom)
+            make.width.equalTo(0)
+            make.height.equalTo(0)
+        }
+        teacherNameLabel.snp_updateConstraints { (make) -> Void in
+            make.right.equalTo(avatarView.snp_centerX).offset(-MalaLayout_Margin_5)
+            make.top.equalTo(avatarView.snp_bottom).offset(MalaLayout_Margin_10)
+            make.height.equalTo(0)
+        }
+        subjectLabel.snp_updateConstraints { (make) -> Void in
+            make.left.equalTo(avatarView.snp_centerX).offset(MalaLayout_Margin_5)
+            make.top.equalTo(avatarView.snp_bottom).offset(MalaLayout_Margin_10)
+            make.height.equalTo(0)
+        }
+        floatRating.snp_updateConstraints { (make) -> Void in
+            make.top.equalTo(subjectLabel.snp_bottom)
+            make.centerX.equalTo(avatarView.snp_centerX)
+            make.height.equalTo(0)
+            make.width.equalTo(0)
+        }
+        
+        // Animate
+        self.window.setNeedsUpdateConstraints()
+        UIView.animateWithDuration(0.35) { [weak self] () -> Void in
+            self?.avatarView.alpha = 0
+            self?.teacherNameLabel.alpha = 0
+            self?.subjectLabel.alpha = 0
+            self?.floatRating.alpha = 0
+            self?.window.layoutIfNeeded()
+        }
+    }
+    
+    ///  删除所有约束
+    private func removeAllConstraints() {
+        window.snp_removeConstraints()
+        titleView.snp_removeConstraints()
+        closeButton.snp_removeConstraints()
+        titleLine.snp_removeConstraints()
+        avatarView.snp_removeConstraints()
+        teacherNameLabel.snp_removeConstraints()
+        subjectLabel.snp_removeConstraints()
+        floatRating.snp_removeConstraints()
+        textView.snp_removeConstraints()
+        buttonSeparatorLine.snp_removeConstraints()
+        commitButton.snp_removeConstraints()
     }
     
     private func animateAlert() {

            subjectLabel.text = model.subject
        }
    }
    
    /// 自身强引用
    var strongSelf: CommentPopupWindow?
    /// 遮罩层透明度

        titleLine.backgroundColor = MalaColor_8FBCDD_0
        return titleLine
    }()
    /// 老师信息及评分控件容器
    private lazy var teacherContainer: UIView = {
        let teacherContainer = UIView()
        return teacherContainer
    }()
    /// 老师头像
    private lazy var avatarView: UIImageView = {
        let avatarView = UIImageView(image: UIImage(named: "avatar_placeholder"))
