diff --git a/src/com/sheep/model/Brand.java b/src/com/sheep/model/Brand.java
index 4431117..c9ee859 100644
--- a/src/com/sheep/model/Brand.java
+++ b/src/com/sheep/model/Brand.java
@@ -2,6 +2,9 @@ package com.sheep.model;
 
 /*
 Brand代表游戏中一个牌
+每一个单独的牌都有属于自己的属性：坐标位置、图片、长宽
+为方便进行操作，每个牌都会记录单元格、消除框和地图
+Brand类实现牌类的初始化、图标转为彩色和点击监听事件
 */
 
 import com.sheep.util.MapUtil;
@@ -20,21 +23,21 @@ public class Brand extends Component{
     private Integer y;//坐标y
     private Integer width;//宽
     private Integer height;//高
-    private Map map;
+    private Map map;//当前存储所在的map
 
-    EliminateBox eliminateBox = new EliminateBox();
+    EliminateBox eliminateBox = new EliminateBox();//将要绘制到的消除框
 
     private Cell cell;//当前牌放置的单元格位置
 
-    //有参构造器
+    //有参构造器，传入名字实现属性的赋值
     public Brand(String name){
-        this.name = name;
+        this.name = name;//牌的名字
 
         //指定图片
         this.image = Toolkit.getDefaultToolkit().getImage("imgs\\"+name+".png");
         this.garyImage = Toolkit.getDefaultToolkit().getImage("imgs\\"+name+"_gray.png");
 
-        this.isGray = false;//默认为彩色图片
+        this.isGray = false;//默认为彩色图片，方便第一层的图标不用判断是否置灰
 
         //设置宽高（图片大小为50*50）
         this.width = 50;
@@ -44,7 +47,7 @@ public class Brand extends Component{
         this.x = 0;
         this.y = 0;
 
-        //添加鼠标点击的监听事件
+        //添加鼠标点击的监听事件，灰色不可点击，否则，放到消除框
         this.addMouseListener(new MouseAdapter() {
             @Override
             public void mouseClicked(MouseEvent e) {
diff --git a/src/com/sheep/model/Cell.java b/src/com/sheep/model/Cell.java
index 9c7c6da..9231c06 100644
--- a/src/com/sheep/model/Cell.java
+++ b/src/com/sheep/model/Cell.java
@@ -3,6 +3,7 @@ package com.sheep.model;
 /*
 单元格类
 两种状态 0 无牌 1 有牌
+存储map用于向Brand赋值
  */
 
 public class Cell {
diff --git a/src/com/sheep/model/EliminateBox.java b/src/com/sheep/model/EliminateBox.java
index 415dee6..8e94f04 100644
--- a/src/com/sheep/model/EliminateBox.java
+++ b/src/com/sheep/model/EliminateBox.java
@@ -2,6 +2,8 @@ package com.sheep.model;
 
 /*
 消除区域
+点击的牌放入消除区域
+此类主要负责点击牌的排序、消除、判断游戏是否失败
  */
 
 import javax.swing.*;
@@ -44,7 +46,7 @@ public class EliminateBox {
             }
         }
 
-        paint();
+        paint();//图标绘制到消除框
         over(brand);
     }
 
@@ -57,6 +59,7 @@ public class EliminateBox {
         }
     }
 
+    //当图标达到最大，游戏失败
     void over(Brand brand){
         if(slot.size() >= 7){
             JOptionPane.showMessageDialog(brand,"游戏失败");
diff --git a/src/com/sheep/model/Layer.java b/src/com/sheep/model/Layer.java
index 7ae6b99..f149dae 100644
--- a/src/com/sheep/model/Layer.java
+++ b/src/com/sheep/model/Layer.java
@@ -3,6 +3,8 @@ package com.sheep.model;
 /*
 图层类
 二维表格
+记录当前地图的坐标偏移量、行、列、最大存储量、当前牌数量
+存储map向Brand赋值，上一层Layer，方便置灰函数操作
  */
 
 public class Layer {
@@ -17,11 +19,11 @@ public class Layer {
 
     private Layer parent;//上一层图层对象
 
-    private Cell[][] cells = null;
+    private Cell[][] cells = null;//存储的二维表格
 
-    private Map map;
+    private Map map;//当前所在的map
 
-    //有参构造
+    //有参构造，根据传入的行列实现表格初始化
     public Layer(Integer rowNum,Integer colNum) {
         this.rowNum = rowNum;
         this.colNum = colNum;
@@ -35,6 +37,7 @@ public class Layer {
         offsety = 0;
     }
 
+    //打印表格，用于开发阶段测试使用
     public void showCells(){
         for(int row = 0;row < cells.length;row++){
             for(int col = 0;col<cells[row].length;col++){
diff --git a/src/com/sheep/model/Map.java b/src/com/sheep/model/Map.java
index d4807e6..6287c1e 100644
--- a/src/com/sheep/model/Map.java
+++ b/src/com/sheep/model/Map.java
@@ -4,6 +4,7 @@ package com.sheep.model;
 地图
 地图有多个图层
 各个图层层层遮盖
+存储二维表格，以及其中数据
  */
 
 import com.sheep.util.MapUtil;
diff --git a/src/com/sheep/music/BackgroundMusic.java b/src/com/sheep/music/BackgroundMusic.java
index 56de617..5f58ebd 100644
--- a/src/com/sheep/music/BackgroundMusic.java
+++ b/src/com/sheep/music/BackgroundMusic.java
@@ -1,15 +1,23 @@
 package com.sheep.music;
 
+/*
+背景音乐类
+用于切换背景音乐、播放背景音乐、暂停背景音乐
+ */
+
 import javax.sound.sampled.*;
 import java.io.File;
 import java.io.IOException;
 
 public class BackgroundMusic {
-    private Clip clip;
+    private Clip clip;//存储音乐
+
+    //音乐名称
     private String name1 = "wavs\\普通Disco.wav";
     private String name2 = "wavs\\告白气球.wav";
     private String name3 = "wavs\\喜羊羊与灰太狼.wav";
 
+    //播放背景音乐
     public void play(String musicFilePath){
         try {
             File musicFile = new File(musicFilePath);
@@ -26,10 +34,12 @@ public class BackgroundMusic {
         }
     }
 
+    //暂停背景音乐
     public void stop(){
         clip.stop();
     }
 
+    //选择背景音乐
     public void switchMusic(Integer gameMode){
         stop();
         switch (gameMode){
diff --git a/src/com/sheep/util/BrandUtil.java b/src/com/sheep/util/BrandUtil.java
index 78f95fa..b5db83d 100644
--- a/src/com/sheep/util/BrandUtil.java
+++ b/src/com/sheep/util/BrandUtil.java
@@ -3,6 +3,9 @@ package com.sheep.util;
 /*
 工具类
 提供创建牌的一些公共方法
+存储各个图标的信息
+通过随机函数获取名称
+创建随机的牌组
  */
 
 import com.sheep.model.Brand;
@@ -11,7 +14,9 @@ import java.util.Random;
 
 public class BrandUtil {
 
-    public static Random random = new Random();
+    public static Random random = new Random();//随机数
+
+    //不同游戏主题的牌数据
     public static String[] brandName1= {
             "刷子","剪刀","叉子","手套",
             "木桩","棉花","毛线","水桶",
@@ -30,6 +35,8 @@ public class BrandUtil {
             "羊狼9","羊狼10","羊狼11","羊狼12",
             "羊狼13","羊狼14","羊狼15","羊狼16",
     };
+
+    //得到牌数据
     public static String getBrandName(Integer gameMode){
         int randomIndex = random.nextInt(brandName1.length);
         String retname = "";
diff --git a/src/com/sheep/util/LayerUtil.java b/src/com/sheep/util/LayerUtil.java
index 361c668..a75ae09 100644
--- a/src/com/sheep/util/LayerUtil.java
+++ b/src/com/sheep/util/LayerUtil.java
@@ -1,5 +1,11 @@
 package com.sheep.util;
 
+/*
+用于创建二维单元格
+调用BrandUtil中的函数，实现二维单元格的创立
+创建过程中对相应的属性初始化
+ */
+
 import com.sheep.model.Brand;
 import com.sheep.model.Cell;
 import com.sheep.model.Layer;
diff --git a/src/com/sheep/util/MapUtil.java b/src/com/sheep/util/MapUtil.java
index c82e275..94a393f 100644
--- a/src/com/sheep/util/MapUtil.java
+++ b/src/com/sheep/util/MapUtil.java
@@ -1,5 +1,13 @@
 package com.sheep.util;
 
+/*
+用于地图的初始化
+判断牌是否可以点击
+图层的摆放
+图层之间建立联系
+判断游戏是否成功
+ */
+
 import java.awt.*;
 import java.util.List;
 
@@ -76,7 +84,7 @@ public class MapUtil {
 			for(int row = 0;row < cells.length;row++){
 				for(int col = 0;col <cells[row].length;col++){
 					Cell cell = cells[row][col];
-					if(cell.getState()==1){
+					if(cell.getState()==1){//有牌，游戏继续
 						flag = false;
 						Brand brand = cell.getBrand();
 						boolean result = MapUtil.compare(brand,layer.getParent());
diff --git a/src/com/sheep/view/Game.java b/src/com/sheep/view/Game.java
index a20b79e..02c6761 100644
--- a/src/com/sheep/view/Game.java
+++ b/src/com/sheep/view/Game.java
@@ -2,6 +2,7 @@ package com.sheep.view;
 
 /*
 游戏界面
+完成游戏界面的创建和接下来的游戏事件监听
  */
 
 import com.sheep.model.Brand;
@@ -14,10 +15,11 @@ import javax.swing.*;
 import java.util.List;
 
 public class Game extends JFrame {
-    private Map map;
+    private Map map;//用于存储游戏地图中的牌
 
+    //游戏界面的构造函数
     public Game(Integer gameMode) {
-        map = MapUtil.MapBuild(3,gameMode);
+        map = MapUtil.MapBuild(3,gameMode);//创建地图
 
         init();//初始化窗口
 
@@ -26,6 +28,8 @@ public class Game extends JFrame {
         for(int i = 0; i < list.size(); i++) {
             renderLayer(list.get(i));
         }
+
+        //图标置灰
         MapUtil.compareAll(map);
 
         //添加背景
@@ -34,6 +38,7 @@ public class Game extends JFrame {
         aotoRefresh();//自动刷新
     }
 
+    //窗口初始化
     private void init(){
         this.setTitle("java羊了个羊");//标题
         this.setSize(425,800);//窗口大小
@@ -47,6 +52,7 @@ public class Game extends JFrame {
         this.setVisible(true);//当前窗体显示
     }
 
+    //图标坐标位置偏移
     private void renderLayer(Layer layer){
         Cell[][] cells = layer.getCells();
 
@@ -63,6 +69,7 @@ public class Game extends JFrame {
         }
     }
 
+    //根据Start传入的游戏模式添加背景
     private void addBackgound(int gameMode){
         JLabel backgroungLabel;
         switch(gameMode){
@@ -84,6 +91,7 @@ public class Game extends JFrame {
         }
     }
 
+    //重复刷新函数
     private void aotoRefresh(){
         JFrame start = this;
 
diff --git a/src/com/sheep/view/Main.java b/src/com/sheep/view/Main.java
index ebadcda..370f085 100644
--- a/src/com/sheep/view/Main.java
+++ b/src/com/sheep/view/Main.java
@@ -1,5 +1,10 @@
 package com.sheep.view;
 
+/*
+游戏的开始入口
+构建Start，调出开始界面
+ */
+
 public class Main {
     public static void main(String[] args) {
         Start s = new Start();
diff --git a/src/com/sheep/view/Start.java b/src/com/sheep/view/Start.java
index 3b57417..54bd438 100644
--- a/src/com/sheep/view/Start.java
+++ b/src/com/sheep/view/Start.java
@@ -12,15 +12,21 @@ import java.awt.event.MouseEvent;
 
 /*
 开始界面
+可切换游戏主题：图标、背景图片、背景音乐
+可点击开始按钮开始游戏
  */
 
 public class Start extends JFrame {
+    //存储当前游戏界面的类型，用于更换界面风格和背景音乐（游戏主题）
     Integer gameMode;
+    //存储背景图片
     JLabel backgroundLabel = new JLabel(new ImageIcon("imgs/背景1.png"));
+    //存储背景音乐
     BackgroundMusic music = new BackgroundMusic();
 
+    //构造函数，调用各个函数实现初始化
     public Start() {
-        gameMode = 1;
+        gameMode = 1;//初始化游戏主题
         init();//初始化窗口
 
         //添加背景及按钮
@@ -29,9 +35,11 @@ public class Start extends JFrame {
         //重复刷新
         aotoRefresh();
 
+        //播放背景音乐
         music.play("wavs\\普通Disco.wav");
     }
 
+    //窗口的初始化
     private void init(){
         this.setTitle("java羊了个羊");//标题
         this.setSize(425,800);//窗口大小
@@ -45,28 +53,33 @@ public class Start extends JFrame {
         this.setVisible(true);//当前窗体显示
     }
 
+    //添加背景、按钮、切换主题的图片
     private void addBackgound(){
+        //经典主题
         JLabel gameMode1 = new JLabel(new ImageIcon("imgs/刷子.png"));
         gameMode1.setBounds(100,550,50,50);
         this.add(gameMode1);
 
+        //羊羊主题
         JLabel gameMode2 = new JLabel(new ImageIcon("imgs/羊1.png"));
         gameMode2.setBounds(200,550,50,50);
         this.add(gameMode2);
 
+        //喜羊羊与灰太狼主题
         JLabel gameMode3 = new JLabel(new ImageIcon("imgs/羊狼1.png"));
         gameMode3.setBounds(300,550,50,50);
         this.add(gameMode3);
 
+        //开始按钮
         JButton startButton = new JButton(new ImageIcon("imgs/开始.png"));
         startButton.setBounds(125,400,200,50);
         this.add(startButton);
 
-
+        //添加背景图片到窗体
         backgroundLabel.setBounds(0,0,450,800);
         this.add(backgroundLabel);
 
-        //游戏模式1监听事件
+        //游戏模式1监听事件（经典模式）
         gameMode1.addMouseListener(new MouseAdapter() {
             @Override
             public void mouseClicked(MouseEvent e) {
@@ -78,7 +91,7 @@ public class Start extends JFrame {
             }
         });
 
-        //游戏模式2监听事件
+        //游戏模式2监听事件（羊羊模式）
         gameMode2.addMouseListener(new MouseAdapter() {
             @Override
             public void mouseClicked(MouseEvent e) {
@@ -90,7 +103,7 @@ public class Start extends JFrame {
             }
         });
 
-        //游戏模式3监听事件
+        //游戏模式3监听事件（喜羊羊与灰太狼模式）
         gameMode3.addMouseListener(new MouseAdapter() {
             @Override
             public void mouseClicked(MouseEvent e) {
@@ -102,16 +115,17 @@ public class Start extends JFrame {
             }
         });
 
-        //按钮添加监听事件
+        //开始按钮添加监听事件
         startButton.addActionListener(new ActionListener() {
             @Override
             public void actionPerformed(ActionEvent e) {
-                new Game(gameMode);
-                Start.super.dispose();
+                new Game(gameMode);//创建游戏界面
+                Start.super.dispose();//关闭开始界面
             }
         });
     }
 
+    //重复刷新函数
     private void aotoRefresh(){
         JFrame start = this;