diff --git a/src/main/java/com/jiudian/manage/service/ConfigService.java b/src/main/java/com/jiudian/manage/service/ConfigService.java
index 97f9c22..c8a670a 100644
--- a/src/main/java/com/jiudian/manage/service/ConfigService.java
+++ b/src/main/java/com/jiudian/manage/service/ConfigService.java
@@ -1,7 +1,10 @@
 package com.jiudian.manage.service;
 
 import com.jiudian.manage.model.Config;
-
+//ConfigService是一个业务逻辑接口，定义了系统配置相关的操作方法。它属于服务层
+//定义配置管理的业务接口
+//约束实现类必须提供的功能
+//作为控制器（Controller）和数据访问层（Mapper）之间的桥梁
 public interface ConfigService {
     public Config get();
     public boolean update(double managesalary,double  staffsalary, double cleanerssalary, double manage, double staff, double cleaner, double totalmoney, double totalroom);
diff --git a/src/main/java/com/jiudian/manage/service/OrderService.java b/src/main/java/com/jiudian/manage/service/OrderService.java
index dcb867c..924a252 100644
--- a/src/main/java/com/jiudian/manage/service/OrderService.java
+++ b/src/main/java/com/jiudian/manage/service/OrderService.java
@@ -3,7 +3,8 @@ package com.jiudian.manage.service;
 import com.jiudian.manage.model.Order;
 
 import java.util.List;
-
+//接口包含了订单管理的完整功能：创建、删除、更新状态、查询
+//将复杂的订单处理逻辑封装在 Service 层，控制器只需调用接口即可
 public interface OrderService {
     /**
      * 增加订单
diff --git a/src/main/java/com/jiudian/manage/service/RoomService.java b/src/main/java/com/jiudian/manage/service/RoomService.java
index 915aa55..6fd8f88 100644
--- a/src/main/java/com/jiudian/manage/service/RoomService.java
+++ b/src/main/java/com/jiudian/manage/service/RoomService.java
@@ -3,7 +3,7 @@ package com.jiudian.manage.service;
 import com.jiudian.manage.model.Room;
 
 import java.util.List;
-
+//RoomService接口中的方法会调用RoomMapper接口中的方法：
 public interface RoomService {
     /**
      * 添加一个新房间
diff --git a/src/main/java/com/jiudian/manage/service/UserService.java b/src/main/java/com/jiudian/manage/service/UserService.java
index 3e6fde4..67c96d3 100644
--- a/src/main/java/com/jiudian/manage/service/UserService.java
+++ b/src/main/java/com/jiudian/manage/service/UserService.java
@@ -3,7 +3,12 @@ package com.jiudian.manage.service;
 import com.jiudian.manage.model.User;
 
 import java.util.List;
-
+/*这个UserService接口定义了用户管理系统的核心业务功能，主要包括：
+用户信息管理：查询、添加、删除、修改用户基本信息
+权限管理：根据权限查询用户，设置用户权限
+登录认证：验证用户身份，返回用户 ID 和权限
+业绩管理：增加用户业绩 / 薪水
+头像管理：上传和更新用户头像*/
 public interface UserService {
 
     public User selectUser(int userid);
diff --git a/src/main/java/com/jiudian/manage/service/impl/ConfigServiceImpl.java b/src/main/java/com/jiudian/manage/service/impl/ConfigServiceImpl.java
index 2597404..c9b8985 100644
--- a/src/main/java/com/jiudian/manage/service/impl/ConfigServiceImpl.java
+++ b/src/main/java/com/jiudian/manage/service/impl/ConfigServiceImpl.java
@@ -5,10 +5,14 @@ import com.jiudian.manage.model.Config;
 import com.jiudian.manage.service.ConfigService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
-
-@Service
+///**
+// * ConfigService接口的实现类
+// * 处理系统配置相关的业务逻辑
+// */
+@Service // 标记为服务层组件，被Spring管理
 public class ConfigServiceImpl implements ConfigService {
     @Autowired
+    // 自动注入ConfigMapper，用于数据库操作
     ConfigMapper configMapper;
 
     @Override
@@ -18,14 +22,17 @@ public class ConfigServiceImpl implements ConfigService {
 
     @Override
     public boolean update(double managesalary, double staffsalary, double cleanerssalary, double manage, double staff, double cleaner, double totalmoney, double totalroom) {
+       //创建配置对象
         Config config = new Config();
         config.setId(1);
+        // 设置薪资相关配置
         config.setManagesalary(managesalary);
         config.setStaffsalary(staffsalary);
         config.setCleanerssalary(cleanerssalary);
         config.setManage(manage);
         config.setStaff(staff);
         config.setCleaner(cleaner);
+        //对于totalmoney和totalroom字段，只有当传入值不是 - 1 时才更新
         if(totalmoney!=-1){
             config.setTotalmoney(totalmoney);
         }
@@ -33,6 +40,6 @@ public class ConfigServiceImpl implements ConfigService {
             config.setTotalroom(totalroom);
         }
         int i = configMapper.updateByPrimaryKeySelective(config);
-        return i>0?true:false;
+        return i>0?true:false; //根据影响行数判断更新是否成功
     }
 }
diff --git a/src/main/java/com/jiudian/manage/service/impl/OrderServiceImpl.java b/src/main/java/com/jiudian/manage/service/impl/OrderServiceImpl.java
index 5f340e6..2474ccc 100644
--- a/src/main/java/com/jiudian/manage/service/impl/OrderServiceImpl.java
+++ b/src/main/java/com/jiudian/manage/service/impl/OrderServiceImpl.java
@@ -14,6 +14,9 @@ import org.springframework.stereotype.Service;
 
 import java.util.List;
 
+// * OrderService接口的实现类
+// * 处理订单相关的业务逻辑
+// */
 @Service
 public class OrderServiceImpl implements OrderService {
     @Autowired
@@ -22,13 +25,27 @@ public class OrderServiceImpl implements OrderService {
     RoomMapper roomMapper;
     @Autowired
     ConfigMapper configMapper;
-
+    // 自动注入相关Mapper
     @Override
+    /**
+     * 添加新订单
+     * 包含房间状态检查、订单创建、系统配置更新等完整业务流程
+     *
+     * @param householdname 入住人姓名
+     * @param id 入住人身份证号
+     * @param starttime 入住开始时间
+     * @param endtime 入住结束时间
+     * @param roomid 房间ID
+     * @param userid 操作用户ID
+     * @return 订单创建成功返回true，失败返回false
+     */
     public boolean addOrder(String householdname, String id, String starttime, String endtime, int roomid, int userid) {
+        // 1. 检查房间状态是否为可预订（状态1）
         Room room = roomMapper.selectByPrimaryKey(roomid);
         if(room.getState()!=1){
             return false;
         }
+        // 2. 创建订单对象
         Order order = new Order();
         order.setHouseholdname(householdname);
         order.setId(id);
@@ -37,15 +54,17 @@ public class OrderServiceImpl implements OrderService {
         order.setRoomid(roomid);
         order.setUserid(userid);
         order.setState(0);
+        // 3. 计算订单金额
         double money = TimeUtil.getBetweenDay(starttime,endtime)*room.getMoney();
         order.setMoney(money);
-
+// 4. 更新系统配置（总营业额和总房间数）
         Config config = configMapper.selectByPrimaryKey(1);
         config.setTotalroom(config.getTotalroom()+1);
         config.setTotalmoney(config.getTotalmoney()+money);
         configMapper.updateByPrimaryKeySelective(config);
-
+// 5. 插入订单记录
         int insert = orderMapper.insertSelective(order);
+        // 6. 如果订单插入成功，更新房间状态为已入住（状态2
         if(insert>0){
             Room room1 = new Room();
             room1.setRoomid(roomid);
@@ -60,7 +79,13 @@ public class OrderServiceImpl implements OrderService {
             return false;
         }
     }
-
+    /**
+     * 删除订单
+     * 同时更新房间状态为可预订
+     *
+     * @param orderid 订单ID
+     * @return 删除成功返回true，失败返回false
+     */
     @Override
     public boolean delOrder(int orderid) {
         Order order = orderMapper.selectByPrimaryKey(orderid);
@@ -105,7 +130,14 @@ public class OrderServiceImpl implements OrderService {
         }
         return false;
     }
-
+    /**
+     * 分页查询所有订单
+     * 使用PageHelper实现分页功能
+     *
+     * @param pageNum 页码
+     * @param pageSize 每页记录数
+     * @return 订单列表
+     */
     @Override
     public List<Order> getAllOrder(int pageNum, int pageSize) {
         PageHelper.startPage(pageNum,pageSize);
diff --git a/src/main/java/com/jiudian/manage/service/impl/RoomServiceImpl.java b/src/main/java/com/jiudian/manage/service/impl/RoomServiceImpl.java
index b293140..d5e0ec2 100644
--- a/src/main/java/com/jiudian/manage/service/impl/RoomServiceImpl.java
+++ b/src/main/java/com/jiudian/manage/service/impl/RoomServiceImpl.java
@@ -8,9 +8,16 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
 import java.util.List;
-
+//这个RoomServiceImpl类实现了房间管理的完整业务逻辑，包括：
+//房间的添加、删除、修改
+//房间状态的单独更新
+//基于状态和类型的组合查询
+//分页查询支持
+//代码遵循了面向接口编程的原则，通过依赖注入获取 Mapper 对象，实现了业务逻辑与数据访问的解耦，
+//降低系统中不同组件之间的依赖关系，使它们能够独立地开发、测试和维护。
 @Service
 public class RoomServiceImpl implements RoomService {
+    // 自动注入RoomMapper，用于数据库操作
     @Autowired
     RoomMapper roomMapper;
 
diff --git a/src/main/java/com/jiudian/manage/service/impl/UserServiceImpl.java b/src/main/java/com/jiudian/manage/service/impl/UserServiceImpl.java
index 71a3883..8ffa541 100644
--- a/src/main/java/com/jiudian/manage/service/impl/UserServiceImpl.java
+++ b/src/main/java/com/jiudian/manage/service/impl/UserServiceImpl.java
@@ -9,8 +9,27 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
 import java.util.List;
-
+//UserServiceImpl是一个完整的用户管理服务实现类，它：
+//实现了 UserService 接口：提供了用户管理的所有功能
+//使用 MyBatis 进行数据访问：通过 UserMapper 操作数据库
+//1. 用户基础操作
+//添加用户：创建新用户账号，自动生成工号
+//删除用户：根据 ID 删除用户
+//查询用户：根据 ID 查询用户详情
+//更新用户：支持部分字段更新，灵活更新用户信息
+//2. 用户信息管理
+//修改个人信息：更新用户名、年龄、手机号等
+//更新头像：上传和更新用户头像
+//业绩管理：增加用户业绩 / 薪水记录
+//3. 用户查询与筛选
+//分页查询：支持分页获取所有用户
+//权限筛选：按权限等级查询特定用户群体
+//灵活查询：支持多条件组合查询
+//4. 用户认证与授权
+//登录验证：验证用户名密码，返回用户 ID 和权限
+//权限管理：基于 power 字段实现用户权限控制
 @Service
+//实现UserService接口的所有方法
 public class UserServiceImpl implements UserService {
     @Autowired
     UserMapper userMapper;
diff --git a/src/main/java/com/jiudian/manage/until/FileUtil.java b/src/main/java/com/jiudian/manage/until/FileUtil.java
index 62fe0b8..3887f0a 100644
--- a/src/main/java/com/jiudian/manage/until/FileUtil.java
+++ b/src/main/java/com/jiudian/manage/until/FileUtil.java
@@ -2,13 +2,20 @@ package com.jiudian.manage.until;
 
 import java.io.File;
 import java.io.FileOutputStream;
-
+/**
+ * 上传文件
+ *
+ * @return 上传成功返回true，失败返回false
+ * @throws Exception 如果发生IO异常会抛出
+ */
 public class FileUtil {
     public static boolean uploadFile(byte[] file, String filePath, String fileName) throws Exception {
+        // 创建目标文件夹
         File targetFile = new File(filePath);
         if(!targetFile.exists()){
             targetFile.mkdirs();
         }
+        //写入文件
         FileOutputStream out = new FileOutputStream(filePath+fileName);
         out.write(file);
         out.flush();
diff --git a/src/main/java/com/jiudian/manage/until/ImageCode.java b/src/main/java/com/jiudian/manage/until/ImageCode.java
index ec020b1..d728d3d 100644
--- a/src/main/java/com/jiudian/manage/until/ImageCode.java
+++ b/src/main/java/com/jiudian/manage/until/ImageCode.java
@@ -11,15 +11,19 @@ import java.util.Random;
 
 public class ImageCode {
     public static final String CODENAME="ImageCode";
+    //* 生成验证码图片并发送到客户端
     public static void createImage(HttpServletResponse response, HttpSession session) throws IOException {
+        // 创建图像缓冲区
         BufferedImage image = new BufferedImage(80, 30, BufferedImage.TYPE_INT_RGB);
         Graphics g = image.getGraphics();
         Random r = new Random();
+        // 设置背景色
         g.setColor(new Color(r.nextInt(255), r.nextInt(255), r.nextInt(255)));
         g.fillRect(0, 0, 80, 20);
         //获取生成的验证码
         String code = getNumber();
         //绑定验证码
+        // 将验证码存储到Session中
         session.setAttribute(CODENAME, code);
         g.setFont(new Font(Font.SANS_SERIF, Font.BOLD, 25));
         g.setColor(new Color(r.nextInt(255), r.nextInt(255), r.nextInt(255)));
@@ -29,6 +33,10 @@ public class ImageCode {
         OutputStream os = response.getOutputStream();
         ImageIO.write(image, "jpeg", os);
     }
+    /**
+     * 生成随机验证码
+     * @return 4位随机验证码
+     */
     public static String getNumber(){
         String str = "1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ";
         String code = "";
diff --git a/src/main/java/com/jiudian/manage/until/State.java b/src/main/java/com/jiudian/manage/until/State.java
index 422e8f6..0ed3967 100644
--- a/src/main/java/com/jiudian/manage/until/State.java
+++ b/src/main/java/com/jiudian/manage/until/State.java
@@ -1,6 +1,18 @@
 package com.jiudian.manage.until;
-
+/**
+ * 状态枚举类
+ * 定义接口返回的标准状态码和提示信息
+ * 用于统一API接口的返回格式
+ */
 public enum  State {
+    /**
+     * 成功状态码
+     * 键名："code"，值："0"
+     */
+    /**
+     * 成功提示信息
+     * 键名："message"，值："成功"
+     */
     SuccessCode("code","0"),SuccessMessage("message","成功"),
     ErrorCode("code","-1"),ErrorMessage("message","失败")
     ;
@@ -8,6 +20,11 @@ public enum  State {
 
     public String name;
     public String message;
+    /**
+     * 构造方法
+     * @param name 状态键名
+     * @param message 状态值
+     */
     State(String name,String message) {
         this.name = name;
         this.message = message;
@@ -21,3 +38,8 @@ public enum  State {
     }
 
 }
+//状态码标记：使用code="0"表示成功
+//消息提示：使用 "成功" 作为提示信息
+//返回值：Service 方法返回 true 表示业务操作成功
+//数据库影响：数据操作影响行数大于 0
+//前端展示：用户界面显示成功反馈
diff --git a/src/main/java/com/jiudian/manage/until/StateSignal.java b/src/main/java/com/jiudian/manage/until/StateSignal.java
index 364c9b4..5536f40 100644
--- a/src/main/java/com/jiudian/manage/until/StateSignal.java
+++ b/src/main/java/com/jiudian/manage/until/StateSignal.java
@@ -1,16 +1,30 @@
 package com.jiudian.manage.until;
 
 import java.util.HashMap;
-
+//StateSignal类是一个响应结果构建器，它：
+//统一了 API 响应格式：所有接口返回包含状态码和消息的标准格式
 public class StateSignal {
+    // 存储响应数据的HashMap
     HashMap<String,Object> result = new HashMap<String,Object>();
-
+    /**
+     * 添加状态枚举中的键值对
+     * @param state 状态枚举对象
+     */
     public void put(State state){
         result.put(state.name,state.message);
     }
+    /**
+     * 添加自定义键值对
+     * @param name 键名
+     * @param val 值
+     */
     public void put(String name,Object val){
         result.put(name,val);
     }
+    /**
+     * 获取构建好的响应结果
+     * @return 包含响应数据的HashMap
+     */
     public HashMap<String, Object> getResult() {
         return result;
     }
diff --git a/src/main/java/com/jiudian/manage/until/TimeUtil.java b/src/main/java/com/jiudian/manage/until/TimeUtil.java
index 297015a..7fd05ef 100644
--- a/src/main/java/com/jiudian/manage/until/TimeUtil.java
+++ b/src/main/java/com/jiudian/manage/until/TimeUtil.java
@@ -8,12 +8,13 @@ import java.util.GregorianCalendar;
 
 public class TimeUtil {
     /**
-     * 获取两个时间段的天数从date2-date1
-     * @param date1
-     * @param date2
-     * @return
+     * 计算两个日期之间的天数差（date2 - date1）
+     * @param date1 开始日期字符串（格式：yyyy-MM-dd）
+     * @param date2 结束日期字符串（格式：yyyy-MM-dd）
+     * @return 两个日期之间的天数差
      */
     public static int getBetweenDay(String  date1, String date2) {
+        // 将字符串日期转换为Calendar对象
         Calendar d1 = new GregorianCalendar();
         d1.setTime(formatterTime(date1));
         Calendar d2 = new GregorianCalendar();
@@ -28,7 +29,11 @@ public class TimeUtil {
         }
         return days;
     }
-
+    /**
+     * 将字符串日期格式化为Date对象
+     * @param date 日期字符串（格式：yyyy-MM-dd）
+     * @return Date对象，如果格式错误返回null
+     */
     public static Date formatterTime(String date){
         SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
         Date newDate=null;
diff --git a/src/main/java/com/jiudian/manage/until/UUIDUtil.java b/src/main/java/com/jiudian/manage/until/UUIDUtil.java
index 86c892d..1be54e2 100644
--- a/src/main/java/com/jiudian/manage/until/UUIDUtil.java
+++ b/src/main/java/com/jiudian/manage/until/UUIDUtil.java
@@ -2,6 +2,10 @@ package com.jiudian.manage.until;
 
 import java.util.UUID;
 
+/**
+ * UUID工具类
+ * 提供生成短版UUID的功能，生成工号
+ */
 public class UUIDUtil {
     public static String[] chars = new String[] { "a", "b", "c", "d", "e", "f",
             "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s",
@@ -17,9 +21,13 @@ public class UUIDUtil {
     public static String generateShortUuid() {
         StringBuffer shortBuffer = new StringBuffer();
         String uuid = UUID.randomUUID().toString().replace("-", "");
+        // 将32位UUID转换为8位
         for (int i = 0; i < 8; i++) {
+            // 每4个字符为一组
             String str = uuid.substring(i * 4, i * 4 + 4);
+            // 转换为16进制整数
             int x = Integer.parseInt(str, 16);
+            // 取模62（字符集大小）得到索引
             shortBuffer.append(chars[x % 0x3E]);
         }
         return shortBuffer.toString();