diff --git a/src/main/java/jty/expressdistributionsystem/DTO/AddresseeDTO.java b/src/main/java/jty/expressdistributionsystem/DTO/AddresseeDTO.java
new file mode 100644
index 0000000..a8306b4
--- /dev/null
+++ b/src/main/java/jty/expressdistributionsystem/DTO/AddresseeDTO.java
@@ -0,0 +1,14 @@
+package jty.expressdistributionsystem.DTO;
+
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.NotNull;
+import lombok.Data;
+
+@Data
+public class AddresseeDTO {
+    @NotNull
+    private Long goodsId;
+
+    @NotBlank(message = "取件码不能为空")
+    private String claimCode;
+}
diff --git a/src/main/java/jty/expressdistributionsystem/DTO/GoodsDTO.java b/src/main/java/jty/expressdistributionsystem/DTO/GoodsDTO.java
new file mode 100644
index 0000000..5f8253b
--- /dev/null
+++ b/src/main/java/jty/expressdistributionsystem/DTO/GoodsDTO.java
@@ -0,0 +1,29 @@
+package jty.expressdistributionsystem.DTO;
+
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.NotNull;
+import lombok.Data;
+
+@Data
+public class GoodsDTO {
+    @NotBlank(message = "请选择快递公司")
+    private String company;
+
+    @JsonSerialize(using = ToStringSerializer.class)
+    @NotNull
+    private Long sendUserId;
+
+    @NotBlank(message = "收件人名字不能为空")
+    private String getUserName;
+
+    @NotBlank(message = "快递名称不能为空")
+    private String name;
+
+    @NotBlank(message = "快递重量不能为空")
+    private String quality;
+
+    @NotBlank(message = "运送地址不能为空")
+    private String address;
+}
diff --git a/src/main/java/jty/expressdistributionsystem/DTO/PickUpExpressDTO.java b/src/main/java/jty/expressdistributionsystem/DTO/PickUpExpressDTO.java
new file mode 100644
index 0000000..c72e7a9
--- /dev/null
+++ b/src/main/java/jty/expressdistributionsystem/DTO/PickUpExpressDTO.java
@@ -0,0 +1,16 @@
+package jty.expressdistributionsystem.DTO;
+
+import jakarta.validation.constraints.NotBlank;
+import lombok.Data;
+
+@Data
+public class PickUpExpressDTO {
+    @NotBlank(message = "收件人名字不能为空")
+    private String master;
+
+    @NotBlank(message = "快递码不能为空")
+    private String expressCode;
+
+    @NotBlank(message = "取件码不能为空")
+    private String claimCode;
+}
diff --git a/src/main/java/jty/expressdistributionsystem/controller/AdminController.java b/src/main/java/jty/expressdistributionsystem/controller/AdminController.java
index b353e00..8b60919 100644
--- a/src/main/java/jty/expressdistributionsystem/controller/AdminController.java
+++ b/src/main/java/jty/expressdistributionsystem/controller/AdminController.java
@@ -4,13 +4,12 @@ import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import jakarta.annotation.Resource;
 import jty.expressdistributionsystem.DTO.SendMessageDTO;
-import jty.expressdistributionsystem.config.MyMetaObjectHandler;
 import jty.expressdistributionsystem.entity.Message;
 import jty.expressdistributionsystem.entity.Result;
 import jty.expressdistributionsystem.entity.User;
 import jty.expressdistributionsystem.service.MessageService;
 import jty.expressdistributionsystem.service.UserService;
-import jty.expressdistributionsystem.utils.SendMessage;
+import jty.expressdistributionsystem.utils.SendMessageUtil;
 import org.springframework.web.bind.annotation.*;
 
 @RestController
@@ -62,7 +61,7 @@ public class AdminController {
     // 管理员发送消息
     @PostMapping("/sendMessage")
     public Result<String> sendMessage(@RequestBody SendMessageDTO sendMessageDTO) {
-        Message message =  SendMessage.sendMessage(sendMessageDTO);
+        Message message =  SendMessageUtil.sendMessage(sendMessageDTO);
         messageService.save(message);
         return new Result<>(200, "发送成功", "");
     }
diff --git a/src/main/java/jty/expressdistributionsystem/controller/UserController.java b/src/main/java/jty/expressdistributionsystem/controller/UserController.java
index 2f66c75..cf01613 100644
--- a/src/main/java/jty/expressdistributionsystem/controller/UserController.java
+++ b/src/main/java/jty/expressdistributionsystem/controller/UserController.java
@@ -1,155 +1,198 @@
 package jty.expressdistributionsystem.controller;
 
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
-import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import jakarta.annotation.Resource;
-import jty.expressdistributionsystem.DTO.UserLoginByAccountDTO;
-import jty.expressdistributionsystem.DTO.UserModifyInfoDTO;
-import jty.expressdistributionsystem.DTO.UserModifyPasswordDTO;
-import jty.expressdistributionsystem.entity.Result;
-import jty.expressdistributionsystem.entity.User;
-import jty.expressdistributionsystem.service.UserService;
+import jty.expressdistributionsystem.DTO.AddresseeDTO;
+import jty.expressdistributionsystem.DTO.GoodsDTO;
+import jty.expressdistributionsystem.DTO.PickUpExpressDTO;
+import jty.expressdistributionsystem.DTO.SendMessageDTO;
+import jty.expressdistributionsystem.entity.*;
+import jty.expressdistributionsystem.service.*;
+import jty.expressdistributionsystem.utils.ClaimCodeUtil;
+import jty.expressdistributionsystem.utils.ExpressCodeUtil;
 import jty.expressdistributionsystem.utils.GetIdUtil;
-import jty.expressdistributionsystem.utils.JwtUtil;
-import jty.expressdistributionsystem.utils.Md5Util;
-import jty.expressdistributionsystem.utils.ThreadLocalUtil;
-import lombok.extern.slf4j.Slf4j;
+import jty.expressdistributionsystem.utils.SendMessageUtil;
 import org.jetbrains.annotations.NotNull;
-import org.springframework.data.redis.core.StringRedisTemplate;
-import org.springframework.data.redis.core.ValueOperations;
 import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
 
-import java.time.LocalDateTime;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Optional;
-import java.util.concurrent.TimeUnit;
+import java.util.List;
 
 @RestController
 @RequestMapping("/user")
-@Slf4j
 public class UserController {
     @Resource
     private UserService userService;
 
     @Resource
-    private StringRedisTemplate stringRedisTemplate;
-
-    // 注册
-    @PostMapping("/register")
-    public Result<String> register(@RequestBody @Validated @NotNull User user) {
-        // 查找用户是否存在
-        QueryWrapper<User> queryWrapper = new QueryWrapper<>();
-        queryWrapper.eq("user_name", user.getUserName())
-                .or()
-                .eq("account", user.getAccount())
-                .or()
-                .eq("phone", user.getPhone());
-        User u = userService.getOne(queryWrapper);
-        if (u != null) {
-            return new Result<>(409, "账号或用户名或手机号已存在", "");
-        }
-        // 密码加密
-        user.setPassword(Md5Util.getMD5String(user.getPassword()));
-        // 用户数据入库
-        userService.save(user);
-        return new Result<>(200, "注册成功", "");
+    private MessageService messageService;
+
+    @Resource
+    private RecordsService recordsService;
+
+    @Resource
+    private CodeService codeService;
+
+    @Resource
+    private GoodsService goodsService;
+
+    @Resource
+    private AddressService addressService;
+
+    // 用户给快递员发消息
+    @PostMapping("/sendMessage")
+    public Result<String> sendMessage(@Validated @RequestBody SendMessageDTO sendMessageDTO) {
+        Message message = SendMessageUtil.sendMessage(sendMessageDTO);
+        messageService.save(message);
+        return new Result<>(200, "发送成功", "");
     }
 
-    // 通过账号登录
-    @PostMapping("/loginByAccount")
-    public Result<String> login(@RequestBody @Validated @NotNull UserLoginByAccountDTO userLoginByAccountDTO) {
-        // 查询用户是否存在
-        Optional<User> optionalUser = Optional.ofNullable(userService.getOne(new QueryWrapper<User>()
-                .eq("account", userLoginByAccountDTO.getAccount())));
-        if (optionalUser.isEmpty() || !Md5Util.getMD5String(userLoginByAccountDTO.getPassword()).equals(optionalUser.get().getPassword())) {
-            return new Result<>(401, "账号或者密码错误", "");
-        }
-        User user = optionalUser.get();
-        if(user.getDisabled() == 1){
-            return new Result<>(403, "该账号已被禁用, 请联系管理员", "");
-        }
-        user.setLoginTime(LocalDateTime.now());
-        userService.update(user, new UpdateWrapper<User>().eq("id", user.getId()));
-        // 校验通过
-        Map<String, Object> claims = new HashMap<>();
-        claims.put("id", user.getId());
-        claims.put("account", userLoginByAccountDTO.getAccount());
-        // 获取token
-        String token = JwtUtil.genToken(claims);
-        // 存放token到redis当中进行持久化存储
-        ValueOperations<String, String> stringStringValueOperations = stringRedisTemplate.opsForValue();
-        // 设置过期时间(1天)
-        stringStringValueOperations.set(token, token, 1, TimeUnit.DAYS);
-        // 返回token给前端
-        return new Result<>(200, "登录成功", token);
+    // 给快递员点赞
+    @PostMapping("/likes")
+    public Result<String> like(Long id) {
+        User employee = userService.getById(id);
+        employee.setLikes(employee.getLikes() + 1);
+        userService.save(employee);
+        return new Result<>(200, "点赞成功", "");
     }
 
-    // 修改个人信息
-    @PutMapping("/modify")
-    public Result<Object> modifyInfo(@RequestBody @Validated @NotNull UserModifyInfoDTO userModifyInfoDTO) {
-        // 获取登录用户id
+    // 用户查看自己的快递记录
+    @GetMapping("/history")
+    public Result<Page<Records>> getHistory(@RequestParam int page, @RequestParam int pageSize) {
+        if (page <= 0 || pageSize == 0) {
+            return new Result<>(400, "页码和每页大小必须大于0", null);
+        }
         Long id = GetIdUtil.getId();
-        User user = userService.getById(id);
-        // 检查phone和userName是否与当前用户信息一致
-        boolean isPhoneSame = user.getPhone().equals(userModifyInfoDTO.getPhone());
-        boolean isUserNameSame = user.getUserName().equals(userModifyInfoDTO.getUserName());
-        if (isPhoneSame && isUserNameSame) {
-            return new Result<>(400, "请修改您的信息", "");
+        Page<Records> pageInfo = new Page<>(page, pageSize);
+        LambdaQueryWrapper<Records> queryWrapper = new LambdaQueryWrapper<>();
+        queryWrapper.eq(Records::getSendUserId, id);
+        queryWrapper.orderByDesc(Records::getCreateTime);
+        recordsService.page(pageInfo, queryWrapper);
+        return new Result<>(200, "", pageInfo);
+    }
+
+    // 用户收件
+    @PostMapping("/addressee")
+    public Result<String> addressee(@Validated @RequestBody @NotNull AddresseeDTO addresseeDTO) {
+        Long goodsId = addresseeDTO.getGoodsId();
+        QueryWrapper<Code> queryWrapper = new QueryWrapper<>();
+        queryWrapper.eq("goods_id", goodsId);
+        Code code = codeService.getOne(queryWrapper);
+        // 判断取件码是否输入正确
+        if (!code.getClaim().equals(addresseeDTO.getClaimCode())) {
+            return new Result<>(401, "请输入正确的取件码", "");
         }
-        QueryWrapper<User> queryWrapper = new QueryWrapper<>();
-        if (!isPhoneSame) {
-            queryWrapper.eq("phone", userModifyInfoDTO.getPhone());
-            if (userService.getOne(queryWrapper) != null) {
-                return new Result<>(400, "该手机号已被注册", "");
-            }
-            user.setPhone(userModifyInfoDTO.getPhone());
+        QueryWrapper<Records> recordsQueryWrapper = new QueryWrapper<>();
+        recordsQueryWrapper.eq("goods_id", goodsId);
+        Records records = recordsService.getOne(recordsQueryWrapper);
+        records.setMark(1);
+        // 设置取件人
+        records.setAddresseeId(GetIdUtil.getId());
+        recordsService.save(records);
+        return new Result<>(200, "取件成功", "");
+    }
+
+    // 用户代取快递
+    @PostMapping("/pickUp")
+    public Result<String> pickUpExpress(@RequestBody @Validated @NotNull PickUpExpressDTO pickUpExpressDTO) {
+        // 查询快递原主人信息
+        QueryWrapper<User> userQueryWrapper = new QueryWrapper<>();
+        userQueryWrapper.eq("user_name", pickUpExpressDTO.getMaster());
+        User master = userService.getOne(userQueryWrapper);
+        if (master == null) {
+            return new Result<>(404, "该用户不存在", "");
         }
-        queryWrapper.clear();
-        if (!isUserNameSame) {
-            queryWrapper.eq("user_name", userModifyInfoDTO.getUserName());
-            if (userService.getOne(queryWrapper) != null) {
-                return new Result<>(400, "该用户名已被使用", "");
-            }
-            user.setUserName(userModifyInfoDTO.getUserName());
+        // 查询快递信息
+        QueryWrapper<Goods> goodsQueryWrapper = new QueryWrapper<>();
+        goodsQueryWrapper.eq("express_code", pickUpExpressDTO.getExpressCode());
+        Goods goods = goodsService.getOne(goodsQueryWrapper);
+        if (goods == null) {
+            return new Result<>(404, "快递不存在", "");
         }
-        user.setUpdateTime(null);
-        userService.updateById(user);
-        return new Result<>(200, "用户信息修改成功", user);
+        // 代取
+        QueryWrapper<Records> recordsQueryWrapper = new QueryWrapper<>();
+        recordsQueryWrapper.eq("goods_id", goods.getId());
+        Records records = recordsService.getOne(recordsQueryWrapper);
+        records.setMark(1);
+        records.setAddresseeId(GetIdUtil.getId());
+        recordsService.save(records);
+        return new Result<>(200, "待取成功", "");
     }
 
-    // 修改个人密码
-    @PutMapping("/rePassword")
-    public Result<String> modifyPassword(@RequestHeader("Authorization") String token,
-                                         @RequestBody @Validated @NotNull UserModifyPasswordDTO userModifyPasswordDTO) {
-        // 判断密码
-        if (userModifyPasswordDTO.getOldPassword().equals(userModifyPasswordDTO.getNewPassword())) {
-            return new Result<>(409, "新密码不得和旧密码一致", "");
-        }
-        if (!userModifyPasswordDTO.getNewPassword().equals(userModifyPasswordDTO.getReNewPassword())) {
-            return new Result<>(409, "两次输入密码不相同", "");
+    // 用户查看消息
+    @GetMapping("/getMessage")
+    public Result<Page<Message>> getMessage(@RequestParam int page, @RequestParam int pageSize) {
+        if (page <= 0 || pageSize == 0) {
+            return new Result<>(400, "页码和每页大小必须大于0", null);
         }
         Long id = GetIdUtil.getId();
-        User user = userService.getById(id);
-        if (!user.getIdentity().equals(userModifyPasswordDTO.getIdentity())) {
-            return new Result<>(409, "身份证有误", "");
-        }
-        user.setPassword(Md5Util.getMD5String(userModifyPasswordDTO.getNewPassword()));
-        user.setUpdateTime(null);
-        userService.updateById(user);
-        // 删除redis当中的token
-        stringRedisTemplate.delete(token);
-        // 删除当前线程的存储信息
-        ThreadLocalUtil.remove();
-        return new Result<>(200, "密码修改成功, 请重新登陆", "");
+        Page<Message> messagePage = new Page<>(page, pageSize);
+        LambdaQueryWrapper<Message> messageLambdaQueryWrapper = new LambdaQueryWrapper<>();
+        // 添加查询条件
+        messageLambdaQueryWrapper.eq(Message::getSendUserId, id);
+        // 排序条件：先按 mark 对应值排序，然后按时间排序
+        messageLambdaQueryWrapper.orderByDesc(Message::getMark) // mark 值大的排前面
+                .orderByDesc(Message::getCreateTime); // 时间新的排前面
+        messageService.page(messagePage, messageLambdaQueryWrapper);
+        return new Result<>(200, "获取成功", messagePage);
     }
 
-    // 获取个人信息
-    @GetMapping("/info")
-    public Result<User> getInfo() {
-        Long id = GetIdUtil.getId();
-        User user = userService.getById(id);
-        return new Result<>(200, "", user);
+    // 用户确认查看消息
+    @PostMapping("/confirmMessage")
+    public Result<String> confirmMessage(@RequestParam Long id) {
+        Records records = recordsService.getById(id);
+        records.setMark(0);
+        recordsService.save(records);
+        return new Result<>(200, "消息查看成功", "");
+    }
+
+    // 用户获取自己写过的地址
+    @GetMapping("/getAddress")
+    public Result<List<Address>> listAddress() {
+        LambdaQueryWrapper<Address> addressLambdaQueryWrapper = new LambdaQueryWrapper<>();
+        addressLambdaQueryWrapper.eq(Address::getUserId, GetIdUtil.getId())
+                .orderByDesc(Address::getAddress);
+        List<Address> list = addressService.list(addressLambdaQueryWrapper);
+        return new Result<>(200, "", list);
+    }
+
+    // 用户寄件
+    @PostMapping("/shipment")
+    public Result<String> shipmentExpress(@RequestBody @Validated @NotNull GoodsDTO goodsDTO) {
+        // 判断用户是否存在
+        LambdaQueryWrapper<User> userLambdaQueryWrapper = new LambdaQueryWrapper<>();
+        userLambdaQueryWrapper.eq(User::getUserName, goodsDTO.getGetUserName());
+        User getUser = userService.getOne(userLambdaQueryWrapper);
+        if(getUser == null) {
+            return new Result<>(404, "用户不存在", null);
+        }
+        // 生成快递码
+        String expressCode = ExpressCodeUtil.getExpressCode(goodsDTO.getCompany());
+        // 生成取件码
+        String claimCode = ClaimCodeUtil.getClaimCode(goodsDTO.getCompany());
+        Goods goods = new Goods();
+        goods.setSendUserId(GetIdUtil.getId());
+        goods.setGetUserId(getUser.getId());
+        goods.setExpressCode(expressCode);
+        goods.setName(goodsDTO.getName());
+        goods.setQuality(goodsDTO.getQuality());
+        goodsService.save(goods);
+        // 存进历史记录
+        Records records = new Records();
+        records.setSendUserId(GetIdUtil.getId());
+        records.setGetUserId(getUser.getId());
+        LambdaQueryWrapper<Address> addressLambdaQueryWrapper = new LambdaQueryWrapper<>();
+        addressLambdaQueryWrapper.eq(Address::getAddress, goodsDTO.getAddress());
+        Address address = addressService.getOne(addressLambdaQueryWrapper);
+        records.setAddresseeId(address.getId());
+        records.setGoodsId(goods.getId());
+        recordsService.save(records);
+        Code code = new Code();
+        code.setClaim(claimCode);
+        code.setGoodsId(goods.getId());
+        codeService.save(code);
+        return new Result<>(200, "寄件成功", "");
     }
 }
diff --git a/src/main/java/jty/expressdistributionsystem/entity/Goods.java b/src/main/java/jty/expressdistributionsystem/entity/Goods.java
index d503ef1..512bda3 100644
--- a/src/main/java/jty/expressdistributionsystem/entity/Goods.java
+++ b/src/main/java/jty/expressdistributionsystem/entity/Goods.java
@@ -30,7 +30,7 @@ public class Goods implements Serializable {
     @TableField("get_user_id")
     @JsonSerialize(using = ToStringSerializer.class)
     @NotNull
-    private String getUserId;
+    private Long getUserId;
 
     @TableField("express_code")
     @NotBlank(message = "快递码未生成, 请重新填写信息")
diff --git a/src/main/java/jty/expressdistributionsystem/entity/Records.java b/src/main/java/jty/expressdistributionsystem/entity/Records.java
index 0018a27..dd1107f 100644
--- a/src/main/java/jty/expressdistributionsystem/entity/Records.java
+++ b/src/main/java/jty/expressdistributionsystem/entity/Records.java
@@ -1,5 +1,6 @@
 package jty.expressdistributionsystem.entity;
 
+import com.baomidou.mybatisplus.annotation.FieldFill;
 import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
@@ -37,6 +38,13 @@ public class Records implements Serializable {
     @NotNull
     private Long goodsId;
 
-    @TableField("create_time")
+    @TableField("mark")
+    private Integer mark;
+
+    @TableField("addressee_id")
+    @JsonSerialize(using = ToStringSerializer.class)
+    private Long addresseeId;
+
+    @TableField(value = "create_time", fill = FieldFill.INSERT)
     private LocalDateTime createTime;
 }
diff --git a/src/main/java/jty/expressdistributionsystem/mapper/CodeMapper.java b/src/main/java/jty/expressdistributionsystem/mapper/CodeMapper.java
new file mode 100644
index 0000000..2ad692c
--- /dev/null
+++ b/src/main/java/jty/expressdistributionsystem/mapper/CodeMapper.java
@@ -0,0 +1,7 @@
+package jty.expressdistributionsystem.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import jty.expressdistributionsystem.entity.Code;
+
+public interface CodeMapper extends BaseMapper<Code> {
+}
diff --git a/src/main/java/jty/expressdistributionsystem/mapper/RecordsMapper.java b/src/main/java/jty/expressdistributionsystem/mapper/RecordsMapper.java
new file mode 100644
index 0000000..0237f20
--- /dev/null
+++ b/src/main/java/jty/expressdistributionsystem/mapper/RecordsMapper.java
@@ -0,0 +1,7 @@
+package jty.expressdistributionsystem.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import jty.expressdistributionsystem.entity.Records;
+
+public interface RecordsMapper extends BaseMapper<Records> {
+}
diff --git a/src/main/java/jty/expressdistributionsystem/service/CodeService.java b/src/main/java/jty/expressdistributionsystem/service/CodeService.java
new file mode 100644
index 0000000..73624a1
--- /dev/null
+++ b/src/main/java/jty/expressdistributionsystem/service/CodeService.java
@@ -0,0 +1,7 @@
+package jty.expressdistributionsystem.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import jty.expressdistributionsystem.entity.Code;
+
+public interface CodeService extends IService<Code> {
+}
diff --git a/src/main/java/jty/expressdistributionsystem/service/RecordsService.java b/src/main/java/jty/expressdistributionsystem/service/RecordsService.java
new file mode 100644
index 0000000..f0b02f4
--- /dev/null
+++ b/src/main/java/jty/expressdistributionsystem/service/RecordsService.java
@@ -0,0 +1,7 @@
+package jty.expressdistributionsystem.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import jty.expressdistributionsystem.entity.Records;
+
+public interface RecordsService extends IService<Records> {
+}
diff --git a/src/main/java/jty/expressdistributionsystem/service/impl/CodeServiceImpl.java b/src/main/java/jty/expressdistributionsystem/service/impl/CodeServiceImpl.java
new file mode 100644
index 0000000..72c9878
--- /dev/null
+++ b/src/main/java/jty/expressdistributionsystem/service/impl/CodeServiceImpl.java
@@ -0,0 +1,11 @@
+package jty.expressdistributionsystem.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import jty.expressdistributionsystem.entity.Code;
+import jty.expressdistributionsystem.mapper.CodeMapper;
+import jty.expressdistributionsystem.service.CodeService;
+import org.springframework.stereotype.Service;
+
+@Service
+public class CodeServiceImpl extends ServiceImpl<CodeMapper, Code> implements CodeService {
+}
diff --git a/src/main/java/jty/expressdistributionsystem/service/impl/RecordsServiceImpl.java b/src/main/java/jty/expressdistributionsystem/service/impl/RecordsServiceImpl.java
new file mode 100644
index 0000000..f80c25b
--- /dev/null
+++ b/src/main/java/jty/expressdistributionsystem/service/impl/RecordsServiceImpl.java
@@ -0,0 +1,11 @@
+package jty.expressdistributionsystem.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import jty.expressdistributionsystem.entity.Records;
+import jty.expressdistributionsystem.mapper.RecordsMapper;
+import jty.expressdistributionsystem.service.RecordsService;
+import org.springframework.stereotype.Service;
+
+@Service
+public class RecordsServiceImpl extends ServiceImpl<RecordsMapper, Records> implements RecordsService {
+}
diff --git a/src/main/java/jty/expressdistributionsystem/utils/ClaimCodeUtil.java b/src/main/java/jty/expressdistributionsystem/utils/ClaimCodeUtil.java
new file mode 100644
index 0000000..c0c758d
--- /dev/null
+++ b/src/main/java/jty/expressdistributionsystem/utils/ClaimCodeUtil.java
@@ -0,0 +1,19 @@
+package jty.expressdistributionsystem.utils;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.UUID;
+
+public class ClaimCodeUtil {
+    public static @NotNull String getClaimCode(String company) {
+        // 获取当前时间
+        SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");
+        String timeStamp = sdf.format(new Date());
+        // 生成唯一标识符
+        String uniqueId = UUID.randomUUID().toString().replace("-", "").substring(0, 6);
+        // 将公司名、时间戳和唯一ID组合成取件码
+        return company.toUpperCase() + timeStamp + uniqueId;
+    }
+}
diff --git a/src/main/java/jty/expressdistributionsystem/utils/ExpressCodeUtil.java b/src/main/java/jty/expressdistributionsystem/utils/ExpressCodeUtil.java
new file mode 100644
index 0000000..17b062e
--- /dev/null
+++ b/src/main/java/jty/expressdistributionsystem/utils/ExpressCodeUtil.java
@@ -0,0 +1,18 @@
+package jty.expressdistributionsystem.utils;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.UUID;
+
+public class ExpressCodeUtil {
+    public static @NotNull String getExpressCode(String company) {
+        SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");
+        String timeStamp = sdf.format(new Date());
+        // 生成唯一标识符
+        String uniqueId = UUID.randomUUID().toString().replace("-", "").substring(0, 8);
+        // 将公司名、时间戳和唯一ID组合成快递码
+        return company.toUpperCase() + timeStamp + uniqueId;
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/jty/expressdistributionsystem/utils/SendMessage.java b/src/main/java/jty/expressdistributionsystem/utils/SendMessageUtil.java
similarity index 94%
rename from src/main/java/jty/expressdistributionsystem/utils/SendMessage.java
rename to src/main/java/jty/expressdistributionsystem/utils/SendMessageUtil.java
index f0f3e94..ae0a40e 100644
--- a/src/main/java/jty/expressdistributionsystem/utils/SendMessage.java
+++ b/src/main/java/jty/expressdistributionsystem/utils/SendMessageUtil.java
@@ -4,7 +4,7 @@ import jty.expressdistributionsystem.DTO.SendMessageDTO;
 import jty.expressdistributionsystem.entity.Message;
 import org.jetbrains.annotations.NotNull;
 
-public class SendMessage {
+public class SendMessageUtil {
 
     public static Message sendMessage(@NotNull SendMessageDTO sendMessageDTO) {
         Long sendId = GetIdUtil.getId();