diff --git a/muyu-common/pom.xml b/muyu-common/pom.xml
index 07d68ce..907c08f 100644
--- a/muyu-common/pom.xml
+++ b/muyu-common/pom.xml
@@ -77,18 +77,18 @@
             <artifactId>mysql-connector-java</artifactId>
             <version>8.0.33</version>
         </dependency>
+        <!-- Mybatis-plus 配置 -->
+        <dependency>
+            <groupId>com.baomidou</groupId>
+            <artifactId>mybatis-plus-boot-starter</artifactId>
+            <version>3.5.4.1</version>
+        </dependency>
         <!-- Mybatis 依赖配置 -->
         <dependency>
             <groupId>org.mybatis.spring.boot</groupId>
             <artifactId>mybatis-spring-boot-starter</artifactId>
             <version>2.2.2</version>
         </dependency>
-        <!-- Pagehelper -->
-        <dependency>
-            <groupId>com.github.pagehelper</groupId>
-            <artifactId>pagehelper-spring-boot-starter</artifactId>
-            <version>1.4.1</version>
-        </dependency>
         <!-- Hibernate Validator -->
         <dependency>
             <groupId>org.springframework.boot</groupId>
@@ -104,6 +104,13 @@
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
         </dependency>
+
+        <!-- SpringBoot 测试框架 -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+        </dependency>
+
     </dependencies>
 
 
diff --git a/muyu-common/src/main/java/com/muyu/common/config/MybatisPlusConfig.java b/muyu-common/src/main/java/com/muyu/common/config/MybatisPlusConfig.java
new file mode 100644
index 0000000..5a6ee89
--- /dev/null
+++ b/muyu-common/src/main/java/com/muyu/common/config/MybatisPlusConfig.java
@@ -0,0 +1,30 @@
+package com.muyu.common.config;
+
+import com.baomidou.mybatisplus.annotation.DbType;
+import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
+import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+/**
+ * @author DongZl
+ * @description: Mybatis-Plus配置
+ * @Date 2024-1-10 下午 05:12
+ */
+@Configuration
+public class MybatisPlusConfig {
+
+    public MybatisPlusConfig () {
+        System.out.println("初始化-----------");
+    }
+
+    /**
+     * 添加分页插件
+     */
+    @Bean
+    public MybatisPlusInterceptor mybatisPlusInterceptor() {
+        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
+        interceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.MYSQL));
+        return interceptor;
+    }
+}
diff --git a/muyu-common/src/main/java/com/muyu/common/domain/UserInfo.java b/muyu-common/src/main/java/com/muyu/common/domain/UserInfo.java
new file mode 100644
index 0000000..00b55eb
--- /dev/null
+++ b/muyu-common/src/main/java/com/muyu/common/domain/UserInfo.java
@@ -0,0 +1,55 @@
+package com.muyu.common.domain;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.muyu.common.domain.request.user.UserAddReq;
+import com.muyu.common.utils.IdUtils;
+import com.muyu.common.utils.SecurityUtils;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * @author DongZl
+ * @description: 用户信息
+ * @Date 2024-1-10 下午 03:35
+ */
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+@TableName(value = "user_info")
+public class UserInfo {
+
+    /**
+     * 主键
+     */
+    @TableId(type = IdType.AUTO)
+    private Long id;
+    /**
+     * 用户名
+     */
+    @TableField(value = "user_name")
+    private String userName;
+    /**
+     * 密码
+     */
+    private String password;
+    /**
+     * 盐
+     */
+    private String salt;
+
+    public static UserInfo addBuild (UserAddReq userAddReq) {
+        String salt = IdUtils.genId();
+        String passwordSalt = SecurityUtils.encryptPassword(userAddReq.getPassword(), salt);
+        return UserInfo.builder()
+                .userName(userAddReq.getUserName())
+                .password(passwordSalt)
+                .salt(salt)
+                .build();
+    }
+}
diff --git a/muyu-common/src/main/java/com/muyu/common/domain/request/user/UserAddReq.java b/muyu-common/src/main/java/com/muyu/common/domain/request/user/UserAddReq.java
new file mode 100644
index 0000000..a8c17b5
--- /dev/null
+++ b/muyu-common/src/main/java/com/muyu/common/domain/request/user/UserAddReq.java
@@ -0,0 +1,32 @@
+package com.muyu.common.domain.request.user;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import org.hibernate.validator.constraints.Length;
+
+import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.NotEmpty;
+import javax.validation.constraints.NotNull;
+import javax.validation.constraints.Pattern;
+
+/**
+ * @author DongZl
+ * @description: 用户添加请求对象
+ * @Date 2024-1-10 下午 08:02
+ */
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class UserAddReq {
+
+    @NotEmpty(message = "用户名称不可为空")
+    @Pattern(regexp = "(?=.*[A-Za-z]\\d).{6,16}$", message = "用户名称不合法，因为6-16位的大小写英文和数字组成")
+    private String userName;
+
+    @NotEmpty(message = "用户密码不可为空")
+    @Pattern(regexp = "(?=.*[A-Za-z]\\d).{8,16}$", message = "用户密码不合法，因为8-16位的大小写英文和数字组成")
+    private String password;
+}
diff --git a/muyu-common/src/main/java/com/muyu/common/handler/GlobalExceptionHandler.java b/muyu-common/src/main/java/com/muyu/common/handler/GlobalExceptionHandler.java
new file mode 100644
index 0000000..0205af9
--- /dev/null
+++ b/muyu-common/src/main/java/com/muyu/common/handler/GlobalExceptionHandler.java
@@ -0,0 +1,31 @@
+package com.muyu.common.handler;
+
+import com.alibaba.fastjson.JSONObject;
+import com.muyu.common.result.Result;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.validation.ObjectError;
+import org.springframework.web.bind.MethodArgumentNotValidException;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+
+/**
+ * @author DongZl
+ * @description: 全局异常处理
+ * @Date 2024-1-10 下午 08:49
+ */
+@RestControllerAdvice
+@Configuration
+public class GlobalExceptionHandler {
+
+    @ExceptionHandler(value = MethodArgumentNotValidException.class)
+    public Result<String> runtimeException (MethodArgumentNotValidException exception) {
+        return Result.error(
+                JSONObject.toJSONString(
+                        exception.getBindingResult().getAllErrors()
+                                .stream()
+                                .map(ObjectError::getDefaultMessage)
+                                .toList()
+                )
+        );
+    }
+}
diff --git a/muyu-common/src/main/java/com/muyu/common/utils/IdUtils.java b/muyu-common/src/main/java/com/muyu/common/utils/IdUtils.java
new file mode 100644
index 0000000..b2a0487
--- /dev/null
+++ b/muyu-common/src/main/java/com/muyu/common/utils/IdUtils.java
@@ -0,0 +1,19 @@
+package com.muyu.common.utils;
+
+import java.util.UUID;
+
+/**
+ * @author DongZl
+ * @description: ID生成工具类
+ * @Date 2024-1-10 下午 08:26
+ */
+public class IdUtils {
+
+    /**
+     * 生成UUID
+     * @return UUID
+     */
+    public static String genId(){
+        return UUID.randomUUID().toString().replace("-", "");
+    }
+}
diff --git a/muyu-common/src/main/java/com/muyu/common/utils/SecurityUtils.java b/muyu-common/src/main/java/com/muyu/common/utils/SecurityUtils.java
new file mode 100644
index 0000000..a946ec5
--- /dev/null
+++ b/muyu-common/src/main/java/com/muyu/common/utils/SecurityUtils.java
@@ -0,0 +1,54 @@
+package com.muyu.common.utils;
+
+
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.util.Base64;
+
+/**
+ * 安全服务工具类
+ *
+ * @author ruoyi
+ */
+public class SecurityUtils {
+
+
+    /**
+     * 生成BCryptPasswordEncoder密码
+     *
+     * @param password 密码
+     *
+     * @return 加密字符串
+     */
+    public static String encryptPassword (String password, String salt) {
+        return encryptMD5(password, salt);
+    }
+
+    /**
+     * 判断密码是否相同
+     *
+     * @param rawPassword     真实密码
+     * @param encodedPassword 加密后字符
+     *
+     * @return 结果
+     */
+    public static boolean matchesPassword (String rawPassword, String salt, String encodedPassword) {
+        return encryptMD5(rawPassword, salt).equals(encodedPassword);
+    }
+
+    /**
+     * 计算字符串的MD5加密值，并返回Base64编码的字符串。
+     * @param password 要加密的字符串
+     * @return 加密后的Base64编码字符串
+     */
+    public static String encryptMD5(String password, String salt) {
+        try {
+            MessageDigest md = MessageDigest.getInstance("MD5");
+            md.update((password + salt).getBytes()); // 加盐处理
+            byte[] digest = md.digest();
+            return Base64.getEncoder().encodeToString(digest);
+        } catch (NoSuchAlgorithmException e) {
+            throw new RuntimeException(e);
+        }
+    }
+}
diff --git a/muyu-modules/muyu-system/src/main/java/com/muyu/system/SystemApplication.java b/muyu-modules/muyu-system/src/main/java/com/muyu/system/SystemApplication.java
index cb4f21d..cb4b246 100644
--- a/muyu-modules/muyu-system/src/main/java/com/muyu/system/SystemApplication.java
+++ b/muyu-modules/muyu-system/src/main/java/com/muyu/system/SystemApplication.java
@@ -1,9 +1,13 @@
 package com.muyu.system;
 
+import com.muyu.common.config.MybatisPlusConfig;
+import com.muyu.common.handler.GlobalExceptionHandler;
+import org.mybatis.spring.annotation.MapperScan;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
 import org.springframework.cloud.openfeign.EnableFeignClients;
+import org.springframework.context.annotation.Import;
 
 /**
  * @author DongZl
@@ -12,6 +16,8 @@ import org.springframework.cloud.openfeign.EnableFeignClients;
 @SpringBootApplication
 @EnableFeignClients( basePackages = {"com.muyu.**"})
 @EnableDiscoveryClient
+@MapperScan("com.muyu.system.mapper")
+@Import({MybatisPlusConfig.class, GlobalExceptionHandler.class})
 public class SystemApplication {
     public static void main(String[] args) {
         SpringApplication.run(SystemApplication.class);
diff --git a/muyu-modules/muyu-system/src/main/java/com/muyu/system/controller/UserInfoController.java b/muyu-modules/muyu-system/src/main/java/com/muyu/system/controller/UserInfoController.java
new file mode 100644
index 0000000..b2ff906
--- /dev/null
+++ b/muyu-modules/muyu-system/src/main/java/com/muyu/system/controller/UserInfoController.java
@@ -0,0 +1,37 @@
+package com.muyu.system.controller;
+
+import com.muyu.common.domain.UserInfo;
+import com.muyu.common.domain.request.user.UserAddReq;
+import com.muyu.common.result.Result;
+import com.muyu.system.service.UserInfoService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * @author DongZl
+ * @description: 用户控制层
+ * @Date 2024-1-10 下午 07:57
+ */
+@RestController
+@RequestMapping("/user")
+public class UserInfoController {
+
+    @Autowired
+    private UserInfoService userInfoService;
+
+    /**
+     * 添加用户
+     * @return
+     */
+    @PostMapping()
+    public Result<String> add(@RequestBody @Validated UserAddReq userAddReq){
+        userInfoService.save(
+                UserInfo.addBuild(userAddReq)
+        );
+        return Result.success();
+    }
+}
diff --git a/muyu-modules/muyu-system/src/main/java/com/muyu/system/mapper/UserInfoMapper.java b/muyu-modules/muyu-system/src/main/java/com/muyu/system/mapper/UserInfoMapper.java
new file mode 100644
index 0000000..e4f4557
--- /dev/null
+++ b/muyu-modules/muyu-system/src/main/java/com/muyu/system/mapper/UserInfoMapper.java
@@ -0,0 +1,15 @@
+package com.muyu.system.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.muyu.common.domain.UserInfo;
+
+import java.util.List;
+
+/**
+ * @author DongZl
+ * @description: 用户信息plus持久层
+ * @Date 2024-1-10 下午 04:57
+ */
+public interface UserInfoMapper extends BaseMapper<UserInfo> {
+
+}
diff --git a/muyu-modules/muyu-system/src/main/java/com/muyu/system/service/UserInfoService.java b/muyu-modules/muyu-system/src/main/java/com/muyu/system/service/UserInfoService.java
new file mode 100644
index 0000000..7cc316f
--- /dev/null
+++ b/muyu-modules/muyu-system/src/main/java/com/muyu/system/service/UserInfoService.java
@@ -0,0 +1,12 @@
+package com.muyu.system.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.muyu.common.domain.UserInfo;
+
+/**
+ * @author DongZl
+ * @description: 用户业务层
+ * @Date 2024-1-10 下午 07:41
+ */
+public interface UserInfoService extends IService<UserInfo> {
+}
diff --git a/muyu-modules/muyu-system/src/main/java/com/muyu/system/service/UserInfoServiceImpl.java b/muyu-modules/muyu-system/src/main/java/com/muyu/system/service/UserInfoServiceImpl.java
new file mode 100644
index 0000000..68b7d8b
--- /dev/null
+++ b/muyu-modules/muyu-system/src/main/java/com/muyu/system/service/UserInfoServiceImpl.java
@@ -0,0 +1,17 @@
+package com.muyu.system.service;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.muyu.common.domain.UserInfo;
+import com.muyu.system.mapper.UserInfoMapper;
+import org.springframework.stereotype.Service;
+
+/**
+ * @author DongZl
+ * @description: 用户业务实现类
+ * @Date 2024-1-10 下午 07:42
+ */
+@Service
+public class UserInfoServiceImpl extends ServiceImpl<UserInfoMapper, UserInfo>
+        implements UserInfoService {
+
+}
diff --git a/muyu-modules/muyu-system/src/main/resources/mapper/UserInfoMapper.xml b/muyu-modules/muyu-system/src/main/resources/mapper/UserInfoMapper.xml
new file mode 100644
index 0000000..dd4cd7e
--- /dev/null
+++ b/muyu-modules/muyu-system/src/main/resources/mapper/UserInfoMapper.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.muyu.system.mapper.UserInfoMapper">
+
+</mapper>
+
diff --git a/muyu-modules/muyu-system/src/test/java/com/muyu/test/UserInfoTest.java b/muyu-modules/muyu-system/src/test/java/com/muyu/test/UserInfoTest.java
new file mode 100644
index 0000000..a56e092
--- /dev/null
+++ b/muyu-modules/muyu-system/src/test/java/com/muyu/test/UserInfoTest.java
@@ -0,0 +1,54 @@
+package com.muyu.test;
+
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.muyu.common.domain.UserInfo;
+import com.muyu.system.SystemApplication;
+import com.muyu.system.mapper.UserInfoMapper;
+import com.muyu.system.service.UserInfoService;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+
+import java.util.List;
+
+/**
+ * @author DongZl
+ * @description: 用户测试
+ * @Date 2024-1-10 下午 03:40
+ */
+@SpringBootTest(classes = SystemApplication.class)
+public class UserInfoTest {
+
+    @Autowired
+    private UserInfoMapper userInfoMapper;
+
+    @Autowired
+    private UserInfoService userInfoService;
+
+    @Test
+    public void userInfoSave(){
+        userInfoMapper.insert(UserInfo.builder()
+                .userName("张三5")
+                .password("123456")
+                .salt("1245")
+                .build());
+
+    }
+
+    @Test
+    public void userInfoListTest(){
+        IPage<UserInfo> page = new Page<>(1,2);
+        LambdaQueryWrapper<UserInfo> userInfoQuery = new LambdaQueryWrapper<>();
+        userInfoQuery.like(UserInfo::getUserName, "张三");
+        userInfoQuery.gt(UserInfo::getId, 5);
+        List<UserInfo> userInfoList = userInfoMapper.selectList(page, userInfoQuery);
+        System.out.println(page.getTotal());
+        System.out.println(userInfoList);
+    }
+    @Test
+    public void userInfoGetOneTest(){
+//        userInfoPlusMapper.selecoid
+    }
+}