diff --git a/client-api/src/main/java/org/jiayunet/controller/UserManageController.java b/client-api/src/main/java/org/jiayunet/controller/UserManageController.java
new file mode 100644
index 0000000..5901e2f
--- /dev/null
+++ b/client-api/src/main/java/org/jiayunet/controller/UserManageController.java
@@ -0,0 +1,45 @@
+package org.jiayunet.controller;
+
+import lombok.AllArgsConstructor;
+import org.jiayunet.pojo.dto.user.UserInfoDto;
+import org.jiayunet.pojo.param.user.UserInfoParam;
+import org.jiayunet.service.UserManageService;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.*;
+
+/**
+ * 用户账号管理接口
+ *
+ * @author zk
+ */
+@RestController
+@RequestMapping("/user/manage")
+@AllArgsConstructor
+public class UserManageController {
+
+    private final UserManageService userManageService;
+
+    /**
+     * 查看个人信息
+     */
+    @GetMapping("/info")
+    public UserInfoDto getInfo() {
+        return userManageService.getInfo();
+    }
+
+    /**
+     * 修改个人信息
+     */
+    @PostMapping("/info")
+    public void updateInfo(@Validated @RequestBody UserInfoParam param) {
+        userManageService.updateInfo(param);
+    }
+
+    /**
+     * 注销账号
+     */
+    @PostMapping("/cancel")
+    public void cancelAccount() {
+        userManageService.cancelAccount();
+    }
+}
diff --git a/client-api/src/main/java/org/jiayunet/pojo/dto/user/UserInfoDto.java b/client-api/src/main/java/org/jiayunet/pojo/dto/user/UserInfoDto.java
new file mode 100644
index 0000000..0d71974
--- /dev/null
+++ b/client-api/src/main/java/org/jiayunet/pojo/dto/user/UserInfoDto.java
@@ -0,0 +1,34 @@
+package org.jiayunet.pojo.dto.user;
+
+import lombok.Data;
+
+import java.time.Instant;
+
+/**
+ * 用户个人信息DTO
+ *
+ * @author zk
+ */
+@Data
+public class UserInfoDto {
+    /** 用户ID */
+    private Long id;
+    /** 手机号 */
+    private String mobileNumber;
+    /** 邮箱 */
+    private String email;
+    /** 昵称 */
+    private String nick;
+    /** 真实姓名 */
+    private String realName;
+    /** 头像 */
+    private String picture;
+    /** 生日 */
+    private Instant birthday;
+    /** 性别 1男 2女 */
+    private Integer sex;
+    /** 邀请码 */
+    private String inviteCode;
+    /** 注册时间 */
+    private Instant createTime;
+}
diff --git a/client-api/src/main/java/org/jiayunet/pojo/param/user/UserInfoParam.java b/client-api/src/main/java/org/jiayunet/pojo/param/user/UserInfoParam.java
new file mode 100644
index 0000000..ca67ed1
--- /dev/null
+++ b/client-api/src/main/java/org/jiayunet/pojo/param/user/UserInfoParam.java
@@ -0,0 +1,24 @@
+package org.jiayunet.pojo.param.user;
+
+import lombok.Data;
+
+import java.time.Instant;
+
+/**
+ * 修改个人信息入参
+ *
+ * @author zk
+ */
+@Data
+public class UserInfoParam {
+    /** 昵称 */
+    private String nick;
+    /** 头像 */
+    private String picture;
+    /** 生日 */
+    private Instant birthday;
+    /** 性别 1男 2女 */
+    private Integer sex;
+    /** 真实姓名 */
+    private String realName;
+}
diff --git a/client-api/src/main/java/org/jiayunet/service/UserManageService.java b/client-api/src/main/java/org/jiayunet/service/UserManageService.java
new file mode 100644
index 0000000..7ad33fd
--- /dev/null
+++ b/client-api/src/main/java/org/jiayunet/service/UserManageService.java
@@ -0,0 +1,83 @@
+package org.jiayunet.service;
+
+import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
+import lombok.extern.slf4j.Slf4j;
+import org.jiayunet.constant.PreRedisKeyName;
+import org.jiayunet.mapper.UserMapper;
+import org.jiayunet.pojo.dto.user.UserInfoDto;
+import org.jiayunet.pojo.param.user.UserInfoParam;
+import org.jiayunet.pojo.po.User;
+import org.jiayunet.tool.UserSecurityTool;
+import org.jiayunet.tool.server.RedisServerTool;
+import org.springframework.beans.BeanUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.Assert;
+
+/**
+ * 用户账号管理服务
+ * <p>主要功能：查看个人信息、修改个人信息、注销账号</p>
+ * <p>使用表：bg_user（查询/更新/逻辑删除）</p>
+ * <p>使用Redis：login:token:{userId}（注销时清理登录态）</p>
+ *
+ * @author zk
+ */
+@Slf4j
+@Service
+public class UserManageService {
+
+    @Autowired
+    private UserMapper userMapper;
+
+    @Autowired
+    private RedisServerTool redisServerTool;
+
+    /**
+     * 查看个人信息
+     * <p>根据当前登录用户ID查询用户基本信息</p>
+     */
+    public UserInfoDto getInfo() {
+        Long userId = UserSecurityTool.getUserId();
+        User user = userMapper.selectById(userId);
+        Assert.notNull(user, "用户不存在");
+
+        UserInfoDto dto = new UserInfoDto();
+        BeanUtils.copyProperties(user, dto);
+        return dto;
+    }
+
+    /**
+     * 修改个人信息
+     * <p>仅更新非null字段</p>
+     */
+    public void updateInfo(UserInfoParam param) {
+        Long userId = UserSecurityTool.getUserId();
+        LambdaUpdateWrapper<User> wrapper = new LambdaUpdateWrapper<User>().eq(User::getId, userId);
+
+        if (param.getNick() != null) wrapper.set(User::getNick, param.getNick());
+        if (param.getPicture() != null) wrapper.set(User::getPicture, param.getPicture());
+        if (param.getBirthday() != null) wrapper.set(User::getBirthday, param.getBirthday());
+        if (param.getSex() != null) wrapper.set(User::getSex, param.getSex());
+        if (param.getRealName() != null) wrapper.set(User::getRealName, param.getRealName());
+
+        userMapper.update(null, wrapper);
+    }
+
+    /**
+     * 注销账号
+     * <p>1. 逻辑删除用户 2. 清理Redis登录态</p>
+     */
+    @Transactional(rollbackFor = Exception.class)
+    public void cancelAccount() {
+        Long userId = UserSecurityTool.getUserId();
+
+        // 逻辑删除
+        userMapper.deleteById(userId);
+
+        // 清理Redis登录态
+        redisServerTool.delete(PreRedisKeyName.LOGIN_TOKEN + userId);
+
+        log.info("用户注销账号 userId:{}", userId);
+    }
+}