diff --git a/src/main/java/com/bao/dating/controller/UserController.java b/src/main/java/com/bao/dating/controller/UserController.java
index 781c1da..01020f9 100644
--- a/src/main/java/com/bao/dating/controller/UserController.java
+++ b/src/main/java/com/bao/dating/controller/UserController.java
@@ -4,6 +4,7 @@ import com.bao.dating.anno.Log;
 import com.bao.dating.common.Result;
 import com.bao.dating.common.ResultCode;
 import com.bao.dating.context.UserContext;
+import com.bao.dating.pojo.dto.UserInfoUpdateDTO;
 import com.bao.dating.pojo.dto.UserLoginDTO;
 import com.bao.dating.pojo.dto.UserInfoDTO;
 import com.bao.dating.pojo.vo.UserInfoVO;
diff --git a/src/main/java/com/bao/dating/pojo/dto/UserInfoUpdateDTO.java b/src/main/java/com/bao/dating/pojo/dto/UserInfoUpdateDTO.java
new file mode 100644
index 0000000..97dd6e9
--- /dev/null
+++ b/src/main/java/com/bao/dating/pojo/dto/UserInfoUpdateDTO.java
@@ -0,0 +1,25 @@
+package com.bao.dating.pojo.dto;
+
+import lombok.Data;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.util.List;
+
+/**
+ * 用户信息更新数据传输对象
+ * @author KilLze
+ */
+@Data
+public class UserInfoUpdateDTO {
+    private Long userId;
+    private String userName;
+    private String nickname;
+    private String avatarUrl;
+    private String backgroundUrl;
+    private Integer gender;
+    private LocalDate birthday;
+    private List<String> hobbies;
+    private String signature;
+    private LocalDateTime updatedAt;
+}
diff --git a/src/main/java/com/bao/dating/service/UserService.java b/src/main/java/com/bao/dating/service/UserService.java
index 9881b4c..8e29b05 100644
--- a/src/main/java/com/bao/dating/service/UserService.java
+++ b/src/main/java/com/bao/dating/service/UserService.java
@@ -1,6 +1,7 @@
 package com.bao.dating.service;
 
 import com.bao.dating.pojo.dto.UserInfoDTO;
+import com.bao.dating.pojo.dto.UserInfoUpdateDTO;
 import com.bao.dating.pojo.dto.UserLoginDTO;
 import com.bao.dating.pojo.entity.User;
 import com.bao.dating.pojo.vo.UserInfoVO;
diff --git a/src/main/java/com/bao/dating/service/impl/UserServiceImpl.java b/src/main/java/com/bao/dating/service/impl/UserServiceImpl.java
index 0c892ce..5437ad3 100644
--- a/src/main/java/com/bao/dating/service/impl/UserServiceImpl.java
+++ b/src/main/java/com/bao/dating/service/impl/UserServiceImpl.java
@@ -11,6 +11,7 @@ import com.bao.dating.common.result.GreenAuditResult;
 import com.bao.dating.config.RedisConfig;
 import com.bao.dating.context.UserContext;
 import com.bao.dating.mapper.UserMapper;
+import com.bao.dating.pojo.dto.UserInfoDTO;
 import com.bao.dating.pojo.dto.UserInfoUpdateDTO;
 import com.bao.dating.pojo.dto.UserLoginDTO;
 import com.bao.dating.pojo.entity.User;
@@ -241,6 +242,94 @@ public class UserServiceImpl implements UserService {
         }
     }
 
+
+    /**
+     * 更新用户信息
+     * @param userInfoUpdateDTO
+     * @return
+     */
+    @Override
+    public UserInfoVO updateUserInfo(UserInfoUpdateDTO userInfoUpdateDTO) {
+        Long userId = userInfoUpdateDTO.getUserId();
+        User user = userMapper.selectByUserId(userId);
+        if (user == null) {
+            throw new RuntimeException("用户不存在");
+        }
+
+        // 将需要审核的内容合并成一个文本，用于减少调用次数
+        StringBuilder textBuilder = new StringBuilder();
+
+        if (userInfoUpdateDTO.getNickname() != null && !userInfoUpdateDTO.getNickname().isEmpty()) {
+            textBuilder.append(userInfoUpdateDTO.getNickname()).append(" ");
+        }
+        if (userInfoUpdateDTO.getHobbies() != null && !userInfoUpdateDTO.getHobbies().isEmpty()) {
+            // 将爱好列表转换为字符串，用空格分隔
+            String hobbiesStr = String.join(" ", userInfoUpdateDTO.getHobbies());
+            textBuilder.append(hobbiesStr).append(" ");
+        }
+        if (userInfoUpdateDTO.getSignature() != null && !userInfoUpdateDTO.getSignature().isEmpty()) {
+            textBuilder.append(userInfoUpdateDTO.getSignature()).append(" ");
+        }
+        // 文本审核
+        if (textBuilder.length() > 0) {
+            Map textResult;
+            try {
+                textResult = greenTextScan.greeTextScan(textBuilder.toString());
+            } catch (Exception e) {
+                throw new RuntimeException("用户信息文本审核失败");
+            }
+
+            String suggestion = (String) textResult.get("suggestion");
+
+            if (GreenAuditResult.BLOCK.equals(suggestion)) {
+                throw new RuntimeException("用户信息包含违规内容，修改失败");
+            }
+            if (GreenAuditResult.REVIEW.equals(suggestion)) {
+                throw new RuntimeException("用户信息需要人工审核，暂无法修改");
+            }
+        }
+
+        // 图片审核
+        List<String> imageKeys = new ArrayList<>();
+        if (userInfoUpdateDTO.getAvatarUrl() != null && !userInfoUpdateDTO.getAvatarUrl().isEmpty()) {
+            imageKeys.add(userInfoUpdateDTO.getAvatarUrl());
+        }
+        if (userInfoUpdateDTO.getBackgroundUrl() != null && !userInfoUpdateDTO.getBackgroundUrl().isEmpty()) {
+            imageKeys.add(userInfoUpdateDTO.getBackgroundUrl());
+        }
+        if (!imageKeys.isEmpty()) {
+            Map imageResult;
+            try {
+                imageResult = greenImageScan.imageScan(imageKeys);
+            } catch (Exception e) {
+                throw new RuntimeException("用户图片审核失败");
+            }
+
+            String suggestion = (String) imageResult.get("suggestion");
+
+            if (GreenAuditResult.BLOCK.equals(suggestion)) {
+                throw new RuntimeException("头像或背景图不合规，修改失败");
+            }
+            if (GreenAuditResult.REVIEW.equals(suggestion)) {
+                throw new RuntimeException("头像或背景图需要人工审核，暂无法修改");
+            }
+        }
+        // 默认昵称兜底
+        if (userInfoUpdateDTO.getNickname() == null || userInfoUpdateDTO.getNickname().trim().isEmpty()) {
+            userInfoUpdateDTO.setNickname(user.getUserName());
+        }
+        userInfoUpdateDTO.setUpdatedAt(LocalDateTime.now());
+
+        // 更新数据库
+        userMapper.updateUserInfoByUserId(userInfoUpdateDTO);
+
+        // 封装返回结果
+        User updatedUser = userMapper.selectByUserId(userInfoUpdateDTO.getUserId());
+        UserInfoVO userInfoVO = new UserInfoVO();
+        BeanUtils.copyProperties(updatedUser, userInfoVO);
+        return userInfoVO;
+    }
+
     /**
      * 更新用户信息
      *