From e36195279a3629e66d09dc06caa4cd481b6c4457 Mon Sep 17 00:00:00 2001
From: H1d3rOne <H1d3rOne@users.noreply.github.com>
Date: Tue, 10 Mar 2026 17:52:31 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E8=80=81=E7=94=A8=E6=88=B7=E7=99=BB?=
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- loginOrRegister方法：老用户直接返回，不更新用户名和头像
- 只有新用户才使用微信传入的用户名和头像
- 保证用户修改后的信息不会被覆盖
---
 src/main/java/xuan/service/UserInfoService.java | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/main/java/xuan/service/UserInfoService.java b/src/main/java/xuan/service/UserInfoService.java
index 6dcb1fb..3c7dd5f 100644
--- a/src/main/java/xuan/service/UserInfoService.java
+++ b/src/main/java/xuan/service/UserInfoService.java
@@ -25,11 +25,11 @@ public class UserInfoService {
     public UserInfo loginOrRegister(String openId, String username, String avatarUrl) {
         UserInfo user = userInfoRepository.findByOpenId(openId);
         if (user != null) {
-            user.setUsername(username);
-            user.setAvatarUrl(avatarUrl);
-            return userInfoRepository.save(user);
+            // 用户已存在，不更新用户名和头像，直接返回
+            return user;
         }
         
+        // 新用户才创建
         user = new UserInfo();
         user.setOpenId(openId);
         user.setUsername(username);