fix(auth): prevent unauthorized requests and improve logout handling

src/hooks/setting-hooks.ts

@@ -18,7 +18,11 @@ export function useProfileSetting() {
   const { fetchUserInfo, userInfo } = useUserData();
 
   useEffect(() => {
-    fetchUserInfo();
+    // 仅在已登录情况下才获取用户信息，避免登录页触发401导致重复跳转
+    const authorization = localStorage.getItem('Authorization');
+    if (authorization && authorization !== '') {
+      fetchUserInfo();
+    }
   }, [fetchUserInfo]);
 
   const updateUserInfo = async (newUserInfo: Partial<IUserInfo>) => {
@@ -58,6 +62,12 @@ export function useLanguageSetting() {
     try {
       // LanguageAbbreviation to language
       const translatedLanguage = LanguageAbbreviationKeysMap[language];
+      const authorization = localStorage.getItem('Authorization');
+      // 未登录时仅本地切换语言，不请求后端，避免401导致跳转
+      if (!authorization || authorization === '') {
+        setLanguage(translatedLanguage);
+        return;
+      }
       await updateUserInfo({ language: translatedLanguage });
       setLanguage(translatedLanguage);
     } catch (error) {