fix: user info api repeat call

src/contexts/AuthContext.tsx

@@ -1,4 +1,4 @@
-import { createContext, useContext, useMemo, ReactNode, useCallback, useEffect, useReducer } from 'react';
+import { createContext, useContext, useMemo, ReactNode, useCallback, useEffect, useReducer, useRef } from 'react';
 import { authService } from '../lib/authService';
 import { ApiErrorMessages } from '../types/api';
 import type { GoogleOAuthCallbackRequest, UserInfo } from '../types/api';
@@ -147,20 +147,25 @@ export function AuthProvider({ children }: { children: ReactNode }) {
     dispatch({ type: 'SIGN_OUT' });
   }, []);
 
-  useEffect(() => {
-    let cancelled = false;
-    let hasSynced = false;
+  const syncedTokenRef = useRef<string | null>(null);
 
-    const syncUserProfile = async () => {
+  useEffect(() => {
     const currentUser = state.user;
     const currentToken = state.token;
 
-      if (!currentUser || !currentToken || hasSynced) {
+    if (!currentUser || !currentToken) {
       return;
     }
 
-      hasSynced = true;
+    // 已经为当前 token 同步过，跳过（防止 StrictMode 双调用或 effect 重复执行）
+    if (syncedTokenRef.current === currentToken) {
+      return;
+    }
 
+    syncedTokenRef.current = currentToken;
+    let cancelled = false;
+
+    const syncUserProfile = async () => {
       try {
         const profile = await authService.getUserInfo();
         if (cancelled) {
@@ -175,6 +180,10 @@ export function AuthProvider({ children }: { children: ReactNode }) {
         });
       } catch {
         // Keep token-derived identity if profile sync fails.
+        if (!cancelled) {
+          // 请求失败时重置，允许下次挂载时重试
+          syncedTokenRef.current = null;
+        }
       }
     };