diff --git a/frontend/src/lib/api.ts b/frontend/src/lib/api.ts
index 21e6918..960b076 100644
--- a/frontend/src/lib/api.ts
+++ b/frontend/src/lib/api.ts
@@ -116,7 +116,7 @@ async function request<T>(
     }
 
     return { data: body as T, status };
-  } catch (err) {
+  } catch {
     return {
       error: { code: "NETWORK_ERROR", message: "网络连接失败，请检查网络" },
       status: 0,
diff --git a/frontend/src/lib/auth.tsx b/frontend/src/lib/auth.tsx
index 6c8f51c..733175c 100644
--- a/frontend/src/lib/auth.tsx
+++ b/frontend/src/lib/auth.tsx
@@ -109,20 +109,14 @@ export function AuthProvider({ children }: { children: ReactNode }) {
     [clearRefreshTimer, persistAuth]
   );
 
-  // 用 ref 保存最新回调，供 API 层 401 拦截器使用（避免闭包陈旧）
-  const persistAuthRef = useRef(persistAuth);
-  const scheduleRefreshRef = useRef(scheduleRefresh);
-  persistAuthRef.current = persistAuth;
-  scheduleRefreshRef.current = scheduleRefresh;
-
   // 注册 API 层认证回调（用于 401 拦截器）
   useEffect(() => {
     setAuthCallbacks({
       getAccessToken: () => loadAccessToken(),
       getRefreshToken: () => loadRefreshToken(),
       onRefreshSuccess: (u, at, rt) => {
-        persistAuthRef.current(u, at, rt);
-        scheduleRefreshRef.current(at);
+        persistAuth(u, at, rt);
+        scheduleRefresh(at);
       },
       onRefreshFailed: () => {
         clearAuth();
@@ -130,7 +124,7 @@ export function AuthProvider({ children }: { children: ReactNode }) {
         setAccessToken(null);
       },
     });
-  }, []); // eslint-disable-line react-hooks/exhaustive-deps
+  }, [persistAuth, scheduleRefresh]);
 
   // 初始化：检查已有 token 并尝试刷新
   useEffect(() => {