feat: 处理语法校验

nkebao/src/pages/wechat-accounts/WechatAccountDetail.tsx

@@ -12,12 +12,8 @@ import {
   Info, 
   UserPlus, 
   Search, 
-  Filter,
-  Tag, 
   ChevronRight, 
-  Loader2,
-  AlertCircle,
-  ArrowRightLeft
+  Loader2
 } from 'lucide-react';
 import { useWechatAccount } from '@/contexts/WechatAccountContext';
 import { fetchWechatAccountSummary, fetchWechatFriends, fetchWechatFriendDetail } from '@/api/wechat-accounts';
@@ -106,7 +102,6 @@ export default function WechatAccountDetail() {
   const [isFriendsEmpty, setIsFriendsEmpty] = useState(false);
   const friendsObserver = useRef<IntersectionObserver | null>(null);
   const friendsLoadingRef = useRef<HTMLDivElement | null>(null);
-  const friendsContainerRef = useRef<HTMLDivElement | null>(null);
 
   // 如果没有账号数据，返回上一页
   useEffect(() => {