默认排序改为升序

Co-Authored-By: Claude <noreply@anthropic.com>

src/routes/sectors.tsx

@@ -42,7 +42,7 @@ function SectorsPage() {
   const queryClient = useQueryClient();
   const [tab, setTab] = useState<SectorType>("industry");
   const [sortKey, setSortKey] = useState<SortKey>("mainNetInflow");
-  const [asc, setAsc] = useState(false); // 默认降序
+  const [asc, setAsc] = useState(true); // 默认升序
 
   // ── 行业 / 概念各自独立 Query，缓存完全隔离 ──
   const industryQ = useQuery({
@@ -102,7 +102,7 @@ function SectorsPage() {
       setAsc((v) => !v);
     } else {
       setSortKey(key);
-      setAsc(false); // 切新维度默认降序
+      setAsc(true); // 切新维度默认升序
     }
   };