diff --git a/src/routes/sectors.tsx b/src/routes/sectors.tsx
index 9d3db24..1557a80 100644
--- a/src/routes/sectors.tsx
+++ b/src/routes/sectors.tsx
@@ -1,29 +1,28 @@
 import { createFileRoute, Link } from "@tanstack/react-router";
-import { useState, useMemo } from "react";
+import { useMemo, useState } from "react";
 import { useQuery } from "@tanstack/react-query";
 import { fetchSectors, type SectorItem, type SectorType } from "@/lib/stock-api";
 import { Card, CardContent } from "@/components/ui/card";
-import { ArrowLeft, TrendingUp, TrendingDown, RefreshCw } from "lucide-react";
+import { ArrowLeft, RefreshCw, ArrowDown, ArrowUp, TrendingUp, TrendingDown } from "lucide-react";
 
 export const Route = createFileRoute("/sectors")({
   component: SectorsPage,
 });
 
-/* ── Tab 定义 ── */
+/* ── Tabs：行业 / 概念 ── */
 const TABS: { key: SectorType; label: string }[] = [
-  { key: "industry", label: "行业板块" },
-  { key: "concept", label: "概念板块" },
+  { key: "industry", label: "行业" },
+  { key: "concept", label: "概念" },
 ];
 
-type SortMode = "mainNetInflow" | "changePercent";
+/* ── 排序维度 ── */
+type SortKey = "mainNetInflow" | "changePercent";
 
-/* ── 页面组件 ── */
 function SectorsPage() {
   const [tab, setTab] = useState<SectorType>("industry");
-  const [sort, setSort] = useState<SortMode>("mainNetInflow");
+  const [sortKey, setSortKey] = useState<SortKey>("mainNetInflow");
+  const [asc, setAsc] = useState(false);
 
-  // 使用 useQuery：queryKey 包含 tab，切换 tab 时 queryKey 变化
-  // React Query 自动隔离 industry / concept 的数据，不会混用
   const { data = [], isLoading, isFetching, refetch } = useQuery({
     queryKey: ["sectors", tab],
     queryFn: ({ signal }) => fetchSectors(tab, signal),
@@ -31,14 +30,22 @@ function SectorsPage() {
     retry: false,
   });
 
-  const sorted = useMemo(
-    () =>
-      [...data].sort((a, b) => {
-        if (sort === "mainNetInflow") return b.mainNetInflow - a.mainNetInflow;
-        return (b.changePercent ?? 0) - (a.changePercent ?? 0);
-      }),
-    [data, sort],
-  );
+  const sorted = useMemo(() => {
+    const dir = asc ? 1 : -1;
+    return [...data].sort((a, b) => {
+      const av = sortKey === "mainNetInflow" ? a.mainNetInflow : a.changePercent ?? -Infinity;
+      const bv = sortKey === "mainNetInflow" ? b.mainNetInflow : b.changePercent ?? -Infinity;
+      return (bv - av) * dir;
+    });
+  }, [data, sortKey, asc]);
+
+  const toggleSort = (key: SortKey) => {
+    if (key === sortKey) setAsc((v) => !v);
+    else {
+      setSortKey(key);
+      setAsc(false);
+    }
+  };
 
   return (
     <div className="min-h-screen bg-background">
@@ -60,9 +67,9 @@ function SectorsPage() {
         </div>
       </header>
 
-      {/* Tab + 排序切换 */}
-      <div className="max-w-5xl mx-auto px-4 mt-4 flex items-center gap-2">
-        <div className="flex gap-1 bg-muted rounded-lg p-1 flex-1">
+      {/* Tab 切换：行业 / 概念 */}
+      <div className="max-w-5xl mx-auto px-4 mt-4">
+        <div className="flex gap-1 bg-muted rounded-lg p-1">
           {TABS.map((t) => (
             <button
               key={t.key}
@@ -73,39 +80,21 @@ function SectorsPage() {
                   : "text-muted-foreground hover:text-foreground"
               }`}
             >
-              {t.label}
+              {t.label}板块
             </button>
           ))}
         </div>
-        <div className="flex gap-0.5 text-xs border rounded overflow-hidden shrink-0">
-          <button
-            onClick={() => setSort("mainNetInflow")}
-            className={`px-2 py-1 transition-colors ${
-              sort === "mainNetInflow"
-                ? "bg-primary text-primary-foreground"
-                : "text-muted-foreground hover:text-foreground"
-            }`}
-          >
-            主力
-          </button>
-          <button
-            onClick={() => setSort("changePercent")}
-            className={`px-2 py-1 transition-colors ${
-              sort === "changePercent"
-                ? "bg-primary text-primary-foreground"
-                : "text-muted-foreground hover:text-foreground"
-            }`}
-          >
-            涨幅
-          </button>
-        </div>
       </div>
 
-      {/* 数据概览 */}
-      <div className="max-w-5xl mx-auto px-4 mt-2">
+      {/* 排序切换 */}
+      <div className="max-w-5xl mx-auto px-4 mt-3 flex items-center justify-between">
         <p className="text-[10px] text-muted-foreground">
-          共 {sorted.length} 个板块 · 按{sort === "mainNetInflow" ? "主力净流入" : "涨跌幅"}降序
+          共 {sorted.length} 个板块 · {tab === "industry" ? "行业" : "概念"}
         </p>
+        <div className="flex gap-0.5 text-xs border rounded-md overflow-hidden">
+          <SortButton label="资金流入" active={sortKey === "mainNetInflow"} asc={asc} onClick={() => toggleSort("mainNetInflow")} />
+          <SortButton label="涨幅%" active={sortKey === "changePercent"} asc={asc} onClick={() => toggleSort("changePercent")} />
+        </div>
       </div>
 
       {/* 卡片列表 */}
@@ -130,7 +119,31 @@ function SectorsPage() {
   );
 }
 
-/* ── 工具函数 ── */
+function SortButton({
+  label,
+  active,
+  asc,
+  onClick,
+}: {
+  label: string;
+  active: boolean;
+  asc: boolean;
+  onClick: () => void;
+}) {
+  return (
+    <button
+      onClick={onClick}
+      className={`px-2.5 py-1 flex items-center gap-0.5 transition-colors ${
+        active ? "bg-primary text-primary-foreground" : "text-muted-foreground hover:text-foreground"
+      }`}
+    >
+      {label}
+      {active && (asc ? <ArrowUp className="h-3 w-3" /> : <ArrowDown className="h-3 w-3" />)}
+    </button>
+  );
+}
+
+/* ── 数值格式化 ── */
 function formatInflow(val: number | null | undefined): string {
   if (val == null) return "--";
   const abs = Math.abs(val);
@@ -202,11 +215,7 @@ function SectorBlock({ item }: { item: SectorItem }) {
                 change >= 0 ? "text-red-500" : "text-green-500"
               }`}
             >
-              {change >= 0 ? (
-                <TrendingUp className="h-3 w-3" />
-              ) : (
-                <TrendingDown className="h-3 w-3" />
-              )}
+              {change >= 0 ? <TrendingUp className="h-3 w-3" /> : <TrendingDown className="h-3 w-3" />}
               {change >= 0 ? "+" : ""}
               {change.toFixed(2)}%
             </span>