diff --git a/src/routes/core-stocks.tsx b/src/routes/core-stocks.tsx
index fa71c08..0704aaa 100644
--- a/src/routes/core-stocks.tsx
+++ b/src/routes/core-stocks.tsx
@@ -1,8 +1,8 @@
 import { createFileRoute, Link } from "@tanstack/react-router";
 import { useQuery } from "@tanstack/react-query";
-import { Fragment, useState } from "react";
+import { Fragment } from "react";
 import { fetchActiveCoreStocks } from "@/lib/core-stock-api";
-import { ArrowLeft, RefreshCw, Flame, ChevronDown, ChevronRight } from "lucide-react";
+import { ArrowLeft, RefreshCw, Flame } from "lucide-react";
 
 export const Route = createFileRoute("/core-stocks")({
   component: CoreStocksPage,
@@ -25,7 +25,6 @@ function CoreStocksPage() {
 
   const dates = data?.dates ?? [];
   const stocks = data?.stocks ?? [];
-  const [expanded, setExpanded] = useState<string | null>(null);
 
   return (
     <div className="min-h-screen bg-background">
@@ -76,76 +75,64 @@ function CoreStocksPage() {
                 </tr>
               </thead>
               <tbody>
-                {stocks.map((s) => {
-                  const isOpen = expanded === s.stockCode;
-                  return (
-                    <Fragment key={s.stockCode}>
-                      <tr
-                        onClick={() => setExpanded(isOpen ? null : s.stockCode)}
-                        className="border-b last:border-0 hover:bg-muted/30 cursor-pointer"
-                      >
-                        <td className="px-3 py-1.5 whitespace-nowrap">
-                          <span className="inline-flex items-center gap-1">
-                            {isOpen ? <ChevronDown className="h-3.5 w-3.5 text-muted-foreground" /> : <ChevronRight className="h-3.5 w-3.5 text-muted-foreground" />}
-                            <Link
-                              to="/stock/$code"
-                              params={{ code: s.stockCode }}
-                              onClick={(e) => e.stopPropagation()}
-                              className="font-medium hover:text-primary hover:underline"
-                            >
-                              {s.stockName}
-                            </Link>
-                            <span className="ml-1 text-[10px] text-muted-foreground">{s.stockCode}</span>
-                          </span>
-                        </td>
-                        {dates.map((d) => {
-                          const g = s.dailyGains[d];
-                          const cls = g == null ? "text-muted-foreground/40" : g >= 0 ? "text-red-500" : "text-green-500";
-                          return (
-                            <td key={d} className={`px-2 py-1.5 text-right tabular-nums whitespace-nowrap ${cls}`}>
-                              {formatGain(g)}
-                            </td>
-                          );
-                        })}
-                        <td className="px-2 py-1.5 text-right tabular-nums whitespace-nowrap text-muted-foreground">
-                          {s.coverCount ?? "·"}
-                        </td>
-                        <td className="px-2 py-1.5 text-right tabular-nums whitespace-nowrap text-muted-foreground">
-                          {s.lastAppear ? s.lastAppear.slice(5) : "·"}
-                        </td>
-                        <td className="px-2 py-1.5 text-right tabular-nums whitespace-nowrap">
-                          <span className="inline-flex items-center gap-0.5 text-orange-500">
-                            <Flame className="h-3 w-3" />
-                            {s.appearCount}
-                          </span>
-                        </td>
-                      </tr>
-                      {isOpen && (
-                        <tr className="border-b bg-muted/20">
-                          <td colSpan={dates.length + 4} className="px-3 py-2">
-                            <div className="text-[11px] text-muted-foreground mb-1">所属题材</div>
-                            {s.themes && s.themes.length > 0 ? (
-                              <div className="flex flex-wrap gap-1">
-                                {s.themes.map((t) => (
-                                  <Link
-                                    key={t.theme_code}
-                                    to="/theme/$code"
-                                    params={{ code: t.theme_code }}
-                                    className="px-1.5 py-0.5 rounded bg-primary/10 text-primary text-[11px] hover:bg-primary/20 transition-colors"
-                                  >
-                                    {t.theme_name}
-                                  </Link>
-                                ))}
-                              </div>
-                            ) : (
-                              <span className="text-xs text-muted-foreground">暂无题材数据</span>
-                            )}
+                {stocks.map((s) => (
+                  <Fragment key={s.stockCode}>
+                    <tr className="border-b last:border-0 hover:bg-muted/30">
+                      <td className="px-3 py-1.5 whitespace-nowrap">
+                        <Link
+                          to="/stock/$code"
+                          params={{ code: s.stockCode }}
+                          className="font-medium hover:text-primary hover:underline"
+                        >
+                          {s.stockName}
+                        </Link>
+                        <span className="ml-1 text-[10px] text-muted-foreground">{s.stockCode}</span>
+                      </td>
+                      {dates.map((d) => {
+                        const g = s.dailyGains[d];
+                        const cls = g == null ? "text-muted-foreground/40" : g >= 0 ? "text-red-500" : "text-green-500";
+                        return (
+                          <td key={d} className={`px-2 py-1.5 text-right tabular-nums whitespace-nowrap ${cls}`}>
+                            {formatGain(g)}
                           </td>
-                        </tr>
-                      )}
-                    </Fragment>
-                  );
-                })}
+                        );
+                      })}
+                      <td className="px-2 py-1.5 text-right tabular-nums whitespace-nowrap text-muted-foreground">
+                        {s.coverCount ?? "·"}
+                      </td>
+                      <td className="px-2 py-1.5 text-right tabular-nums whitespace-nowrap text-muted-foreground">
+                        {s.lastAppear ? s.lastAppear.slice(5) : "·"}
+                      </td>
+                      <td className="px-2 py-1.5 text-right tabular-nums whitespace-nowrap">
+                        <span className="inline-flex items-center gap-0.5 text-orange-500">
+                          <Flame className="h-3 w-3" />
+                          {s.appearCount}
+                        </span>
+                      </td>
+                    </tr>
+                    <tr className="border-b bg-muted/20">
+                      <td colSpan={dates.length + 4} className="px-3 py-2">
+                        <div className="text-[11px] text-muted-foreground mb-1">所属题材</div>
+                        {s.themes && s.themes.length > 0 ? (
+                          <div className="flex flex-wrap gap-1">
+                            {s.themes.map((t) => (
+                              <Link
+                                key={t.theme_code}
+                                to="/theme/$code"
+                                params={{ code: t.theme_code }}
+                                className="px-1.5 py-0.5 rounded bg-primary/10 text-primary text-[11px] hover:bg-primary/20 transition-colors"
+                              >
+                                {t.theme_name}
+                              </Link>
+                            ))}
+                          </div>
+                        ) : (
+                          <span className="text-xs text-muted-foreground">暂无题材数据</span>
+                        )}
+                      </td>
+                    </tr>
+                  </Fragment>
+                ))}
               </tbody>
             </table>
           </div>