From a7cff0930d820d1f1053413e4f1c2e58c0145e4e Mon Sep 17 00:00:00 2001
From: Sakurasan <26715255+Sakurasan@users.noreply.github.com>
Date: Mon, 10 Aug 2026 20:56:38 +0800
Subject: [PATCH] =?UTF-8?q?style:=20=E6=A0=B8=E5=BF=83=E8=82=A1=E9=A1=B5?=
 =?UTF-8?q?=E9=9D=A2=20formatGain=20=E7=AC=A6=E5=8F=B7=E4=B8=80=E8=87=B4?=
 =?UTF-8?q?=20+=20=E8=A1=A8=E6=A0=BC=20a11y=20=E5=A2=9E=E5=BC=BA?=
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Co-Authored-By: Claude <noreply@anthropic.com>
---
 src/routes/core-stocks.tsx | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/routes/core-stocks.tsx b/src/routes/core-stocks.tsx
index e6fb448..3364e4f 100644
--- a/src/routes/core-stocks.tsx
+++ b/src/routes/core-stocks.tsx
@@ -10,7 +10,7 @@ export const Route = createFileRoute("/core-stocks")({
 /** 格式化涨幅，红涨绿跌 */
 function formatGain(v: number | null | undefined): string {
   if (v == null) return "·";
-  const s = v > 0 ? `+${v.toFixed(2)}%` : `${v.toFixed(2)}%`;
+  const s = v >= 0 ? `+${v.toFixed(2)}%` : `${v.toFixed(2)}%`;
   return s;
 }
 
@@ -31,7 +31,7 @@ function CoreStocksPage() {
       <header className="sticky top-0 z-10 bg-background/95 backdrop-blur border-b">
         <div className="max-w-5xl mx-auto px-4 h-12 flex items-center justify-between">
           <div className="flex items-center gap-3">
-            <Link to="/hot-map" className="hover:opacity-70 transition-opacity">
+            <Link to="/hot-map" className="hover:opacity-70 transition-opacity" aria-label="返回">
               <ArrowLeft className="h-5 w-5" />
             </Link>
             <h1 className="text-base font-semibold">核心股追踪</h1>
@@ -53,7 +53,7 @@ function CoreStocksPage() {
 
         {isLoading ? (
           <div className="animate-pulse rounded-xl bg-muted h-32" />
-        ) : dates.length === 0 ? (
+        ) : dates.length === 0 || stocks.length === 0 ? (
           <div className="text-center text-sm text-muted-foreground py-16">
             暂无数据，数据将在每日收盘后自动采集
           </div>
@@ -62,13 +62,13 @@ function CoreStocksPage() {
             <table className="w-full text-sm">
               <thead>
                 <tr className="border-b bg-muted/50">
-                  <th className="px-3 py-2 text-left font-medium whitespace-nowrap">股票</th>
+                  <th scope="col" className="px-3 py-2 text-left font-medium whitespace-nowrap">股票</th>
                   {dates.map((d) => (
-                    <th key={d} className="px-2 py-2 text-right font-medium tabular-nums whitespace-nowrap">
+                    <th key={d} scope="col" title={d} className="px-2 py-2 text-right font-medium tabular-nums whitespace-nowrap">
                       {d.slice(5)}
                     </th>
                   ))}
-                  <th className="px-2 py-2 text-right font-medium">上榜</th>
+                  <th scope="col" className="px-2 py-2 text-right font-medium">上榜</th>
                 </tr>
               </thead>
               <tbody>