diff --git a/src/views/Company/components/StockQuoteCard/index.tsx b/src/views/Company/components/StockQuoteCard/index.tsx
index a7d1c5cf..42535821 100644
--- a/src/views/Company/components/StockQuoteCard/index.tsx
+++ b/src/views/Company/components/StockQuoteCard/index.tsx
@@ -78,14 +78,22 @@ const StockQuoteCard: React.FC<StockQuoteCardProps> = ({
 
     // 如果有实时数据，用实时数据覆盖价格相关字段
     if (realtimeQuote && realtimeQuote.price > 0) {
+      // 始终使用静态数据的昨收价（WebSocket 的 prevClose 可能不准确）
+      const yesterdayClose = quoteData.yesterdayClose;
+      // 用实时价格和静态昨收价重新计算涨跌幅
+      const changePercent = yesterdayClose > 0
+        ? ((realtimeQuote.price - yesterdayClose) / yesterdayClose) * 100
+        : quoteData.changePercent;
+
       return {
         ...quoteData,
         currentPrice: realtimeQuote.price,
-        changePercent: realtimeQuote.changePct,
+        changePercent,
         todayOpen: realtimeQuote.open || quoteData.todayOpen,
         todayHigh: realtimeQuote.high || quoteData.todayHigh,
         todayLow: realtimeQuote.low || quoteData.todayLow,
-        yesterdayClose: realtimeQuote.prevClose || quoteData.yesterdayClose,
+        // 始终使用静态数据的昨收价
+        yesterdayClose,
       };
     }