diff --git a/src/views/StockOverview/index.js b/src/views/StockOverview/index.js
index 4fad168d..db41f32a 100644
--- a/src/views/StockOverview/index.js
+++ b/src/views/StockOverview/index.js
@@ -259,14 +259,18 @@ const StockOverview = () => {
       const data = await response.json();
 
       if (data.success) {
-        const newStats = {
+        // 使用函数式更新，避免 race condition 导致覆盖 heatmap 接口设置的 rising_count/falling_count
+        setMarketStats(prevStats => ({
           ...data.summary,
           // 保留之前从 heatmap 接口获取的上涨/下跌家数
-          rising_count: marketStats?.rising_count,
-          falling_count: marketStats?.falling_count,
+          rising_count: prevStats?.rising_count,
+          falling_count: prevStats?.falling_count,
+          date: data.trade_date
+        }));
+        const newStats = {
+          ...data.summary,
           date: data.trade_date
         };
-        setMarketStats(newStats);
         // 日期和可选日期列表由 fetchTopConcepts 统一设置，这里不再设置
         logger.debug('StockOverview', '市场统计数据加载成功', {
           date: data.trade_date