diff --git a/frontend/src/components/StockDailyKChart.tsx b/frontend/src/components/StockDailyKChart.tsx
index 9f87e67..495ecc4 100644
--- a/frontend/src/components/StockDailyKChart.tsx
+++ b/frontend/src/components/StockDailyKChart.tsx
@@ -54,6 +54,8 @@ interface Props {
   onDataChange?: (result: StockDailyKChartResult) => void
   /** 扩展数据列参数（逗号分隔 config_id.field_name），透传给 klineDaily 接口 */
   extColumns?: string
+  /** 日K自动刷新间隔(ms)。undefined = 不轮询(默认)。个股对话框实时刷新时传入, 盘中今日蜡烛随之更新 */
+  refetchIntervalMs?: number
 }
 
 function isValidRow(r: any): boolean {
@@ -136,6 +138,7 @@ export function StockDailyKChart({
   onPriceDoubleClick,
   onDataChange,
   extColumns,
+  refetchIntervalMs,
 }: Props) {
   const [activeIndicators, setActiveIndicators] = useState<string[]>(['vol'])
   const [showMarkers, setShowMarkers] = useState(true)
@@ -150,6 +153,7 @@ export function StockDailyKChart({
     queryKey: QK.kline(symbol, dateRange.start, dateRange.end, extColumns),
     queryFn: () => api.klineDaily(symbol, days, dateRange, extColumns),
     enabled: !!symbol,
+    refetchInterval: refetchIntervalMs,
     placeholderData: (prev) => prev,
   })
 
diff --git a/frontend/src/components/StockIntradayChart.tsx b/frontend/src/components/StockIntradayChart.tsx
index 95d5ca0..6f014e9 100644
--- a/frontend/src/components/StockIntradayChart.tsx
+++ b/frontend/src/components/StockIntradayChart.tsx
@@ -36,7 +36,9 @@ export function StockIntradayChart({
 
   const minute = useQuery({
     queryKey: QK.klineMinute(symbol, date ?? ''),
-    queryFn: () => api.klineMinute(symbol, date ?? undefined),
+    // 轮询上下文 (个股详情) 传 live: 当日盘中后端直接实时拉取最新K,
+    // 避免读到分钟增量落盘的上一轮本地分区; 历史日期后端自行忽略 live。
+    queryFn: () => api.klineMinute(symbol, date ?? undefined, refetchIntervalMs != null),
     enabled: !!symbol && !!date,
     refetchInterval: refetchIntervalMs,
   })
diff --git a/frontend/src/components/StockPanel.tsx b/frontend/src/components/StockPanel.tsx
index ef5aa90..04c9544 100644
--- a/frontend/src/components/StockPanel.tsx
+++ b/frontend/src/components/StockPanel.tsx
@@ -167,6 +167,7 @@ export function StockPanel({
           onDataChange={setDailyResult}
           visibleBars={showIntraday ? 40 : 60}
           extColumns={extColumns}
+          refetchIntervalMs={refetchIntervalMs}
         />
 
         {showIntraday && selectedDate && !intradayDismissed && (
diff --git a/frontend/src/components/StockPreviewDialog.tsx b/frontend/src/components/StockPreviewDialog.tsx
index f793d5e..26f422e 100644
--- a/frontend/src/components/StockPreviewDialog.tsx
+++ b/frontend/src/components/StockPreviewDialog.tsx
@@ -475,6 +475,7 @@ export function StockPreviewDialog({ symbol, name, onClose, triggerInfo }: Props
                   dateRange={dateRange}
                   priceLines={monitorPriceLines}
                   onPriceDoubleClick={openPriceAlert}
+                  refetchIntervalMs={intradayRefetchMs}
                 />
               ) : (
                 <>