diff --git a/src/views/Community/components/DynamicNewsDetail/DynamicNewsDetailPanel.js b/src/views/Community/components/DynamicNewsDetail/DynamicNewsDetailPanel.js
index a96594bb..b17cc424 100644
--- a/src/views/Community/components/DynamicNewsDetail/DynamicNewsDetailPanel.js
+++ b/src/views/Community/components/DynamicNewsDetail/DynamicNewsDetailPanel.js
@@ -81,7 +81,7 @@ const DynamicNewsDetailPanel = ({ event, showHeader = true }) => {
 
   // 使用 Hook 获取实时数据
   // - autoLoad: false - 禁用自动加载所有数据，改为手动触发
-  // - autoLoadQuotes: false - 禁用自动加载行情，延迟到展开时加载（减少请求）
+  // - autoLoadQuotes: true - 股票数据加载后自动加载行情（相关股票默认展开）
   const {
     stocks,
     quotes,
@@ -93,7 +93,7 @@ const DynamicNewsDetailPanel = ({ event, showHeader = true }) => {
     loadHistoricalData,
     loadChainAnalysis,
     refreshQuotes
-  } = useEventStocks(event?.id, event?.created_at, { autoLoad: false, autoLoadQuotes: false });
+  } = useEventStocks(event?.id, event?.created_at, { autoLoad: false, autoLoadQuotes: true });
 
   // 🎯 加载事件详情（增加浏览量）- 与 EventDetailModal 保持一致
   const loadEventDetail = useCallback(async () => {
@@ -229,12 +229,14 @@ const DynamicNewsDetailPanel = ({ event, showHeader = true }) => {
     setHasLoadedHistorical(false);
     setHasLoadedTransmission(false);
 
-    // 相关股票默认展开，预加载股票列表
+    // 相关股票默认展开，预加载股票列表和行情数据
     setIsStocksOpen(true);
     if (canAccessStocks) {
-      console.log('%c📊 [相关股票] 事件切换，预加载股票列表（获取数量）', 'color: #10B981; font-weight: bold;', { eventId: event?.id });
+      console.log('%c📊 [相关股票] 事件切换，预加载股票列表和行情数据', 'color: #10B981; font-weight: bold;', { eventId: event?.id });
       loadStocksData();
       setHasLoadedStocks(true);
+      // 由于默认展开，直接加载行情数据
+      setHasLoadedQuotes(true);
     }
 
     // 历史事件默认折叠，但预加载数据（显示数量吸引点击）
diff --git a/src/views/Community/components/DynamicNewsDetail/RelatedStocksSection.js b/src/views/Community/components/DynamicNewsDetail/RelatedStocksSection.js
index 2be81942..ebcacaa2 100644
--- a/src/views/Community/components/DynamicNewsDetail/RelatedStocksSection.js
+++ b/src/views/Community/components/DynamicNewsDetail/RelatedStocksSection.js
@@ -1,9 +1,12 @@
 // src/views/Community/components/DynamicNewsDetail/RelatedStocksSection.js
 // 相关股票列表区组件（纯内容，不含标题）
 
-import React from 'react';
+import React, { useState, useEffect, useMemo } from 'react';
 import { VStack } from '@chakra-ui/react';
+import dayjs from 'dayjs';
 import StockListItem from './StockListItem';
+import { fetchBatchKlineData, klineDataCache, getCacheKey } from '../StockDetailPanel/utils/klineDataCache';
+import { logger } from '../../../../utils/logger';
 
 /**
  * 相关股票列表区组件（纯内容部分）
@@ -22,6 +25,85 @@ const RelatedStocksSection = ({
   watchlistSet = new Set(),
   onWatchlistToggle
 }) => {
+  // K线数据状态：{ [stockCode]: data[] }
+  const [klineDataMap, setKlineDataMap] = useState({});
+  const [klineLoading, setKlineLoading] = useState(false);
+
+  // 稳定的事件时间
+  const stableEventTime = useMemo(() => {
+    return eventTime ? dayjs(eventTime).format('YYYY-MM-DD HH:mm') : '';
+  }, [eventTime]);
+
+  // 稳定的股票列表 key
+  const stocksKey = useMemo(() => {
+    if (!stocks || stocks.length === 0) return '';
+    return stocks.map(s => s.stock_code).sort().join(',');
+  }, [stocks]);
+
+  // 计算是否应该显示 loading
+  const shouldShowLoading = useMemo(() => {
+    if (!stocks || stocks.length === 0) return false;
+    const currentDataKeys = Object.keys(klineDataMap).sort().join(',');
+    if (stocksKey !== currentDataKeys) {
+      return true;
+    }
+    return klineLoading;
+  }, [stocks, stocksKey, klineDataMap, klineLoading]);
+
+  // 批量加载K线数据
+  useEffect(() => {
+    if (!stocks || stocks.length === 0) {
+      setKlineDataMap({});
+      setKlineLoading(false);
+      return;
+    }
+
+    // 立即设置 loading 状态
+    setKlineLoading(true);
+
+    const stockCodes = stocks.map(s => s.stock_code);
+
+    // 先检查缓存
+    const cachedData = {};
+    const uncachedCodes = [];
+    stockCodes.forEach(code => {
+      const cacheKey = getCacheKey(code, stableEventTime, 'timeline');
+      const cached = klineDataCache.get(cacheKey);
+      if (cached !== undefined) {
+        cachedData[code] = cached;
+      } else {
+        uncachedCodes.push(code);
+      }
+    });
+
+    // 如果全部缓存命中，直接使用
+    if (uncachedCodes.length === 0) {
+      setKlineDataMap(cachedData);
+      setKlineLoading(false);
+      logger.debug('RelatedStocksSection', 'K线数据全部来自缓存', { stockCount: stockCodes.length });
+      return;
+    }
+
+    logger.debug('RelatedStocksSection', '批量加载K线数据', {
+      totalCount: stockCodes.length,
+      cachedCount: Object.keys(cachedData).length,
+      uncachedCount: uncachedCodes.length,
+      eventTime: stableEventTime
+    });
+
+    // 批量请求
+    fetchBatchKlineData(stockCodes, stableEventTime, 'timeline')
+      .then((batchData) => {
+        setKlineDataMap({ ...cachedData, ...batchData });
+        setKlineLoading(false);
+      })
+      .catch((error) => {
+        logger.error('RelatedStocksSection', '批量加载K线数据失败', error);
+        setKlineDataMap(cachedData);
+        setKlineLoading(false);
+      });
+  }, [stocksKey, stableEventTime]);
+
   // 如果没有股票数据，不渲染
   if (!stocks || stocks.length === 0) {
     return null;
@@ -37,6 +119,8 @@ const RelatedStocksSection = ({
           eventTime={eventTime}
           isInWatchlist={watchlistSet.has(stock.stock_code)}
           onWatchlistToggle={onWatchlistToggle}
+          klineData={klineDataMap[stock.stock_code]}
+          klineLoading={shouldShowLoading && !klineDataMap[stock.stock_code]}
         />
       ))}
     </VStack>
diff --git a/src/views/Community/components/DynamicNewsDetail/StockListItem.js b/src/views/Community/components/DynamicNewsDetail/StockListItem.js
index 0188a3f5..f20e54fd 100644
--- a/src/views/Community/components/DynamicNewsDetail/StockListItem.js
+++ b/src/views/Community/components/DynamicNewsDetail/StockListItem.js
@@ -39,13 +39,17 @@ import { PROFESSIONAL_COLORS } from '@constants/professionalTheme';
  * @param {string} props.eventTime - 事件时间（可选）
  * @param {boolean} props.isInWatchlist - 是否在自选股中
  * @param {Function} props.onWatchlistToggle - 切换自选股回调
+ * @param {Array} props.klineData - 预加载的K线数据（可选，由父组件批量加载后传入）
+ * @param {boolean} props.klineLoading - K线数据加载状态
  */
 const StockListItem = ({
   stock,
   quote = null,
   eventTime = null,
   isInWatchlist = false,
-  onWatchlistToggle
+  onWatchlistToggle,
+  klineData,
+  klineLoading = false
 }) => {
   const isMobile = useSelector(selectIsMobile);
   const cardBg = PROFESSIONAL_COLORS.background.card;
@@ -237,6 +241,8 @@ const StockListItem = ({
               <MiniTimelineChart
                 stockCode={stock.stock_code}
                 eventTime={eventTime}
+                preloadedData={klineData}
+                loading={klineLoading}
               />
             </Box>
           </VStack>