diff --git a/src/views/Community/components/HeroPanel.js b/src/views/Community/components/HeroPanel.js
index 7fd0625a..d3340dae 100644
--- a/src/views/Community/components/HeroPanel.js
+++ b/src/views/Community/components/HeroPanel.js
@@ -14,11 +14,6 @@ import {
   useColorModeValue,
   SimpleGrid,
   Icon,
-  Stat,
-  StatLabel,
-  StatNumber,
-  StatHelpText,
-  StatArrow,
   Spinner,
   Center,
 } from '@chakra-ui/react';
@@ -27,15 +22,20 @@ import ReactECharts from 'echarts-for-react';
 import { logger } from '../../../utils/logger';
 
 /**
- * 获取指数行情数据
+ * 获取指数行情数据（日线数据）
  */
 const fetchIndexKline = async (indexCode) => {
   try {
-    const response = await fetch(`/api/index/${indexCode}/kline`);
+    // 使用日线数据，获取最近60个交易日
+    const response = await fetch(`/api/index/${indexCode}/kline?type=daily`);
+    if (!response.ok) {
+      throw new Error(`HTTP error! status: ${response.status}`);
+    }
     const data = await response.json();
+    logger.debug('HeroPanel', 'fetchIndexKline success', { indexCode, dataLength: data?.data?.length });
     return data;
   } catch (error) {
-    logger.error('HeroPanel', 'fetchIndexKline', error);
+    logger.error('HeroPanel', 'fetchIndexKline error', { indexCode, error: error.message });
     return null;
   }
 };
@@ -86,30 +86,41 @@ const MiniIndexChart = ({ indexCode, indexName }) => {
   const areaColor = useColorModeValue('rgba(255, 215, 0, 0.15)', 'rgba(255, 215, 0, 0.1)');
 
   useEffect(() => {
+    let isMounted = true;
+
     const loadData = async () => {
       setLoading(true);
       const data = await fetchIndexKline(indexCode);
 
-      if (data && data.data && data.data.length > 0) {
+      if (isMounted && data && data.data && data.data.length > 0) {
         // 取最近一个交易日的数据
         const latest = data.data[data.data.length - 1];
+        const prevClose = latest.prev_close || latest.close;
+
         setLatestData({
-          close: latest[2],
-          change: ((latest[2] - latest[1]) / latest[1] * 100).toFixed(2),
-          isPositive: latest[2] >= latest[1]
+          close: latest.close,
+          change: prevClose ? (((latest.close - prevClose) / prevClose) * 100).toFixed(2) : '0.00',
+          isPositive: latest.close >= prevClose
         });
 
         // 准备图表数据（最近60个交易日）
         const recentData = data.data.slice(-60);
         setChartData({
-          dates: recentData.map(item => item[0]),
-          values: recentData.map(item => item[2])
+          dates: recentData.map(item => item.time),
+          values: recentData.map(item => item.close)
         });
       }
-      setLoading(false);
+
+      if (isMounted) {
+        setLoading(false);
+      }
     };
 
     loadData();
+
+    return () => {
+      isMounted = false;
+    };
   }, [indexCode]);
 
   const chartOption = useMemo(() => {
@@ -184,13 +195,12 @@ const MiniIndexChart = ({ indexCode, indexName }) => {
           </Text>
         </VStack>
         <HStack spacing={1}>
-          <StatArrow type={latestData?.isPositive ? 'increase' : 'decrease'} />
           <Text
             fontSize="sm"
             fontWeight="bold"
             color={latestData?.isPositive ? 'green.300' : 'red.300'}
           >
-            {latestData?.isPositive ? '+' : ''}{latestData?.change}%
+            {latestData?.isPositive ? '↑' : '↓'} {latestData?.isPositive ? '+' : ''}{latestData?.change}%
           </Text>
         </HStack>
       </HStack>
@@ -215,14 +225,24 @@ const ConceptWordCloud = () => {
   const chartBg = useColorModeValue('transparent', 'transparent');
 
   useEffect(() => {
+    let isMounted = true;
+
     const loadConcepts = async () => {
       setLoading(true);
       const data = await fetchPopularConcepts();
-      setConcepts(data);
-      setLoading(false);
+      if (isMounted && data && data.length > 0) {
+        setConcepts(data);
+      }
+      if (isMounted) {
+        setLoading(false);
+      }
     };
 
     loadConcepts();
+
+    return () => {
+      isMounted = false;
+    };
   }, []);
 
   const chartOption = useMemo(() => {
diff --git a/src/views/Community/index.js b/src/views/Community/index.js
index 88ad6a92..9ed3d275 100644
--- a/src/views/Community/index.js
+++ b/src/views/Community/index.js
@@ -120,10 +120,15 @@ const Community = () => {
   };
 
   // ⚡ 首次进入页面时滚动到内容区域（考虑导航栏高度）
+  const hasScrolled = useRef(false);
   useEffect(() => {
+    // 只在第一次挂载时执行滚动
+    if (hasScrolled.current) return;
+
     // 延迟执行，确保DOM已完全渲染
     const timer = setTimeout(() => {
       if (containerRef.current) {
+        hasScrolled.current = true;
         // 滚动到容器顶部，自动考虑导航栏的高度
         containerRef.current.scrollIntoView({
           behavior: 'auto',
@@ -131,7 +136,7 @@ const Community = () => {
           inline: 'nearest'
         });
       }
-    }, 0);
+    }, 100);
 
     return () => clearTimeout(timer);
   }, []); // 空依赖数组，只在组件挂载时执行一次