diff --git a/MeAgent/src/screens/StockDetail/StockDetailScreen.js b/MeAgent/src/screens/StockDetail/StockDetailScreen.js
index 1a9928c4..40954836 100644
--- a/MeAgent/src/screens/StockDetail/StockDetailScreen.js
+++ b/MeAgent/src/screens/StockDetail/StockDetailScreen.js
@@ -14,7 +14,7 @@ import {
   PriceHeader,
   ChartTypeTabs,
   MinuteChart,
-  ProfessionalKlineChart,
+  KlineChart,
   OrderBook,
   RelatedInfoTabs,
   EventsPanel,
@@ -62,6 +62,7 @@ const StockDetailScreen = () => {
   const [riseAnalysisData, setRiseAnalysisData] = useState([]);
   const [selectedAnalysis, setSelectedAnalysis] = useState(null);
   const [analysisModalOpen, setAnalysisModalOpen] = useState(false);
+  const [fallbackOrderBook, setFallbackOrderBook] = useState(null); // API 降级盘口数据
 
   // Redux 状态
   const currentStock = useSelector(selectCurrentStock);
@@ -99,6 +100,21 @@ const StockDetailScreen = () => {
     return stockCode;
   }, [currentStock?.stock_name, stockName, stockCode]);
 
+  // 加载盘口数据（降级方案：WebSocket 无数据时从 API 获取）
+  const loadOrderBookFallback = useCallback(async () => {
+    if (!stockCode) return;
+
+    try {
+      const result = await stockDetailService.getOrderBook(stockCode);
+      if (result.success && result.data) {
+        setFallbackOrderBook(result.data);
+        console.log('[StockDetailScreen] 降级盘口数据:', result.data.trade_time);
+      }
+    } catch (error) {
+      console.error('[StockDetailScreen] 加载降级盘口失败:', error);
+    }
+  }, [stockCode]);
+
   // 加载涨幅分析数据
   const loadRiseAnalysis = useCallback(async () => {
     if (!stockCode) return;
@@ -143,8 +159,9 @@ const StockDetailScreen = () => {
     dispatch(clearCurrentStock());
     // 重置为分时图
     dispatch(setChartType('minute'));
-    // 清空本地状态（涨幅分析数据）
+    // 清空本地状态
     setRiseAnalysisData([]);
+    setFallbackOrderBook(null);
   }, [dispatch, stockCode]);
 
   // 初始加载
@@ -152,6 +169,22 @@ const StockDetailScreen = () => {
     loadStockData();
   }, [loadStockData]);
 
+  // 盘口数据降级：分时图模式下，WebSocket 3秒内无数据则从 API 获取
+  useEffect(() => {
+    if (chartType !== 'minute') return;
+
+    // 检查 WebSocket 是否有五档数据
+    const hasWsOrderBook = realtimeQuote?.bid_prices?.length > 0 || realtimeQuote?.ask_prices?.length > 0;
+
+    if (!hasWsOrderBook && !fallbackOrderBook) {
+      // 延迟 2 秒后加载降级数据，给 WebSocket 一点时间
+      const timer = setTimeout(() => {
+        loadOrderBookFallback();
+      }, 2000);
+      return () => clearTimeout(timer);
+    }
+  }, [chartType, realtimeQuote, fallbackOrderBook, loadOrderBookFallback]);
+
   // 切换图表类型
   const handleChartTypeChange = useCallback((type) => {
     dispatch(setChartType(type));
@@ -255,23 +288,25 @@ const StockDetailScreen = () => {
               loading={isChartLoading}
             />
           ) : (
-            <ProfessionalKlineChart
+            <KlineChart
               data={currentChartData}
               type={chartType}
               loading={isChartLoading}
+              riseAnalysisData={riseAnalysisData}
+              onAnalysisPress={handleAnalysisPress}
             />
           )}
         </Box>
 
-        {/* 5档盘口 - 使用 WebSocket 实时推送的五档数据 */}
+        {/* 5档盘口 - 优先 WebSocket 实时数据，降级到 API 数据 */}
         {chartType === 'minute' && (
           <OrderBook
-            askPrices={realtimeQuote?.ask_prices || orderBook.askPrices || []}
-            askVolumes={realtimeQuote?.ask_volumes || orderBook.askVolumes || []}
-            bidPrices={realtimeQuote?.bid_prices || orderBook.bidPrices || []}
-            bidVolumes={realtimeQuote?.bid_volumes || orderBook.bidVolumes || []}
-            preClose={realtimeQuote?.pre_close || quote.pre_close}
-            updateTime={realtimeQuote?.update_time}
+            askPrices={realtimeQuote?.ask_prices || fallbackOrderBook?.ask_prices || orderBook.askPrices || []}
+            askVolumes={realtimeQuote?.ask_volumes || fallbackOrderBook?.ask_volumes || orderBook.askVolumes || []}
+            bidPrices={realtimeQuote?.bid_prices || fallbackOrderBook?.bid_prices || orderBook.bidPrices || []}
+            bidVolumes={realtimeQuote?.bid_volumes || fallbackOrderBook?.bid_volumes || orderBook.bidVolumes || []}
+            preClose={realtimeQuote?.pre_close || fallbackOrderBook?.prev_close || quote.pre_close}
+            updateTime={realtimeQuote?.update_time || fallbackOrderBook?.trade_time}
             isConnected={wsConnected}
           />
         )}