diff --git a/app.py b/app.py
index 6c6df8b7..abfbc8d6 100755
--- a/app.py
+++ b/app.py
@@ -6904,12 +6904,12 @@ def get_daily_kline(stock_code, event_datetime, stock_name):
     stock_code = stock_code.split('.')[0]
 
     with engine.connect() as conn:
-        # 获取事件日期前后的数据（前730天/2年，后30天）
+        # 获取事件日期前后的数据（前365天/1年，后30天）
         kline_sql = """
                     WITH date_range AS (SELECT TRADEDATE \
                                         FROM ea_trade \
                                         WHERE SECCODE = :stock_code \
-                                          AND TRADEDATE BETWEEN DATE_SUB(:trade_date, INTERVAL 730 DAY) \
+                                          AND TRADEDATE BETWEEN DATE_SUB(:trade_date, INTERVAL 365 DAY) \
                                             AND DATE_ADD(:trade_date, INTERVAL 30 DAY) \
                                         GROUP BY TRADEDATE \
                                         ORDER BY TRADEDATE)
diff --git a/src/components/StockChart/KLineChartModal.tsx b/src/components/StockChart/KLineChartModal.tsx
index 15741b7d..76d1e0ee 100644
--- a/src/components/StockChart/KLineChartModal.tsx
+++ b/src/components/StockChart/KLineChartModal.tsx
@@ -463,7 +463,7 @@ const KLineChartModal: React.FC<KLineChartModalProps> = ({
               </Text>
               {data.length > 0 && (
                 <Text fontSize="xs" color="#666" fontStyle="italic">
-                  共{data.length}个交易日（最多2年）
+                  共{data.length}个交易日（最多1年）
                 </Text>
               )}
             </HStack>