diff --git a/core/biz/__pycache__/market_monitor.cpython-312.pyc b/core/biz/__pycache__/market_monitor.cpython-312.pyc
index 9ad5f25..406f390 100644
Binary files a/core/biz/__pycache__/market_monitor.cpython-312.pyc and b/core/biz/__pycache__/market_monitor.cpython-312.pyc differ
diff --git a/market_monitor_main.py b/market_monitor_main.py
index d289417..bbbae87 100644
--- a/market_monitor_main.py
+++ b/market_monitor_main.py
@@ -131,7 +131,7 @@ class MarketMonitorMain:
             )
             return
         realtime_row = real_time_data.iloc[-1]
-        real_time_data = self.calculate_price_anomaly(real_time_data, realtime_row)
+        realtime_row = self.calculate_price_anomaly(real_time_data, realtime_row)
         if only_output_huge_volume:
             if realtime_row["huge_volume"] == 1:
                 logger.info(f"监控到巨量: {symbol} {bar} 窗口大小: {self.window_size}")
@@ -216,16 +216,18 @@ class MarketMonitorMain:
     def calculate_price_anomaly(self, data: pd.DataFrame, realtime_row: pd.Series):
         k = 2
         # 计算均值和标准差
-        data = data.copy()[0:-1]
+        data = data.copy().iloc[:-1]
+        # 避免 SettingWithCopyWarning，先复制一份当前行的独立副本
+        realtime_row = realtime_row.copy()
         pct_chg = realtime_row["pct_chg"]
         pct_chg_mean = data['pct_chg'].mean()
         pct_chg_std = data['pct_chg'].std()
         pct_chg_upper_bound = pct_chg_mean + k * pct_chg_std
         pct_chg_lower_bound = pct_chg_mean - k * pct_chg_std
         if pct_chg > pct_chg_upper_bound or pct_chg < pct_chg_lower_bound:
-            realtime_row["price_anomaly"] = True
+            realtime_row.loc["price_anomaly"] = True
         else:
-            realtime_row["price_anomaly"] = False
+            realtime_row.loc["price_anomaly"] = False
 
         return realtime_row