diff --git a/freqtrade/templates/FreqaiExampleStrategy.py b/freqtrade/templates/FreqaiExampleStrategy.py
index c98db1f..fc18032 100644
--- a/freqtrade/templates/FreqaiExampleStrategy.py
+++ b/freqtrade/templates/FreqaiExampleStrategy.py
@@ -317,7 +317,7 @@ class FreqaiExampleStrategy(IStrategy):
     def populate_entry_trend(self, df: DataFrame, metadata: dict) -> DataFrame:
         # 改进买入信号条件
         # 检查 MACD 列是否存在
-        if "macd" not in dataframe.columns or "macdsignal" not in dataframe.columns:
+        if "macd" not in DataFrame.columns or "macdsignal" not in DataFrame.columns:
             logger.error("MACD 或 MACD 信号列缺失，无法生成买入信号。尝试重新计算 MACD 列。")
             
             try: