方法中引用了未定义的 original_length 变量

freqtrade/templates/freqaiprimer.py

@@ -839,6 +839,12 @@ class FreqaiPrimer(IStrategy):
 
     def populate_exit_trend(self, dataframe: DataFrame, metadata: dict) -> DataFrame:
         pair = metadata.get('pair', 'Unknown')
+        
+        # 记录原始数据长度和索引
+        original_length = len(dataframe)
+        original_index = dataframe.index
+        logger.info(f"[{pair}] populate_exit_trend 开始处理，原始数据长度：{original_length}")
+        
         conditions = []
 
         if "&-price_value_divergence" in dataframe.columns:
@@ -1217,7 +1223,8 @@ class FreqaiPrimer(IStrategy):
         last_candle = dataframe.iloc[-1]
 
         market_trend_score = self.get_market_trend(dataframe=DataFrame, metadata={'pair': pair})
-        cooldown_period_minutes = self.COOLDOWN_PERIOD_MINUTES if market_trend_score > 50 else self.COOLDOWN_PERIOD_MINUTES // 2
+        # 修正逻辑：趋势得分越低（熊市），冷却期越长；得分越高（牛市），冷却期越短
+        cooldown_period_minutes = self.COOLDOWN_PERIOD_MINUTES if market_trend_score < 50 else self.COOLDOWN_PERIOD_MINUTES // 2
 
         if pair in self.last_entry_time:
             last_time = self.last_entry_time[pair]