diff --git a/freqtrade/templates/FreqaiExampleStrategy.py b/freqtrade/templates/FreqaiExampleStrategy.py
index 9adcc523..08f8bdba 100644
--- a/freqtrade/templates/FreqaiExampleStrategy.py
+++ b/freqtrade/templates/FreqaiExampleStrategy.py
@@ -222,7 +222,19 @@ class FreqaiExampleStrategy(IStrategy):
                 "exit_long"
             ] = 1
         return df
-
+    def populate_entry_trend(self, df: DataFrame, metadata: dict) -> DataFrame:
+        # 改进买入信号条件
+        enter_long_conditions = [
+            (df["rsi"] < df["buy_rsi_pred"]) & (df["rsi"].shift(1) >= df["buy_rsi_pred"]),  # RSI 下穿买入阈值
+            df["volume"] > df["volume"].rolling(window=10).mean(),  # 成交量高于近期均值
+            df["close"] > df["bb_middleband"]  # 价格高于布林带中轨
+        ]
+        if enter_long_conditions:
+            df.loc[
+                reduce(lambda x, y: x & y, enter_long_conditions),
+                ["enter_long", "enter_tag"]
+            ] = (1, "long")
+        return df
     def confirm_trade_entry(
         self, pair: str, order_type: str, amount: float, rate: float,
         time_in_force: str, current_time, entry_tag, side: str, **kwargs