diff --git a/freqtrade/templates/FreqaiExampleStrategy.py b/freqtrade/templates/FreqaiExampleStrategy.py
index 4eec097..804f0b6 100644
--- a/freqtrade/templates/FreqaiExampleStrategy.py
+++ b/freqtrade/templates/FreqaiExampleStrategy.py
@@ -130,6 +130,15 @@ class FreqaiExampleStrategy(IStrategy):
         try:
             label_period = self.freqai_info["feature_parameters"]["label_period_candles"]
 
+            # 定义目标变量为未来价格变化百分比（连续值）
+            dataframe["up_or_down"] = (
+                dataframe["close"].shift(-label_period) - dataframe["close"]
+            ) / dataframe["close"]
+
+            # 数据清理：处理 NaN 和 Inf 值
+            dataframe["up_or_down"] = dataframe["up_or_down"].replace([np.inf, -np.inf], np.nan)
+            dataframe["up_or_down"] = dataframe["up_or_down"].ffill().fillna(0)
+
             # 确保目标变量是二维数组
             if dataframe["up_or_down"].ndim == 1:
                 dataframe["up_or_down"] = dataframe["up_or_down"].values.reshape(-1, 1)