diff --git a/function.py b/function.py
index 84fc704..0a4c771 100644
--- a/function.py
+++ b/function.py
@@ -54,15 +54,16 @@ def load_data(filepath):
     - np.array: 特征数据。
     - np.array: 标签数据。
     """
-    data = np.loadtxt(filepath, delimiter=",", dtype=float)
+
+    data = np.genfromtxt(filepath, delimiter=" ", dtype=float, missing_values="?", filling_values=np.nan)
     
-    # 检查缺失值并使用列均值进行填充
+    # 使用列均值填充缺失值
     col_means = np.nanmean(data, axis=0)
     indices = np.where(np.isnan(data))
     data[indices] = np.take(col_means, indices[1])
     
-    X = data[:, :-1]
-    y = data[:, -1]
+    X = data[:, :-1]  # 特征
+    y = data[:, -1]   # 标签
     return X, y
 
 if __name__ == "__main__":