diff --git a/function.py b/function.py
index ea8690f..18316cd 100644
--- a/function.py
+++ b/function.py
@@ -28,9 +28,6 @@ name = "Tanjunfeng"
 
 # 这里写自己的代码实现
 
-import numpy as np
-
-
 def sigmoid(z):
     return 1 / (1 + np.exp(-z))
 
@@ -91,6 +88,12 @@ def load_data(filepath):
     - np.array: 标签数据。
     """
     data = np.genfromtxt(filepath, delimiter=' ', dtype=np.float64)
+
+    # 处理缺失值，这里简单使用均值填充（仅为示例，可根据实际情况调整）
+    column_means = np.nanmean(data, axis=0)
+    inds = np.where(np.isnan(data))
+    data[inds] = np.take(column_means, inds[1])
+
     X = data[:, :-1]
     y = data[:, -1].reshape(-1, 1)
     return X, y
@@ -109,4 +112,5 @@ if __name__ == "__main__":
 
     # 测试单个数据
     y_pred = predict_logreg(X_test[11], weights)
-    print(f"预测结果: {y_pred}, 实际结果: {y_test[11]}")
\ No newline at end of file
+    print(f"预测结果: {y_pred}, 实际结果: {y_test[11]}")
+