diff --git a/function.py b/function.py
index b9f46c8..32b1ee7 100644
--- a/function.py
+++ b/function.py
@@ -108,7 +108,7 @@ if __name__ == "__main__":
 
     # 训练对率回归模型
     weights = train_logreg(X_train, y_train, learning_rate=0.01, iterations=1000,lambda_reg=0.01)
-    X_train, X_test, y_train, y_test = train_test_split(X_scaled, y, test_size=0.2, random_state=42)
+    X_train, X_test, y_train, y_test = train_test_split(X_train, y_train, test_size=0.2, random_state=42)
 
     # 测试单个数据
     y_pred = predict_logreg(X_test[11], weights)