diff --git a/function.py b/function.py
index 9a3d930..1e90221 100644
--- a/function.py
+++ b/function.py
@@ -32,7 +32,7 @@ def sigmoid(z):
     """计算sigmoid函数"""
     return 1 / (1 + np.exp(-z))
 
-def train_logreg(X, y, learning_rate=0.01, iterations=1000，l2_penalty=0.01):
+def train_logreg(X, y, learning_rate=0.01, iterations=1000l,2_penalty=0.01):
     """对率回归训练函数。"""
     weights = np.zeros(X.shape[1])