diff --git a/function.py b/function.py
index 17ffcb6..7f551ad 100644
--- a/function.py
+++ b/function.py
@@ -38,7 +38,7 @@ name = "吴俊煯"
 
 
 # 这里写自己的代码实现
-def classify0(inX, dataSet, labels):
+def classify0(inX, dataSet, labels,k=3):
     """
     KNN 分类算法。