diff --git a/function.py b/function.py
index 2ec9165..c9afc74 100644
--- a/function.py
+++ b/function.py
@@ -43,7 +43,7 @@ name = "章程鸿"
 import numpy as np
 from collections import Counter
 
-def classify0(inX, dataSet, labels, k=0):
+def classify0(inX, dataSet, labels, k=2):
     """
     KNN 分类算法。