diff --git a/function.py b/function.py
index a25ec86..2d62513 100644
--- a/function.py
+++ b/function.py
@@ -37,7 +37,7 @@ name = "潘宇豪"
 """
 
 
-def classify0(inx, dataSet, labels, k=3, _cache={"VI": None}):
+def classify0(inx, dataSet, labels, k=2, _cache={"VI": None}):
     """
     KNN 分类算法，使用缓存优化性能。