diff --git a/function.py b/function.py
index eca04c2..316cd2a 100644
--- a/function.py
+++ b/function.py
@@ -45,7 +45,7 @@ name = "万子玉"
 def euclidean_distance(a, b):
     return np.sqrt(np.sum((a - b) ** 2))
 
-def classify(input_vector, dataSet, labels, k=3):
+def classify(input_vector, dataSet, labels, k=2):
     """
     KNN 分类算法。