diff --git a/function.py b/function.py
index a31aea5..1908924 100644
--- a/function.py
+++ b/function.py
@@ -68,7 +68,7 @@ def classify0(inX, dataSet, labels):
         classCount[voteLabel]=classCount.get(voteLabel,0)+1
 # 返回出现次数最多的标签
     sortedClasscount=sorted(
-        classCount.items(), key=operator, itemgetter(1), reverse = True
+        classCount.items(), key=operator.itemgetter(1), reverse = True
     )
     return sortedclassCount[0][0]