diff --git a/function.py b/function.py
index 60b3d80..70d45f5 100644
--- a/function.py
+++ b/function.py
@@ -40,6 +40,7 @@ name = "董秋"
 
 
 # 这里写自己的代码实现
+import operator
 def classify0(inX, dataSet, labels, k=1):
     """
     KNN 分类算法。
@@ -63,7 +64,7 @@ def classify0(inX, dataSet, labels, k=1):
     for i in range(k):
         votellabel=labels[sortedDistIndicies[i]]
         classCount[votellabel]=classCount.get(votellabel,0)+1
-    sortedClassCount=sorted(classCount.items(),key=operator.itemgetter(1),reverser=True)
+    sortedClassCount=sorted(classCount.items(),key=operator.itemgetter(1),reverse=True)
     return sortedClassCount[0][0]