diff --git a/problems/0541.反转字符串II.md b/problems/0541.反转字符串II.md
index 75ac39b0..6171613f 100644
--- a/problems/0541.反转字符串II.md
+++ b/problems/0541.反转字符串II.md
@@ -134,7 +134,7 @@ class Solution {
 ```
 
 Python：
-```python3
+```python
 
 class Solution(object):
     def reverseStr(self, s, k):