diff --git a/problems/0242.有效的字母异位词.md b/problems/0242.有效的字母异位词.md
index 101dd6f2..4ea43947 100644
--- a/problems/0242.有效的字母异位词.md
+++ b/problems/0242.有效的字母异位词.md
@@ -163,6 +163,7 @@ class Solution(object):
         a_count = Counter(s)
         b_count = Counter(t)
         return a_count == b_count
+```
 
 Go：