diff --git a/problems/回溯算法去重问题的另一种写法.md b/problems/回溯算法去重问题的另一种写法.md
index cbfe046a..c7bf24bc 100644
--- a/problems/回溯算法去重问题的另一种写法.md
+++ b/problems/回溯算法去重问题的另一种写法.md
@@ -418,7 +418,7 @@ function combinationSum2(candidates, target) {
 
 **47. 全排列 II**
 
-```javaescript
+```javascript
 function permuteUnique(nums) {
     const resArr = [];
     const usedArr = [];