diff --git a/problems/0046.全排列.md b/problems/0046.全排列.md
index d177e391..89ad00cc 100644
--- a/problems/0046.全排列.md
+++ b/problems/0046.全排列.md
@@ -149,6 +149,7 @@ public:
 Java：
 ```java
 class Solution {
+
     List<List<Integer>> result = new ArrayList<>();// 存放符合条件结果的集合
     LinkedList<Integer> path = new LinkedList<>();// 用来存放符合条件结果
     boolean[] used;
@@ -167,9 +168,6 @@ class Solution {
             return;
         }
         for (int i = 0; i < nums.length; i++){
-            // if (path.contains(nums[i])){
-            //     continue;
-            // }
             if (used[i]){
                 continue;
             }