diff --git a/problems/0332.重新安排行程.md b/problems/0332.重新安排行程.md
index 144672a9..bc453c51 100644
--- a/problems/0332.重新安排行程.md
+++ b/problems/0332.重新安排行程.md
@@ -379,6 +379,8 @@ class Solution {
             String targetLocation;
             //遍历从当前位置出发的机票
             for (int i = 0; i < targetLocations.size(); i++) {
+		//去重，否则在最后一个测试用例中遇到循环时会无限递归
+                if(i > 0 && targetLocations.get(i).equals(targetLocations.get(i - 1))) continue;
                 targetLocation = targetLocations.get(i);
                 //删除终点列表中当前的终点
                 targetLocations.remove(i);