diff --git a/notes/32.3 按之字形顺序打印二叉树.md b/notes/32.3 按之字形顺序打印二叉树.md
index 640caaad..a38860db 100644
--- a/notes/32.3 按之字形顺序打印二叉树.md	
+++ b/notes/32.3 按之字形顺序打印二叉树.md	
@@ -1,6 +1,6 @@
 # 32.3 按之字形顺序打印二叉树
 
-[NowCoder](https://www.nowcoder.com/practice/91b69814117f4e8097390d107d2efbe0?tpId=13&tqId=11212&tPage=1&rp=1&ru=/ta/coding-interviews&qru=/ta/coding-interviews/question-ranking&from=cyc_github)
+[Leetcode](https://leetcode.cn/problems/cong-shang-dao-xia-da-yin-er-cha-shu-iii-lcof/)
 
 ## 题目描述
 
@@ -9,13 +9,13 @@
 ## 解题思路
 
 ```java
-public ArrayList<ArrayList<Integer>> Print(TreeNode pRoot) {
-    ArrayList<ArrayList<Integer>> ret = new ArrayList<>();
+public List<List<Integer>> decorateRecord(TreeNode root) {
+    List<List<Integer>> ret = new ArrayList<>();
     Queue<TreeNode> queue = new LinkedList<>();
-    queue.add(pRoot);
+    queue.add(root);
     boolean reverse = false;
     while (!queue.isEmpty()) {
-        ArrayList<Integer> list = new ArrayList<>();
+        List<Integer> list = new ArrayList<>();
         int cnt = queue.size();
         while (cnt-- > 0) {
             TreeNode node = queue.poll();