From c6bcd423d6bdab6375e3af8bc7c3c01bfc0518a1 Mon Sep 17 00:00:00 2001
From: jinbudaily <18336218010@163.com>
Date: Thu, 20 Jul 2023 15:48:05 +0800
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---
 problems/二叉树理论基础.md | 23 ++++++++++++-----------
 1 file changed, 12 insertions(+), 11 deletions(-)

diff --git a/problems/二叉树理论基础.md b/problems/二叉树理论基础.md
index 4098cf1f..184dba60 100644
--- a/problems/二叉树理论基础.md
+++ b/problems/二叉树理论基础.md
@@ -8,8 +8,11 @@
 
 # 二叉树理论基础篇
 
+## 算法公开课
 
-《代码随想录》算法视频公开课：[关于二叉树，你该了解这些！](https://www.bilibili.com/video/BV1Hy4y1t7ij)，相信结合视频在看本篇题解，更有助于大家对本题的理解。
+**[《代码随想录》算法视频公开课](https://programmercarl.com/other/gongkaike.html)：[关于二叉树，你该了解这些！](https://www.bilibili.com/video/BV1Hy4y1t7ij)，相信结合视频再看本篇题解，更有助于大家对本题的理解**。
+
+## 题目分类
 
 
 题目分类大纲如下：
@@ -189,8 +192,7 @@ struct TreeNode {
 
 ## 其他语言版本
 
-
-Java：
+### Java：
 
 ```java
 public class TreeNode {
@@ -208,8 +210,7 @@ public class TreeNode {
 }
 ```
 
-
-Python：
+### Python：
 
 ```python
 class TreeNode:
@@ -219,7 +220,7 @@ class TreeNode:
         self.right = right
 ```
 
-Go：
+### Go：
 
 ```go
 type TreeNode struct {
@@ -229,7 +230,7 @@ type TreeNode struct {
 }
 ```
 
-JavaScript：
+### JavaScript：
 
 ```javascript
 function TreeNode(val, left, right) {
@@ -239,7 +240,7 @@ function TreeNode(val, left, right) {
 }
 ```
 
-TypeScript：
+### TypeScript：
 
 ```typescript
 class TreeNode {
@@ -254,7 +255,7 @@ class TreeNode {
 }
 ```
 
-Swift:
+### Swift:
 
 ```Swift
 class TreeNode<T> {
@@ -271,7 +272,7 @@ class TreeNode<T> {
 }
 ```
 
-Scala:
+### Scala:
 
 ```scala
 class TreeNode(_value: Int = 0, _left: TreeNode = null, _right: TreeNode = null) {
@@ -281,7 +282,7 @@ class TreeNode(_value: Int = 0, _left: TreeNode = null, _right: TreeNode = null)
 }
 ```
 
-rust:
+### Rust:
 
 ```rust
 #[derive(Debug, PartialEq, Eq)]