diff --git a/problems/0236.二叉树的最近公共祖先.md b/problems/0236.二叉树的最近公共祖先.md
index bd312096..69127bd9 100644
--- a/problems/0236.二叉树的最近公共祖先.md
+++ b/problems/0236.二叉树的最近公共祖先.md
@@ -223,12 +223,10 @@ public:
 
 
 Java：
-
 ```Java
 class Solution {
     public TreeNode lowestCommonAncestor(TreeNode root, TreeNode p, TreeNode q) {
         return lowestCommonAncestor1(root, p, q);
-
     }
     public TreeNode lowestCommonAncestor1(TreeNode root, TreeNode p, TreeNode q) {
         if (root == null || root == p || root == q) {
@@ -247,6 +245,7 @@ class Solution {
 }
 ```
 
+
 ```java
 // 代码精简版
 class Solution {
@@ -261,6 +260,7 @@ class Solution {
         else return null;
     }
 }
+```
 
 Python：