diff --git a/problems/二叉树中递归带着回溯.md b/problems/二叉树中递归带着回溯.md
index 20b87f87..03815ed3 100644
--- a/problems/二叉树中递归带着回溯.md
+++ b/problems/二叉树中递归带着回溯.md
@@ -515,6 +515,29 @@ var binaryTreePaths = function(root) {
 };
 ```
 
+TypeScript：
+
+> 相同的树
+
+```typescript
+function isSameTree(p: TreeNode | null, q: TreeNode | null): boolean {
+    if (p === null && q === null) return true;
+    if (p === null || q === null) return false;
+    if (p.val !== q.val) return false;
+    let bool1: boolean, bool2: boolean;
+    bool1 = isSameTree(p.left, q.left);
+    bool2 = isSameTree(p.right, q.right);
+    return bool1 && bool2;
+};
+```
+
+> 二叉树的不同路径
+
+```typescript
+```
+
+
+
 
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 <div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>