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 8014d6e1..372dc40c 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
@@ -336,6 +336,7 @@ class Solution:
 ```
 
 Go：
+
 100.相同的树
 ```go
 /**
@@ -351,7 +352,6 @@ func isSameTree(p *TreeNode, q *TreeNode) bool {
 	case p == nil && q == nil:
 		return true
 	case p == nil || q == nil:
-    fmt.Println(p,q)
 		fallthrough
 	case p.Val != q.Val:
 		return false