Update binary_tree.md

2 years ago · f1ba6c679c
parent 003dcc56f4
commit f1ba6c679c
1 changed files with 1 additions and 2 deletions
--- a/docs/chapter_tree/binary_tree.md
+++ b/docs/chapter_tree/binary_tree.md
@ -68,8 +68,7 @@ comments: true
        this.val = (val === undefined ? 0 : val) // 结点值
        this.left = (left === undefined ? null : left) // 左子结点指针
        this.right = (right === undefined ? null : right) // 右子结点指针
-  }
+    }
    ```
 === "TypeScript"