From 87870fcf6004d133e4336e06666716b814dcc422 Mon Sep 17 00:00:00 2001
From: krahets <krahets@163.com>
Date: Sun, 16 Apr 2023 05:14:34 +0800
Subject: [PATCH] build

---
 chapter_backtracking/backtracking_algorithm.md | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/chapter_backtracking/backtracking_algorithm.md b/chapter_backtracking/backtracking_algorithm.md
index fdac5c56b..c9956c0b5 100644
--- a/chapter_backtracking/backtracking_algorithm.md
+++ b/chapter_backtracking/backtracking_algorithm.md
@@ -20,15 +20,12 @@ comments: true
         if (root == null) {
             return;
         }
-        // 尝试
         if (root.val == 7) {
             // 记录解
             res.add(root);
         }
         preOrder(root.left);
         preOrder(root.right);
-        // 回退
-        return;
     }
     ```
 
@@ -153,7 +150,6 @@ comments: true
         pre_order(root.right)
         # 回退
         path.pop()
-        return
     ```
 
 === "Go"
@@ -286,7 +282,6 @@ comments: true
         pre_order(root.right)
         # 回退
         path.pop()
-        return
     ```
 
 === "Go"