From fd72bef9d5857d269bed45ecc798c9b0bac3d8d7 Mon Sep 17 00:00:00 2001
From: xueweihan <595666367@qq.com>
Date: Mon, 13 Mar 2023 09:48:24 +0800
Subject: [PATCH] update readme

---
 README_template.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/README_template.md b/README_template.md
index 1a60c9670..64ffc689c 100644
--- a/README_template.md
+++ b/README_template.md
@@ -87,8 +87,14 @@ hosts 文件在每个系统的位置不一，详情如下：
 
 ### 2.3 一行命令 (适用于类 Unix 系统)
 
+# for GNU sed (Ubuntu/CentOS/Fedora)
+
 `sed -i "/# GitHub520 Host Start/Q" /etc/hosts && curl https://raw.hellogithub.com/hosts >> /etc/hosts`
 
+# for BSD/macOS sed
+
+`sed -i "" "/# GitHub520 Host Start/,/# Github520 Host End/d" /etc/hosts && curl https://raw.hellogithub.com/hosts >> /etc/hosts`
+
 将上面的命令添加到 cron，可定时执行。使用前确保 GitHub520 内容在该文件最后部分。
 
 ### 2.4 AdGuard 用户（自动方式）