diff --git a/README.md b/README.md
index ebf6ec20a..749661c9b 100644
--- a/README.md
+++ b/README.md
@@ -139,7 +139,7 @@ hosts 文件在每个系统的位置不一，详情如下：
 
 #### BSD/macOS
 
-`sed -i "" "/# GitHub520 Host Start/,/# Github520 Host End/d" /etc/hosts && curl https://raw.hellogithub.com/hosts >> /etc/hosts`
+`sudo sed -i "" "/# GitHub520 Host Start/,/# Github520 Host End/d" /etc/hosts && curl https://raw.hellogithub.com/hosts | sudo tee -a /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。