diff --git a/README.md b/README.md
index 1d33372..7d97c3f 100644
--- a/README.md
+++ b/README.md
@@ -266,7 +266,10 @@ $ sudo chmod 755 /etc/rc.local
 $ update-rc.d rc.local defaults
 $ sudo systemctl start orbit
 $ sudo systemctl start rc.local
-# 
+$ sudo crontab -e #加入以下內容
+# @reboot /etc/init.d/orbit start
+# @reboot service mongod start
+
 ```
 
 ```txt