Help with auto restart

Hello everyone, I need help:

I make BungeeCord server on my Debian OS but I want to make autorestart Bungee with cronjob (crontab).. Start.sh working good and my script to restart normal Spigot servers working good.. Script auto open screen type END to close(stop) Bungee and after that i can't start up bungee ? Somebody know some script or can help to me. Thanks in advance