Can not access Control Panel (8090) after upgrade

I recently upgrade cyberpanel with this commend:

sh <(curl https://raw.githubusercontent.com/usmannasir/cyberpanel/stable/preUpgrade.sh || wget -O - https://raw.githubusercontent.com/usmannasir/cyberpanel/stable/preUpgrade.sh)

upgraded successfully but i can not access login page ip:8090 .

please help !