Panel installed successully but php,mysql,nginx packages cant installing because of download.bt.cn not responding.
I tried ubuntu too but same problem i have.
//Edit
Problem solved, install centos 8 and used below codes,
echo "103.224.251.67 download.bt.cn" >> /etc/hosts
curl -sSO http://www.aapanel.com/script/new_install_en.sh && bash new_install_en.sh