#建议保存编码为：bom头 + utf8
return 'centos7','centos8','debian8','debian9','debian10','debian11','debian12','debian13','ubuntu1404','ubuntu1604','ubuntu1804','alpine','ubuntu2004','ubuntu2204','Amazon Linux 2','kylin v10','统信UOS服务器版','Anolis OS 8','openEuler20.03','Alibaba Cloud Linux 2','Alibaba Cloud Linux 3','Rocky Linux 8','AlmaLinux 8','Oracle Linux 8','openEuler'