/usr/local/directadmin/data/users/代理ID/u_welcome.txt 改邮件语言
/usr/local/directadmin/custombuild DA组件包
/usr/local/directadmin/data/templates/custom 登陆界面
/usr/local/directadmin/custombuild DA组件包
/usr/local/directadmin/data/templates/custom 登陆界面
