免费开机Free
boot
和生成的免费账号一样，上机都是不计费的，免费账号需要客户端输入账号密码登录，免费开机直接服务端操作，下面机器会自动开机Just
like the free account generated, the free account is free of charge. The free
account requires the client to input the account password and log in. The free
account is operated by the server directly
