现象：
装完Centos7的Gnome桌面重启提示：
Initial setup of CentOS Linux 7 (core)
1) [x] Creat user 2) [!] License information
(no user will be created) (license not accepted)
Please make your choice from above ['q' to quit | 'c' to continue | 'r' to refresh]: 等等
解决方法：
输入“1”，按Enter键
输入“2”，按Enter键
输入“q"，按Enter键
输入“yes”，按Enter键