错误提示：
创建数据库出错：Error 1064: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '-wiki CHARACTER SET utf8' at line 1

Server: MariaDB
Server version: 10.1.37-MariaDB-0+deb9u1 Debian 9.6
Protocol version: 10
Connection: Localhost via UNIX socket
Server characterset: utf8mb4
Db characterset: utf8mb4
Client characterset: utf8mb4
Conn. characterset: utf8mb4

另外，内存限值最低500M有什么依据吗？在一个492M的KVM上尝试安装失败，只能手动修改了下install.go