链接数据库错误：
InternalError: (1130, u"Host ‘97.64.40.100‘ is not allowed to connect to this MySQL server")
mysql -uroot -p create user ‘root‘@‘%‘ identified by ‘root‘; grant all privileges on *.* to ‘root‘@‘%‘ with grant option;
参考链接：sspanel远程节点
参考链接：修改mysql 用户权限