MySQL Error:

Can not connect to MySQL server Error description: php_network_getaddresses: getaddrinfo failed: Name or service not known
Error number: 2002
Date: 2021-11-27 @ 07:44
Script: http://www.youxueabc.com/review.php?act=member&ac=add

Debug backtrace:

FileLineFunction
core/lib/mysql.php36ms_mysql->_halt()
core/lib/activerecord.php17ms_mysql->connect()
core/init.php67ms_activerecord->__construct()
review.php8require()