warning:mysqli::mysqli():mysqlserverhasgoneawayin/www/wwwroot/134.172.12.151/yg_index.phponline11
warning:mysqli::mysqli():(hy000/2006):mysqlserverhasgoneawayin/www/wwwroot/134.172.12.151/yg_index.phponline11
error:(2006)mysqlserverhasgoneaway