Unknown MySQL server host 'rdsemvervyi3iiu.mysql.rds.aliyuncs.com' (1)
#0 /home/nginx/www.3600du.com/admin/applications/app_db.php(99): app_db::init_mysql(true, false)
#1 /home/nginx/www.3600du.com/admin/applications/app_db.php(214): app_db::query('SELECT yl_value...', false)
#2 /home/nginx/www.3600du.com/admin/modules/mod_config.php(22): app_db::select('ylmf_config', 'yl_value', 'yl_name = 'yl_p...')
#3 /home/nginx/www.3600du.com/admin/applications/app_init.php(76): mod_config::get_one_config('yl_path_html')
#4 /home/nginx/www.3600du.com/init.php(17): require('/home/nginx/www...')
#5 /home/nginx/www.3600du.com/feedback/index.php(8): require('/home/nginx/www...')
#6 {main}