无法连接数据库:php_network_getaddresses: getaddrinfo failed: Name or service not known

>  /app/base/lib/db/connections.php:132
> #0trigger_error(...无法连接数据库:php_network_getaddresses: getaddrinfo failed: Name or service not known,256)connections.php:132
#1base_db_connections->_connect(...rm-bp1242f983i23830l.mysql.rds.aliyuncs.com,gnc_oms,Gnc@12345,gnc_oms)connections.php:121
#2base_db_connections->_rw_conn()connections.php:106
#3base_db_connections->_ro_conn()connections.php:62
#4base_db_connections->select(...select id from `sdb_base_kvstore` where 1 AND `prefix` = "setting/desktop" AND `key` = "entermembercenter_auth_use_pre_auth" LIMIT 0, 18446744073709551615)connections.php:95
#5base_db_connections->selectlimit(...select id from `sdb_base_kvstore` where 1 AND `prefix` = "setting/desktop" AND `key` = "entermembercenter_auth_use_pre_auth",-1,0)model.php:40
#6base_db_model->getList(...id,Array)mysql.php:26
#7base_kvstore_mysql->store(...entermembercenter_auth_use_pre_auth,1,0)kvstore.php:263
#8base_kvstore->persistent(...entermembercenter_auth_use_pre_auth,1,0)kvstore.php:226
#9base_kvstore->store(...entermembercenter_auth_use_pre_auth,1)app.php:166
#10app->setConf(...entermembercenter_auth_use_pre_auth,1)controller.php:31
#11desktop_controller->__construct("")kernel.php:307
#12kernel::single(...desktop_ctl_default,)app.php:84
#13app->controller(...default)router.php:30
#14desktop_router->dispatch(...2021/index.html)kernel.php:149
#15kernel::boot()index.php:4

Fatal error: Uncaught exception 'ErrorException' with message '无法连接数据库:php_network_getaddresses: getaddrinfo failed: Name or service not known' in /opt/nginx/html/gnc-oms-backup-20211204/app/base/lib/db/connections.php:132 Stack trace: #0 [internal function]: kernel::exception_error_handler(256, '???????????????...', '/opt/nginx/html...', 132, Array) #1 /opt/nginx/html/gnc-oms-backup-20211204/app/base/lib/db/connections.php(132): trigger_error('???????????????...', 256) #2 /opt/nginx/html/gnc-oms-backup-20211204/app/base/lib/db/connections.php(121): base_db_connections->_connect('rm-bp1242f983i2...', 'gnc_oms', 'Gnc@12345', 'gnc_oms') #3 /opt/nginx/html/gnc-oms-backup-20211204/app/base/lib/db/connections.php(106): base_db_connections->_rw_conn() #4 /opt/nginx/html/gnc-oms-backup-20211204/app/base/lib/db/connections.php(62): base_db_connections->_ro_conn() #5 /opt/nginx/html/gnc-oms-backup-20211204/app/base/lib/db/connections.php(95): base_db_connections->select('select id from ...') #6 /opt/nginx/html/gnc-om in /opt/nginx/html/gnc-oms-backup-20211204/app/base/lib/db/connections.php on line 132