php_network_getaddresses: getaddrinfo failed: Name or service not known

FILE: /data/www/neilian_bj/ThinkPHP/Lib/Core/Db.class.php 　LINE: 162

[24-04-19 10:31:04] /data/www/neilian_bj/ThinkPHP/Lib/Core/Db.class.php (162) DbMysql->connect()
[24-04-19 10:31:04] /data/www/neilian_bj/ThinkPHP/Lib/Driver/Db/DbMysql.class.php (94) Db->initConnect()
[24-04-19 10:31:04] /data/www/neilian_bj/ThinkPHP/Lib/Driver/Db/DbMysql.class.php (216) DbMysql->query(SHOW COLUMNS FROM `fx_gyfx`)
[24-04-19 10:31:04] /data/www/neilian_bj/ThinkPHP/Lib/Core/Model.class.php (135) DbMysql->getFields(fx_gyfx)
[24-04-19 10:31:04] /data/www/neilian_bj/ThinkPHP/Lib/Core/Model.class.php (123) Model->flush()
[24-04-19 10:31:04] /data/www/neilian_bj/ThinkPHP/Lib/Core/Model.class.php (1190) Model->_checkTableInfo()
[24-04-19 10:31:04] /data/www/neilian_bj/ThinkPHP/Lib/Core/Model.class.php (98) Model->db(0, DB_CUSTOM)
[24-04-19 10:31:04] /data/www/neilian_bj/ThinkPHP/Common/common.php (270) Model->__construct()
[24-04-19 10:31:04] /data/www/neilian_bj/neilian_bj/Lib/Action/GyfxAction.class.php (252) D(Gyfx)
[24-04-19 10:31:04] /data/www/neilian_bj/neilian_bj/Lib/Action/GyfxAction.class.php (28) GyfxAction->getCustomDB()
[24-04-19 10:31:04] /data/www/neilian_bj/ThinkPHP/Common/common.php (321) GyfxAction->__construct()
[24-04-19 10:31:04] /data/www/neilian_bj/ThinkPHP/Lib/Core/App.class.php (103) A(Ucenter/Notice)
[24-04-19 10:31:04] /data/www/neilian_bj/ThinkPHP/Lib/Core/App.class.php (207) App::exec()
[24-04-19 10:31:04] /data/www/neilian_bj/ThinkPHP/Lib/Core/Think.class.php (39) App::run()
[24-04-19 10:31:04] /data/www/neilian_bj/ThinkPHP/Common/runtime.php (242) Think::start()
[24-04-19 10:31:04] /data/www/neilian_bj/ThinkPHP/ThinkPHP.php (34) require(/data/www/neilian_bj/ThinkPHP/Common/runtime.php)
[24-04-19 10:31:04] /data/www/neilian_bj/neilian_bj/index.php (48) require(/data/www/neilian_bj/ThinkPHP/ThinkPHP.php)