Fatal error: Uncaught EFramework\core\code\EError: Cannot connect to `172.18.30.135` , using cfg with NULL. More info :SQLSTATE[HY000] [2002] Connection refused in /www/wwwroot/dby.lulutubu.com/source/vendor/EFramework/database/PDOConnection.php:60 Stack trace: #0 /www/wwwroot/dby.lulutubu.com/source/vendor/EFramework/database/DBInstance.php(127): EFramework\database\PDOConnection->__construct(NULL) #1 /www/wwwroot/dby.lulutubu.com/source/vendor/EFramework/database/DBInstance.php(92): EFramework\database\DBInstance->createConnection(NULL) #2 /www/wwwroot/dby.lulutubu.com/source/vendor/EFramework/database/DB.php(51): EFramework\database\DBInstance->__construct() #3 /www/wwwroot/dby.lulutubu.com/source/vendor/EFramework/core/controller/EWebController.php(74): EFramework\database\DB::__callStatic('addSlashes', Array) #4 /www/wwwroot/dby.lulutubu.com/source/vendor/EFramework/core/app/ERoute.php(136): EFramework\core\controller\EWebController->onBefore() #5 /www/wwwroot/dby.lulutubu.com/source/vendor/EFramework/core/app/ERoute in /www/wwwroot/dby.lulutubu.com/source/vendor/EFramework/database/PDOConnection.php on line 60