原本用的好好的，手欠重启了一下服务，结果就启动失败了
错误如下：
PHP Fatal error: Uncaught PDOException: PDO::construct(): php_network_getaddresses: getaddrinfo failed: Name does not resolve in /flarum/app/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php:38
Stack trace:
#0 /flarum/app/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php(38): PDO->construct()
#1 /flarum/app/vendor/illuminate/database/Connectors/Connector.php(67): Doctrine\DBAL\Driver\PDOConnection->__construct()
#2 /flarum/app/vendor/illuminate/database/Connectors/Connector.php(46): Illuminate\Database\Connectors\Connector->createPdoConnection()
#3 /flarum/app/vendor/illuminate/database/Connectors/MySqlConnector.php(24): Illuminate\Database\Connectors\Connector->createConnection()
#4 /flarum/app/vendor/illuminate/database/Connectors/ConnectionFactory.php(182): Illuminate\Database\Connectors\MySqlConnector->connect()
#5 [internal function]: Illuminate\Database\Connectors\ConnectionFactory->Illuminate\Database\Connectors{closure}()
#6 /flarum/app/vendor/illuminate/database/Connection.php(924): c in /flarum/app/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDO/Exception.php on line 18