Fatal error: Uncaught Exception: 数据库连接失败，请检查配置 in /www/wwwroot/eee.xianlancha.top/classes/Database.php:21 Stack trace: #0 /www/wwwroot/eee.xianlancha.top/classes/Database.php(27): Database->__construct() #1 /www/wwwroot/eee.xianlancha.top/classes/BaseController.php(9): Database::getInstance() #2 /www/wwwroot/eee.xianlancha.top/index.php(137): BaseController->__construct() #3 {main} thrown in /www/wwwroot/eee.xianlancha.top/classes/Database.php on line 21