Fatal error: Uncaught Error: Class 'Database' not found in /www/wwwroot/i.liuxi.cc/Auth.php:8 Stack trace: #0 /www/wwwroot/i.liuxi.cc/index.php(3): Auth->__construct() #1 {main} thrown in /www/wwwroot/i.liuxi.cc/Auth.php on line 8