Fatal error: Uncaught PDOException: 数据库连接失败，请稍后重试 in D:\wwwroot\aprool.com\config\connection.php:72 Stack trace: #0 D:\wwwroot\aprool.com\index.php(10): conn() #1 {main} thrown in D:\wwwroot\aprool.com\config\connection.php on line 72