Fatal error: Uncaught PDOException: SQLSTATE[HY000] [2002] Connection refused in /www/wwwroot/tu.naitwo.cn/src/Database.php:28 Stack trace: #0 /www/wwwroot/tu.naitwo.cn/src/Database.php(28): PDO->__construct() #1 /www/wwwroot/tu.naitwo.cn/bootstrap.php(25): App\Database::connect() #2 /www/wwwroot/tu.naitwo.cn/index.php(3): require('...') #3 {main} Next RuntimeException: 数据库连接失败：SQLSTATE[HY000] [2002] Connection refused in /www/wwwroot/tu.naitwo.cn/src/Database.php:32 Stack trace: #0 /www/wwwroot/tu.naitwo.cn/bootstrap.php(25): App\Database::connect() #1 /www/wwwroot/tu.naitwo.cn/index.php(3): require('...') #2 {main} thrown in /www/wwwroot/tu.naitwo.cn/src/Database.php on line 32