Fatal error: Uncaught PDOException: SQLSTATE[HY000] [2002] Connection refused in /home/wwwroot/tianxincaifu888/wwwroot/vendor/workerman/mysql/src/Connection.php:1730 Stack trace: #0 /home/wwwroot/tianxincaifu888/wwwroot/vendor/workerman/mysql/src/Connection.php(1730): PDO->__construct('mysql:dbname=ti...', 'tianxincaifu888', 'hnk5y343', Array) #1 /home/wwwroot/tianxincaifu888/wwwroot/vendor/workerman/mysql/src/Connection.php(1717): Workerman\MySQL\Connection->connect() #2 /home/wwwroot/tianxincaifu888/wwwroot/index.php(13): Workerman\MySQL\Connection->__construct('127.0.0.1', '3306', 'tianxincaifu888', 'hnk5y343', 'tianxincaifu888') #3 {main} thrown in /home/wwwroot/tianxincaifu888/wwwroot/vendor/workerman/mysql/src/Connection.php on line 1730