Fatal error: Uncaught PDOException: SQLSTATE[HY000] [2002] 由于目标计算机积极拒绝，无法连接。 in C:\ACore\ACore\www\Registration\application\vendor\catfan\medoo\src\Medoo.php:478 Stack trace: #0 C:\ACore\ACore\www\Registration\application\include\database.php(17): Medoo\Medoo->__construct(Array) #1 C:\ACore\ACore\www\Registration\application\loader.php(84): database::db_connect() #2 C:\ACore\ACore\www\Registration\index.php(32): require_once('C:\\ACore\\ACore\\...') #3 {main} thrown in C:\ACore\ACore\www\Registration\application\vendor\catfan\medoo\src\Medoo.php on line 478