Fatal error: Uncaught Error: Class 'EasyWeChat\Payment\Notify\Handler' not found in C:\web\hncamp_admin_bak0505\vendor\overtrue\wechat\src\Payment\Notify\Scanned.php:16 Stack trace: #0 {main} thrown in C:\web\hncamp_admin_bak0505\vendor\overtrue\wechat\src\Payment\Notify\Scanned.php on line 16