Fatal error: Uncaught Error: Class "WeChat\Contracts\BasicWePay" not found in /home/ehtio/tecon/vendor/zoujingli/wechat-developer/WePay/Order.php:25 Stack trace: #0 {main} thrown in /home/ehtio/tecon/vendor/zoujingli/wechat-developer/WePay/Order.php on line 25