Fatal error: Uncaught Error: Call to undefined function config() in E:\xampp\htdocs\www\yunwei\qr251\storage\framework\views\a531f82f8ebcc751cfd2569e7e12183ff28ddd14.php:28 Stack trace: #0 {main} thrown in E:\xampp\htdocs\www\yunwei\qr251\storage\framework\views\a531f82f8ebcc751cfd2569e7e12183ff28ddd14.php on line 28