Fatal error: Uncaught Error: Class 'think\Route' not found in E:\xampp\htdocs\www\TT\ThinkPHP\vendor\topthink\think-captcha\src\helper.php:12 Stack trace: #0 {main} thrown in E:\xampp\htdocs\www\TT\ThinkPHP\vendor\topthink\think-captcha\src\helper.php on line 12