Fatal error: Uncaught Error: Class 'think\Validate' not found in /wwww/www/www.paopaodyw.cc/vendor/topthink/think-captcha/src/helper.php:14 Stack trace: #0 /wwww/www/www.paopaodyw.cc/thinkphp/library/think/Loader.php(676): require() #1 /wwww/www/www.paopaodyw.cc/thinkphp/library/think/Loader.php(361): think\__require_file('/wwww/www/www.p...') #2 /wwww/www/www.paopaodyw.cc/thinkphp/library/think/Loader.php(317): think\Loader::loadComposerAutoloadFiles() #3 /wwww/www/www.paopaodyw.cc/thinkphp/base.php(59): think\Loader::register() #4 /wwww/www/www.paopaodyw.cc/thinkphp/start.php(16): require('/wwww/www/www.p...') #5 /wwww/www/www.paopaodyw.cc/index.php(39): require('/wwww/www/www.p...') #6 {main} thrown in /wwww/www/www.paopaodyw.cc/vendor/topthink/think-captcha/src/helper.php on line 14