Fatal error: Uncaught Error: Class 'think\Validate' not found in /www/wwwroot/0.vhai.com/1.vhai.com/feijin_shop/source/application/api/validate/sharing/order/Checkout.php:7 Stack trace: #0 {main} thrown in /www/wwwroot/0.vhai.com/1.vhai.com/feijin_shop/source/application/api/validate/sharing/order/Checkout.php on line 7