Fatal error: Uncaught Error: Class 'think\console\Command' not found in /www/wwwroot/www.shanghai-kaiyuan.com/core/library/think/console/command/Clear.php:12 Stack trace: #0 {main} thrown in /www/wwwroot/www.shanghai-kaiyuan.com/core/library/think/console/command/Clear.php on line 12