1、执行composer require spatie/laravel-backup
2、在config/app.php中加入:Spatie\Backup\BackupServiceProvider::class,
3、发布配置文件,执行php artisan vendor:publish --provider="Spatie\Backup\BackupServiceProvider"
4、执行composer require laravel-admin-ext/backup -vvv
5、执行php artisan admin:import backup
6、将config/backup.php中monitor_backups改成monitorBackups