i am using laravel 5.5 i want to use CrondJobs But none of my classes found in my php file

//This Is My Name Space
namespace App\Http\Controllers\Crons;

//Using Jalali but Class Not Found
    $date =\Morilog\Jalali\Jalalian::now()->format("Y/m/d " ) ;

//this is my erro in my error_log

//PHP Fatal error: Uncaught Error: Class 'Morilog\Jalali\Jalalian' not found in /home/micacoco/crons/cron.php:29

via Chebli Mohamed