1 ) go to this link
( https://github.com/mojtabaRKS/laravel-persian-validation)
2 ) and download the file
3 ) and save it in this route
( laravelProject
esourceslang )
4 ) now go to this route ( configapp.php )
5 ) and find the 'locale' => 'en'
6 ) and change it to this : 'locale' => 'fa'