Do not receive a POST request

I have siyte on adress, for example, http://sakura-city.info In site I have root:

Route::post('/yandex','GirlsController@reciverYandex');

Controller:

  public function reciverYandex(Request $request){
            echo 'yandex';
        Storage::put('file.txt','Test');
    }

I send post reqwest on adress: sakura-city.info/yandex

But in file.txt I how not new text.

Putch to file: public/file.txt

My site have not recived reqwest?

via Chebli Mohamed