How to chnge register link of laravel 5.5

i have followin g laravel code. which gives me

domain.com/register link.

i want to change it http://ift.tt/2AxLuKp

itruied adding route('register') ?ref=abc but not worked

<a style="margin-bottom: 5px;font-size: 17px;font-weight: 600;" href="" class=""><i class="fa fa-sign-in"></i> Log In</a>
                        &nbsp;&nbsp;&nbsp;<a style="margin-bottom: 5px;font-size: 17px;font-weight: 600;" href="" class=""><i class="fa fa-user-plus"></i> Registration</a>

via Chebli Mohamed