How to fix Access denied for user 'root'@'localhost' (using password: NO), Laravel Homestead?

I use laravel 5.1 homestead. I wanna connect to and show data from mysql phpmyadmin (xampp). But I got this error : Error

this is my .env setting :

DB_HOST=localhost DB_DATABASE=laravel5 DB_USERNAME=root DB_PASSWORD=

via Chebli Mohamed