why display empty page without variable values in Laravel 5.2

I need display My users table data in index.blade.php file. but when I visit index view it display an empty page only not display any variables data which I need.(no any errors dispaly)

index.blade.php

@if(isset($users))
@foreach($users as $use)
<h1></h1>

@endforeach
@endif  

UsersController.php

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

use Auth;
use App\User;

use App\Http\Requests;

class UserController extends Controller
{
    public function index()
{
     $users = User::userr()->get();
    // $users = User::all();

    return view('users.index')->withUser($users);
    //dd($users);
}

}

User.php Model

<?php

namespace App;
use Auth;
use Illuminate\Foundation\Auth\User as Authenticatable;

class User extends Authenticatable
{
    /**
     * The attributes that are mass assignable.
     *
     * @var array
     */
    protected $fillable = [
        'username', 'email', 'password',
    ];

    /**
     * The attributes that should be hidden for arrays.
     *
     * @var array
     */
    protected $hidden = [
        'password', 'remember_token',
    ];





public function getAvatarUrl()
{
        return "http://ift.tt/ww139j" . md5(strtolower(trim($this->email))) . "?d=mm&s=40";
}

public function scopeUserr($query)
{
     return $query->where('username',Auth::user()->id);

}

}

Can You give me some solutions?

via Chebli Mohamed