Undefined variable: works (View: C:\xampp\htdocs\architecture\resources\views\welcome.blade.php)

I'm debuting Laravel, and I want to create a dynamic one page app. I'm using Laravel Voyager as an admin package. so I managed to display all the posts Data but when I tried to display the work's, it shows error that he can't find the variable works.

My controller: WorkController

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\Work;
class WorkController extends Controller
{
  /**
    * Display the specified resource.
    *
    * @param  string  $slug
    * @return \Illuminate\Http\Response
    */
    public function index()
    {
      $works = Work::all();
      return view('welcome', ['works' => $works]);
    }


}

My routes :

<?php

/*
|--------------------------------------------------------------------------
| Web Routes
|--------------------------------------------------------------------------
|
| Here is where you can register web routes for your application. These
| routes are loaded by the RouteServiceProvider within a group which
| contains the "web" middleware group. Now create something great!
|
*/

Route::get('/', 'BlogController@index');
Route::get('/work','WorkController@index')->name('work.index');
Route::get('/article/{article}', 'ArticleController@show')->name('article.show');
Route::group(['prefix' => 'admin'], function () {
    Voyager::routes();
});

Auth::routes();

Route::get('/home', 'HomeController@index')->name('home');

As I mentioned I'm still newbie but I want to know what is my error, Thank you.

via Chebli Mohamed