Laravel Route Not Showing

I am Giving In web.php these routes

Route::prefix('admin')->group(function(){
Route::view('/', 'dashboard.admin');
Route::resource('posts', 'PostController');
Route::resource('profiles', 'UserProfileController');
Route::resource('user', 'UserController');
Route::resource('users', 'UsersController');
Route::resource('pages', 'PageController');
Route::resource('categories', 'CategoryController');
Route::resource('roles', 'RoleController');
Route::resource('productvalue', 'ProAttriConfigController');

});

all routes showing when i am hiting php artisan route:list but last route not showing -->productvalue

via Chebli Mohamed