UUID not filled on save() about laravel-uuid HOT 2 CLOSED

 Schema::create('todos', function (Blueprint $table) {
      $table->increments('id');
      $table->uuid('uuid');
      $table->string('name');
      $table->text('body');
      $table->timestamps();
});

namespace App;
use Emadadly\LaravelUuid\Uuids;
use Illuminate\Database\Eloquent\Model;

class Todo extends Model
{
    use Uuids;

    protected $fillable = [
        'uuid', 'name', 'body',
    ];
}

namespace App\Http\Controllers;

use App\Todo;
use Illuminate\Http\Request;
use App\Http\Controllers\Controller;

class todoController extends Controller
{
    public function saveUUID(Request $request){

        $example = new Todo;

        $example->name = 'test';
        $example->body = 'body';
        $example->save();

    return response()->json(['example' => $example]);
    }
}