public function actionIndex()
    {
        $searchModel = new OrderSearch();
        $queryParams = request()->queryParams;
        $queryParams['OrderSearch']['customer_username'] = get_current_user_name();
        $dataProvider = $searchModel->search($queryParams);
        $dataProvider->sort->defaultOrder = ['id' => SORT_DESC];
        $dataProvider = $searchModel->search(request()->queryParams);

        return $this->render('index', [
            'searchModel'  => $searchModel,
            'dataProvider' => $dataProvider,
        ]);
    }