public function actionActivitywater()
 {
     $user = new AdminUser();
     if (!$user->checkUserIsLogin()) {
         $this->redirect(Variable::$home_url);
         return;
     }
     $query = ActivityLog::find();
     $pagination = new Pagination(['defaultPageSize' => 5, 'totalCount' => $query->count()]);
     $countries = $query->orderBy('time DESC')->offset($pagination->offset)->limit($pagination->limit)->all();
     return $this->render(Variable::$activityWater_view, ['countries' => $countries, 'pagination' => $pagination]);
 }