public function getQrImageUrl()
{
$officeStaff = $this->officeStaff;
if (empty($officeStaff)) {
$officeStaff = new MStaff();
$officeStaff->gh_id = $this->gh_id;
$officeStaff->office_id = $this->office_id;
$officeStaff->cat = MStaff::SCENE_CAT_OFFICE;
$officeStaff->name = $this->title;
$officeStaff->save(false);
// return false;
}
return $officeStaff->getQrImageUrl();
}