message: bugfix: sendStatus
diff: @@ -23,7 +23,7 @@ router.get('/qrcode.svg', (req, res, next) => {
  let data = qrcode.getCode()
  if (!data) {
  - return res.returnStatus(404)
  + return res.sendStatus(404)
  }
  let qrSvg = qr.image(data, {type: 'svg'})
  