json worked (https://virus.has-no-bra.in/5aZ8fM0k5.png) but cannot get image (https://virus.has-no-bra.in/5aZ90HlbO.png) and i have 37.jpg file (https://virus.has-no-bra.in/5aZ9l_gt7.png)

app.get('/', function(req, res) {

  list(`./img`,(images)=>{
  if(images.error) throw images.error;
  var floppa = images.files
  let random = Math.floor((Math.random() * floppa.length))

  var file = `domain${floppa[random]}`
  res.json(
    {
      image: file
    }
    )
});
})