image not load on phone

[mounermostafa]

when i use PhotoSphereViewer in wordpress
<script>
var imgis = "</?php echo get_the_post_thumbnail_url(); ?/>";
var div = document.getElementById('container');
var PSV = new PhotoSphereViewer({
panorama: imgis,
container: container,
});
</script>
it work just fine in laptop and computer but image not working in phones
but when i replace php </?php echo get_the_post_thumbnail_url(); ?/> with direct link like this https://obengo.com/images/logo.png
work just fine how can i fix this thanks