Laravel/snappy not show an image in pdf

hiii i want to generate pdf of an invoice . pdf is generate but it can't display an image i use laravel/snappy for window

here is my view file

<div>
<img src="" class="pl-3" width="15%" />
<a href="">Download PDF</a>
</div>

here is my controller

if($request->has('download')) {
$pdf = PDF::loadView('pdfview')- 
>save(storage_path('invoices/aazsaa.pdf'));
return $pdf->download('userlist.pdf');
}

image is shown in view but when i download image is not render

via Chebli Mohamed