Laravel : Retrieving Image from Filesystem disk('ftp')

I am using Filesystem API to store images on ftp server. Now I am using following code to retrieve these images.

    // Get image from ftp server
$image = Storage::disk('ftp')->get($imagepath);

// Put that image on local storage.
Storage::disk('local')->put($imagename, $image);

// User can download this image.
return response()->download(storage_path().'/app/'.$imagename);

But the problem occurs while placing that image on local storage. It doesn't save correctly like corrupted file.

Any Help

via Chebli Mohamed