src/Database/Attach/Media.php
public function getPublicPath()
    {
        $mediaPath = config('system.assets.attachment.path', '/storage/app/attachments');
        $mediaPath = $this->isPublic()
            ? $mediaPath.'/public'
            : $mediaPath.'/protected';

        return URL::asset($mediaPath).'/';
    }
public function getPublicPath()
    {
        $mediaPath = config('system.assets.attachment.path', '/storage/app/attachments');
        $mediaPath = $this->isPublic()
            ? $mediaPath.'/public'
            : $mediaPath.'/protected';

        return URL::asset($mediaPath).'/';
    }
Define the public address for the storage path.