public function getDelete($sid)
    {
        $image = Image::find($sid);
        
        if ($image == null) {
            $errors = new MessageBag;
            $errors->add('deleteError', trans('redminportal::messages.error_delete_image'));
            return redirect()->back()->withErrors($errors);
        }
        
        $image->delete();
        
        return redirect()->back();
    }