private function saveIcon()
 {
     try {
         $urlData = parse_url($this->url);
         $siteUrl = $urlData['scheme'] . '://' . $urlData['host'];
         $html = (new Client())->createRequest()->setUrl($siteUrl)->send()->getContent();
         $saw = new \nokogiri($html);
         $icons = $saw->get('link[rel="icon"]')->toArray();
         $iconUrl = null;
         if ($icons) {
             $iconUrl = $icons[0]['href'];
             $iconUrl = strstr($iconUrl, 'http') === false ? $siteUrl . $iconUrl : $iconUrl;
         } else {
             $iconUrl = $siteUrl . '/favicon.ico';
         }
         $response = (new Client())->createRequest()->setUrl($iconUrl)->send();
         if ($response->isOk) {
             file_put_contents(FeedModel::getIconsPath() . '/' . $this->id . '.' . pathinfo($iconUrl, PATHINFO_EXTENSION), $response->getContent());
         }
     } catch (\Exception $e) {
     }
     return true;
 }