public function execute()
 {
     $url = Config::getInstance()->get('interior.server_url');
     $connection = new Connection($url);
     $connection->usePost(false);
     pre($connection->get('knowledgepoint.get', array(), true));
     exit;
 }
 public function getContent($url, array $params = array(), $gzip = false)
 {
     $connection = new Connection($url);
     return $connection->get('', $params, $gzip);
 }