code: public function add($title, $description, $pageUrl, $iconUrl, $comment = '')
      {
          $params = [
              'title' => $title,
              'description' => $description,
              'page_url' => $pageUrl,
              'icon_url' => $iconUrl,
          ];
          if ($comment !== '') {
              $params['comment'] = $comment;
          }
  
          return $this->parseJSON('json', [self::API_ADD, $params]);
      }
docs: Add a page.
  
  @param string $title
  @param string $description
  @param string $pageUrl
  @param string $iconUrl
  @param string $comment
  
  @return \EasyWeChat\Support\Collection