public function updateAlbum($aid)
    {
        $aid = (int) $aid;
        if (!$aid) {
            return false;
        }
        $album = AlbumService::getAlbumById($aid);
        if (empty($album)) {
            return false;
        }
        $share_count = (int) FDB::resultFirst('SELECT COUNT(DISTINCT share_id) FROM ' . FDB::table('album_share') . ' WHERE album_id = ' . $aid);
        $cache_data = array();
        $res = FDB::query('SELECT share_id FROM ' . FDB::table('album_share') . ' 
			WHERE album_id = ' . $aid . ' ORDER BY share_id DESC LIMIT 0,6');
        $ids = array();
        while ($data = FDB::fetch($res)) {
            $ids[] = $data['share_id'];
        }
        if (count($ids) > 0) {
            $imags = array();
            $ids = implode(',', $ids);
            $res = FDB::query('SELECT share_id,cache_data FROM ' . FDB::table('share') . ' WHERE share_id IN (' . $ids . ') ORDER BY share_id DESC');
            while ($data = FDB::fetch($res)) {
                $data['cache_data'] = unserialize($data['cache_data']);
                FS('Share')->shareImageFormat($data);
                unset($data['cache_data']);
                foreach ($data['imgs'] as $img) {
                    $imags[] = $img;
                    if (count($imags) >= 6) {
                        break;
                    }
                }
                if (count($imags) >= 6) {
                    break;
                }
            }
            $cache_data['imgs'] = $imags;
        }
        $cache_data = serialize($cache_data);
        $album = array();
        $album['share_count'] = $share_count;
        $album['cache_data'] = $cache_data;
        FDB::update('album', $album, 'id = ' . $aid);
    }
 /**
  * 获得说有图片信息
  */
 private function album()
 {
     $service = new AlbumService();
     $result = $service->invoke($this->commonUri);
     echo json_encode($result);
 }