def handle_group_list(self, group_list):
        """
        @brief      handle group list & saved in DB
        @param      group_list  Array
        """
        fn = Constant.LOG_MSG_GROUP_LIST_FILE
        save_json(fn, group_list, self.data_dir)
        cols = [(
            g['NickName'],
            g['UserName'],
            g['OwnerUin'],
            g['MemberCount'],
            g['HeadImgUrl']
        ) for g in group_list]
        self.db.insertmany(Constant.TABLE_GROUP_LIST(), cols)

        @brief      handle group list & saved in DB
        @param      group_list  Array
        
wxbot_project_py2.7/wx_handler/wechat_msg_processor.py