api：https://api.weixin.qq.com/cgi-bin/message/custom/business/send?access_token=65_1D4rLWqfsE-Y6mbdMBuhZLIKDLovNCyDH07zz8EETcBSzE8vV3SJkb0vIeheHvu0hYdSsW3XZPWNwsLL

    "touser":"on2975VIERNZi-FD_aJe3Mow74UQ",

    "msgtype":"miniprogrampage",

    "miniprogrampage":{

        "pagepath":"pagesActivity/games/dial/dial?activity_id=5343&activity_channel_id=15&fans_id=791305",

        "thumb_media_id":"FL7B-RBggNgTvZfMrAUF0yFmsnQzPftp9_U-rShdTzECk49zOsWA6Z0_p9gQ_Tpt",

        "title":"测试奖品到期33-默认海报推送"

    }

}

返回：{

    "errcode": 40101,

    "errmsg": "missing parameter rid: 63e33b82-2c0d81cd-328009f9"

}

按照文档写的，怎么提示参数缺少？