公众号客服消息接口 https://api.weixin.qq.com/cgi-bin/message/custom/send

APP ID: wxb2d14ce231602a7e

{

"touser":"****",

"msgtype":"music",

"music":

{

"title":"这是音乐标题",

"description":"这是音乐回复",

"musicurl":"http://isure.stream.qqmusic.qq.com/C400003AoiEf2hJtvU.m4a?guid=2000001761&vkey=73C475A3932CD6E3F37C804AB631F3BD0C5CE22C37CE7D76244264EDE0F5C9A98171227C28B7A694F46105A25634F8EDC0ECB9EF701AA290&uin=&fromtag=220",

"hqmusicurl":"http://isure.stream.qqmusic.qq.com/C400003AoiEf2hJtvU.m4a?guid=2000001761&vkey=73C475A3932CD6E3F37C804AB631F3BD0C5CE22C37CE7D76244264EDE0F5C9A98171227C28B7A694F46105A25634F8EDC0ECB9EF701AA290&uin=&fromtag=220",

"thumb_media_id":"bG_WYWrkDIvNvPcj1C-He-bD7Js4MvhwY472ayKaLcs"

}

}

报错

{

"errcode": 40006,

"errmsg": "invalid meida size rid: 5f68a5eb-7579964f-7df04905"

}

thumb_media_id 换其它图片素材（永久素材和临时素材都试过），有时候报system error，有时候报 invalid media id

{

"errcode": -1,

"errmsg": "system error rid: 5f68a62d-7c0b1341-0d6ae40a"

}

{

"errcode": 40007,

"errmsg": "invalid media_id rid: 5f68a642-7150046c-7af4855d"

}

请问具体是什么原因导致失败？谢谢