jssdk录音：wx.uploadVoice上传音频后返回的serverId一直一样

https://developers.weixin.qq.com/doc/offiaccount/Asset_Management/Get_temporary_materials.html

jssdk录音：wx.uploadVoice上传音频后返回的serverId一直是1237378768e7q8e7r8qwesafdasdfasdfaxss111。

服务端通过media/get url下载音频是，提示无效mediaurl。