获取永久素材接口，为什么音频素材变更了标题后，重新调用接口获取的音频素材的标题还是旧标题？？？如何解决？

https://developers.weixin.qq.com/doc/offiaccount/Asset_Management/Getting_Permanent_Assets.htmlhttps://developers.weixin.qq.com/doc/offiaccount/Asset_Management/Get_materials_list.htmlhttps://developers.weixin.qq.com/doc/offiaccount/Message_Management/Passive_user_reply_message.html