根据官方文档传送了tile和introduction，但是素材库中introduction对应的description为何是空的？ curl "https://api.weixin.qq.com/cgi-bin/material/add_material?access_token=ACCESS_TOKEN&type=TYPE" -F media=@media.file -F description='{"title":VIDEO_TITLE, "introduction":INTRODUCTION}' title是视频素材的标题introduction是视频素材的描述 返回结果 {"media_id":"wNqStikbSRCITDA8zULkwCwNflZUuYII5YxuLXLO10A","name":"dddd","update_time":1583228051,"description":"","tags":[]},{"media_id":"wNqStikbSRCITDA8zULkwEpTx7mKIwIIFrTe67RaKEU","name":"视频内容01","update_time":1583227926,"description":"","tags":[]}