视频号橱窗开放接口获取橱窗accesstoken报错 errcode:50001？

{"errcode":50001,"errmsg":"user unauthorized rid: 63607500-2d836818-64c4e1cf"}

去哪里授权呢？

接口文档：https://developers.weixin.qq.com/doc/channels/API/windowproduct/getaccesstoken.html