没有openid就不能update 数据库
https://developers.weixin.qq.com/miniprogram/dev/wxcloud/reference-sdk-api/database/document/Document.update.htmlhttps://developers.weixin.qq.com/miniprogram/dev/wxcloud/reference-sdk-api/database/document/Document.update.htmlhttps://developers.weixin.qq.com/miniprogram/dev/wxcloud/reference-sdk-api/database/document/Document.update.html
