https://developers.weixin.qq.com/miniprogram/dev/framework/security.html#%E6%8E%88%E6%9D%83%E7%94%A8%E6%88%B7%E8%B5%84%E6%96%99%E5%8F%98%E6%9B%B4

用户撤销授权(user_info_modified：用户资料变更，user_authorization_revoke：用户撤回；)，云函数怎么才能接收？