curl --location --globoff 'https://qyapi.weixin.qq.com/cgi-bin/kf/customer/cancel_upgrade_service?access_token=' \
--header 'Content-Type: application/json' \
--data '{"open_kfid":"kfxxxxxxxxxxxxxx","external_userid":"wmxxxxxxxxxxxxxxxxxx"}'{
"errcode": 0,
"errmsg": "ok"
}