curl --location --request POST 'https://qyapi.weixin.qq.com/cgi-bin/openhw/model/register_sn' \
--header 'Content-Type: application/json' \
--data-raw '{
"device_sn":"SN1"
}'
{
"errcode": 0,
"errmsg": "ok",
"qr_code": "https://open.work.weixin.qq.com/connect/hardware?hw_code=lS5***********"
}