curl --location --request POST 'http://mp.xipuduo.com/index.php/SmallProgramApi/Vip/getTestRelationList_v4' \
--form 'parent_id="4"' \
--form 'vid="1"' \
--form 'uid="1"' \
--form 'merchant_id="1"' \
--form 'sign="123456"'{
"status": 1,
"msg": "查询成功",
"data": []
}