curl --location --request GET '/ab-bpm/bpm/instance/getVariableByInstanceId?instanceId' \
--header 'Authorization: Bearer{{Auth_Token}}'
{
"isOk": true,
"code": "Success",
"message": "操作成功",
"data": {
"test": 1,
"aa": 2
},
"msg": "操作成功"
}