curl --location '/qrcodeTicket/getContent?ticket=undefined'{
"code": "",
"msg": "",
"data": {
"ticketId": 0,
"ticket": "",
"createTime": "",
"expireTime": "",
"type": 0,
"content": "",
"ticketUrl": ""
},
"version": "",
"timestamp": 0,
"sign": ""
}