curl --location --request GET 'api.pre-qiandun365.com/api/open/contract/list/files?contractId=1920368226253934592&businessCode'
{ "code": "string", "msg": "string", "result": [ { "type": "original", "fileCode": "string", "fileId": "string", "fileName": "string", "downloadUrl": "string" } ], "success": true, "ts": "string", "logKey": "string" }