发布失败，错误信息：

网页源代码:
栏目为空
返回的Header:
HTTP/1.1 200 OK
Server:nginx
Date:Sat, 16 Jan 2021 13:01:56 GMT
Content-Type:text/html; charset=utf-8
Transfer-Encoding:chunked
Connection:keep-alive
Vary:Accept-Encoding
Content-Encoding:gzip
Content-Length:12

火车头采集发布 提示栏目为空是怎么回事