GET https://api.weixin.qq.com/cgi-bin/customservice/getkflist?access_token={{ACCESS_TOKEN}}

{"errcode":65400,"errmsg":"please enable new custom service, or wait for a while if you have enabled hint: [tgbCKUore-PFQfOA] rid: 665d56ff-0a803b31-20413b5b"}

请问这里说的new custom service具体值得哪个选项，如何开启？