ik设置远程词库remote_ext_dict无效

版本：elasticseach7.3.0、ik7.3.0
 
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curl远程词库结果
root@Ubuntu16:~# curl http://192.168.0.193/api/ik_dict -i -XGET
HTTP/1.1 200 OK
Server: nginx
Date: Thu, 06 Aug 2020 08:59:00 GMT
Content-Type: text/plain;charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive
Vary: Accept-Encoding
Last-Modified: 2020-08-06 16:59:00
Etag: v1.0.0

放号
新入网
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es加载日志
[2020-08-06T17:06:54,356][INFO ][o.w.a.d.Monitor          ] [node-1] 重新加载词典...
[2020-08-06T17:06:54,357][INFO ][o.w.a.d.Monitor          ] [node-1] try load config from /data/elasticsearch/config/analysis-ik/IKAnalyzer.cfg.xml
[2020-08-06T17:06:54,474][INFO ][o.w.a.d.Monitor          ] [node-1] [Dict Loading] http://192.168.0.193/api/ik_dict
[2020-08-06T17:06:54,479][INFO ][o.w.a.d.Monitor          ] [node-1] 重新加载词典完毕...
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分词结果：
{
  "tokens" : [
    {
      "token" : "新",
      "start_offset" : 0,
      "end_offset" : 1,
      "type" : "CN_CHAR",
      "position" : 0
    },
    {
      "token" : "入网",
      "start_offset" : 1,
      "end_offset" : 3,
      "type" : "CN_WORD",
      "position" : 1
    },
    {
      "token" : "放",
      "start_offset" : 3,
      "end_offset" : 4,
      "type" : "CN_CHAR",
      "position" : 2
    },
    {
      "token" : "号",
      "start_offset" : 4,
      "end_offset" : 5,
      "type" : "CN_CHAR",
      "position" : 3
    }
  ]
}
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求教是哪里出了问题吗？