{
  "conversion": {
    "_all": {
      "enabled": false
    },
    "_source": {
      "enabled": true
    },
    "properties": {
      "source": {
        "type": "text",
        "analyzer": "ik_complex",
        "fields": {
          "source_keyword": {
            "type": "text",
            "analyzer": "lowercase_keyword"
          }
        }
      },
      "dest": {
        "type": "text",
        "analyzer": "ik_complex"
      },
      "updateTime": {
        "type": "integer"
      },
      "status": {
        "type": "integer"
      }
    }
  }
}