elasticsearch Elasticsearch减少“U源字段”的权重；电影在我们的情况下在这里“的；

我想减少\u source某个字段的权重，可以在这里帮助我吗

Elasticsearch，Kibana

请求示例：

{
  "took": 57,
  "timed_out": false,
  "_shards": {
    "total": 5,
    "successful": 5,
    "skipped": 0,
    "failed": 0
  },
  "hits": {
    "total": 1,
    "max_score": 1,
    "hits": [
      {
        "_index": "index_name",
        "_type": "index1",
        "_id": "1",
        "_score": 1,
        "_source": {
          "movie": "a",
          "rating": "b"
        },
        {
          "movie": "c",  // comment - a field
          "rating": "d" //comment - a field
        },....
      }
    ]
  }
}

发布索引\u名称/\u搜索

{
   "_source":["field1","filed2".....] 
 }

响应：

{
  "took": 57,
  "timed_out": false,
  "_shards": {
    "total": 5,
    "successful": 5,
    "skipped": 0,
    "failed": 0
  },
  "hits": {
    "total": 1,
    "max_score": 1,
    "hits": [
      {
        "_index": "index_name",
        "_type": "index1",
        "_id": "1",
        "_score": 1,
        "_source": {
          "movie": "a",
          "rating": "b"
        },
        {
          "movie": "c",  // comment - a field
          "rating": "d" //comment - a field
        },....
      }
    ]
  }
}