es聚合统计时间太长

curl -XGET "http://ip:9200/index/type/_search?pretty" -d'

{

  "query": {

    "match": {

      "name": "新西兰空运进口冰鲜帝王鲑三文鱼200g可切片新鲜日料刺身生鱼片"

    }

  },

  "aggs": {

    "distinct_groupcode" : {

            "cardinality" : {

              "field" : "groupcode.hash",

              "precision_threshold" : 400

            }

        },

      "distinct_phone" : {

            "cardinality" : {

              "field" : "phone.hash",

              "precision_threshold" : 400

            }

        }    

  }, 

  "size": 0,

  "min_score": 20

}'

这是我的检索代码