{
  "number_of_shards": 3,
  "number_of_replicas": 1,
  "analysis": {
    "analyzer": {
      "product_analyzer": {
        "type": "custom",
        "tokenizer": "ik_max_word",
        "filter": [
          "lowercase",
          "stop",
          "word_delimiter"
        ]
      }
    },
    "filter": {
      "filter_stopwords": {
        "type": "stop",
        "stopwords": ["特价", "折扣", "优惠", "促销", "限时", "秒杀"]
      }
    }
  }
}