PUT /documents

{
  "settings": {
    "analysis": {
      "analyzer": {
        "my_chinese_analyzer": {
          "type": "custom",
          "tokenizer": "ik_max_word"
        }
      }
    }
  },
  "mappings": {
    "properties": {
      "filename": {
        "type": "text",
        "analyzer": "ik_max_word",
        "search_analyzer": "ik_smart"
      },
      "filepath": {
        "type": "keyword"
      },
      "content": {
        "type": "text",
        "analyzer": "ik_max_word",
        "search_analyzer": "ik_smart"
      },
      "mtime": {
        "type": "date"
      }
    }
  }
}