https://golangguide.top/%E4%B8%AD%E9%97%B4%E4%BB%B6/es/%E6%A0%B8%E5%BF%83%E7%9F%A5%E8%AF%86%E7%82%B9/elasticSearch%E6%9E%B6%E6%9E%84%E6%98%AF%E6%80%8E%E4%B9%88%E6%A0%B7%E7%9A%84.html#%E4%BB%80%E4%B9%88%E6%98%AF-elasticsearch%E3%80%82 文档 索引 下载 https://www.jianshu.com/p/da38fec4f950 分词器
