1.总结遇到的elasticsearch启动失败的几种情况及解决参考：
http://www.mamicode.com/info-detail-2322576.html
2.Elasticsearch 6.8集群搭建参考：
https://blog.csdn.net/guohan_solft/article/details/85015118
https://blog.csdn.net/weixin_40036109/article/details/86595578
3.es-head的安装（windows下）：
https://www.cnblogs.com/Agnes1994/p/10938549.html （参考这个即可，自己写的）
https://www.cnblogs.com/sbj-dawn/p/8711847.html
https://blog.csdn.net/shubingzhuoxue/article/details/80998738
https://www.cnblogs.com/wangzhuxing/p/9352258.html
4.es-ik 中文分词器的安装：
https://www.cnblogs.com/xing901022/p/5910139.html
https://www.cnblogs.com/zlslch/p/6440373.html
https://www.cnblogs.com/yijialong/p/9717593.html
https://www.cnblogs.com/shaosks/p/7525060.html