wanjunlei https://kubesphere.com.cn/docs/faq/observability/logging/#%E5%A6%82%E4%BD%95%E5%B0%86%E6%97%A5%E5%BF%97%E5%AD%98%E5%82%A8%E6%94%B9%E4%B8%BA%E5%A4%96%E9%83%A8-elasticsearch-%E5%B9%B6%E5%85%B3%E9%97%AD%E5%86%85%E9%83%A8-elasticsearch
