一，查看已安装的plugin
$ /opt/soft/elasticsearch-9.2.2/bin/elasticsearch-plugin list
$ ls /opt/soft/elasticsearch-9.2.2/plugins/
$ 二，安装：
从这个页面手动下载：
https://release.infinilabs.com/analysis-ik/stable/或者通过命令行下载：
$ /opt/soft/elasticsearch-9.2.2/bin/elasticsearch-plugin install https://get.infini.cloud/elasticsearch/analysis-ik/9.2.2
-> Installing https://get.infini.cloud/elasticsearch/analysis-ik/9.2.2
-> Downloading https://get.infini.cloud/elasticsearch/analysis-ik/9.2.2
WARNING: this plugin contains a legacy Security Policy file. Starting with version 8.18, Entitlements replace SecurityManager as the security mechanism. Plugins must migrate their policy files to the new format. For more information, please refer to https://www.elastic.co/guide/en/elasticsearch/plugins/current/creating-classic-plugins.html
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ WARNING: plugin requires additional entitlements @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
* outbound_network
See https://www.elastic.co/guide/en/elasticsearch/plugins/current/creating-classic-plugins.html
for descriptions of what these entitlements allow and the associated risks.Continue with installation? [y/N]y
-> Installed analysis-ik
-> Please restart Elasticsearch to activate any plugins installed附：查看es的版本：
$ /opt/soft/elasticsearch-9.2.2/bin/elasticsearch --version
Version: 9.2.2, Build: tar/ed771e6976fac1a085affabd45433234a4babeaf/2025-11-27T08:06:51.614397514Z, JVM: 25.0.1
三，安装完成后查看效果：
$ ls /opt/soft/elasticsearch-9.2.2/plugins/
analysis-ik
$ /opt/soft/elasticsearch-9.2.2/bin/elasticsearch-plugin list
analysis-ik