diff --git a/deployment/deployment-core.md b/deployment/deployment-core.md
index 42e1e18..5560b38 100644
--- a/deployment/deployment-core.md
+++ b/deployment/deployment-core.md
@@ -158,6 +158,7 @@ ansible all -a 'ps'
 
 - 下载 jdk 到 /opt 目录下
 - 创建脚本文件：`vim /opt/2-jdk8-playbook.yml`
+- 如果公司重视许可证，建议使用 u202版本或者最新的adoptopenjdk。
 
 ```
 - hosts: all
@@ -1362,4 +1363,4 @@ http {
 172.16.16.4 management.cdk8s.com
 172.16.16.4 tkey-sso-client-management
 172.16.16.4 tkey-sso
-```
\ No newline at end of file
+```