diff --git a/README.md b/README.md
index 38e4253..5922f76 100644
--- a/README.md
+++ b/README.md
@@ -42,6 +42,7 @@ GitHub访问不通畅可以访问国内GitEE https://gitee.com/cby-inc/Kubernete
 - 1.28.x
 - 1.29.x
 - 1.30.x
+- 1.31.x
 
 大版本之间是通用的，比如使用 1.26.0 的文档可以安装 1.26.x 各种版本，只是安装过程中的下载新的包即可。
 
@@ -58,9 +59,12 @@ https://github.com/cby-chen/kube_ansible
 
 ### 最新版本文档
 - [kubeadm-install.md](./doc/kubeadm-install.md)
-- [v1.30.2-CentOS-binary-install-IPv6-IPv4-Three-Masters-Two-Slaves-Offline.md](./doc/v1.30.2-CentOS-binary-install-IPv6-IPv4-Three-Masters-Two-Slaves-Offline.md)
+- [v1.31.1-CentOS-binary-install-IPv6-IPv4-Three-Masters-Two-Slaves-Offline.md](./doc/v.31.1-CentOS-binary-install-IPv6-IPv4-Three-Masters-Two-Slaves-Offline.md)
 
 ## 安装文档
+###  1.31.x版本
+- [v1.31.1-CentOS-binary-install-IPv6-IPv4-Three-Masters-Two-Slaves-Offline.md](./doc/v.31.1-CentOS-binary-install-IPv6-IPv4-Three-Masters-Two-Slaves-Offline.md)
+
 ###  1.30.x版本
 - [v1.30.1-CentOS-binary-install-IPv6-IPv4-Three-Masters-Two-Slaves-Offline.md](./doc/v1.30.1-CentOS-binary-install-IPv6-IPv4-Three-Masters-Two-Slaves-Offline.md)
 - [v1.30.2-CentOS-binary-install-IPv6-IPv4-Three-Masters-Two-Slaves-Offline.md](./doc/v1.30.2-CentOS-binary-install-IPv6-IPv4-Three-Masters-Two-Slaves-Offline.md)
@@ -151,6 +155,7 @@ https://github.com/cby-chen/kube_ansible
 - wget https://mirrors.chenby.cn/https://github.com/cby-chen/Kubernetes/releases/download/v1.29.2/kubernetes-v1.29.2.tar
 - wget https://mirrors.chenby.cn/https://github.com/cby-chen/Kubernetes/releases/download/v1.30.1/kubernetes-v1.30.1.tar
 - wget https://mirrors.chenby.cn/https://github.com/cby-chen/Kubernetes/releases/download/v1.30.2/kubernetes-v1.30.2.tar
+- wget https://mirrors.chenby.cn/https://github.com/cby-chen/Kubernetes/releases/download/v1.31.1/kubernetes-v1.31.1.tar
 
 *注意：1.23.3 版本当时没想到会后续更新，所以当时命名不太规范。
 
@@ -182,6 +187,7 @@ https://github.com/cby-chen/Kubernetes/
 - https://github.com/cby-chen/Kubernetes/tree/v1.29.2
 - https://github.com/cby-chen/Kubernetes/tree/v1.30.1
 - https://github.com/cby-chen/Kubernetes/tree/v1.30.2
+- https://github.com/cby-chen/Kubernetes/tree/v1.31.1
 
 # 八、常见异常