diff --git a/content/post/k3s-install.md b/content/post/k3s-install.md
index 877aec6..959e9fd 100644
--- a/content/post/k3s-install.md
+++ b/content/post/k3s-install.md
@@ -146,13 +146,17 @@ k3s agent  | k3s-agent1  | RockyLinux 8.5 | docker 20.10, k3s v1.23.9
     systemctl start k3s-agent
     ```
 
-## 查看节点信息
-- 在任一 k3s server 服务器上执行如下操作
+## 常用操作
 - 查看节点信息
     ```bash
     kubectl get nodes
     ```
 
+- 标记 server 节点不可调度
+    ```bash
+    kubectl cordon k3s-server{0..1}
+    ```
+
 ## 注意事项
 - k3s 内部 ssl 证书有效期一年，可在到期前重启 k3s 集群轮换证书