diff --git a/content/post/incus-install.md b/content/post/incus-install.md
index a6584c9..a865c42 100644
--- a/content/post/incus-install.md
+++ b/content/post/incus-install.md
@@ -271,6 +271,7 @@ incus3 | eth0: 192.168.1.3 | 10.10.10.3 | /dev/sdb | 10.10.10.3 incus3
     ```BASH
     incus image list tuna: alpine amd64 # 查看清华源里存在的 alpine amd64 镜像
     incus image copy tuna:alpine/3.21 local:
+    incus image alias create local:alpine-3.21 81f0ad86761e
     ```
 
 - 启动一个系统级容器 alpine-lxc