diff --git a/docs/nas-skill/2-docker.md b/docs/nas-skill/2-docker.md
index aeed148..2e07b0f 100644
--- a/docs/nas-skill/2-docker.md
+++ b/docs/nas-skill/2-docker.md
@@ -69,6 +69,9 @@ Server: Docker Engine - Community
 
   会列出所有运行中的容器名称和 ```id```
 
+![](./img/containerid.jpg)
+
+
 - 停止运行中的容器
 
   ```bash
diff --git a/docs/nas-skill/img/containerid.jpg b/docs/nas-skill/img/containerid.jpg
new file mode 100644
index 0000000..30bf6b8
Binary files /dev/null and b/docs/nas-skill/img/containerid.jpg differ