diff --git a/Cards/Computer Science/OpenWrt部署.md b/Cards/Computer Science/OpenWrt部署.md
index 1b2796f2..f2931278 100644
--- a/Cards/Computer Science/OpenWrt部署.md	
+++ b/Cards/Computer Science/OpenWrt部署.md	
@@ -284,6 +284,11 @@ iStoreOS 中已默认开启，目前我用于存放 tvbox 的订阅文件，文
 
 
 
+## Rsync
+
+备份 Docker 容器：`rsync -av --delete /mnt/usb3_2-1/ /mnt/usb2_7_3-1/` 
+备份 Docker 数据：`rsync -av --delete /mnt/usb3_2-1/ /mnt/usb2_7_3-1/` 
+
 ## 贴吧
 
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