diff --git a/README.md b/README.md
index 460722c..83a525f 100644
--- a/README.md
+++ b/README.md
@@ -2,10 +2,13 @@
 ## 分支
 ## merge
 ## 回退
+```bash
+git checkout $tagName; git checkout -b $newbranchname  #切换到某个版本,再添加分支
+```
 
 ## tag
 ### 推送tag
 ```bash
 git push $tagName #推送 $tagName 
 git push --tags #推送所有tag
-```
\ No newline at end of file
+```