git subtree test

Author: Bluestar123

git-subtree/README.md

@@ -9,3 +9,11 @@ use vitepress to record something
 ## 更新 subtree
 
 - git subtree pull --prefix=git-subtree https://github.com/Bluestar123/day-blog.git main
+
+## 提交
+
+可以设置别名 git remote add child-name https://github.com/Bluestar123/day-blog.git
+
+- git subtree push --prefix=git-subtree child-name main
+
+## subtree 不需要像 submodule 一样递归更新子项目。直接就可以拉下来