diff --git a/hack-1.txt b/hack-1.txt
new file mode 100644
index 0000000..25735f5
--- /dev/null
+++ b/hack-1.txt
@@ -0,0 +1 @@
+hello.
diff --git a/notes/2.6-git_stash.md b/notes/2.6-git_stash.md
new file mode 100644
index 0000000..0da3151
--- /dev/null
+++ b/notes/2.6-git_stash.md
@@ -0,0 +1,34 @@
+## 2.6
+
+### 2.6.1
+
+用来查看stash列表
+```bash
+git stash list
+```
+
+恢复进度
+```bash
+git stash pop
+```
+
+```bash
+git commit -m "message" # 执行提交
+git status -s # 查看状态
+```
+
+```bash
+git reset --soft HEAD^ #反悔提交 将HEAD指向当前提交的父提交
+git reset HEAD a/b/c # 将a/b/c目录下的文件撤出暂存区
+git reset 将所有的文件从stage中撤出
+```
+
+```bash
+git checkout -- welcome.txt # 清除welcome.txt的改动
+git clean -nd # 删除本地多余的目录和文件列表
+git clean -fd # 真正删除
+```
+
+
+
+