diff --git a/learn_file.txt b/learn_file.txt
new file mode 100644
index 0000000..0077998
--- /dev/null
+++ b/learn_file.txt
@@ -0,0 +1,8 @@
+this a learn file.
+add content.
+添加回滚
+节点提交
+add new2
+1
+2
+3
\ No newline at end of file