diff --git a/README.MD b/README.MD
index 3ddde4c..9d863d3 100644
--- a/README.MD
+++ b/README.MD
@@ -1 +1,6 @@
-这个一个声明
+# 新的标题和声明
+试一下diff的效果
+```diff
+--- 删除线
++++ 增加线
+```
\ No newline at end of file