diff --git a/README.md b/README.md
index 83d6b5d8..6f9e8432 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,6 @@
 # rCore-Tutorial-v3
 rCore-Tutorial version 3.5. See the [Documentation in Chinese](https://rcore-os.github.io/rCore-Tutorial-Book-v3/).
+
 Official QQ group number: 735045051
 
 ## news