diff --git a/README.md b/README.md
index 730e607..37e4144 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,8 @@ composer-doc-cn
 
 Composer 中文文档
 
+---
+
 ## Book
 - [简介](/cn-introduction/00-intro.md)
 - [基本用法](/cn-introduction/01-basic-usage.md)