diff --git a/README_DETAIL.md b/README_DETAIL.md
index c705679..e092458 100644
--- a/README_DETAIL.md
+++ b/README_DETAIL.md
@@ -22,4 +22,4 @@ how to ctrl the size of repo, maintenance the repo, and so on.
 
 How to join you?
 ---------------
-Please read README.md.
+Please read [README.md.](README.md)