diff --git a/README.md b/README.md
index 81bd1e65acdcd9a7a818ec5e7c347b0f2eab5ca9..7fc708797b94a4b39069cf51bbf972b77c6c82cd 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 <div align="center">
-<a href="https://github.com/CyC2018/CS-Notes/blob/master/other/download.md">离线阅读版本下载</a>
+<a href="https://github.com/CyC2018/CS-Notes/blob/master/other/download.md"><strong>离线阅读版本下载</strong></a>
 </div>
 
 <br>