diff --git a/index.html b/index.html
index 9c7e168..fb039cc 100644
--- a/index.html
+++ b/index.html
@@ -176,6 +176,6 @@ $(document).ready(function(){
 });
 </script>
 
-<script src="//use.edgefonts.net/lato.js"></script> 
+<script src="https://edgefonts.tuna.tsinghua.edu.cn/lato.js"></script> 
 
 </html>