diff --git a/docs/html/sdk/download.jd b/docs/html/sdk/download.jd
index 44fe5e4c0db11..af256096139cf 100644
--- a/docs/html/sdk/download.jd
+++ b/docs/html/sdk/download.jd
@@ -52,7 +52,7 @@ onclick="submit()" />
   <script language="javascript">
     var loc = window.location.href;
     if (loc.indexOf('?v=') != -1) {
-      var filename = loc.substring(loc.indexOf('=')+1,loc.length);
+      var filename = loc.substring(loc.indexOf('=')+1,loc.length).replace(/</g,"&lt;").replace(/>/g,"&gt;");
       document.write("File: " + filename);
     }
   </script>