diff --git a/docs/index.html b/docs/index.html
index 6d0109b3..5c6758b6 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -60,7 +60,7 @@
                 '/.*/navbar.md':'/navbar.md',
                 '/en/':'/'
             },
-            // auto2top   : true,
+            auto2top   : true,
             maxLevel   : 1,
             subMaxLevel: 1,
             basePath: '/',