diff --git a/docs/index.html b/docs/index.html
index 22c755aa..ce81a9c9 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -43,10 +43,6 @@
             // NAVIGATION
             // -----------------------------------------------------------------
             alias: {
-            //     '.*?/changelog': 'https://unpkg.com/docsify-themeable/CHANGELOG.md',
-            //     '/cn/practice_cn': 'docs/practice_cn.md',
-            //     '/cn/': 'README_cn.md',
-            //     '/cn/product_documents_cn': 'docs/product_documents_cn.md',
                 '/en/sidebar.md': '/sidebar.md',
                 '/en/.*/sidebar.md':'/sidebar.md',
                 '/zh_CN/.*/sidebar.md': '/zh_CN/sidebar.md',
@@ -54,7 +50,7 @@
                 '/.*/navbar.md':'/navbar.md',
                 '/en/':'/'
             },
-            // auto2top   : true,
+            auto2top   : true,
             maxLevel   : 1,
             subMaxLevel: 1,