diff --git a/_config.yml b/_config.yml
index 00d74d9..686cdd2 100755
--- a/_config.yml
+++ b/_config.yml
@@ -24,9 +24,14 @@ sidebar:
     # friends: '[友链](/friends/)'
     # about: '[关于](/about/)'
   # Sidebar widgets
+  widget_layout:
+    index: [welcome, recent] # for home/wiki/categories/tags/archives/404 pages
+    page: [welcome, toc] # for pages using 'layout:page'
+    post: [toc, repo_info] # for pages using 'layout:post'
+    wiki: [toc, repo_info, wiki_more] # for pages using 'layout:wiki'
   widgets:
     # default layout in home/wiki/categories/tags/archives pages
-    default_layout: [welcome]
+    # default_layout: [welcome]
     # Recent update
     recent:
       layout: recent
@@ -58,7 +63,7 @@ sidebar:
 
 ######## Main ########
 breadcrumb:
-  home: config.title # config.title / config.author / home or custom content
+  home: home # config.title / config.author / home or custom content
 
 ######## Article ########
 article:
diff --git a/layout/404.ejs b/layout/404.ejs
index f4b77e7..90cf4cd 100755
--- a/layout/404.ejs
+++ b/layout/404.ejs
@@ -16,6 +16,6 @@ page.robots = 'none';
     <%- __('page.error.why') %>
   </p>
   <br><br>
-  <a class='button theme' id='back' href="/"><%- __('page.error.action') %></a>
+  <a class='button theme' id='back' href="<%- config.root %>"><%- __('page.error.action') %></a>
 </article>
 <%- partial('_partial/plugins/comments/layout') %>
diff --git a/layout/_partial/sidebar/index.ejs b/layout/_partial/sidebar/index.ejs
index ab3828b..65ee1c8 100755
--- a/layout/_partial/sidebar/index.ejs
+++ b/layout/_partial/sidebar/index.ejs
@@ -2,16 +2,21 @@
 // 默认组件
 if (page.sidebar == undefined) {
   if (page.layout == 'post' && page.content) {
-    page.sidebar = ['toc', 'repo_info'];
+    page.sidebar = theme.sidebar.widget_layout.post;
   } else if (page.layout == 'wiki' && page.content && page.wiki) {
     let proj = theme.wiki.projects[page.wiki];
     if (proj.sidebar) {
       page.sidebar = proj.sidebar;
     } else {
-      page.sidebar = ['toc', 'repo_info', 'wiki_more'];
+      page.sidebar = theme.sidebar.widget_layout.wiki;
     }
+  } else if (is_home() || ['categories', 'tags', 'archives', 'index', '404'].includes(page.layout)) {
+    page.sidebar = theme.sidebar.widget_layout.index;
+  } else if (page.layout == 'page') {
+    page.sidebar = theme.sidebar.widget_layout.page;
   } else {
-    page.sidebar = theme.sidebar.widgets.default_layout;
+    console.log('page.layout: ', page.layout);
+    page.sidebar = [];
   }
 }
 function layoutWidgets() {
diff --git a/layout/_partial/sidebar/widgets/toc.ejs b/layout/_partial/sidebar/widgets/toc.ejs
index 2b2b0a9..4a023cb 100644
--- a/layout/_partial/sidebar/widgets/toc.ejs
+++ b/layout/_partial/sidebar/widgets/toc.ejs
@@ -66,7 +66,7 @@ function layoutDiv(fallback) {
     el += '<div class="widget-wrap ' + type + '" id="toc">';
     if (page.layout !== 'wiki') {
       // post 布局
-      el += layoutTocHeader(page.toc_title || __("meta.toc"));
+      el += layoutTocHeader(page.toc_title);
       el += '<div class="widget-body fs14">';
       el += '<div class="doc-tree active">';
       el += layoutToc();
@@ -84,6 +84,7 @@ function layoutDiv(fallback) {
         });
       } else {
         // 单 section
+        el += layoutTocHeader(page.toc_title);
         el += '<div class="widget-body fs14">';
         el += layoutDocTree(proj.pages);
         el += '</div>';