diff --git a/layout/_partial/sidebar/index.ejs b/layout/_partial/sidebar/index.ejs
index 80ecf8a..8b137ee 100755
--- a/layout/_partial/sidebar/index.ejs
+++ b/layout/_partial/sidebar/index.ejs
@@ -3,8 +3,13 @@
 if (page.sidebar == undefined) {
   if (page.layout == 'post' && page.content) {
     page.sidebar = ['toc', 'repo_info'];
-  } else if (page.layout == 'wiki' && page.content) {
-    page.sidebar = ['toc', 'repo_info', 'wiki_more'];
+  } 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'];
+    }
   } else {
     page.sidebar = theme.sidebar.widgets.default_layout;
   }
diff --git a/layout/_partial/sidebar/widgets/toc.ejs b/layout/_partial/sidebar/widgets/toc.ejs
index b5e275b..cb4a390 100644
--- a/layout/_partial/sidebar/widgets/toc.ejs
+++ b/layout/_partial/sidebar/widgets/toc.ejs
@@ -1,4 +1,6 @@
 <%
+let proj = theme.wiki.projects[page.wiki];
+
 function layoutToc() {
   if (toc(page.content).length > 0) {
     return toc(page.content, {
@@ -9,79 +11,91 @@ function layoutToc() {
   }
   return '';
 }
-function layoutDiv(fallback) {
-  var t = '';
-  if (page.layout == 'post' && page.content) {
-    let toc_content = toc(page.content);
-    if (toc_content && toc_content.length > 0) {
-      t = page.layout;
-    }
-  } else if (page.layout == 'wiki') {
-    t = page.layout;
-  } else if (page.sidebar.includes('toc') == true) {
-    t = page.layout;
-  }
+
+function layoutTocHeader(title) {
   var el = '';
-  if (t.length > 0) {
-    el += '<div class="widget-wrap" id="toc">';
-    el += '<div class="widget-header cap dis-select">';
-    if (page.toc_title) {
-      el += '<span class="name">' + page.toc_title + '</span>';
-    } else if (t == 'wiki') {
-      el += '';
-    } else {
-      el += '<span class="name">' + __("meta.toc") + '</span>';
+  el += '<div class="widget-header cap dis-select">';
+  if (title) {
+    el += '<span class="name">' + title + '</span>';
+  } else {
+    el += '<span class="name">' + __("meta.toc") + '</span>';
+  }
+  el += '</div>';
+  return el;
+}
+
+function layoutDocTree(pages) {
+  var el = '';
+  pages.forEach((p, i) => {
+    let isActive = '';
+    if (p.path === page.path) {
+      isActive += ' active';
+    }
+    el += '<div class="doc-tree' + isActive + '">';
+    if (proj.pages.length > 1) {
+      el += '<a class="doc-tree-link' + isActive + '" href="' + url_for(p.path) + '">';
+      el += '<span class="toc-text">' + (p.title || p.seo_title) + '</span>';
+      el += '</a>';
+    }
+    if (p.path === page.path) {
+      el += layoutToc();
     }
     el += '</div>';
-    el += '<div class="widget-body fs14 ' + t + '">';
-    if (page.layout == "wiki" && page.wiki) {
-      var wikis = [];
-      wikis = site.pages.filter(function (p) {
-        if (p.layout == "wiki" && p.wiki && p.wiki == page.wiki && (p.title || p.seo_title)) {
-          if (p.order == undefined) {
-            p.order = 0;
-          }
-          return true;
-        } else {
-          return false;
-        }
-      }).sort("order");
-      if (wikis.length > 1) {
-        wikis.each(function(p) {
-          let isActive = '';
-          if (p.path == page.path) {
-            isActive += ' active';
-          }
-          el += '<div class="doc-tree' + isActive + '">';
-          el += '<a class="doc-tree-link' + isActive + '" href="' + url_for(p.path) + '">';
-          el += '<span class="toc-text">' + (p.title || p.seo_title) + '</span>';
-          el += '</a>';
-          if (p.path == page.path) {
-            el += layoutToc();
-          }
-          el += '</div>';
-        });
-      } else {
-        el += '<div class="doc-tree active">';
-        el += layoutToc();
-        el += '</div>';
-      }
+  });
+  return el;
+}
+
+
+function layoutDiv(fallback) {
+  var type = '';
+  if (proj && proj.pages) {
+    if (proj.pages.length > 1) {
+      type = 'multi';
     } else {
+      type = 'single';
+    }
+  } else {
+    let toc_content = toc(page.content);
+    if (toc_content && toc_content.length > 0) {
+      type = 'single';
+    }
+  }
+
+  var el = '';
+  if (type.length > 0) {
+    el += '<div class="widget-wrap" id="toc">';
+    if (page.layout !== 'wiki') {
+      // post 布局
+      el += layoutTocHeader(page.toc_title || __("meta.toc"));
+      el += '<div class="widget-body fs14 ' + type + '">';
       el += '<div class="doc-tree active">';
       el += layoutToc();
       el += '</div>';
+      el += '</div>';
+    } else if (proj) {
+      // wiki 布局
+      if (proj.sections && proj.sections.length > 0) {
+        proj.sections.forEach((sec, i) => {
+          // 多 section
+          el += layoutTocHeader(sec.title);
+          el += '<div class="widget-body fs14 ' + type + '">';
+          el += layoutDocTree(sec.pages);
+          el += '</div>';
+        });
+      } else {
+        // 单 section
+        el += '<div class="widget-body fs14 ' + type + '">';
+        el += layoutDocTree(proj.pages);
+        el += '</div>';
+      }
     }
     el += '</div>';
-    el += '</div>';
-    return el;
   } else if (item.fallback) {
-    return fallback(item.fallback);
+    el += partial(item.fallback, {item: theme.sidebar.widgets[item.fallback]});
   }
+  return el;
 }
 
 %>
-<%-
-layoutDiv(function(widget){
-  return partial(widget, {item: theme.sidebar.widgets[widget]})
-})
-%>
+
+<%- layoutDiv() %>
diff --git a/scripts/events/lib/doc_tree.js b/scripts/events/lib/doc_tree.js
index 7a54e2a..d9d43f8 100644
--- a/scripts/events/lib/doc_tree.js
+++ b/scripts/events/lib/doc_tree.js
@@ -67,6 +67,34 @@ module.exports = hexo => {
     proj.pages.limit(1).forEach((p, i) => {
       proj.path = p.path;
     });
+    // 内页按 section 分组
+    var secs = [];
+    if (proj.sections) {
+      for (let t of Object.keys(proj.sections)) {
+        let range = proj.sections[t];
+        if (range.length > 1) {
+          secs.push({
+            title: t,
+            from: range[0],
+            to: range[1]
+          });
+        }
+      }
+    }
+    var newSections = [];
+    secs.forEach((sec, i) => {
+      const pages = proj.pages.filter(function (p) {
+        return p.order >= sec.from && p.order <= sec.to;
+      });
+      if (pages && pages.length > 0) {
+        newSections.push({
+          title: sec.title,
+          pages: pages
+        });
+      }
+    });
+    proj.sections = newSections;
+
   }
 
   var groups = {};
diff --git a/scripts/tags/copy.js b/scripts/tags/copy.js
index 2be21dd..9923a73 100644
--- a/scripts/tags/copy.js
+++ b/scripts/tags/copy.js
@@ -30,7 +30,7 @@ hexo.extend.tag.register('copy', function(args) {
     }
   }
 
-  const copy_id = 'copy-' + ++copy_index + '-' + text.replace(/[^a-z|0-9|.:]/gi, '');
+  const copy_id = 'copy_' + ++copy_index + '-' + text.replace(/[^a-z|0-9|.:]/gi, '');
 
   var el = '';
   el += '<div class="tag-plugin copy"';
diff --git a/scripts/tags/lib/tabs.js b/scripts/tags/lib/tabs.js
index b0e2b02..544c740 100644
--- a/scripts/tags/lib/tabs.js
+++ b/scripts/tags/lib/tabs.js
@@ -4,6 +4,8 @@
 
 'use strict';
 
+var tab_index = 0;
+
 module.exports = ctx => function(args, content) {
   var el = '';
   var arr = content.split(/<!--\s*(.*?)\s*-->/g).filter((item, i) => {
@@ -28,16 +30,14 @@ module.exports = ctx => function(args, content) {
     }
   });
 
-  args = ctx.args.map(args, ['active', 'align'], ['tabName']);
-  const tabName = args.tabName;
+  args = ctx.args.map(args, ['active', 'align']);
+  const tabName = 'tab_' + ++tab_index;
   const tabActive = Number(args.active) || 0;
 
   let tabId = 0;
   let tabNav = '';
   let tabContent = '';
 
-  if (!tabName) ctx.log.warn('Tabs block must have unique name!');
-
   tabs.forEach((tab, i) => {
     let caption = tab.header.substring(4);
     let content = ctx.render.renderSync({ text: tab.body, engine: 'markdown' }).trim();
diff --git a/source/css/_layout/sidebar/toc_wiki.styl b/source/css/_layout/sidebar/toc_wiki.styl
index 2b4bcb7..9887a91 100644
--- a/source/css/_layout/sidebar/toc_wiki.styl
+++ b/source/css/_layout/sidebar/toc_wiki.styl
@@ -1,10 +1,10 @@
-.l_left[layout='wiki'] .widget-wrap#toc
-  margin-top: 0
-  .widget-body
-    margin-top: 0
+.widget-wrap#toc
+  .widget-body+.widget-header
+    margin-top: 1rem
+
 
 // 其它分页链接
-.widget-wrap#toc .doc-tree:not(:only-child)
+.widget-wrap#toc .multi .doc-tree
   border-radius: 4px
   margin: 4px 0
   background: var(--block)
@@ -33,7 +33,7 @@
 
 
 // 当前分页链接
-.widget-wrap#toc .doc-tree.active:not(:only-child)
+.widget-wrap#toc .multi .doc-tree.active
   a.doc-tree-link
     background: var(--block)
     font-weight: 700