diff --git a/lib/docsify.js b/lib/docsify.js
index 54d5f06..776c9ac 100644
--- a/lib/docsify.js
+++ b/lib/docsify.js
@@ -300,8 +300,12 @@ var isAbsolutePath = cached(function (path) {
   return /(:|(\/{2}))/.test(path)
 });
 
-var getRoot = cached(function (path) {
-  return /\/$/g.test(path) ? path : path.match(/(\S*\/)[^\/]+$/)[1]
+var getParentPath = cached(function (path) {
+  return /\/$/g.test(path)
+    ? path
+    : (path = path.match(/(\S*\/)[^\/]+$/))
+      ? path[1]
+      : ''
 });
 
 var cleanPath = cached(function (path) {
@@ -393,7 +397,7 @@ var route = Object.freeze({
 	getBasePath: getBasePath,
 	getPath: getPath,
 	isAbsolutePath: isAbsolutePath,
-	getRoot: getRoot,
+	getParentPath: getParentPath,
 	cleanPath: cleanPath
 });
 
@@ -711,7 +715,7 @@ function main (config) {
     '</button>' +
     '<aside class="sidebar">' +
       (config.name
-        ? ("<h1><a data-nosearch href=\"" + (config.nameLink) + "\">" + (config.name) + "</a></h1>")
+        ? ("<h1><a class=\"app-name-link\" data-nosearch>" + (config.name) + "</a></h1>")
         : '') +
       '<div class="sidebar-nav"></div>' +
     '</aside>');
@@ -2966,7 +2970,6 @@ markdown.init = function (config, base) {
   if ( base === void 0 ) base = window.location.pathname;
 
   contentBase = getBasePath(base);
-  currentPath = parse().path;
 
   if (isFn(config)) {
     markdownCompiler = config(marked, renderer);
@@ -3041,8 +3044,9 @@ function sidebar (text, level) {
     html = markdown(text);
     html = html.match(/<ul[^>]*>([\s\S]+)<\/ul>/g)[0];
   } else {
-    var tree$$1 = genTree(toc, level);
+    var tree$$1 = cacheTree[currentPath] || genTree(toc, level);
     html = tree(tree$$1, '<ul>');
+    cacheTree[currentPath] = tree$$1;
   }
 
   return html
@@ -3121,6 +3125,22 @@ function renderMain (html) {
   }
 }
 
+function renderNameLink (vm) {
+  var el = getNode('.app-name-link');
+  var nameLink = vm.config.nameLink;
+  var path = vm.route.path;
+
+  if (!el) { return }
+
+  if (isPrimitive(vm.config.nameLink)) {
+    el.setAttribute('href', nameLink);
+  } else if (typeof nameLink === 'object') {
+    var match = Object.keys(nameLink).find(function (key) { return path.indexOf(key) > -1; });
+
+    el.setAttribute('href', nameLink[match]);
+  }
+}
+
 function renderMixin (proto) {
   proto._renderTo = function (el, content, replace) {
     var node = getNode(el);
@@ -3136,7 +3156,7 @@ function renderMixin (proto) {
 
     this._renderTo('.sidebar-nav', sidebar(text, maxLevel));
     var active = getAndActive('.sidebar-nav', true, true);
-    loadSidebar && subSidebar(active, subMaxLevel);
+    subSidebar(loadSidebar ? active : '', subMaxLevel);
     // bind event
     this.activeLink = active;
     scrollActiveSidebar();
@@ -3200,6 +3220,8 @@ function renderMixin (proto) {
 
   proto._updateRender = function () {
     markdown.update();
+    // render name link
+    renderNameLink(this);
   };
 }
 
@@ -3278,6 +3300,7 @@ var lastRoute = {};
 function initRoute (vm) {
   normalize();
   lastRoute = vm.route = parse();
+  vm._updateRender();
 
   on('hashchange', function (_) {
     normalize();
@@ -3312,6 +3335,16 @@ function initEvent (vm) {
   }
 }
 
+function loadNested (path, file, next, vm, first) {
+  path = first ? path : path.replace(/\/$/, '');
+  path = getParentPath(path);
+
+  if (!path) { return }
+
+  get(vm.$getFile(path + file))
+    .then(next, function (_) { return loadNested(path, file, next, vm); });
+}
+
 function fetchMixin (proto) {
   var last;
   proto._fetch = function (cb) {
@@ -3323,7 +3356,6 @@ function fetchMixin (proto) {
     var ref$1 = this.config;
     var loadNavbar = ref$1.loadNavbar;
     var loadSidebar = ref$1.loadSidebar;
-    var root = getRoot(path);
 
     // Abort last request
     last && last.abort && last.abort();
@@ -3341,20 +3373,13 @@ function fetchMixin (proto) {
       var fn = function (result) { this$1._renderSidebar(result); cb(); };
 
       // Load sidebar
-      get(this$1.$getFile(root + loadSidebar))
-        // fallback root navbar when fail
-        .then(fn, function (_) { return get(loadSidebar).then(fn); });
+      loadNested(path, loadSidebar, fn, this$1, true);
     },
     function (_) { return this$1._renderMain(null); });
 
     // Load nav
     loadNavbar &&
-    get(this.$getFile(root + loadNavbar))
-      .then(
-        function (text) { return this$1._renderNav(text); },
-        // fallback root navbar when fail
-        function (_) { return get(loadNavbar).then(function (text) { return this$1._renderNav(text); }); }
-      );
+    loadNested(path, loadNavbar, function (text) { return this$1._renderNav(text); }, this, true);
   };
 
   proto._fetchCover = function () {
@@ -3362,7 +3387,7 @@ function fetchMixin (proto) {
 
     var ref = this.config;
     var coverpage = ref.coverpage;
-    var root = getRoot(this.route.path);
+    var root = getParentPath(this.route.path);
     var path = this.$getFile(root + coverpage);
 
     if (this.route.path !== '/' || !coverpage) {
diff --git a/lib/docsify.min.js b/lib/docsify.min.js
index c7f1a66..1837ca3 100644
--- a/lib/docsify.min.js
+++ b/lib/docsify.min.js
@@ -1,2 +1,2 @@
-!function(){"use strict";function e(e){var t=Object.create(null);return function(n){var r=t[n];return r||(t[n]=e(n))}}function t(e){return"string"==typeof e||"number"==typeof e}function n(){}function r(e){return"function"==typeof e}function i(e){var t=["init","mounted","beforeEach","afterEach","doneEach","ready"];e._hooks={},e._lifecycle={},t.forEach(function(t){var n=e._hooks[t]=[];e._lifecycle[t]=function(e){return n.push(e)}})}function a(e,t,r,i){void 0===i&&(i=n);var a=r,o=e._hooks[t],s=function(e){var t=o[e];if(e>=o.length)i(a);else if("function"==typeof t)if(2===t.length)t(r,function(t){a=t,s(e+1)});else{var n=t(r);a=void 0!==n?n:a,s(e+1)}else s(e+1)};s(0)}function o(e,t){return void 0===t&&(t=!1),"string"==typeof e&&(e=t?s(e):me[e]||s(e)),e}function s(e,t){return t?e.querySelector(t):ve.querySelector(e)}function l(e,t){return[].slice.call(t?e.querySelectorAll(t):ve.querySelectorAll(e))}function u(e,t){return e=ve.createElement(e),t&&(e.innerHTML=t),e}function c(e,t){return e.appendChild(t)}function p(e,t){return e.insertBefore(t,e.children[0])}function h(e,t,n){r(t)?window.addEventListener(e,t):e.addEventListener(t,n)}function d(e,t,n){r(t)?window.removeEventListener(e,t):e.removeEventListener(t,n)}function g(e,t,n){e&&e.classList[n?t:"toggle"](n||t)}function f(e){var t={};return(e=e.trim().replace(/^(\?|#|&)/,""))?(e.split("&").forEach(function(e){var n=e.replace(/\+/g," ").split("=");t[n[0]]=Le(n[1])}),t):t}function m(e){var t=[];for(var n in e)t.push((Se(n)+"="+Se(e[n])).toLowerCase());return t.length?"?"+t.join("&"):""}function v(){for(var e=[],t=arguments.length;t--;)e[t]=arguments[t];return Te(e.join("/"))}function b(e){var t=window.location.href.indexOf("#");window.location.replace(window.location.href.slice(0,t>=0?t:0)+"#"+e)}function y(){var e=k();return e=Ae(e),"/"===e.charAt(0)?b(e):void b("/"+e)}function k(){var e=window.location.href,t=e.indexOf("#");return t===-1?"":e.slice(t+1)}function w(e){void 0===e&&(e=window.location.href);var t="",n=e.indexOf("?");n>=0&&(t=e.slice(n+1),e=e.slice(0,n));var r=e.indexOf("#");return r&&(e=e.slice(r+1)),{path:e,query:f(t)}}function x(e,t){var n=w(Ae(e));return n.query=ue({},n.query,t),e=n.path+m(n.query),Te("#/"+e)}function _(e){var t=function(){return be.classList.toggle("close")};e=o(e),h(e,"click",t);var n=o(".sidebar");h(n,"click",function(){_e&&t(),setTimeout(function(){return S(n,!0,!0)},0)})}function L(){var e=o("section.cover");if(e){var t=e.getBoundingClientRect().height;window.pageYOffset>=t||e.classList.contains("hidden")?g(be,"add","sticky"):g(be,"remove","sticky")}}function S(e,t,n){e=o(e);var r,i=l(e,"a"),a="#"+k();return i.sort(function(e,t){return t.href.length-e.href.length}).forEach(function(e){var n=e.getAttribute("href"),i=t?e.parentNode:e;0!==a.indexOf(n)||r?g(i,"remove","active"):(r=e,g(i,"add","active"))}),n&&(ve.title=r?r.innerText+" - "+Me:Me),r}function C(){for(var 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self&&self.Prism&&self.document&&document.querySelector&&(self.Prism.fileHighlight=function(){var e={js:"javascript",py:"python",rb:"ruby",ps1:"powershell",psm1:"powershell",sh:"bash",bat:"batch",h:"c",tex:"latex"};Array.prototype.forEach&&Array.prototype.slice.call(document.querySelectorAll("pre[data-src]")).forEach(function(t){for(var r,i=t.getAttribute("data-src"),a=t,o=/\blang(?:uage)?-(?!\*)(\w+)\b/i;a&&!o.test(a.className);)a=a.parentNode;if(a&&(r=(t.className.match(o)||[,""])[1]),!r){var s=(i.match(/\.(\w+)$/)||[,""])[1];r=e[s]||s}var l=document.createElement("code");l.className="language-"+r,t.textContent="",l.textContent="Loading…",t.appendChild(l);var u=new XMLHttpRequest;u.open("GET",i,!0),u.onreadystatechange=function(){4==u.readyState&&(u.status<400&&u.responseText?(l.textContent=u.responseText,n.highlightElement(l)):u.status>=400?l.textContent="✖ Error "+u.status+" while fetching file: "+u.statusText:l.textContent="✖ Error: File does not exist or is 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diff --git a/lib/plugins/search.js b/lib/plugins/search.js
index cf926cc..f0690da 100644
--- a/lib/plugins/search.js
+++ b/lib/plugins/search.js
@@ -170,6 +170,7 @@ function init$1 (config, vm) {
 }
 
 var dom;
+var NO_DATA_TEXT = '';
 
 function style () {
   var code = "\n.sidebar {\n  padding-top: 0;\n}\n\n.search {\n  margin-bottom: 20px;\n  padding: 6px;\n  border-bottom: 1px solid #eee;\n}\n\n.search .results-panel {\n  display: none;\n}\n\n.search .results-panel.show {\n  display: block;\n}\n\n.search input {\n  outline: none;\n  border: none;\n  width: 100%;\n  padding: 7px;\n  line-height: 22px;\n  font-size: 14px;\n}\n\n.search h2 {\n  font-size: 17px;\n  margin: 10px 0;\n}\n\n.search a {\n  text-decoration: none;\n  color: inherit;\n}\n\n.search .matching-post {\n  border-bottom: 1px solid #eee;\n}\n\n.search .matching-post:last-child {\n  border-bottom: 0;\n}\n\n.search p {\n  font-size: 14px;\n  overflow: hidden;\n  text-overflow: ellipsis;\n  display: -webkit-box;\n  -webkit-line-clamp: 2;\n  -webkit-box-orient: vertical;\n}\n\n.search p.empty {\n  text-align: center;\n}";
@@ -207,7 +208,7 @@ function bindEvents () {
     });
 
     $panel.classList.add('show');
-    $panel.innerHTML = html || '<p class="empty">No Results!</p>';
+    $panel.innerHTML = html || ("<p class=\"empty\">" + NO_DATA_TEXT + "</p>");
   };
 
   var timeId;
@@ -231,6 +232,15 @@ function updatePlaceholder (text, path) {
   }
 }
 
+function updateNoData (text, path) {
+  if (typeof text === 'string') {
+    NO_DATA_TEXT = text;
+  } else {
+    var match = Object.keys(text).find(function (key) { return path.indexOf(key) > -1; });
+    NO_DATA_TEXT = text[match];
+  }
+}
+
 function init$$1 (opts) {
   dom = Docsify.dom;
   style();
@@ -240,10 +250,12 @@ function init$$1 (opts) {
 
 function update (opts, vm) {
   updatePlaceholder(opts.placeholder, vm.route.path);
+  updateNoData(opts.noData, vm.route.path);
 }
 
 var CONFIG = {
   placeholder: 'Type to search',
+  noData: 'No Results!',
   paths: 'auto',
   maxAge: 86400000 // 1 day
 };
@@ -258,6 +270,7 @@ var install = function (hook, vm) {
     CONFIG.paths = Array.isArray(opts.paths) ? opts.paths : 'auto';
     CONFIG.maxAge = util.isPrimitive(opts.maxAge) ? opts.maxAge : CONFIG.maxAge;
     CONFIG.placeholder = opts.placeholder || CONFIG.placeholder;
+    CONFIG.noData = opts.noData || CONFIG.noData;
   }
 
   var isAuto = CONFIG.paths === 'auto';
diff --git a/lib/plugins/search.min.js b/lib/plugins/search.min.js
index 70534f9..6055689 100644
--- a/lib/plugins/search.min.js
+++ b/lib/plugins/search.min.js
@@ -1 +1 @@
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+this.D=this.D||{},function(){"use strict";function e(e){var n={"&":"&amp;","<":"&lt;",">":"&gt;",'"':"&quot;","'":"&#39;","/":"&#x2F;"};return String(e).replace(/[&<>"'\/]/g,function(e){return n[e]})}function n(){var e=[];return d.dom.findAll("a:not([data-nosearch])").map(function(n){var t=n.href,o=n.getAttribute("href"),a=d.route.parse(t).path;a&&e.indexOf(a)===-1&&!d.route.isAbsolutePath(o)&&e.push(a)}),e}function t(e){localStorage.setItem("docsify.search.expires",Date.now()+e),localStorage.setItem("docsify.search.index",JSON.stringify(g))}function o(e,n){void 0===n&&(n="");var t,o=window.marked.lexer(n),a=window.Docsify.slugify,i=Docsify.route.toURL,r={};return o.forEach(function(n){if("heading"===n.type&&n.depth<=2)t=i(e,{id:a(n.text)}),r[t]={slug:t,title:n.text,body:""};else{if(!t)return;r[t]?r[t].body?r[t].body+="\n"+(n.text||""):r[t].body=n.text:r[t]={slug:t,title:"",body:""}}}),a.clear(),r}function a(n){var t=[],o=[];Object.keys(g).forEach(function(e){o=o.concat(Object.keys(g[e]).map(function(n){return g[e][n]}))}),n=n.trim().split(/[\s\-\，\\\/]+/);for(var a=function(a){var i=o[a],r=!1,s="",c=i.title&&i.title.trim(),l=i.body&&i.body.trim(),u=i.slug||"";if(c&&l&&(n.forEach(function(n,t){var o=new RegExp(n,"gi"),a=-1,i=-1;if(a=c&&c.search(o),i=l&&l.search(o),a<0&&i<0)r=!1;else{r=!0,i<0&&(i=0);var u=0,f=0;u=i<11?0:i-10,f=0===u?70:i+n.length+60,f>l.length&&(f=l.length);var p="..."+e(l).substring(u,f).replace(o,'<em class="search-keyword">'+n+"</em>")+"...";s+=p}}),r)){var f={title:e(c),content:s,url:u};t.push(f)}},i=0;i<o.length;i++)a(i);return t}function i(e,a){d=Docsify;var i="auto"===e.paths,r=localStorage.getItem("docsify.search.expires")<Date.now();if(g=JSON.parse(localStorage.getItem("docsify.search.index")),r)g={};else if(!i)return;var s=i?n():e.paths,c=s.length,l=0;s.forEach(function(n){return g[n]?l++:void d.get(a.$getFile(n)).then(function(a){g[n]=o(n,a),c===++l&&t(e.maxAge)})})}function r(){var e="\n.sidebar {\n  padding-top: 0;\n}\n\n.search {\n  margin-bottom: 20px;\n  padding: 6px;\n  border-bottom: 1px solid #eee;\n}\n\n.search .results-panel {\n  display: none;\n}\n\n.search .results-panel.show {\n  display: block;\n}\n\n.search input {\n  outline: none;\n  border: none;\n  width: 100%;\n  padding: 7px;\n  line-height: 22px;\n  font-size: 14px;\n}\n\n.search h2 {\n  font-size: 17px;\n  margin: 10px 0;\n}\n\n.search a {\n  text-decoration: none;\n  color: inherit;\n}\n\n.search .matching-post {\n  border-bottom: 1px solid #eee;\n}\n\n.search .matching-post:last-child {\n  border-bottom: 0;\n}\n\n.search p {\n  font-size: 14px;\n  overflow: hidden;\n  text-overflow: ellipsis;\n  display: -webkit-box;\n  -webkit-line-clamp: 2;\n  -webkit-box-orient: vertical;\n}\n\n.search p.empty {\n  text-align: center;\n}",n=h.create("style",e);h.appendTo(h.head,n)}function s(e){var n='<input type="search" /><div class="results-panel"></div></div>',t=h.create("div",n),o=h.find("aside");h.toggleClass(t,"search"),h.before(o,t)}function c(){var e,n=h.find("div.search"),t=h.find(n,"input"),o=h.find(n,".results-panel"),i=function(e){if(!e)return o.classList.remove("show"),void(o.innerHTML="");var n=a(e),t="";n.forEach(function(e){t+='<div class="matching-post">\n  <h2><a href="'+e.url+'">'+e.title+"</a></h2>\n  <p>"+e.content+"</p>\n</div>"}),o.classList.add("show"),o.innerHTML=t||'<p class="empty">'+y+"</p>"};h.on(n,"click",function(e){return"A"!==e.target.tagName&&e.stopPropagation()}),h.on(t,"input",function(n){clearTimeout(e),e=setTimeout(function(e){return i(n.target.value.trim())},100)})}function l(e,n){var t=h.getNode('.search input[type="search"]');if("string"==typeof e)t.placeholder=e;else{var o=Object.keys(e).find(function(e){return n.indexOf(e)>-1});t.placeholder=e[o]}}function u(e,n){if("string"==typeof e)y=e;else{var t=Object.keys(e).find(function(e){return n.indexOf(e)>-1});y=e[t]}}function f(e){h=Docsify.dom,r(),s(e),c()}function p(e,n){l(e.placeholder,n.route.path),u(e.noData,n.route.path)}var d,h,g={},y="",m={placeholder:"Type to search",noData:"No Results!",paths:"auto",maxAge:864e5},v=function(e,n){var t=Docsify.util,o=n.config.search||m;Array.isArray(o)?m.paths=o:"object"==typeof o&&(m.paths=Array.isArray(o.paths)?o.paths:"auto",m.maxAge=t.isPrimitive(o.maxAge)?o.maxAge:m.maxAge,m.placeholder=o.placeholder||m.placeholder,m.noData=o.noData||m.noData);var a="auto"===m.paths;e.mounted(function(e){f(m),!a&&i(m,n)}),e.doneEach(function(e){p(m,n),a&&i(m,n)})};window.$docsify.plugins=[].concat(v,window.$docsify.plugins)}();