diff --git a/en_us/css/viki.css b/en_us/css/viki.css
index 6990a768..131aae5c 100644
--- a/en_us/css/viki.css
+++ b/en_us/css/viki.css
@@ -146,6 +146,13 @@ div.viki-flowchart-diagram {
     overflow: hidden;
 }
 
+div.viki-wavedrom-diagram {
+    padding: 0px 5px 0px 5px;
+    margin: 16px 0px 16px 0px;
+    width: fit-content;
+    overflow: hidden;
+}
+
 div.viki-plantuml-diagram {
     padding: 5px 5px 0px 5px;
     margin: 16px 0px 16px 0px;
@@ -246,10 +253,11 @@ x-eqs > span {
     position: sticky;
     top: 4rem;
     height: calc(100vh - 4rem);
-    overflow-y: auto;
+    overflow: auto;
     padding-top: 1.5rem;
     padding-bottom: 1.5rem;
     font-size: .875rem;
+    white-space: nowrap;
 }
 
 .viki-toc > ul {
@@ -260,6 +268,10 @@ x-eqs > span {
     list-style-type: none;
 }
 
+.viki-toc ul ul {
+    padding-left: 1.5rem;
+}
+
 .viki-toc a {
     color: #808080;
 }
diff --git a/en_us/index.html b/en_us/index.html
index a43d9376..2c5ed460 100644
--- a/en_us/index.html
+++ b/en_us/index.html
@@ -4,10 +4,9 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
     <meta name="generator" content="Viki">
-    <meta name="description" content="VNote - A note-taking application that knows programmers and Markdown better" >
 
-    <title>VNote - A note-taking application that knows programmers and Markdown better</title>
-    <link id="favicon" rel="icon" href="css/vnote.ico">
+    <title>Viki - A simple Wiki page in Markdown from notebook of VNote</title>
+    <link id="favicon" rel="icon" href="https://github.com/tamlok/viki/raw/master/resources/viki.ico">
 
     <!-- Bootstrap CSS -->
     <link href="https://cdn.bootcss.com/twitter-bootstrap/4.1.3/css/bootstrap.min.css" rel="stylesheet">
@@ -54,6 +53,9 @@
     -->
     <script src="https://cdn.jsdelivr.net/npm/flowchart.js@1.11.3/release/flowchart.min.js"></script>
 
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/wavedrom/1.6.2/skins/default.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/wavedrom/1.6.2/wavedrom.min.js"></script>
+
     <!--
     <script src="http://s.plantuml.com/synchro2.js"></script>
     <script src="http://s.plantuml.com/zopfli.raw.min.js"></script>
diff --git a/en_us/js/viki.js b/en_us/js/viki.js
index adb759d1..10c14258 100644
--- a/en_us/js/viki.js
+++ b/en_us/js/viki.js
@@ -704,6 +704,6 @@ Module.A=function(b){function c(){for(var b=0;3>b;b++)e.push(0)}var d=b.length+1
 function tb(b){function c(){var c=0;ob=E;Module._main&&(gb(ib),c=Module.A(b),Module.noExitRuntime||gb(jb));if(Module.postRun)for("function"==typeof Module.postRun&&(Module.postRun=[Module.postRun]);0<Module.postRun.length;)Module.postRun.pop()();return c}b=b||Module.arguments;if(0<mb)return Module.c("run() called, but dependencies remain, so not running"),0;if(Module.preRun){"function"==typeof Module.preRun&&(Module.preRun=[Module.preRun]);var d=Module.preRun;Module.preRun=[];for(var e=d.length-1;0<=
 e;e--)d[e]();if(0<mb)return 0}return Module.setStatus?(Module.setStatus("Running..."),setTimeout(function(){setTimeout(function(){Module.setStatus("")},1);c()},1),0):c()}Module.run=Module.O=tb;if(Module.preInit)for("function"==typeof Module.preInit&&(Module.preInit=[Module.preInit]);0<Module.preInit.length;)Module.preInit.pop()();gb(hb);var sb=E;Module.noInitialRun&&(sb=G);sb&&tb();function wd(b,c){c=c||{};this.input=b;this.F="number"===typeof c.iterations?c.iterations:15}wd.prototype.B=function(){var b=this.input,c,d,e=R(8),f;try{Sa(od,a,["number","array","number","number"],[e,b,b.length,this.F]),c=L[e>>2],d=L[e+4>>2],f=new Uint8Array(J.subarray(c,c+d))}finally{0!=(e|0)&&(b=e|0,c=L[b>>2],0!=(c|0)&&(Z(c),L[b>>2]=0),Z(e))}return f};ha("Zopfli.RawDeflate",wd);ha("Zopfli.RawDeflate.prototype.compress",wd.prototype.B);}).call(this);
 ;
-/*! viki 2018-11-27 */
+/*! viki 2018-12-05 */
 
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c=l[s].toLi(e);a.append(c)}o.append(a),t.append(o)}(new u.default).rewriteLinks(t,this.viki.info.target,""),$("body").append(t)}},{key:"routeTarget",value:function(){for(var e=this.viki.naviItems,t=this.viki.info.target.toLowerCase(),n=new v.default,i=function(e,t){return!!n.pathEqual(e.target,t)},r=null,o=[],a=0;a<e.length&&!r;++a){var l=e[a];if(l.navi)o.push(l);else if(0<l.children.length)for(var s=0;s<l.children.length;++s){var c=l.children[s];if(c.navi)o.push(c);else if(i(c,t)){r=c;break}}else if(i(l,t)){r=l;break}}for(var u=0;u<o.length&&!r;++u){var f=n.baseOfPath(o[u].target);if(n.isSubPath(f,t)){r=o[u];break}}if(r){var d=this.viki.info;d.toc=r.toc,r.navi&&(d.naviFile=r.target,d.naviIndex=d.baseUrl+r.naviIndex)}return r}},{key:"renderActionBar",value:function(e){if(0!=e.length){for(var t=$('<ul class="navbar-nav flex-row ml-md-auto d-none d-md-flex"></ul>'),n=0;n<e.length;++n){var 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t=e.target.getAttribute("href"),n=t.lastIndexOf("#");if(-1!=n){var i=t.substring(n);if(i){var r=$(i);0<r.length&&(r[0].scrollIntoView(),o.updateHashSilently(t))}}})}},{key:"isRelativeUrl",value:function(e){return-1===e.indexOf("://")}},{key:"isRelativePath",value:function(e){return void 0!==e&&!e.startsWith("/")}},{key:"cleanPath",value:function(e){if(-1===e.indexOf("/"))return e;for(var t=e.startsWith("/"),n=[],i=e.split("/"),r=0;r<i.length;++r)i[r]&&"."!==i[r]&&(".."===i[r]&&0<n.length?n.pop():n.push(i[r]));return(t?"/":"")+n.join("/")}},{key:"baseOfPath",value:function(e){var t=e.lastIndexOf("/");return e.substring(0,t+1)}},{key:"fileNameOfPath",value:function(e){var t=e.lastIndexOf("/");return e.substring(t+1)}},{key:"escapeHtml",value:function(e){var t={"&":"&amp;","<":"&lt;",">":"&gt;",'"':"&quot;","'":"&#039;"};return e.replace(/[&<>"']/g,function(e){return t[e]})}},{key:"updateHashSilently",value:function(e){window.viki_silent_hash=!0,window.location.hash=e}},{key:"pathEqual",value:function(e,t){return this.cleanPath(e.toLowerCase())===this.cleanPath(t.toLowerCase())}},{key:"isSubPath",value:function(e,t){if(!e)return!1;var n=this.cleanPath(e.toLowerCase());return this.cleanPath(t.toLowerCase()).startsWith(n)}},{key:"baseName",value:function(e){var t=e.lastIndexOf(".");return-1==t?e:e.substring(0,t)}}])&&r(t.prototype,n),i&&r(t,i),e}();n.default=i},{}],18:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0}),n.default=void 0;var r=i(e("./logger.js")),o=i(e("./vikiinfo.js")),a=e("./configworker.js"),l=i(e("./pageworker.js")),s=e("./naviworker.js"),c=i(e("./fetchtargetworker.js")),u=i(e("./contentworker.js")),f=i(e("./footerworker.js"));function i(e){return e&&e.__esModule?e:{default:e}}function d(e,t){for(var n=0;n<t.length;n++){var i=t[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in 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i,r=(i=e("./utils.js"))&&i.__esModule?i:{default:i};function o(e,t){for(var n=0;n<t.length;n++){var i=t[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}var a=function(){function e(){!function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,e),this.target="",this.anchor="",this.baseUrl="",this.toc=!0,this.naviFile="",this.naviIndex="",this.data=null,this.naviContainerId="",this.contentContainerId="",this.tocContainerId=""}var t,n,i;return t=e,(n=[{key:"setTarget",value:function(e){var t=1<arguments.length&&void 0!==arguments[1]?arguments[1]:"";this.target=e,this.anchor=t;var n=new r.default;this.baseUrl=n.baseOfPath(e)}}])&&o(t.prototype,n),i&&o(t,i),e}();n.default=a},{"./utils.js":17}],20:[function(e,t,n){"use strict";function r(e,t){for(var n=0;n<t.length;n++){var i=t[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in 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\ No newline at end of file
diff --git a/zh_cn/css/viki.css b/zh_cn/css/viki.css
index 6990a768..131aae5c 100644
--- a/zh_cn/css/viki.css
+++ b/zh_cn/css/viki.css
@@ -146,6 +146,13 @@ div.viki-flowchart-diagram {
     overflow: hidden;
 }
 
+div.viki-wavedrom-diagram {
+    padding: 0px 5px 0px 5px;
+    margin: 16px 0px 16px 0px;
+    width: fit-content;
+    overflow: hidden;
+}
+
 div.viki-plantuml-diagram {
     padding: 5px 5px 0px 5px;
     margin: 16px 0px 16px 0px;
@@ -246,10 +253,11 @@ x-eqs > span {
     position: sticky;
     top: 4rem;
     height: calc(100vh - 4rem);
-    overflow-y: auto;
+    overflow: auto;
     padding-top: 1.5rem;
     padding-bottom: 1.5rem;
     font-size: .875rem;
+    white-space: nowrap;
 }
 
 .viki-toc > ul {
@@ -260,6 +268,10 @@ x-eqs > span {
     list-style-type: none;
 }
 
+.viki-toc ul ul {
+    padding-left: 1.5rem;
+}
+
 .viki-toc a {
     color: #808080;
 }
diff --git a/zh_cn/index.html b/zh_cn/index.html
index a43d9376..2c5ed460 100644
--- a/zh_cn/index.html
+++ b/zh_cn/index.html
@@ -4,10 +4,9 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
     <meta name="generator" content="Viki">
-    <meta name="description" content="VNote - A note-taking application that knows programmers and Markdown better" >
 
-    <title>VNote - A note-taking application that knows programmers and Markdown better</title>
-    <link id="favicon" rel="icon" href="css/vnote.ico">
+    <title>Viki - A simple Wiki page in Markdown from notebook of VNote</title>
+    <link id="favicon" rel="icon" href="https://github.com/tamlok/viki/raw/master/resources/viki.ico">
 
     <!-- Bootstrap CSS -->
     <link href="https://cdn.bootcss.com/twitter-bootstrap/4.1.3/css/bootstrap.min.css" rel="stylesheet">
@@ -54,6 +53,9 @@
     -->
     <script src="https://cdn.jsdelivr.net/npm/flowchart.js@1.11.3/release/flowchart.min.js"></script>
 
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/wavedrom/1.6.2/skins/default.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/wavedrom/1.6.2/wavedrom.min.js"></script>
+
     <!--
     <script src="http://s.plantuml.com/synchro2.js"></script>
     <script src="http://s.plantuml.com/zopfli.raw.min.js"></script>
diff --git a/zh_cn/js/viki.js b/zh_cn/js/viki.js
index adb759d1..10c14258 100644
--- a/zh_cn/js/viki.js
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