diff --git a/_config.yml b/_config.yml
index 2c3ff8c2e9..38f95dfa4e 100644
--- a/_config.yml
+++ b/_config.yml
@@ -15,6 +15,21 @@ defaults:
       path: ""
     values:
       layout: sidebar
+  -
+    scope:
+      path: "*"
+    values:
+      root: "."
+  -
+    scope:
+      path: "*/*"
+    values:
+      root: ".."
+  -
+    scope:
+      path: "*/*/*"
+    values:
+      root: "../.."
 
 collections_dir: docs
 collections:
diff --git a/_includes/head.html b/_includes/head.html
index 233b378827..724ce5a28a 100644
--- a/_includes/head.html
+++ b/_includes/head.html
@@ -5,28 +5,28 @@
 
     <title>{% if page.title %}{{ page.title }} | {% endif %}Go Ethereum</title>
 
-    <link rel="icon" type="image/png" href="{{ site.favicon | prepend: site.baseurl | replace: '//', '/'}}" />
+    <link rel="icon" type="image/png" href="{% include link.html url=site.favicon %}" />
     {% if layout.common-css %}
         {% for css in layout.common-css %}
-    <link rel="stylesheet" href="{{ css | prepend: site.baseurl | replace: '//', '/' }}" />
+    <link rel="stylesheet" href="{% include link.html url=css %}"" />
         {% endfor %}
     {% endif %}
 
     {% if page.css %}
         {% for css in page.css %}
-    <link rel="stylesheet" href="{{ css | prepend: site.baseurl | replace: '//', '/' }}" />
+    <link rel="stylesheet" href="{% include link.html url=css %}"" />
         {% endfor %}
     {% endif %}
 
     {% if layout.common-js %}
         {% for js in layout.common-js %}
-    <script src="{{ js | prepend: site.baseurl | replace: '//', '/' }}"></script>
+    <script src="{% include link.html url=js %}"></script>
         {% endfor %}
     {% endif %}
   
     {% if page.js %}
         {% for js in page.js %}
-    <script src="{{ js | prepend: site.baseurl | replace: '//', '/' }}"></script>
+    <script src="{% include link.html url=js %}"></script>
         {% endfor %}
     {% endif %}
 
diff --git a/_includes/link.html b/_includes/link.html
index 47b146d5a5..393917d502 100644
--- a/_includes/link.html
+++ b/_includes/link.html
@@ -1 +1 @@
-{{ include.url | remove: ".html" | prepend: site.baseurl | replace: '//', '/' }}
\ No newline at end of file
+{{ include.url | remove: ".html" | prepend: page.root | replace: '//', '/' }}
\ No newline at end of file
diff --git a/_layouts/default.html b/_layouts/default.html
index 057b6ca825..9a8ad9cf96 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -17,7 +17,6 @@ common-js:
   {% include head.html %}
 
   <body>
-    <p>baseurl: {{ site.baseurl }} </p>
     <nav class="navbar navbar-default navbar-fixed-top">
       <div class="container">
         <div class="navbar-header">
@@ -27,19 +26,20 @@ common-js:
             <span class="icon-bar"></span>
             <span class="icon-bar"></span>
           </button>
-          <a class="navbar-brand" href="{{ site.url }}{{ site.baseurl }}">Go Ethereum</a>
+          <a class="navbar-brand" href="{{ page.root }}/">Go Ethereum</a>
         </div>
         <div id="navbar" class="navbar-collapse collapse">
           <ul class="nav navbar-nav">
               {% for link in site.data.navbar %}
               <li>
-                  <a href="{{ link[1] | prepend: site.baseurl | replace: '//', '/' }}">{{ link[0] }}</a>
+                  <a href="{% include link.html url=link.last %}">{{ link.first }}</a>
               </li>
               {% endfor %}
           </ul>
         </div>
       </div>
     </nav>
+    <p>debug path:{{ page.path }}</p>
     {{ content }}
     <hr/>
     <footer class="container">
diff --git a/doc.md b/doc.md
index cb91264512..b75fdcba15 100644
--- a/doc.md
+++ b/doc.md
@@ -1,7 +1,7 @@
 ---
 title: Other documents
+root: ..
 ---
-
 {% for p in site.doc %}
 * [{{ p.title }}]({% include link.html url=p.url %})
 {% endfor %}
\ No newline at end of file
