diff --git a/templates/blog/tags/sidebar.html b/templates/blog/tags/sidebar.html
index f262582..d802c3f 100755
--- a/templates/blog/tags/sidebar.html
+++ b/templates/blog/tags/sidebar.html
@@ -108,7 +108,7 @@
             {% else %}
                 <li><a href="{% url "account:login" %}">登录</a>
             {% endif %}
-
+            <li><a href="http://gitbook.lylinux.net" target="_blank" rel="nofollow">GitBook</a></li>
         </ul>
     </aside>
     <div id="rocket" class="show" title="点我返回顶部"></div>