can access to nas menu by permission

templates/base.html

@@ -100,12 +100,14 @@
                 </a>
             </li>
 
+            {% if perms.nas_app.view_nasmodel %}
             {% url 'nas_app:home' as nashome %}
             <li{% if nashome in request.path %} class="active"{% endif %}>
                 <a href="{{ nashome }}">
                     <span class="glyphicon glyphicon-globe"></span> {% trans 'NAS' %}
                 </a>
             </li>
+            {% endif %}
 
         </ul>