diff --git a/base/registration_urls.py b/base/registration_urls.py
index 07c9eac8fc..a1a6fd31c8 100644
--- a/base/registration_urls.py
+++ b/base/registration_urls.py
@@ -27,18 +27,27 @@ urlpatterns = patterns('',
                            activate,
                            { 'backend': 'seahub.base.accounts.RegistrationBackend', },
                            name='registration_activate'),
-                       url(r'^register/$',
-                           register,
-                           reg_dict,
-                           name='registration_register'),
-                       url(r'^register/complete/$',
-                           direct_to_template,
-                           { 'template': 'registration/registration_complete.html',
-                             'extra_context': { 'send_mail': settings.REGISTRATION_SEND_MAIL } },
-                           name='registration_complete'),
-                       url(r'^register/closed/$',
-                           direct_to_template,
-                           { 'template': 'registration/registration_closed.html' },
-                           name='registration_disallowed'),
                        (r'', include('registration.auth_urls')),
                        )
+
+try:
+    from settings import CLOUD_MODE
+except ImportError:
+    CLOUD_MODE = False
+if CLOUD_MODE:
+    urlpatterns += patterns('',
+        url(r'^register/$',
+            register,
+            reg_dict,
+            name='registration_register'),
+        url(r'^register/complete/$',
+            direct_to_template,
+            { 'template': 'registration/registration_complete.html',
+              'extra_context': { 'send_mail': settings.REGISTRATION_SEND_MAIL } },
+            name='registration_complete'),
+        url(r'^register/closed/$',
+            direct_to_template,
+            { 'template': 'registration/registration_closed.html' },
+            name='registration_disallowed'),
+)
+
diff --git a/templates/base.html b/templates/base.html
index d24d10e955..c36328e3c6 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -57,23 +57,25 @@
                 </div>
 
                 <div class="account fright">
-                {% if request.user.is_authenticated %}
-                <a href="{% url 'edit_profile' %}" class="avatar-link">{% avatar request.user 16 %}</a> <span>{{ request.user }}</span>
-                <a href="{{ SITE_ROOT }}accounts/logout/">{% trans "Log out" %}</a>
-                {% else %}
-                <a href="{{ SITE_ROOT }}accounts/login/">{% trans "Log In" %}</a>
-                <a href="{{ SITE_ROOT }}accounts/register/">{% trans "Signup" %}</a>
-                {% endif %}
-                <a href="#" id="lang-context" data="no-popup" data-lang="{{ LANGUAGE_CODE }}">
+                  {% if request.user.is_authenticated %}
+                  <a href="{% url 'edit_profile' %}" class="avatar-link">{% avatar request.user 16 %}</a> <span>{{ request.user }}</span>
+                  <a href="{{ SITE_ROOT }}accounts/logout/">{% trans "Log out" %}</a>
+                  {% else %}
+                  <a href="{{ SITE_ROOT }}accounts/login/">{% trans "Log In" %}</a>
+                    {% if cloud_mode %}
+                    <a href="{{ SITE_ROOT }}accounts/register/">{% trans "Signup" %}</a>
+                    {% endif %}
+                  {% endif %}
+                  <a href="#" id="lang-context" data="no-popup" data-lang="{{ LANGUAGE_CODE }}">
                     {{ LANGUAGE_CODE|language_name_local }}
                     <span class="tri-bg tri-down-bg"></span>
-                </a>
-                <ul class="hide" id="lang-context-selector">
+                  </a>
+                  <ul class="hide" id="lang-context-selector">
                     {% for LANG in LANGUAGES %}
                     <li><a href="{% url 'i18n' %}?lang={{ LANG.0 }}">{{ LANG.1 }}</a></li>
                     {% endfor %}
-                </ul>
-            </div>
+                  </ul>
+                </div>            <!-- /.account -->
             </div>
         </div>
     </div>