diff --git a/core/EventSuscriber/Site/NodeEventSubscriber.php b/core/EventSuscriber/Site/NodeEventSubscriber.php
index ea01c32..3608862 100644
--- a/core/EventSuscriber/Site/NodeEventSubscriber.php
+++ b/core/EventSuscriber/Site/NodeEventSubscriber.php
@@ -78,7 +78,10 @@ class NodeEventSubscriber extends EntityManagerEventSubscriber
             $generatedUrl = '/'.implode('/', $path);
         }
 
-        $generatedUrl = rtrim($generatedUrl, '/');
+        if ($generatedUrl !== '/') {
+            $generatedUrl = rtrim($generatedUrl, '/');
+        }
+
         $parameters = $node->getParameters();
 
         foreach ($parameters as $key => $parameter) {
@@ -95,6 +98,15 @@ class NodeEventSubscriber extends EntityManagerEventSubscriber
 
         $node->setParameters($parameters);
 
+        $attributes = $node->getAttributes();
+        $realAttributes = [];
+
+        foreach ($attributes as $key => $attribute) {
+            $realAttributes[$attribute['label']] = $attribute;
+        }
+
+        $node->setAttributes($realAttributes);
+
         $urlExists = $this->nodeRepository->urlExists($generatedUrl, $node);
 
         if ($urlExists) {
diff --git a/core/Form/Site/NodeParameterType.php b/core/Form/Site/NodeParameterType.php
index 6d9f487..acbcb23 100644
--- a/core/Form/Site/NodeParameterType.php
+++ b/core/Form/Site/NodeParameterType.php
@@ -44,6 +44,7 @@ class NodeParameterType extends AbstractType
             TextType::class,
             [
                 'label' => 'Éxigence',
+                'help' => 'Expression régulière',
                 'required' => false,
                 'attr' => [
                 ],
diff --git a/core/Router/SiteRouteLoader.php b/core/Router/SiteRouteLoader.php
index 1630276..e50c1a3 100644
--- a/core/Router/SiteRouteLoader.php
+++ b/core/Router/SiteRouteLoader.php
@@ -52,7 +52,10 @@ class SiteRouteLoader extends Loader
                     foreach ($node->getParameters() as $parameter) {
                         $name = $parameter['name'];
 
-                        $requirements[$name] = $parameter['requirement'];
+                        if (!empty($parameter['requirement'])) {
+                            $requirements[$name] = $parameter['requirement'];
+                        };
+
                         $defaults[$name] = $parameter['defaultValue'];
                     }
 
diff --git a/templates/site/tree_admin/navigation.html.twig b/templates/site/tree_admin/navigation.html.twig
index 637082c..053a521 100644
--- a/templates/site/tree_admin/navigation.html.twig
+++ b/templates/site/tree_admin/navigation.html.twig
@@ -112,13 +112,25 @@
                                 <div class="d block" style="padding-left: {{ (node.treeLevel - 1) * 30 }}px">
                                     {{ node.label }}
 
-                                    {% if node.url %}
-                                        <span class="ml-3">
-                                            <span class="btn btn-sm border border-secondary btn-light">
-                                                {{ node.url }}
+                                    <span class="ml-3 btn-group">
+                                        {% if node.url %}
+                                            {% if node.parameters|length %}
+                                                <span class="btn btn-sm border border-secondary btn-light">
+                                                    {{ node.url }}
+                                                </span>
+                                            {% else %}
+                                                <a href="{{ url(node.routeName) }}" target="_blank" class="btn btn-sm border border-secondary btn-light">
+                                                    {{ node.url }}
+                                                </a>
+                                            {% endif %}
+                                        {% endif %}
+
+                                        {% if node.controller %}
+                                            <span title="{{ node.controller }}" data-toggle="tooltip" data-placement="top" class="btn btn-sm border border-secondary btn-light">
+                                                <span class="fa fa-dice-d6"></span>
                                             </span>
-                                        </span>
-                                    {% endif %}
+                                        {% endif %}
+                                    </span>
                                 </div>
 
                                 <form method="post" action="{{ path('admin_site_node_toggle_visibility', {entity: node.id}) }}" id="form-node-visibility-{{ node.id }}">