diff --git a/cao_sunyata/models/entries.py b/cao_sunyata/models/entries.py
index f897443..57c00ff 100644
--- a/cao_sunyata/models/entries.py
+++ b/cao_sunyata/models/entries.py
@@ -4,6 +4,8 @@ from sqlalchemy import text
 from .default import (
     execute_query,
 )
+from webhelpers2.text import urlify #<- will generate slugs
+
 
 def get_entries_by_topic(request, topic, tag):
     query = "SELECT *, strftime('%d/%m/%Y', created) AS create_date FROM entries WHERE topic_id = '{0}'".format(topic)
@@ -196,3 +198,16 @@ def update_topic(request, topic, new_values):
         new_values['topic'] = topic
         query = "UPDATE topics SET %s WHERE topic = :topic;" % s
     execute_query(request, query, new_values)
+
+def get_entries(request):
+    query = """SELECT * FROM entries WHERE title_url IS NULL;"""
+    results = request.dbsession.execute(text(query)).fetchall()
+    return results
+
+def update_entries_url(request):
+    # lire tous les posts
+    entries = get_entries(request)
+    for entry in entries:
+        slug = urlify(entry.title)
+        query = "UPDATE entries SET title_url = :slug WHERE id = :id;"
+        execute_query(request, query, {'id': entry.id, 'slug': slug})
diff --git a/cao_sunyata/templates/blog_search.jinja2 b/cao_sunyata/templates/blog_search.jinja2
index 0c78449..848484b 100644
--- a/cao_sunyata/templates/blog_search.jinja2
+++ b/cao_sunyata/templates/blog_search.jinja2
@@ -8,10 +8,12 @@
 		<form id="search-form" class="form-horizontal" role="form" action="/blog_search" method="post">
 	
 			<div class="mb-3">
-					<div class="input-group mb-3">
+                <div class="input-group mb-3">
 					<input type="text" class="form-control" name="criteria">
 					<button class="btn btn-primary" type="submit" name="form.submitted">Rechercher</button>
-	
+                </div>
+                <button class="btn btn-warning" type="submit" name="form.replace">Remplacer title_url</button>
+
 			</div>
 		</form>
 	
@@ -30,7 +32,7 @@
                         {% for entry in items %}
                             <tr>
                                 <td>
-                                    <a href="{{ request.route_url('blog', id=entry.id, slug='slug') }}">
+                                    <a href="{{ request.route_url('blog', id=entry.id, slug=entry.title_url) }}">
                                         {{ entry.title }}
                                     </a>
                                 </td>
diff --git a/cao_sunyata/templates/home.jinja2 b/cao_sunyata/templates/home.jinja2
index 29f4776..5dc725c 100644
--- a/cao_sunyata/templates/home.jinja2
+++ b/cao_sunyata/templates/home.jinja2
@@ -85,7 +85,7 @@
         <div class="card-body text-center p-3">
           {{ activity_col1 | safe }}
           {% if request.authenticated_userid %}
-            <p class="text-left fs-2"> <a href="{{ request.route_url('blog', id=32, slug='slug') }}">[Modifier ce bloc]</a></p>
+            <p class="text-left fs-2"> <a href="{{ request.route_url('blog', id=32, slug='activity_col1') }}">[Modifier ce bloc]</a></p>
           {% endif %}
         </div>
       </div>
@@ -101,7 +101,7 @@
         <div class="card-body text-center p-3">
           {{ activity_col2 | safe }}
             {% if request.authenticated_userid %}
-            <p class="text-left fs-2"> <a href="{{ request.route_url('blog', id=40, slug='slug') }}">[Modifier ce bloc]</a></p>
+            <p class="text-left fs-2"> <a href="{{ request.route_url('blog', id=40, slug='activity_col2') }}">[Modifier ce bloc]</a></p>
           {% endif %}
         </div>
       </div>
@@ -117,7 +117,7 @@
         <div class="card-body text-center p-3">
           {{ activity_col3 | safe }}
             {% if request.authenticated_userid %}
-            <p class="text-left fs-2"> <a href="{{ request.route_url('blog', id=207, slug='slug') }}">[Modifier ce bloc]</a></p>
+            <p class="text-left fs-2"> <a href="{{ request.route_url('blog', id=207, slug='activity_col3') }}">[Modifier ce bloc]</a></p>
           {% endif %}
 
         </div>
@@ -136,7 +136,7 @@
               <tr>
                 <td>{{ entry.create_date }}</td>
                 <td>
-                  <a href="{{ request.route_url('blog', id=entry.id, slug='slug') }}">{{ entry.title }}</a>
+                  <a href="{{ request.route_url('blog', id=entry.id, slug='entry.title_url') }}">{{ entry.title }}</a>
                 </td>
                 <td>{{ entry.author }}</td>
                 {% if entry.status != 'publié' %}
diff --git a/cao_sunyata/templates/settings.jinja2 b/cao_sunyata/templates/settings.jinja2
index 02e0821..154d022 100644
--- a/cao_sunyata/templates/settings.jinja2
+++ b/cao_sunyata/templates/settings.jinja2
@@ -71,7 +71,7 @@
 						<td>{{ entry.edit_date }}</td>
 						<td>{{ entry.editor }}</td>
 						<td>
-							<a href="{{ request.route_url('blog', id=entry.id, slug='slug') }}">{{ entry.title }}</a>
+							<a href="{{ request.route_url('blog', id=entry.id, slug='entry.title_url') }}">{{ entry.title }}</a>
 						</td>
 						<td>{{ entry.tag }}</td>
 						{% if entry.status != 'publié' %}
diff --git a/cao_sunyata/views/blog.py b/cao_sunyata/views/blog.py
index 7e61d7c..bab5498 100644
--- a/cao_sunyata/views/blog.py
+++ b/cao_sunyata/views/blog.py
@@ -111,8 +111,7 @@ def blog_edit(request):
         # lire les contenus correles
         relateds = get_entries_related(request, entry.id)
         page_title = 'Modifier : ' + entry.title
-        entry_slug = urlify(entry.title)
-        url_retour = request.route_url('blog', id=blog_id, slug=entry_slug)
+        url_retour = request.route_url('blog', id=blog_id, slug=entry.title_url)
 
     if 'form.submitted' in request.params:
         new_values = {}
@@ -122,6 +121,7 @@ def blog_edit(request):
                 if param == 'title':
                     # interdire le car '/' dans le titre à cause du slug
                     new_values['title'] = new_values['title'].replace('/','.')
+                    new_values['title_url'] = urlify(new_values['title'])
                 elif param == 'body':
                     new_values['body'] = new_values['body'].strip()
                 elif param == 'source_link':
@@ -175,9 +175,13 @@ def blog_search(request):
         criteria = request.params['criteria']
         # si afficher tous les fiches ?
         items = get_entries_by_criteria(request, criteria)
-        
+
+    if 'form.replace' in request.params:
+        update_entries_url(request)
+        request.session.flash("Le changement a été effectué avec succès !", 'success')
+
     return {
-        'page_title': "Rechercher interne",
+        'page_title': "Recherche interne",
         'items': items,
         'criteria': criteria,
     }
@@ -266,9 +270,8 @@ def topic(request):
             liste += '<div><table class="table table-sm ms-4 mb-4">'
             liste += '<tbody class="table-group-divider">'
             for item in items:
-                item_slug = urlify(item.title)
                 liste += '<tr>'
-                liste += '<td><a href="%s">%s</a></td>' % (request.route_url('blog', id=item.id, slug=item_slug), item.title)
+                liste += '<td><a href="%s">%s</a></td>' % (request.route_url('blog', id=item.id, slug=item.title_url), item.title)
                 liste += '<td>%s</td>' % item.author
                 liste += '<td>%s</td>' % item.create_date
                 if item.status != 'publié':