diff --git a/src/assets/js/main.js b/src/assets/js/main.js
index 393b3ca..50d8edf 100644
--- a/src/assets/js/main.js
+++ b/src/assets/js/main.js
@@ -51,7 +51,7 @@ const sendRequest = (url, data) => {
         resolve({ message: 'Fichier généré' });
       },
       error: function(jqXHR, textStatus, errorThrown) {
-        reject( new Error('Erreur lors de la requête Ajax :', errorThrown) );
+        reject( new Error('Erreur lors de la requête Ajax : ' + jqXHR.responseText) );
       }
     });
   });
@@ -74,6 +74,13 @@ const initSubmitForm = () => {
     $submitBtn.prop('disabled', true);
     $spinner.removeClass('d-none');
 
+    if ( !$urlInput.val() ) {
+      toastr.error('Veuillez saisir une URL');
+      $submitBtn.prop('disabled', false);
+      $spinner.addClass('d-none');
+      return;
+    }
+
     if ( $inputs.length === 0 ) {
       toastr.error('Veuillez sélectionner au moins une colonne');
       $submitBtn.prop('disabled', false);
diff --git a/src/routes/index.js b/src/routes/index.js
index 9926dc2..cabe811 100644
--- a/src/routes/index.js
+++ b/src/routes/index.js
@@ -103,9 +103,19 @@ router.get('/', async function(req, res, next) {
 
 router.post('/', async function(req, res, next) {  
   // const url = 'https://bodacc-datadila.opendatasoft.com/api/explore/v2.1/catalog/datasets/annonces-commerciales/exports/csv?lang=fr&refine=publicationavis%3A%22A%22&refine=publicationavis_facette%3A%22Bodacc%20A%22&refine=familleavis_lib%3A%22Ventes%20et%20cessions%22&timezone=Asia%2FBaghdad&use_labels=true&delimiter=%3B';
-  const url = 'https://bodacc-datadila.opendatasoft.com/api/explore/v2.1/catalog/datasets/annonces-commerciales/exports/csv?lang=fr&refine=publicationavis%3A%22A%22&refine=publicationavis_facette%3A%22Bodacc%20A%22&refine=familleavis_lib%3A%22Ventes%20et%20cessions%22&refine=numerodepartement%3A%2275%22&refine=typeavis_lib%3A%22Avis%20d%E2%80%99annulation%22&timezone=Asia%2FBaghdad&use_labels=true&delimiter=%3B';
 
-  const columns = ['id', 'region_code', 'region_nom_officiel', 'listepersonnes.personne.typePersonne', 'listepersonnes.personne.denomination', 'listepersonnes.personne.numeroImmatriculation.numeroIdentification', 'parutionavisprecedent.nomPublication', 'parutionavisprecedent.dateParution', 'dateparution'];
+  // get url from form
+  // get columns from form
+  const url = req.body.url || '';
+  const columns = req.body.columns || [];
+
+  if ( !url ) {
+    return res.status(500).send('Invalid url');
+  }
+  if ( !columns ) {
+    return res.status(500).send('Invalid columns');
+  }
+
 
   const fileService = new FileService();