diff --git a/WEB/Config/Config.php b/WEB/Config/Config.php
index e422dc44..700dc2c5 100644
--- a/WEB/Config/Config.php
+++ b/WEB/Config/Config.php
@@ -38,6 +38,8 @@ $vues['chuckNorris'] = 'View/src/pages/Enigme/ChuckNorris.html';
 $vues['hanoi'] = 'View/src/pages/Enigme/Hanoi.html';
 $vues['trianglePascal'] = 'View/src/pages/Enigme/TrianglePascal.html';
 $vues['doubleElement'] = 'View/src/pages/Enigme/DoubleElement.html';
+// Server
+$server = 'server.js';
 
 //Error
 $vues['erreur'] = 'View/src/pages/Erreur.php';
diff --git a/WEB/Controller/UserController.php b/WEB/Controller/UserController.php
index 7a8226f1..f45dc2c7 100644
--- a/WEB/Controller/UserController.php
+++ b/WEB/Controller/UserController.php
@@ -5,9 +5,10 @@ class UserController
     function __construct()
     {
         try {
-            global $dsn, $rep, $vues, $error;
+            global $dsn, $rep, $vues, $error, $server;
             $action = $_REQUEST['action'];
             echo $action;
+            require $rep . $server;
             switch ($action) {
                 case NULL:
                     $this->goToHome();
@@ -206,12 +207,8 @@ class UserController
             $model = new UserModel();
             $model->addToQueue();
             $userGroup = $model->findUserGroup();
-            echo '
-            <script>
-                const socket = io();
-                io.to("'.$userGroup.'").emit("launchGame", {});
-            </script>
-            ';
+            $io = get_io();
+            $io->to($userGroup)->emit("launchGame");
         } catch (Exception $e) {
             $error = $e->getMessage();
             require($rep . $vues['erreur']);
diff --git a/WEB/View/assets/img/BGPres.png b/WEB/View/assets/img/BGPres.png
index e5b7750b..89fb9820 100644
Binary files a/WEB/View/assets/img/BGPres.png and b/WEB/View/assets/img/BGPres.png differ
diff --git a/WEB/View/src/JS/cesarEncrypt.js b/WEB/View/src/JS/CesarEncrypt.js
similarity index 100%
rename from WEB/View/src/JS/cesarEncrypt.js
rename to WEB/View/src/JS/CesarEncrypt.js
diff --git a/WEB/server.js b/WEB/server.js
index 95726aa4..9622cdac 100644
--- a/WEB/server.js
+++ b/WEB/server.js
@@ -20,7 +20,9 @@ io.on('launchGame' , function () {
     location.reload();
 })
 module.exports = {
-    io : io
-};
+    get_io: function() {
+      return io;
+    }
+  };
 
 console.log('iolisten');
\ No newline at end of file