diff --git a/WEB/Config/Config.php b/WEB/Config/Config.php
index e422dc44..38b6d00c 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..f3fcf447 100644
--- a/WEB/Controller/UserController.php
+++ b/WEB/Controller/UserController.php
@@ -1,11 +1,11 @@
 <?php
-
+require("server.js");
 class UserController
 {
     function __construct()
     {
         try {
-            global $dsn, $rep, $vues, $error;
+            global $dsn, $rep, $vues, $error, $server;
             $action = $_REQUEST['action'];
             echo $action;
             switch ($action) {
@@ -206,12 +206,8 @@ 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/Model/AdminModel.php b/WEB/Model/AdminModel.php
index 147feb63..5c696a1a 100644
--- a/WEB/Model/AdminModel.php
+++ b/WEB/Model/AdminModel.php
@@ -16,7 +16,7 @@ class AdminModel
 
     public function  addNewEnigmeSolo(string $nom,string $enonce,string $aide,string $rappel,string $exemple,string $test,string $solution, string $prompt) : Enigme
     {
-        $last = $this->enigme_gateway->findLastEnigma();
+        $last = $this->enigme_gateway->findLastEnigmaByOrdre();
         if ($last != null){
             $ordre = $last[0]->getOrdre() + 1;
         } else {
@@ -44,11 +44,32 @@ async function submit(){
         return $tabEnigme[0];
     }
 
+    private function majOrdreAfterDelete(int $ordre){
+      $lesEnigmes = $this->enigme_gateway->findSoloEnigma();
+      if ($lesEnigmes == null) {
+        return;
+      }
+      $lastOrdre = $this->enigme_gateway->findLastEnigmaByOrdre()[0]->getOrdre();
+      if ($ordre > $lastOrdre) {
+        return;
+      }
+      foreach ($lesEnigmes as $enigme) {
+        if ($enigme->getOrdre() <= $ordre) {
+          continue;
+        }
+        $enigme->setOrdre($enigme->getOrdre()-1);
+        $this->enigme_gateway->update($enigme);
+      }
+    }
+
     public function deleteEnigme(int $id) : void
     {
-      $nom = $this->enigme_gateway->findById($id)[0]->getNom();
+      $enigme = $this->enigme_gateway->findById($id)[0];
+      $nom = $enigme->getNom();
+      $ordre = $enigme->getOrdre();
       $this->enigme_gateway->delete($id);
       unlink('View/src/JS/'.$nom.'.js');
+      $this->majOrdreAfterDelete($ordre);
     }
 
     public function getEnigmesSolo() : array
@@ -91,20 +112,19 @@ async function submit(){
       $lesNombres = array();
       foreach ($lesOrdres as $ordre) {
           if ($ordre[1] < 1) {
-              return false;
+            throw new Exception("Aucune énigme ne peut avoir un ordre inférieur à 1");
           }
           $lesNombres[] = $ordre[1];
       }
       sort($lesNombres);
       if ($lesNombres[0] != 1) {
-          return false;
+        throw new Exception("La première énigme doit avoir un ordre de 1");
       }
       $last = end($lesNombres);
       $i = 0;
       while ($i < $last) {
           if ($lesNombres[$i] != $i+1) {
-          echo "Error";
-              return false;
+            throw new Exception("L'ordre des énigmes doit être consécutif");
           }
           $i++;
       }
diff --git a/WEB/View/src/JS/cesarEncrypt.js b/WEB/View/src/JS/CesarEncrypt.js
similarity index 99%
rename from WEB/View/src/JS/cesarEncrypt.js
rename to WEB/View/src/JS/CesarEncrypt.js
index 8f83e954..4268a506 100644
--- a/WEB/View/src/JS/cesarEncrypt.js
+++ b/WEB/View/src/JS/CesarEncrypt.js
@@ -2,8 +2,6 @@
           
 async function submit(){
     var test = editor.getValue()+`\n
-import random as r
-
 def EncryptVerif(text, key):
     result = ""
     for i in range(len(text)):
@@ -15,7 +13,8 @@ def EncryptVerif(text, key):
         else:
             result += chr((ord(char) + key - 97) % 26 + 97)
     return result
-  
+
+import random as r
 def testEncrypte(x):
     Encrypt("",1)
     if(Encrypt("Hello world",2)!="Jgnnq yqtnf"):
diff --git a/WEB/View/src/JS/Chouette.js b/WEB/View/src/JS/Chouette.js
index 6e5fc2c2..1f107f0b 100644
--- a/WEB/View/src/JS/Chouette.js
+++ b/WEB/View/src/JS/Chouette.js
@@ -10,7 +10,7 @@ def chouetteVerif(valeur):
         if (i+j+k) == valeur: 
           res.append([i, j, k]) 
   return res
-   import random as r
+    import random as r
 def test_chouette(n):
   chouette(1)
   listTest=[]
diff --git a/WEB/server.js b/WEB/server.js
index 95726aa4..0ed47547 100644
--- a/WEB/server.js
+++ b/WEB/server.js
@@ -19,8 +19,9 @@ io.on('launchGame' , function () {
     console.log('launch the game');
     location.reload();
 })
+
 module.exports = {
-    io : io
-};
+    io: io
+    };
 
 console.log('iolisten');
\ No newline at end of file