diff --git a/frontend/index.html b/frontend/index.html
index 3eba8c2..1c88269 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -4,91 +4,64 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>AETHAS38 - Installation</title>
-    <!-- Tailwind CSS -->
     <script src="https://cdn.tailwindcss.com"></script>
     <script>
         tailwind.config = {
             darkMode: 'class',
             theme: {
-                extend: {
-                    colors: {
-                        aethas: {
-                            dark: '#0f172a',
-                            panel: '#1e293b',
-                            cyan: '#06b6d4',
-                            purple: '#a855f7'
-                        }
-                    }
-                }
+                extend: { colors: { aethas: { dark: '#0f172a', panel: '#1e293b', cyan: '#06b6d4', purple: '#a855f7' } } }
             }
         }
     </script>
-    <!-- Vue.js 3 -->
     <script src="https://unpkg.com/vue@3/dist/vue.global.js"></script>
-    <!-- QRCode.js pour générer le flashcode 2FA -->
     <script src="https://cdn.jsdelivr.net/npm/qrcode@1.5.3/build/qrcode.min.js"></script>
     <style>
         body { background-color: #0f172a; color: #f8fafc; font-family: 'Inter', sans-serif; }
-        .glass-panel {
-            background: rgba(30, 41, 59, 0.7);
-            backdrop-filter: blur(10px);
-            border: 1px solid rgba(6, 182, 212, 0.2);
-            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
-        }
+        .glass-panel { background: rgba(30, 41, 59, 0.7); backdrop-filter: blur(10px); border: 1px solid rgba(6, 182, 212, 0.2); box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5); }
         .neon-text { background: linear-gradient(to right, #06b6d4, #a855f7); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
     </style>
 </head>
 <body class="flex items-center justify-center min-h-screen p-4 sm:p-8">
 
 <div id="app" class="w-full max-w-md transition-all duration-500">
-    
-    <!-- En-tête / Logo -->
     <div class="text-center mb-8">
-        <!-- Remplacer le src par le lien direct de votre image hébergée sur Google Drive -->
         <img src="https://via.placeholder.com/150x150/0f172a/06b6d4?text=Logo+A38" alt="AETHAS38 Logo" class="w-24 h-24 mx-auto mb-4 rounded-full border-2 border-aethas-cyan shadow-[0_0_15px_rgba(6,182,212,0.5)]">
         <h1 class="text-3xl font-bold tracking-wider neon-text">AETHAS38</h1>
         <p class="text-gray-400 text-sm mt-2">Configuration de l'Orchestrateur Multi-IA</p>
     </div>
 
-    <!-- Panneau principal -->
     <div class="glass-panel rounded-2xl p-6 sm:p-8">
         
-        <!-- Étape 1 : Formulaire -->
         <form v-if="!setupComplete" @submit.prevent="submitSetup" class="space-y-5">
-            <div v-if="errorMessage" class="p-3 bg-red-900/50 border border-red-500 rounded text-red-200 text-sm text-center">
-                {{ errorMessage }}
-            </div>
-
+            <div v-if="errorMessage" class="p-3 bg-red-900/50 border border-red-500 rounded text-red-200 text-sm text-center">{{ errorMessage }}</div>
             <div>
                 <label class="block text-sm font-medium text-gray-300 mb-1">Email Administrateur</label>
                 <input v-model="form.email" type="email" required class="w-full bg-aethas-dark border border-gray-600 rounded-lg px-4 py-2.5 focus:outline-none focus:border-aethas-cyan focus:ring-1 focus:ring-aethas-cyan transition-colors" placeholder="admin@domaine.com">
             </div>
-
             <div>
                 <label class="block text-sm font-medium text-gray-300 mb-1">Nom d'utilisateur</label>
                 <input v-model="form.username" type="text" required class="w-full bg-aethas-dark border border-gray-600 rounded-lg px-4 py-2.5 focus:outline-none focus:border-aethas-cyan focus:ring-1 focus:ring-aethas-cyan transition-colors" placeholder="Admin">
             </div>
-
             <div>
                 <label class="block text-sm font-medium text-gray-300 mb-1">Mot de passe</label>
                 <input v-model="form.password" type="password" required class="w-full bg-aethas-dark border border-gray-600 rounded-lg px-4 py-2.5 focus:outline-none focus:border-aethas-cyan focus:ring-1 focus:ring-aethas-cyan transition-colors" placeholder="••••••••">
             </div>
-
             <button type="submit" :disabled="isSubmitting" class="w-full bg-gradient-to-r from-aethas-cyan to-aethas-purple hover:opacity-90 text-white font-semibold py-3 px-4 rounded-lg transition-all shadow-[0_0_10px_rgba(168,85,247,0.4)] flex justify-center items-center mt-6">
                 <span v-if="isSubmitting">Création en cours...</span>
                 <span v-else>Initialiser le système</span>
             </button>
         </form>
 
-        <!-- Étape 2 : Validation 2FA -->
         <div v-else class="text-center space-y-6 animate-fade-in">
             <div class="inline-flex items-center justify-center w-12 h-12 rounded-full bg-green-900/50 text-green-400 mb-2">
                 <svg class="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7"></path></svg>
             </div>
             <h2 class="text-xl font-bold text-white">Compte créé avec succès</h2>
             
-            <div class="bg-white p-4 rounded-xl inline-block mx-auto">
-                <canvas id="qrcode"></canvas>
+            <!-- CORRECTION ICI : Utilisation d'une balise <img> avec rendu direct -->
+            <div class="bg-white p-4 rounded-xl inline-block mx-auto min-w-[200px] min-h-[200px] flex items-center justify-center">
+                <img v-if="qrCodeUrl" :src="qrCodeUrl" alt="QR Code 2FA" class="w-full h-full object-contain">
+                <span v-else class="text-gray-500 text-sm">Génération...</span>
             </div>
             
             <div class="text-sm text-gray-300 space-y-2">
@@ -104,7 +77,7 @@
 </div>
 
 <script>
-    const { createApp, ref, reactive, nextTick } = Vue;
+    const { createApp, ref, reactive } = Vue;
 
     createApp({
         setup() {
@@ -113,6 +86,7 @@
             const setupComplete = ref(false);
             const errorMessage = ref('');
             const totpSecret = ref('');
+            const qrCodeUrl = ref('');
 
             const submitSetup = async () => {
                 isSubmitting.value = true;
@@ -134,14 +108,11 @@
                     totpSecret.value = data.totp_secret;
                     setupComplete.value = true;
 
-                    // Génération du QR code sur le canvas après le rendu Vue
-                    nextTick(() => {
-                        const canvas = document.getElementById('qrcode');
-                        QRCode.toCanvas(canvas, data.totp_uri, {
-                            width: 200,
-                            margin: 1,
-                            color: { dark: "#0f172a", light: "#ffffff" }
-                        });
+                    // CORRECTION ICI : Génération d'une URL d'image (Data URL) au lieu du Canvas
+                    qrCodeUrl.value = await QRCode.toDataURL(data.totp_uri, {
+                        width: 200,
+                        margin: 1,
+                        color: { dark: "#0f172a", light: "#ffffff" }
                     });
 
                 } catch (error) {
@@ -151,10 +122,9 @@
                 }
             };
 
-            return { form, isSubmitting, setupComplete, errorMessage, totpSecret, submitSetup };
+            return { form, isSubmitting, setupComplete, errorMessage, totpSecret, qrCodeUrl, submitSetup };
         }
     }).mount('#app');
 </script>
-
 </body>
 </html>
\ No newline at end of file