diff --git a/src/pages/signature/signature.ts b/src/pages/signature/signature.ts
index d40fe0d..0dafcb0 100755
--- a/src/pages/signature/signature.ts
+++ b/src/pages/signature/signature.ts
@@ -281,8 +281,29 @@ class SignatureElement extends HTMLElement {
                 this.notificationBoard.style.display = 'none';
             }
         });
+        this.initMessageEvents();
     }
 
+    private initMessageEvents() {
+        // Pour le bouton Send
+        const sendButton = document.getElementById('send-button');
+        if (sendButton) {
+            sendButton.addEventListener('click', () => this.sendMessage());
+        }
+
+        // Pour la touche Entrée
+        const messageInput = document.getElementById('message-input');
+        if (messageInput) {
+            messageInput.addEventListener('keypress', (event: KeyboardEvent) => {
+                if (event.key === 'Enter' && !event.shiftKey) {
+                    event.preventDefault();
+                    this.sendMessage();
+                }
+            });
+        }
+    }
+
+
     private calculateDuration(startDate: string | null | undefined, endDate: string | null | undefined): number {
         const start = new Date(startDate || '');
         const end = new Date(endDate || '');
@@ -388,44 +409,44 @@ class SignatureElement extends HTMLElement {
         this.renderNotifications();
         this.updateNotificationBadge();
     }
-        // Send a messsage
+// Send a messsage
     private sendMessage() {
-        const messageInput = document.getElementById('message-input') as HTMLInputElement;
-        if (!messageInput) return;
-        const messageText = messageInput.value.trim();
+    const messageInput = document.getElementById('message-input') as HTMLInputElement;
+    if (!messageInput) return;
+    const messageText = messageInput.value.trim();
 
-        if (messageText === '' || this.selectedMemberId === null) {
-            return;
-        }
-
-        const newMessage: Message = {
-            id: Date.now(),
-            sender: "4NK",
-            text: messageText,
-            time: new Date().toLocaleTimeString([], { hour: '2-digit', minute: '2-digit' }),
-            type: 'text' as const
-        };
-
-        // Add and display the message immediately
-        messageStore.addMessage(this.selectedMemberId, newMessage);
-        this.messagesMock = messageStore.getMessages();
-        this.loadMemberChat(this.selectedMemberId);
-
-        // Reset the input
-        messageInput.value = '';
-
-        // Automatic response after 2 seconds
-        setTimeout(() => {
-            if (this.selectedMemberId) {
-                const autoReply = this.generateAutoReply(`Member ${this.selectedMemberId}`);
-                messageStore.addMessage(this.selectedMemberId, autoReply);
-                this.messagesMock = messageStore.getMessages();
-                this.loadMemberChat(this.selectedMemberId);
-                this.addNotification(this.selectedMemberId, autoReply);
-            }
-        }, 2000);
+    if (messageText === '' || this.selectedMemberId === null) {
+        return;
     }
 
+    const newMessage: Message = {
+        id: Date.now(),
+        sender: "4NK",
+        text: messageText,
+        time: new Date().toLocaleTimeString([], { hour: '2-digit', minute: '2-digit' }),
+        type: 'text' as const
+    };
+    // Add and display the message immediately
+    messageStore.addMessage(this.selectedMemberId, newMessage);
+    this.messagesMock = messageStore.getMessages();
+    this.loadMemberChat(this.selectedMemberId);
+
+    // Reset the input
+    messageInput.value = '';
+
+    // Automatic response after 2 seconds
+    setTimeout(() => {
+        if (this.selectedMemberId) {
+            const autoReply = this.generateAutoReply(`Member ${this.selectedMemberId}`);
+            messageStore.addMessage(this.selectedMemberId, autoReply);
+            this.messagesMock = messageStore.getMessages();
+            this.loadMemberChat(this.selectedMemberId);
+            this.addNotification(this.selectedMemberId, autoReply);
+        }
+    }, 2000);
+}
+
+
     private showProcessDetails(group: Group, groupId: number) {
         console.log('Showing details for group:', groupId);
         
@@ -1756,9 +1777,8 @@ class SignatureElement extends HTMLElement {
 
         const messageInput = this.shadowRoot?.querySelector('#message-input');
         if (messageInput) {
-            messageInput.addEventListener('keydown', (event: Event) => {
-                const keyEvent = event as KeyboardEvent;
-                if (keyEvent.key === 'Enter') {
+            messageInput.addEventListener('keypress', (event: Event) => {
+                if ((event as KeyboardEvent).key === 'Enter') {
                     event.preventDefault();
                     this.sendMessage();
                 }