diff --git a/public/index.html b/public/index.html
index 63665636caa03985a4d4905086319ea0a8976f0b..6177253b233992bb338817b6d92ddf35db29dd84 100644
--- a/public/index.html
+++ b/public/index.html
@@ -99,6 +99,24 @@
             alert(`${productName} added to cart!`);
         }
 
+        async function displayUsername() {
+        try {
+            const response = await fetch('/api/getUser');  // Endpoint to get the user's email
+            if (response.status === 401) {
+                console.log('User not logged in');
+                document.getElementById('welcome-message').innerText = 'Please log in';
+            } else {
+                const user = await response.json();
+                document.getElementById('welcome-message').innerText = `Welcome, ${user.email}`; // Display email here
+            }
+        } catch (error) {
+            console.log('Error fetching user info:', error);
+        }
+    }
+
+    // เรียกใช้ฟังก์ชันเมื่อหน้าเว็บโหลดเสร็จ
+    window.onload = displayUsername;
+
         // ฟังก์ชันอัปเดตจำนวนสินค้าที่อยู่ในตะกร้า
         function updateCart() {
             let cart = JSON.parse(localStorage.getItem('cart')) || [];