diff --git a/controllers/registerController.js b/controllers/registerController.js
index dc7c7e9711bc1a7d6dedcae23421e78827e21512..f2b683592f2579796230b4feab68d58a31d6d99f 100644
--- a/controllers/registerController.js
+++ b/controllers/registerController.js
@@ -2,53 +2,23 @@ const bcrypt = require('bcrypt');
 const pool = require('../db');
 
 module.exports = {
-    registerUser: async (req, res) => {
-        const { email, username, fname, lname, rpassword, confirm_password } = req.body;
-
-        if (rpassword !== confirm_password) {
-            req.flash('message', 'Passwords do not match!');
-            return res.redirect('/register');
-        }
+    showRegisterPage: (req, res) => {
+        res.render('register', { message: req.flash('message') });
+    },
 
-        if (!email || !username || !fname || !lname || !rpassword || !confirm_password) {
-            req.flash('message', 'Please fill in all fields!');
-            return res.redirect('/register');
-        }
+    registerUser: async (req, res) => {
+        const { email, rpassword } = req.body;
 
         try {
-            // ตรวจสอบว่าอีเมลมีอยู่ในระบบหรือไม่
-            const [existingUser] = await pool.execute('SELECT * FROM users WHERE email = ?', [email]);
-            if (existingUser.length > 0) {
-                req.flash('message', 'Email is already registered.');
-                return res.redirect('/register');
-            }
-
-            // ตรวจสอบว่า username มีอยู่แล้วหรือไม่
-            const [existingUsername] = await pool.execute('SELECT * FROM users WHERE username = ?', [username]);
-            if (existingUsername.length > 0) {
-                req.flash('message', 'Username is already taken.');
-                return res.redirect('/register');
-            }
-
-            // แฮชรหัสผ่าน
             const hashedPassword = await bcrypt.hash(rpassword, 10);
+            const query = 'INSERT INTO users (email, password) VALUES (?, ?)';
+            await pool.execute(query, [email, hashedPassword]);
 
-            // บันทึกข้อมูลผู้ใช้ในฐานข้อมูล
-            const query = 'INSERT INTO users (email, username, password, fname, lname) VALUES (?, ?, ?, ?, ?)';
-            const result = await pool.execute(query, [email, username, hashedPassword, fname, lname]);
-
-            // ตรวจสอบผลลัพธ์จากการแทรกข้อมูล
-            if (result.affectedRows > 0) {
-                req.flash('message', 'Registration successful! Please log in.');
-                res.redirect('/login');
-            } else {
-                req.flash('message', 'Error occurred during registration. Please try again later.');
-                res.redirect('/register');
-            }
+            req.flash('message', 'User registered successfully. Please log in.');
+            res.redirect('/login');
         } catch (err) {
             console.error('Error inserting user:', err);
-            req.flash('message', 'Error occurred during registration. Please try again later.');
-            res.redirect('/register');
+            res.status(500).send('Error occurred');
         }
     }
 };