diff --git a/add_review.php b/add_review.php
index 821c84c72a0cc31a8a26daeb2f8f5fd68638bcaf..9cb91a5b01135cac1c22bf5518343b8cf01fb16e 100644
--- a/add_review.php
+++ b/add_review.php
@@ -1,44 +1,41 @@
-<?php
-
+<?php 
+session_start();
 include 'components/connect.php';
 
+$user_id = $_SESSION['user_id'] ?? ''; // ตรวจสอบว่ามีการ login หรือไม่
+
 if(isset($_GET['get_id'])){
    $get_id = $_GET['get_id'];
 }else{
-   $get_id = '';
    header('location:all_posts.php');
+   exit();
 }
 
 if(isset($_POST['submit'])){
-
    if($user_id != ''){
 
-      $id = create_unique_id();
-      $title = $_POST['title'];
-      $title = filter_var($title, FILTER_SANITIZE_STRING);
-      $description = $_POST['description'];
-      $description = filter_var($description, FILTER_SANITIZE_STRING);
-      $rating = $_POST['rating'];
-      $rating = filter_var($rating, FILTER_SANITIZE_STRING);
+      $title = filter_var($_POST['title'], FILTER_SANITIZE_STRING);
+      $description = filter_var($_POST['description'], FILTER_SANITIZE_STRING);
+      $rating = filter_var($_POST['rating'], FILTER_SANITIZE_STRING);
 
       $verify_review = $conn->prepare("SELECT * FROM `reviews` WHERE post_id = ? AND user_id = ?");
       $verify_review->execute([$get_id, $user_id]);
 
       if($verify_review->rowCount() > 0){
          $warning_msg[] = 'Your review already added!';
-      }else{
-         $add_review = $conn->prepare("INSERT INTO `reviews`(id, post_id, user_id, rating, title, description) VALUES(?,?,?,?,?,?)");
-         $add_review->execute([$id, $get_id, $user_id, $rating, $title, $description]);
+      } else {
+         // ไม่ต้องระบุ id เพราะมัน AUTO_INCREMENT
+         $add_review = $conn->prepare("INSERT INTO `reviews`(post_id, user_id, rating, title, description) VALUES(?,?,?,?,?)");
+         $add_review->execute([$get_id, $user_id, $rating, $title, $description]);
          $success_msg[] = 'Review added!';
       }
 
-   }else{
+   } else {
       $warning_msg[] = 'Please login first!';
    }
-
 }
-
 ?>
+
 <!DOCTYPE html>
 <html lang="en">
 <head>