ดูโค้ดdelete.php

พอดีมีปัญหากับโค้ด
<?php
    require 'connectdb.php';
    
    $id = $_GET['id'];
    
    $sql = "delete from meeting_list where id='$id'";
    $result = mysqli_query($link,$sql);
    
    if($result){
        echo "<script>alert('ลบข้อมูลสำเร็จ');window.location='meeting.php';</script>";
    }else{
        echo "<script>alert('ลบข้อมูลไม่สำเร็จ'));</script>";
    }

?>
<meta charset="utf-8">