From c0fdfd341ab1ec27fc19c5d5565fb50f98fd1b8d Mon Sep 17 00:00:00 2001
From: qkqpttgf <45693631+qkqpttgf@users.noreply.github.com>
Date: Thu, 27 Jan 2022 22:06:26 +0800
Subject: [PATCH] fix : getenv(null)

be58a17328fc712eba0fd31dce493b3201de8f63
---
 common.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/common.php b/common.php
index 969054f..13f6278 100644
--- a/common.php
+++ b/common.php
@@ -226,9 +226,10 @@ function main($path)
             return output('Please visit <a href="' . $tmp . '">' . $tmp . '</a>.', 301, [ 'Location' => $tmp ]);
         }
         if ($_SERVER['admin']) {
+            if (!$_SERVER['disktag']) $_SERVER['disktag'] = '';
             if (!class_exists($_GET['AddDisk'])) require 'disk' . $slash . $_GET['AddDisk'] . '.php';
-                $drive = new $_GET['AddDisk']($_GET['disktag']);
-                return $drive->AddDisk();
+            $drive = new $_GET['AddDisk']($_GET['disktag']);
+            return $drive->AddDisk();
         } else {
             $url = $_SERVER['PHP_SELF'];
             /*if ($_GET) {