From d4c12a0ddd691092ad6d765729946cf4df738c94 Mon Sep 17 00:00:00 2001
From: root <root@root.com>
Date: Thu, 21 Nov 2019 22:35:03 +0800
Subject: [PATCH] update

---
 app/Http/Controllers/ClientController.php | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/app/Http/Controllers/ClientController.php b/app/Http/Controllers/ClientController.php
index a3929b2d..44eec604 100755
--- a/app/Http/Controllers/ClientController.php
+++ b/app/Http/Controllers/ClientController.php
@@ -23,14 +23,16 @@ class ClientController extends Controller
               }
           }
         }
-        if(strpos($_SERVER['HTTP_USER_AGENT'], 'Quantumult%20X') !== false) {
-          die($this->quantumultX($user, $server));
-        }
-        if(strpos($_SERVER['HTTP_USER_AGENT'], 'Quantumult') !== false) {
-          die($this->quantumult($user, $server));
-        }
-        if(strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'clash') !== false) {
-          die($this->clash($user, $server));
+        if(isset($_SERVER['HTTP_USER_AGENT'])) {
+          if(strpos($_SERVER['HTTP_USER_AGENT'], 'Quantumult%20X') !== false) {
+            die($this->quantumultX($user, $server));
+          }
+          if(strpos($_SERVER['HTTP_USER_AGENT'], 'Quantumult') !== false) {
+            die($this->quantumult($user, $server));
+          }
+          if(strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'clash') !== false) {
+            die($this->clash($user, $server));
+          }
         }
         die($this->origin($user, $server));
     }