From b48d81c16482f90b95eba2db8bc78c006e7916ea Mon Sep 17 00:00:00 2001
From: zzpuser <zzpuser@163.com>
Date: Sun, 7 Aug 2016 17:24:46 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=AD=A3=E2=80=9CisMobile=E2=80=9D?=
 =?UTF-8?q?=E6=96=B9=E6=B3=95=EF=BC=8C=E9=98=B2=E6=AD=A2=E5=9C=A8=E7=89=B9?=
 =?UTF-8?q?=E6=AE=8A=E6=83=85=E5=86=B5=E4=B8=8B=E5=B4=A9=E6=BA=83?=
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若HTTP请求中HTTP_ACCEPT参数缺失会导致页面错误，因此首先需要判断一下该参数是否存在
---
 library/think/Request.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/think/Request.php b/library/think/Request.php
index 4edf5083..d565eeb0 100644
--- a/library/think/Request.php
+++ b/library/think/Request.php
@@ -1228,7 +1228,7 @@ class Request
     {
         if (isset($_SERVER['HTTP_VIA']) && stristr($_SERVER['HTTP_VIA'], "wap")) {
             return true;
-        } elseif (strpos(strtoupper($_SERVER['HTTP_ACCEPT']), "VND.WAP.WML")) {
+        } elseif (isset($_SERVER['HTTP_ACCEPT']) && strpos(strtoupper($_SERVER['HTTP_ACCEPT']), "VND.WAP.WML")) {
             return true;
         } elseif (isset($_SERVER['HTTP_X_WAP_PROFILE']) || isset($_SERVER['HTTP_PROFILE'])) {
             return true;