From 124697a1ccdb57b15f9f2a854b7c321ca9d0203b Mon Sep 17 00:00:00 2001
From: huangdijia <huangdijia@gmail.com>
Date: Fri, 26 Feb 2016 16:01:14 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E4=B8=80=E5=A4=84header?=
 =?UTF-8?q?=E5=88=A4=E6=96=ADbug?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 library/think/Response.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/think/Response.php b/library/think/Response.php
index 4f985948..aef1193d 100644
--- a/library/think/Response.php
+++ b/library/think/Response.php
@@ -43,7 +43,7 @@ class Response
             'text'   => 'text/plain',
         ];
 
-        if (!headers_sent() && isset($headers[$type])) {
+        if (!headers_sent() && !headers_list() && isset($headers[$type])) {
             header('Content-Type:' . $headers[$type] . '; charset=utf-8');
         }