From 646ce83ece02f7dc5500d0e0f486e9ecc202327f Mon Sep 17 00:00:00 2001
From: thinkphp <thinkphp@qq.com>
Date: Sun, 24 Jul 2016 22:06:48 +0800
Subject: [PATCH] =?UTF-8?q?=E6=8E=A7=E5=88=B6=E5=99=A8=E7=B1=BB=E7=9A=84su?=
 =?UTF-8?q?ccess=E5=92=8Cerror=E6=96=B9=E6=B3=95url=E5=8F=82=E6=95=B0?=
 =?UTF-8?q?=E6=94=AF=E6=8C=81=E4=BC=A0=E5=85=A5=E7=A9=BA=E5=AD=97=E7=AC=A6?=
 =?UTF-8?q?=E4=B8=B2=EF=BC=8C=E5=88=99=E4=B8=8D=E5=81=9A=E4=BB=BB=E4=BD=95?=
 =?UTF-8?q?=E5=A4=84=E7=90=86?=
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---
 library/traits/controller/Jump.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/library/traits/controller/Jump.php b/library/traits/controller/Jump.php
index 38461b90..b8b2b573 100644
--- a/library/traits/controller/Jump.php
+++ b/library/traits/controller/Jump.php
@@ -42,7 +42,7 @@ trait Jump
         }
         if (is_null($url) && isset($_SERVER["HTTP_REFERER"])) {
             $url = $_SERVER["HTTP_REFERER"];
-        } else {
+        } elseif ('' !== $url) {
             $url = preg_match('/^(https?:|\/)/', $url) ? $url : Url::build($url);
         }
         $result = [
@@ -80,7 +80,7 @@ trait Jump
         }
         if (is_null($url)) {
             $url = 'javascript:history.back(-1);';
-        } else {
+        } elseif ('' !== $url) {
             $url = preg_match('/^(https?:|\/)/', $url) ? $url : Url::build($url);
         }
         $result = [