From 20b5324815ce6f5282bf6373c6a9a0415946e5a0 Mon Sep 17 00:00:00 2001
From: thinkphp <thinkphp@qq.com>
Date: Mon, 29 Jan 2018 12:20:26 +0800
Subject: [PATCH] =?UTF-8?q?=E6=94=B9=E8=BF=9Bcase=E6=A0=87=E7=AD=BE?=
 =?UTF-8?q?=E8=A7=A3=E6=9E=90?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

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

diff --git a/library/think/template/taglib/Cx.php b/library/think/template/taglib/Cx.php
index af7a54c8..31e0698d 100644
--- a/library/think/template/taglib/Cx.php
+++ b/library/think/template/taglib/Cx.php
@@ -278,7 +278,7 @@ class Cx extends Taglib
      */
     public function tagCase($tag, $content)
     {
-        $value = !empty($tag['expression']) ? $tag['expression'] : $tag['value'];
+        $value = isset($tag['expression']) ? $tag['expression'] : $tag['value'];
         $flag  = substr($value, 0, 1);
         if ('$' == $flag || ':' == $flag) {
             $value = $this->autoBuildVar($value);