From 3f138c0395e88b107c1e3db229e350926530458f Mon Sep 17 00:00:00 2001
From: thinkphp <thinkphp@qq.com>
Date: Mon, 30 May 2016 18:16:53 +0800
Subject: [PATCH] =?UTF-8?q?=E6=94=B9=E8=BF=9BModel=E7=B1=BB=E7=9A=84=5F=5F?=
 =?UTF-8?q?isset=E6=96=B9=E6=B3=95?=
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---
 library/think/Model.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/think/Model.php b/library/think/Model.php
index 8ca196bb..759484a2 100644
--- a/library/think/Model.php
+++ b/library/think/Model.php
@@ -1175,7 +1175,7 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
      */
     public function __isset($name)
     {
-        if (isset($this->data[$name])) {
+        if (array_key_exists($name, $this->data)) {
             return true;
         } elseif ($this->__get($name)) {
             return true;