From 62cb8165f3830718ade3fd526b94fdb9560ef363 Mon Sep 17 00:00:00 2001
From: thinkphp <thinkphp@qq.com>
Date: Fri, 2 Sep 2016 11:11:07 +0800
Subject: [PATCH] =?UTF-8?q?=E6=94=B9=E8=BF=9BModel=E7=B1=BB=E4=B8=80?=
 =?UTF-8?q?=E5=A4=84bug?=
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---
 library/think/Model.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/library/think/Model.php b/library/think/Model.php
index e5a107f8..02cb6854 100644
--- a/library/think/Model.php
+++ b/library/think/Model.php
@@ -629,6 +629,7 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
 
         // 检测字段
         if (!empty($this->field)) {
+            $this->db();
             foreach ($this->data as $key => $val) {
                 if (!in_array($key, $this->field)) {
                     unset($this->data[$key]);