From f3a0c1f77ecab2d912a52d9322cf00c8aad61b4b Mon Sep 17 00:00:00 2001
From: thinkphp <thinkphp@qq.com>
Date: Fri, 8 Apr 2016 14:37:48 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=AD=A3Model=20=E4=BF=AE=E6=94=B9?=
 =?UTF-8?q?=E5=99=A8=E6=96=B9=E6=B3=95=E6=89=A7=E8=A1=8C=E5=A4=9A=E6=AC=A1?=
 =?UTF-8?q?=E7=9A=84=E9=97=AE=E9=A2=98?=
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---
 library/think/Model.php | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/library/think/Model.php b/library/think/Model.php
index 79e1a4ed..8e225e10 100644
--- a/library/think/Model.php
+++ b/library/think/Model.php
@@ -179,7 +179,7 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
         }
 
         // 标记字段更改
-        if (isset($this->data[$name]) && $this->data[$name] != $value && !in_array($name, $this->change)) {
+        if (!isset($this->data[$name]) || (isset($this->data[$name]) && $this->data[$name] != $value && !in_array($name, $this->change))) {
             $this->change[] = $name;
         }
         // 设置数据对象属性
@@ -360,8 +360,9 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
         }
         // 写入回调
         $this->trigger('after_write', $this);
-        // 清空
-        $this->isUpdate = null;
+
+        // 标记为更新
+        $this->isUpdate = true;
         return $result;
     }