From 30cc49abc71612ccc8bffba67c2332a44f34096a Mon Sep 17 00:00:00 2001
From: thinkphp <thinkphp@qq.com>
Date: Thu, 25 May 2017 11:04:37 +0800
Subject: [PATCH] =?UTF-8?q?=E8=B0=83=E6=95=B4=E6=A8=A1=E5=9E=8B=E7=9A=84sa?=
 =?UTF-8?q?ve=E6=96=B9=E6=B3=95before=5Fupdate=E6=A3=80=E6=9F=A5=E4=BD=8D?=
 =?UTF-8?q?=E7=BD=AE?=
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Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 library/think/Model.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/library/think/Model.php b/library/think/Model.php
index 55e7da8e..493d055a 100644
--- a/library/think/Model.php
+++ b/library/think/Model.php
@@ -958,14 +958,14 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
             // 自动更新
             $this->autoCompleteData($this->update);
 
-            // 获取有更新的数据
-            $data = $this->getChangedData();
-
             // 事件回调
             if (false === $this->trigger('before_update', $this)) {
                 return false;
             }
 
+            // 获取有更新的数据
+            $data = $this->getChangedData();
+
             if (empty($data) || (count($data) == 1 && is_string($pk) && isset($data[$pk]))) {
                 // 关联更新
                 if (isset($relation)) {