From d49b986bb8ef2b5914e960a34de6eb680d33879c Mon Sep 17 00:00:00 2001
From: thinkphp <thinkphp@qq.com>
Date: Fri, 9 Dec 2016 14:43:04 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=AD=A3Relation=E4=B8=80=E5=A4=84use?=
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---
 library/think/model/Relation.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/library/think/model/Relation.php b/library/think/model/Relation.php
index 22223281..39d62871 100644
--- a/library/think/model/Relation.php
+++ b/library/think/model/Relation.php
@@ -12,6 +12,7 @@
 namespace think\model;
 
 use think\db\Query;
+use think\Exception;
 
 abstract class Relation
 {