From ebb220f1cb0d21f4a643e823cd581e6040af4b12 Mon Sep 17 00:00:00 2001
From: thinkphp <thinkphp@qq.com>
Date: Wed, 5 Dec 2018 12:07:07 +0800
Subject: [PATCH] =?UTF-8?q?=E6=94=B9=E8=BF=9B=E8=81=9A=E5=90=88=E6=9F=A5?=
 =?UTF-8?q?=E8=AF=A2=E6=96=B9=E6=B3=95=E7=9A=84=E6=AD=A3=E5=88=99=E5=88=A4?=
 =?UTF-8?q?=E6=96=AD?=
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---
 library/think/db/Query.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/think/db/Query.php b/library/think/db/Query.php
index 42b1c120..75086bc6 100644
--- a/library/think/db/Query.php
+++ b/library/think/db/Query.php
@@ -569,7 +569,7 @@ class Query
             list($distinct, $field) = explode(' ', $field);
         }
 
-        if (!preg_match('/^[\w\.\*]+$/', $field)) {
+        if (!preg_match('/^[\w\.\+\-\*]+$/', $field)) {
             throw new Exception('not support data:' . $field);
         }