From 5c1d516a65d56bf068d5f732278f75a0c4f2335b Mon Sep 17 00:00:00 2001
From: thinkphp <thinkphp@qq.com>
Date: Thu, 6 Jul 2017 23:23:06 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=AD=A3=E8=81=9A=E5=90=88=E6=9F=A5?=
 =?UTF-8?q?=E8=AF=A2=E8=BF=94=E5=9B=9Enull=E7=9A=84=E9=97=AE=E9=A2=98?=
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---
 library/think/db/Query.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/library/think/db/Query.php b/library/think/db/Query.php
index 6c10f236..f18f38bc 100644
--- a/library/think/db/Query.php
+++ b/library/think/db/Query.php
@@ -415,8 +415,9 @@ class Query
             }
             $result = $pdo->fetchColumn();
             if ($force) {
-                $result = is_numeric($result) ? $result + 0 : $result;
+                $result += 0;
             }
+
             if (isset($cache)) {
                 // 缓存数据
                 $this->cacheData($key, $result, $cache);