From c654eab7e9db84df3fc4bb7bb3c9f3cbfa0fca53 Mon Sep 17 00:00:00 2001
From: thinkphp <thinkphp@qq.com>
Date: Wed, 22 Jun 2016 16:23:23 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=AD=A3Request=E7=B1=BB=E7=9A=84inpu?=
 =?UTF-8?q?t=E6=96=B9=E6=B3=95?=
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---
 library/think/Request.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/think/Request.php b/library/think/Request.php
index b41b135a..f72d6bb5 100644
--- a/library/think/Request.php
+++ b/library/think/Request.php
@@ -984,7 +984,7 @@ class Request
                         $value = $default;
                         break;
                     }
-                } else {
+                } elseif (!empty($filter)) {
                     // filter函数不存在时, 则使用filter_var进行过滤
                     // filter为非整形值时, 调用filter_id取得过滤id
                     $value = filter_var($value, is_int($filter) ? $filter : filter_id($filter));