From 04149e3ccede2c17236cacbe7a06682222d03905 Mon Sep 17 00:00:00 2001
From: thinkphp <thinkphp@qq.com>
Date: Sat, 22 Oct 2016 13:15:14 +0800
Subject: [PATCH] =?UTF-8?q?=E6=94=B9=E8=BF=9Bsession=E5=8A=A9=E6=89=8B?=
 =?UTF-8?q?=E5=87=BD=E6=95=B0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 helper.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/helper.php b/helper.php
index 6ab2cb34..bcb52ea3 100644
--- a/helper.php
+++ b/helper.php
@@ -298,7 +298,7 @@ if (!function_exists('session')) {
             Session::init($name);
         } elseif (is_null($name)) {
             // 清除
-            Session::clear($value);
+            Session::clear('' === $value ? null : $value);
         } elseif ('' === $value) {
             // 判断或获取
             return 0 === strpos($name, '?') ? Session::has(substr($name, 1), $prefix) : Session::get($name, $prefix);