From 4c9cff1687183d7d115b981a92fcec6d39658d3d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mr=C2=B7x?= <as2252258@163.com>
Date: Wed, 23 Sep 2020 18:09:53 +0800
Subject: [PATCH] =?UTF-8?q?=E6=94=B9=E5=90=8D?=
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Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 System/Core/Str.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/System/Core/Str.php b/System/Core/Str.php
index a08052cd..6cd7933a 100644
--- a/System/Core/Str.php
+++ b/System/Core/Str.php
@@ -147,7 +147,7 @@ class Str
 	{
 		$res = [];
 		$add = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
-		$len = strlen($key) < 0 ? 1 : strlen($key) + 5 > strlen($add) ? strlen($add) - 5 : strlen($key);
+		$len = strlen($key) < 0 ? 1 : (strlen($key) + 5 > strlen($add) ? strlen($add) - 5 : strlen($key));
 		if ($number < 1) $number = 10;
 		$array = str_split($str);
 		asort($array);