From c7289e28b3ccd2efea141888f13665b75c5532f8 Mon Sep 17 00:00:00 2001
From: lin <465382251@qq.com>
Date: Tue, 4 Jun 2019 10:49:24 +0800
Subject: [PATCH] update empty

---
 src/Request.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Request.php b/src/Request.php
index a3e8374..9e970f5 100644
--- a/src/Request.php
+++ b/src/Request.php
@@ -79,8 +79,8 @@ protected function signature(){
         $param=$this->sort($param);
         
         $host_tmp=explode('https://', $this->host);
-        $temp=$this->type . "\n" . $host_tmp[1] . "\n" . $this->path . "\n" . implode('&', $param);
-        $signature=base64_encode(hash_hmac('sha256', $temp, $this->secret, true));
+        if(isset($host_tmp[1])) $temp=$this->type . "\n" . $host_tmp[1] . "\n" . $this->path . "\n" . implode('&', $param);
+        $signature=base64_encode(hash_hmac('sha256', $temp ?? '', $this->secret, true));
         
         $param[]="Signature=" . urlencode($signature);