From 774b16e37224193afd6b462add90884cbb63c5c2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mr=C2=B7x?= <as2252258@163.com>
Date: Fri, 13 Nov 2020 16:04:27 +0800
Subject: [PATCH] add clear

---
 wchat/common/HttpClient.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wchat/common/HttpClient.php b/wchat/common/HttpClient.php
index 97bb601..7f78d56 100644
--- a/wchat/common/HttpClient.php
+++ b/wchat/common/HttpClient.php
@@ -33,7 +33,7 @@ class HttpClient
 
 	/** @var string $_message 错误信息 */
 	private string $_message = '';
-	private string $_data = '';
+	private ?string $_data = '';
 
 	private int $connect_timeout = 1;