add clear

2020-11-13 16:04:27 +08:00
parent dc887b81e3
commit 774b16e372
1 changed files with 1 additions and 1 deletions
@@ -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;