From 60d50d8ba58c8e8b8fbad6e75f9c6f85213657d0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mr=C2=B7x?= <as2252258@163.com>
Date: Tue, 31 Aug 2021 14:25:36 +0800
Subject: [PATCH] =?UTF-8?q?=E6=94=B9=E5=90=8D?=
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---
 http-server/Message/Stream.php | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/http-server/Message/Stream.php b/http-server/Message/Stream.php
index d0d05b33..c1ed7288 100644
--- a/http-server/Message/Stream.php
+++ b/http-server/Message/Stream.php
@@ -151,7 +151,6 @@ class Stream implements StreamInterface
 	}
 
 
-
 	/**
 	 * @return bool
 	 */
@@ -165,9 +164,12 @@ class Stream implements StreamInterface
 	 * @param int $length
 	 * @return string
 	 */
-	public function read($length): string
+	public function read($length = -1): string
 	{
-		return substr($this->body, 0, $length);
+		if ($length > 0) {
+			return substr($this->body, 0, $length);
+		}
+		return $this->body;
 	}