From 2dbcff013d5d088a319cb3c04b9df372badd8597 Mon Sep 17 00:00:00 2001
From: "as2252258@163.com" <as22522582>
Date: Sat, 28 Aug 2021 02:40:44 +0800
Subject: [PATCH] 111

---
 http-server/Message/Message.php | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/http-server/Message/Message.php b/http-server/Message/Message.php
index 6f0244fd..37ff9e17 100644
--- a/http-server/Message/Message.php
+++ b/http-server/Message/Message.php
@@ -65,28 +65,28 @@ trait Message
 	}
 
 
-	/**
-	 * @return string
-	 */
-	#[Pure] public function getAccessControlAllowOrigin(): string
+    /**
+     * @return string|null
+     */
+	#[Pure] public function getAccessControlAllowOrigin(): ?string
 	{
 		return $this->getHeaderLine('Access-Control-Allow-Origin');
 	}
 
 
-	/**
-	 * @return string
-	 */
-	#[Pure] public function getAccessControlRequestHeaders(): string
+    /**
+     * @return string|null
+     */
+	#[Pure] public function getAccessControlRequestHeaders(): ?string
 	{
 		return $this->getHeaderLine('Access-Control-Request-Headers');
 	}
 
 
-	/**
-	 * @return string
-	 */
-	#[Pure] public function getAccessControlRequestMethod(): string
+    /**
+     * @return string|null
+     */
+	#[Pure] public function getAccessControlRequestMethod(): ?string
 	{
 		return $this->getHeaderLine('Access-Control-Request-Method');
 	}