From 75d28d06170ce71257e0e53f830f5acf2fd7cefa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mr=C2=B7x?= <as2252258@163.com>
Date: Mon, 14 Sep 2020 02:49:07 +0800
Subject: [PATCH] =?UTF-8?q?=E6=94=B9=E5=90=8D?=
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---
 System/Snowflake.php | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/System/Snowflake.php b/System/Snowflake.php
index fe93510e..8847c8b0 100644
--- a/System/Snowflake.php
+++ b/System/Snowflake.php
@@ -197,12 +197,16 @@ class Snowflake
 
 
 	/**
-	 * @return Server|\Swoole\Http\Server
+	 * @return Server|null
 	 * @throws
 	 */
 	public static function getWebSocket()
 	{
-		return static::app()->get('server')->getServer();
+		$server = static::app()->get('server')->getServer();
+		if (!($server instanceof Server)) {
+			return null;
+		}
+		return $server;
 	}