From 18b8620872986ce35f021919ab9228f91c13fe62 Mon Sep 17 00:00:00 2001
From: XinRoom <32238570+XinRoom@users.noreply.github.com>
Date: Thu, 2 Mar 2023 12:27:38 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E9=9D=9Ewindows=E7=8E=AF=E5=A2=83?=
 =?UTF-8?q?=E4=B8=8B=E7=BB=8F=E5=B8=B8=E6=89=BE=E4=B8=8D=E5=88=B0=E8=B7=AF?=
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---
 core/port/syn/device.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/port/syn/device.go b/core/port/syn/device.go
index 69b2d93..a539ae2 100644
--- a/core/port/syn/device.go
+++ b/core/port/syn/device.go
@@ -84,7 +84,7 @@ func GetRouterV4(dst net.IP) (srcIp net.IP, srcMac net.HardwareAddr, gw net.IP,
 				}
 			}
 		}
-		if err != nil {
+		if err != nil || srcMac == nil {
 			// 取第一个默认路由
 			gw, err = gateway.DiscoverGateway()
 			if err == nil {