From ba6c3040e3e7204160ac3c6b674bbbd3671f881d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=A3=8E=E6=89=87=E6=BB=91=E7=BF=94=E7=BF=BC?=
 <Fangliding.fshxy@outlook.com>
Date: Fri, 25 Jul 2025 01:56:27 +0800
Subject: [PATCH] Update system_dialer.go

---
 transport/internet/system_dialer.go | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/transport/internet/system_dialer.go b/transport/internet/system_dialer.go
index 28a81491..674741d0 100644
--- a/transport/internet/system_dialer.go
+++ b/transport/internet/system_dialer.go
@@ -3,6 +3,7 @@ package internet
 import (
 	"context"
 	"math/rand"
+	gonet "net"
 	"syscall"
 	"time"
 
@@ -87,10 +88,17 @@ func (d *DefaultSystemDialer) Dial(ctx context.Context, src net.Address, dest ne
 			Dest: destAddr,
 		}, nil
 	}
+	// Chrome defaults
+	keepAliveConfig := gonet.KeepAliveConfig{
+		Enable:   true,
+		Idle:     45 * time.Second,
+		Interval: 45 * time.Second,
+		Count:    -1,
+	}
 	dialer := &net.Dialer{
-		Timeout:   time.Second * 16,
-		LocalAddr: resolveSrcAddr(dest.Network, src),
-		KeepAlive: time.Duration(-1),
+		Timeout:         time.Second * 16,
+		LocalAddr:       resolveSrcAddr(dest.Network, src),
+		KeepAliveConfig: keepAliveConfig,
 	}
 
 	if sockopt != nil || len(d.controllers) > 0 {