From 4ec20e91297b50b68a4c6421b95784d6d903ea4b Mon Sep 17 00:00:00 2001
From: xqzr <34030394+xqzr@users.noreply.github.com>
Date: Fri, 25 Jul 2025 19:05:07 +0800
Subject: [PATCH] Update system_dialer.go

---
 transport/internet/system_dialer.go | 15 +--------------
 1 file changed, 1 insertion(+), 14 deletions(-)

diff --git a/transport/internet/system_dialer.go b/transport/internet/system_dialer.go
index 4945ff61..28a81491 100644
--- a/transport/internet/system_dialer.go
+++ b/transport/internet/system_dialer.go
@@ -3,7 +3,6 @@ package internet
 import (
 	"context"
 	"math/rand"
-	gonet "net"
 	"syscall"
 	"time"
 
@@ -88,22 +87,10 @@ func (d *DefaultSystemDialer) Dial(ctx context.Context, src net.Address, dest ne
 			Dest: destAddr,
 		}, nil
 	}
-	TCPKeepAlive := time.Duration(1)
-	TCPKeepAliveConfig := gonet.KeepAliveConfig {
-		Enable:   true,
-		Idle:     45 * time.Second,
-		Interval: 45 * time.Second,
-		Count:    -1,
-	}
-	if sockopt != nil && (sockopt.TcpKeepAliveInterval != 0 || sockopt.TcpKeepAliveIdle != 0) {
-		TCPKeepAlive = time.Duration(-1)
-		TCPKeepAliveConfig.Enable = false
-	}
 	dialer := &net.Dialer{
 		Timeout:   time.Second * 16,
 		LocalAddr: resolveSrcAddr(dest.Network, src),
-		KeepAlive: TCPKeepAlive,
-		KeepAliveConfig: TCPKeepAliveConfig,
+		KeepAlive: time.Duration(-1),
 	}
 
 	if sockopt != nil || len(d.controllers) > 0 {