From 9bd9e9a58b65505edbf4aa1a929a4432e7b12d28 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=B8=96=E7=95=8C?= <i@sekai.icu>
Date: Fri, 27 Feb 2026 14:57:49 +0800
Subject: [PATCH] dialer: use KeepAliveConfig for TCP keepalive

---
 common/dialer/default.go | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/common/dialer/default.go b/common/dialer/default.go
index aee14e99..6b2379f4 100644
--- a/common/dialer/default.go
+++ b/common/dialer/default.go
@@ -158,8 +158,11 @@ func NewDefault(ctx context.Context, options option.DialerOptions) (*DefaultDial
 		if keepInterval == 0 {
 			keepInterval = C.TCPKeepAliveInterval
 		}
-		dialer.KeepAlive = keepIdle
-		dialer.Control = control.Append(dialer.Control, control.SetKeepAlivePeriod(keepIdle, keepInterval))
+		dialer.KeepAliveConfig = net.KeepAliveConfig{
+			Enable:   true,
+			Idle:     keepIdle,
+			Interval: keepInterval,
+		}
 	}
 	var udpFragment bool
 	if options.UDPFragment != nil {