From 614a6d88d447987900136612ea4690b81c09758e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=BA=90=E6=96=87=E9=9B=A8?=
 <41315874+fumiama@users.noreply.github.com>
Date: Mon, 6 Oct 2025 01:17:29 +0800
Subject: [PATCH] fix(dns): tls.Conn.Handshake panic

---
 dns/dns.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/dns/dns.go b/dns/dns.go
index d76e854..30daf8e 100644
--- a/dns/dns.go
+++ b/dns/dns.go
@@ -173,8 +173,10 @@ func (ds *DNSList) DialContext(ctx context.Context, dialer *net.Dialer, firstFra
 				defer cancel()
 			}
 			conn, err = dialer.DialContext(ctx, "tcp", addr.a)
-			if err != nil && !errors.Is(err, context.DeadlineExceeded) && !errors.Is(err, context.Canceled) {
-				addr.disable(time.Hour) // no need to acquire write lock
+			if err != nil {
+				if !errors.Is(err, context.DeadlineExceeded) && !errors.Is(err, context.Canceled) {
+					addr.disable(time.Hour) // no need to acquire write lock
+				}
 				continue
 			}
 			tlsConn = tls.Client(conn, &tls.Config{ServerName: host})