From c331ee3d5cdfdba94415864e6418b1c1c0192f91 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=B8=96=E7=95=8C?= <i@sekai.icu>
Date: Wed, 10 Sep 2025 17:40:01 +0800
Subject: [PATCH] Fix timeout check

---
 dns/transport/https.go | 3 +--
 route/route.go         | 3 +--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/dns/transport/https.go b/dns/transport/https.go
index f02fd330..7d56f45e 100644
--- a/dns/transport/https.go
+++ b/dns/transport/https.go
@@ -8,7 +8,6 @@ import (
 	"net"
 	"net/http"
 	"net/url"
-	"os"
 	"strconv"
 	"sync"
 	"time"
@@ -178,7 +177,7 @@ func (t *HTTPSTransport) Exchange(ctx context.Context, message *mDNS.Msg) (*mDNS
 	startAt := time.Now()
 	response, err := t.exchange(ctx, message)
 	if err != nil {
-		if errors.Is(err, os.ErrDeadlineExceeded) {
+		if errors.Is(err, context.DeadlineExceeded) {
 			t.transportAccess.Lock()
 			defer t.transportAccess.Unlock()
 			if t.transportResetAt.After(startAt) {
diff --git a/route/route.go b/route/route.go
index ef30a0b1..0213f354 100644
--- a/route/route.go
+++ b/route/route.go
@@ -5,7 +5,6 @@ import (
 	"errors"
 	"net"
 	"net/netip"
-	"os"
 	"strings"
 	"time"
 
@@ -628,7 +627,7 @@ func (r *Router) actionSniff(
 			}
 			if err != nil {
 				sniffBuffer.Release()
-				if !errors.Is(err, os.ErrDeadlineExceeded) {
+				if !errors.Is(err, context.DeadlineExceeded) {
 					fatalErr = err
 					return
 				}