From 13012a9f897adf8a7acc49c4b1f31e3fe629bc0b Mon Sep 17 00:00:00 2001
From: fishg <1423545+fishg@users.noreply.github.com>
Date: Sat, 2 Apr 2022 16:03:53 +0800
Subject: [PATCH] fix: dns over proxy may due to cancel request, but proxy live
 status is fine

---
 adapter/adapter.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/adapter/adapter.go b/adapter/adapter.go
index 23dc304a..f4087241 100644
--- a/adapter/adapter.go
+++ b/adapter/adapter.go
@@ -7,6 +7,7 @@ import (
 	"net"
 	"net/http"
 	"net/url"
+	"strings"
 	"time"
 
 	"github.com/Dreamacro/clash/common/queue"
@@ -37,7 +38,11 @@ func (p *Proxy) Dial(metadata *C.Metadata) (C.Conn, error) {
 // DialContext implements C.ProxyAdapter
 func (p *Proxy) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.Conn, error) {
 	conn, err := p.ProxyAdapter.DialContext(ctx, metadata, opts...)
-	p.alive.Store(err == nil)
+	wasCancel := false
+	if err != nil {
+		wasCancel = strings.Contains(err.Error(), "operation was canceled")
+	}
+	p.alive.Store(err == nil || wasCancel)
 	return conn, err
 }