diff --git a/component/dialer/dialer.go b/component/dialer/dialer.go
index 985e2195..070d98b8 100644
--- a/component/dialer/dialer.go
+++ b/component/dialer/dialer.go
@@ -15,6 +15,11 @@ import (
 	"github.com/metacubex/mihomo/constant/features"
 )
 
+const (
+	DefaultTCPTimeout = 5 * time.Second
+	DefaultUDPTimeout = DefaultTCPTimeout
+)
+
 type dialFunc func(ctx context.Context, network string, ips []netip.Addr, port string, opt *option) (net.Conn, error)
 
 var (
diff --git a/component/dialer/tfo.go b/component/dialer/tfo.go
index 4863d6ae..950bdfe4 100644
--- a/component/dialer/tfo.go
+++ b/component/dialer/tfo.go
@@ -2,10 +2,11 @@ package dialer
 
 import (
 	"context"
-	"github.com/sagernet/tfo-go"
 	"io"
 	"net"
 	"time"
+
+	"github.com/sagernet/tfo-go"
 )
 
 type tfoConn struct {
@@ -66,14 +67,14 @@ func (c *tfoConn) Close() error {
 
 func (c *tfoConn) LocalAddr() net.Addr {
 	if c.Conn == nil {
-		return nil
+		return &net.TCPAddr{}
 	}
 	return c.Conn.LocalAddr()
 }
 
 func (c *tfoConn) RemoteAddr() net.Addr {
 	if c.Conn == nil {
-		return nil
+		return &net.TCPAddr{}
 	}
 	return c.Conn.RemoteAddr()
 }
@@ -123,7 +124,7 @@ func (c *tfoConn) WriterReplaceable() bool {
 }
 
 func dialTFO(ctx context.Context, netDialer net.Dialer, network, address string) (net.Conn, error) {
-	ctx, cancel := context.WithCancel(ctx)
+	ctx, cancel := context.WithTimeout(context.Background(), DefaultTCPTimeout)
 	dialer := tfo.Dialer{Dialer: netDialer, DisableTFO: false}
 	return &tfoConn{
 		dialed: make(chan bool, 1),
diff --git a/constant/adapters.go b/constant/adapters.go
index 9752de55..83c8223a 100644
--- a/constant/adapters.go
+++ b/constant/adapters.go
@@ -43,9 +43,9 @@ const (
 )
 
 const (
-	DefaultTCPTimeout = 5 * time.Second
+	DefaultTCPTimeout = dialer.DefaultTCPTimeout
+	DefaultUDPTimeout = dialer.DefaultUDPTimeout
 	DefaultDropTime   = 12 * DefaultTCPTimeout
-	DefaultUDPTimeout = DefaultTCPTimeout
 	DefaultTLSTimeout = DefaultTCPTimeout
 	DefaultTestURL    = "https://www.gstatic.com/generate_204"
 )