diff --git a/transport/tuic/client.go b/transport/tuic/client.go
index 1ba97044..f4a00019 100644
--- a/transport/tuic/client.go
+++ b/transport/tuic/client.go
@@ -5,7 +5,6 @@ import (
 	"crypto/tls"
 	"io"
 	"net"
-	"os"
 	"runtime"
 	"sync"
 	"time"
@@ -184,8 +183,8 @@ func (c *Client) DialConn(ctx context.Context, destination M.Socksaddr) (net.Con
 		return nil, err
 	}
 	return &clientConn{
+		Stream:      stream,
 		parent:      conn,
-		stream:      stream,
 		destination: destination,
 	}, nil
 }
@@ -253,8 +252,8 @@ func (c *clientQUICConnection) closeWithError(err error) {
 }
 
 type clientConn struct {
+	quic.Stream
 	parent         *clientQUICConnection
-	stream         quic.Stream
 	destination    M.Socksaddr
 	requestWritten bool
 }
@@ -264,7 +263,7 @@ func (c *clientConn) NeedHandshake() bool {
 }
 
 func (c *clientConn) Read(b []byte) (n int, err error) {
-	n, err = c.stream.Read(b)
+	n, err = c.Stream.Read(b)
 	return n, baderror.WrapQUIC(err)
 }
 
@@ -279,7 +278,7 @@ func (c *clientConn) Write(b []byte) (n int, err error) {
 			return
 		}
 		request.Write(b)
-		_, err = c.stream.Write(request.Bytes())
+		_, err = c.Stream.Write(request.Bytes())
 		if err != nil {
 			c.parent.closeWithError(E.Cause(err, "create new connection"))
 			return 0, baderror.WrapQUIC(err)
@@ -287,17 +286,13 @@ func (c *clientConn) Write(b []byte) (n int, err error) {
 		c.requestWritten = true
 		return len(b), nil
 	}
-	n, err = c.stream.Write(b)
+	n, err = c.Stream.Write(b)
 	return n, baderror.WrapQUIC(err)
 }
 
 func (c *clientConn) Close() error {
-	stream := c.stream
-	if stream == nil {
-		return nil
-	}
-	stream.CancelRead(0)
-	return stream.Close()
+	c.Stream.CancelRead(0)
+	return c.Stream.Close()
 }
 
 func (c *clientConn) LocalAddr() net.Addr {
@@ -307,24 +302,3 @@ func (c *clientConn) LocalAddr() net.Addr {
 func (c *clientConn) RemoteAddr() net.Addr {
 	return c.destination
 }
-
-func (c *clientConn) SetDeadline(t time.Time) error {
-	if c.stream == nil {
-		return os.ErrInvalid
-	}
-	return c.stream.SetDeadline(t)
-}
-
-func (c *clientConn) SetReadDeadline(t time.Time) error {
-	if c.stream == nil {
-		return os.ErrInvalid
-	}
-	return c.stream.SetReadDeadline(t)
-}
-
-func (c *clientConn) SetWriteDeadline(t time.Time) error {
-	if c.stream == nil {
-		return os.ErrInvalid
-	}
-	return c.stream.SetWriteDeadline(t)
-}