diff --git a/shadow/client.go b/shadow/client.go
index 0b662c7..e4bb558 100644
--- a/shadow/client.go
+++ b/shadow/client.go
@@ -60,10 +60,10 @@ func handlerClient(conn net.Conn, serverAddress string, fakeAddressSNI string) {
 		fmt.Printf("[Client] Handshake error: %v\n", err)
 		return
 	}
-	dial.NetConn().SetDeadline(time.Now())
-	dial.NetConn().SetDeadline(time.Time{})
+	dial.GetUnderlyingConn().SetDeadline(time.Now())
+	dial.GetUnderlyingConn().SetDeadline(time.Time{})
 
-	p := &PackAppData{Conn: dial.NetConn()}
+	p := &PackAppData{Conn: dial.GetUnderlyingConn()}
 
 	defer p.Close()
 	defer conn.Close()