diff --git a/ap.go b/ap.go
index 745f87f..cbb9c3d 100644
--- a/ap.go
+++ b/ap.go
@@ -71,7 +71,7 @@ func (s *accessPoint) SetDataTag(tag frame.Tag) {
 // Close will close the connection to MessageQueue.
 func (s *accessPoint) Close() error {
 	if err := s.client.Close(); err != nil {
-		log.Errorf("%sClose(): %v", apLogPrefix, err)
+		log.Errorf("%s Close(): %v", apLogPrefix, err)
 		return err
 	}
 	log.Debugf("%s is closed", apLogPrefix)
@@ -89,7 +89,7 @@ func (s *accessPoint) Connect() error {
 
 	err := s.client.Connect(context.Background(), s.mqEndpoint)
 	if err != nil {
-		log.Errorf("%sConnect() error: %s", apLogPrefix, err)
+		log.Errorf("%s Connect() error: %s", apLogPrefix, err)
 	}
 	return err
 }
@@ -99,7 +99,7 @@ func (s *accessPoint) WriteWithTag(tag frame.Tag, data []byte) error {
 	f := frame.NewDataFrame()
 	f.SetCarriage(tag, data)
 	f.SetSourceId(s.client.ClientId())
-	log.Debugf("%sWriteWithTag: tid=%s, source_id=%s, data[%d]=%# x",
+	log.Debugf("%s WriteWithTag: tid=%s, source_id=%s, data[%d]=%# x",
 		apLogPrefix, f.TransactionId(), f.SourceId(), len(data), frame.Shortly(data))
 	return s.client.WriteFrame(f)
 }
@@ -112,7 +112,7 @@ func (s *accessPoint) SetErrorHandler(fn func(err error)) {
 // SetReceiveHandler [Experimental] set to observe handler function
 func (s *accessPoint) SetReceiveHandler(fn func(frame.Tag, []byte)) {
 	s.fn = fn
-	log.Debugf("%sSetReceiveHandler(%v)", apLogPrefix, s.fn)
+	log.Debugf("%s SetReceiveHandler(%v)", apLogPrefix, s.fn)
 }
 
 // Broadcast Write the data to all downstream
diff --git a/go.mod b/go.mod
index 39a8d1c..c8ace77 100644
--- a/go.mod
+++ b/go.mod
@@ -3,8 +3,9 @@ module git.hpds.cc/pavement/hpds_node
 go 1.19
 
 require (
-	git.hpds.cc/Component/network v0.0.0-20230405091029-b109c53056fb
+	git.hpds.cc/Component/network v0.0.0-20230405125523-abb93c020ff5
 	github.com/disintegration/imaging v1.6.2
+	github.com/quic-go/quic-go v0.33.0
 	github.com/stretchr/testify v1.8.0
 	github.com/u2takey/ffmpeg-go v0.4.1
 	gopkg.in/yaml.v3 v3.0.1
@@ -24,7 +25,6 @@ require (
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/quic-go/qtls-go1-19 v0.2.1 // indirect
 	github.com/quic-go/qtls-go1-20 v0.1.1 // indirect
-	github.com/quic-go/quic-go v0.33.0 // indirect
 	github.com/rogpeppe/go-internal v1.9.0 // indirect
 	github.com/u2takey/go-utils v0.3.1 // indirect
 	go.uber.org/atomic v1.7.0 // indirect
diff --git a/mq_notwindows.go b/mq_notwindows.go
index 4f1be1c..ad05fd6 100644
--- a/mq_notwindows.go
+++ b/mq_notwindows.go
@@ -21,11 +21,11 @@ func (z *messageQueue) init() {
 	go func() {
 		c := make(chan os.Signal, 1)
 		signal.Notify(c, syscall.SIGTERM, syscall.SIGUSR2, syscall.SIGUSR1, syscall.SIGINT)
-		log.Printf("%sListening SIGUSR1, SIGUSR2, SIGTERM/SIGINT...", mqLogPrefix)
+		log.Infof("%sListening SIGUSR1, SIGUSR2, SIGTERM/SIGINT...", mqLogPrefix)
 		for p1 := range c {
-			log.Printf("Received signal: %s", p1)
+			log.Infof("Received signal: %s", p1)
 			if p1 == syscall.SIGTERM || p1 == syscall.SIGINT {
-				log.Printf("graceful shutting down ... %s", p1)
+				log.Infof("graceful shutting down ... %s", p1)
 				_ = z.Close()
 				os.Exit(0)
 			} else if p1 == syscall.SIGUSR2 {
@@ -33,7 +33,7 @@ func (z *messageQueue) init() {
 				runtime.ReadMemStats(&m)
 				fmt.Printf("\tNumGC = %v\n", m.NumGC)
 			} else if p1 == syscall.SIGUSR1 {
-				log.Printf("print MessageQueue stats(): %d", z.Stats())
+				log.Infof("print MessageQueue stats(): %d", z.Stats())
 			}
 		}
 	}()
diff --git a/mq_windows.go b/mq_windows.go
index 171de41..83c136d 100644
--- a/mq_windows.go
+++ b/mq_windows.go
@@ -13,11 +13,11 @@ func (z *messageQueue) init() {
 	go func() {
 		c := make(chan os.Signal, 1)
 		signal.Notify(c, syscall.SIGTERM, syscall.SIGINT)
-		log.Printf("%sListening SIGTERM/SIGINT...", mqLogPrefix)
+		log.Infof("%s Listening SIGTERM/SIGINT...", mqLogPrefix)
 		for p1 := range c {
 			log.Printf("Received signal: %s", p1)
 			if p1 == syscall.SIGTERM || p1 == syscall.SIGINT {
-				log.Printf("graceful shutting down ... %s", p1)
+				log.Infof("%s graceful shutting down ... %s", mqLogPrefix, p1)
 				os.Exit(0)
 			}
 		}
diff --git a/stream_func.go b/stream_func.go
index 643fac1..ced3458 100644
--- a/stream_func.go
+++ b/stream_func.go
@@ -61,22 +61,19 @@ type streamFunction struct {
 // Deprecated: use hpds.WithObserveDataTags instead
 func (s *streamFunction) SetObserveDataTags(tag ...frame.Tag) {
 	s.client.SetObserveDataTags(tag...)
-	//co := network.WithObserveDataTags(tag...)
-	//s.client.
-	//s.client.SetObserveDataTags(tag...)
-	s.client.Logger().Debugf("%sSetObserveDataTag(%v)", streamFunctionLogPrefix, s.observeDataTags)
+	s.client.Logger().Debugf("%s SetObserveDataTag(%v)", streamFunctionLogPrefix, s.observeDataTags)
 }
 
 // SetHandler set the handler function, which accept the raw bytes data and return the tag & response.
 func (s *streamFunction) SetHandler(fn network.AsyncHandler) error {
 	s.fn = fn
-	s.client.Logger().Debugf("%sSetHandler(%v)", streamFunctionLogPrefix, s.fn)
+	s.client.Logger().Debugf("%s SetHandler(%v)", streamFunctionLogPrefix, s.fn)
 	return nil
 }
 
 func (s *streamFunction) SetPipeHandler(fn network.PipeHandler) error {
 	s.pfn = fn
-	s.client.Logger().Debugf("%sSetHandler(%v)", streamFunctionLogPrefix, s.fn)
+	s.client.Logger().Debugf("%s SetHandler(%v)", streamFunctionLogPrefix, s.fn)
 	return nil
 }
 
@@ -86,7 +83,7 @@ func (s *streamFunction) Connect() error {
 	s.client.Logger().Debugf("%s Connect()", streamFunctionLogPrefix)
 	// notify underlying network operations, when data with tag we observed arrived, invoke the func
 	s.client.SetDataFrameObserver(func(data *frame.DataFrame) {
-		s.client.Logger().Debugf("%sreceive DataFrame, tag=%# x, carriage=%# x", streamFunctionLogPrefix, data.Tag(), data.GetCarriage())
+		s.client.Logger().Debugf("%s receive DataFrame, tag=%# x, carriage=%# x", streamFunctionLogPrefix, data.Tag(), data.GetCarriage())
 		s.onDataFrame(data.GetCarriage(), data.GetMetaFrame())
 	})
 
@@ -104,7 +101,7 @@ func (s *streamFunction) Connect() error {
 			for {
 				data := <-s.pOut
 				if data != nil {
-					s.client.Logger().Debugf("%spipe fn send: tag=%#x, data=%# x", streamFunctionLogPrefix, data.Tag, data.Carriage)
+					s.client.Logger().Debugf("%s pipe fn send: tag=%#x, data=%# x", streamFunctionLogPrefix, data.Tag, data.Carriage)
 					frm := frame.NewDataFrame()
 					// todo: frm.SetTransactionId
 					frm.SetCarriage(data.Tag, data.Carriage)
@@ -116,7 +113,7 @@ func (s *streamFunction) Connect() error {
 
 	err := s.client.Connect(context.Background(), s.emitterEndpoint)
 	if err != nil {
-		s.client.Logger().Errorf("%sConnect() error: %s", streamFunctionLogPrefix, err)
+		s.client.Logger().Errorf("%s Connect() error: %s", streamFunctionLogPrefix, err)
 	}
 	return err
 }
@@ -133,7 +130,7 @@ func (s *streamFunction) Close() error {
 
 	if s.client != nil {
 		if err := s.client.Close(); err != nil {
-			s.client.Logger().Errorf("%sClose(): %v", err)
+			s.client.Logger().Errorf("%s Close(): %v", err)
 			return err
 		}
 	}
@@ -143,17 +140,17 @@ func (s *streamFunction) Close() error {
 
 // when DataFrame we observed arrived, invoke the user's function
 func (s *streamFunction) onDataFrame(data []byte, metaFrame *frame.MetaFrame) {
-	s.client.Logger().Infof("%sonDataFrame ->[%s]", streamFunctionLogPrefix, s.name)
+	s.client.Logger().Infof("%s onDataFrame ->[%s]", streamFunctionLogPrefix, s.name)
 
 	if s.fn != nil {
 		go func() {
-			s.client.Logger().Debugf("%sexecute-start fn: data[%d]=%# x", streamFunctionLogPrefix, len(data), frame.Shortly(data))
+			s.client.Logger().Debugf("%s execute-start fn: data[%d]=%# x", streamFunctionLogPrefix, len(data), frame.Shortly(data))
 			// invoke serverless
 			tag, resp := s.fn(data)
-			s.client.Logger().Debugf("%sexecute-done fn: tag=%#x, resp[%d]=%# x", streamFunctionLogPrefix, tag, len(resp), frame.Shortly(resp))
+			s.client.Logger().Debugf("%s execute-done fn: tag=%#x, resp[%d]=%# x", streamFunctionLogPrefix, tag, len(resp), frame.Shortly(resp))
 			// if resp is not nil, means the user's function has returned something, we should send it to the mq
 			if len(resp) != 0 {
-				s.client.Logger().Debugf("%sstart WriteFrame(): tag=%#x, data[%d]=%# x", streamFunctionLogPrefix, tag, len(resp), frame.Shortly(resp))
+				s.client.Logger().Debugf("%s start WriteFrame(): tag=%#x, data[%d]=%# x", streamFunctionLogPrefix, tag, len(resp), frame.Shortly(resp))
 				// build a DataFrame
 				// TODO: seems we should implement a DeepCopy() of MetaFrame in the future
 				frm := frame.NewDataFrame()
@@ -166,10 +163,10 @@ func (s *streamFunction) onDataFrame(data []byte, metaFrame *frame.MetaFrame) {
 			}
 		}()
 	} else if s.pfn != nil {
-		s.client.Logger().Debugf("%spipe fn receive: data[%d]=%# x", streamFunctionLogPrefix, len(data), data)
+		s.client.Logger().Debugf("%s pipe fn receive: data[%d]=%# x", streamFunctionLogPrefix, len(data), data)
 		s.pIn <- data
 	} else {
-		s.client.Logger().Warnf("%sStreamFunction is nil", streamFunctionLogPrefix)
+		s.client.Logger().Warnf("%s StreamFunction is nil", streamFunctionLogPrefix)
 	}
 }