diff --git a/consumer/MessageReader.go b/consumer/MessageReader.go
index ff4e1e0..1401ab2 100644
--- a/consumer/MessageReader.go
+++ b/consumer/MessageReader.go
@@ -122,9 +122,8 @@ func (r *MessageReader) ShouldCommit(isContinuous bool) bool {
 			(r.finishedOffset-r.lastCommitOffset >= r.commitThreshold)
 	} else {
 		return (utils.CurrentTimeMills()-r.lastCommitTime >= r.commitInterval) &&
-			(r.finishedOffset-r.lastCommitOffset >= r.commitThreshold)
+			(r.finishedOffset > r.lastCommitOffset)
 	}
-
 }
 
 func (r *MessageReader) processFetchException(err error) {
diff --git a/example/talos_producer/TalosProducerDemo.go b/example/talos_producer/TalosProducerDemo.go
index 55c84b8..cf884eb 100644
--- a/example/talos_producer/TalosProducerDemo.go
+++ b/example/talos_producer/TalosProducerDemo.go
@@ -57,7 +57,7 @@ func main() {
 	   galaxy.talos.service.endpoint=$talosServiceURI
 	*/
 	var propertyFilename string
-	flag.StringVar(&propertyFilename, "conf", "talosProducer.conf", "conf: talosConsumer.conf'")
+	flag.StringVar(&propertyFilename, "conf", "talosProducer.conf", "conf: talosProducer.conf'")
 	flag.Parse()
 
 	var err error
diff --git a/producer/TalosProducer.go b/producer/TalosProducer.go
index ce02055..ae5ef7d 100644
--- a/producer/TalosProducer.go
+++ b/producer/TalosProducer.go
@@ -182,6 +182,47 @@ func NewDefaultTalosProducer(producerConfig *TalosProducerConfig, credential *au
 	return talosProducer, nil
 }
 
+func (p *TalosProducer) AddUserMessageWithTimeout(msgList []*message.Message, timeoutMillis int64) error {
+	p.producerLock.Lock()
+	defer p.producerLock.Unlock()
+
+	// check producer state
+	if !p.IsActive() {
+		return fmt.Errorf("Producer is not active, "+
+			"current state: %d ", p.producerState)
+	}
+
+	// check total buffered message number
+	startWaitTime := utils.CurrentTimeMills()
+	for p.bufferedCount.IsFull() {
+		log.Infof("too many buffered messages, globalLock is active."+
+			" message number: %d, message bytes: %d",
+			p.bufferedCount.GetBufferedMsgNumber(),
+			p.bufferedCount.GetBufferedMsgBytes())
+		p.producerLock.Unlock()
+		p.BufferFullChan <- utils.NOTIFY
+
+		// judging wait exit by 'timeout' or 'notify'
+		select {
+		case <-p.NotifyChan:
+			// if receive notify, just break wait and judge if should addMessage
+		case <-time.After(time.Duration(timeoutMillis) * time.Millisecond):
+			if utils.CurrentTimeMills()-startWaitTime >= timeoutMillis {
+				p.producerLock.Lock()
+				return fmt.Errorf("Producer buffer is full and AddUserMessage"+
+					" timeout by: %d millis. ", timeoutMillis)
+			}
+		}
+
+		p.producerLock.Lock()
+	}
+
+	if err := p.DoAddUserMessage(msgList); err != nil {
+		return err
+	}
+	return nil
+}
+
 func (p *TalosProducer) AddUserMessage(msgList []*message.Message) error {
 	p.producerLock.Lock()
 	defer p.producerLock.Unlock()