diff --git a/internal/streamingnode/server/wal/adaptor/scanner_adaptor.go b/internal/streamingnode/server/wal/adaptor/scanner_adaptor.go
index 8f17d68773d74..6e293353c40e4 100644
--- a/internal/streamingnode/server/wal/adaptor/scanner_adaptor.go
+++ b/internal/streamingnode/server/wal/adaptor/scanner_adaptor.go
@@ -114,7 +114,7 @@ func (s *scannerAdaptorImpl) executeConsume() {
 			Message:      s.pendingQueue.Next(),
 		})
 		if handleResult.Error != nil {
-			s.Finish(err)
+			s.Finish(handleResult.Error)
 			return
 		}
 		if handleResult.MessageHandled {
diff --git a/pkg/streaming/walimpls/impls/kafka/builder.go b/pkg/streaming/walimpls/impls/kafka/builder.go
index 3c90e2865e646..5c2cba15cd476 100644
--- a/pkg/streaming/walimpls/impls/kafka/builder.go
+++ b/pkg/streaming/walimpls/impls/kafka/builder.go
@@ -30,7 +30,7 @@ func (b *builderImpl) Name() string {
 
 // Build build a wal instance.
 func (b *builderImpl) Build() (walimpls.OpenerImpls, error) {
-	producerConfig, consumerConfig := b.getProducerAndConsumerConfig()
+	producerConfig, consumerConfig := b.getProducerConfig(), b.getConsumerConfig()
 
 	p, err := kafka.NewProducer(&producerConfig)
 	if err != nil {
@@ -40,10 +40,9 @@ func (b *builderImpl) Build() (walimpls.OpenerImpls, error) {
 }
 
 // getProducerAndConsumerConfig returns the producer and consumer config.
-func (b *builderImpl) getProducerAndConsumerConfig() (producerConfig kafka.ConfigMap, consumerConfig kafka.ConfigMap) {
+func (b *builderImpl) getProducerConfig() kafka.ConfigMap {
 	config := &paramtable.Get().KafkaCfg
-	producerConfig = getBasicConfig(config)
-	consumerConfig = cloneKafkaConfig(producerConfig)
+	producerConfig := getBasicConfig(config)
 
 	producerConfig.SetKey("message.max.bytes", 10485760)
 	producerConfig.SetKey("compression.codec", "zstd")
@@ -52,13 +51,17 @@ func (b *builderImpl) getProducerAndConsumerConfig() (producerConfig kafka.Confi
 	for k, v := range config.ProducerExtraConfig.GetValue() {
 		producerConfig.SetKey(k, v)
 	}
+	return producerConfig
+}
 
+func (b *builderImpl) getConsumerConfig() kafka.ConfigMap {
+	config := &paramtable.Get().KafkaCfg
+	consumerConfig := getBasicConfig(config)
 	consumerConfig.SetKey("allow.auto.create.topics", true)
 	for k, v := range config.ConsumerExtraConfig.GetValue() {
 		consumerConfig.SetKey(k, v)
 	}
-
-	return producerConfig, consumerConfig
+	return consumerConfig
 }
 
 // getBasicConfig returns the basic kafka config.
diff --git a/pkg/streaming/walimpls/impls/kafka/opener.go b/pkg/streaming/walimpls/impls/kafka/opener.go
index d07e2e696c7ca..4f2464c37008a 100644
--- a/pkg/streaming/walimpls/impls/kafka/opener.go
+++ b/pkg/streaming/walimpls/impls/kafka/opener.go
@@ -60,7 +60,7 @@ func (o *openerImpl) execute() {
 				}
 			default:
 				// ignore other events
-				log.Info("kafka producer incoming non-message, non-error event", zap.String("event", ev.String()))
+				log.Debug("kafka producer incoming non-message, non-error event", zap.String("event", ev.String()))
 			}
 		}
 	}
diff --git a/pkg/streaming/walimpls/impls/kafka/wal.go b/pkg/streaming/walimpls/impls/kafka/wal.go
index 6994e0e818afd..63d0bcb492044 100644
--- a/pkg/streaming/walimpls/impls/kafka/wal.go
+++ b/pkg/streaming/walimpls/impls/kafka/wal.go
@@ -59,8 +59,6 @@ func (w *walImpl) Read(ctx context.Context, opt walimpls.ReadOption) (s walimpls
 	// and there's no commit opeartions.
 	consumerConfig := cloneKafkaConfig(w.consumerConfig)
 	consumerConfig.SetKey("group.id", opt.Name)
-	switch opt.DeliverPolicy.GetPolicy().(type) {
-	}
 	c, err := kafka.NewConsumer(&consumerConfig)
 	if err != nil {
 		return nil, errors.Wrap(err, "failed to create kafka consumer")