diff --git a/serv.go b/serv.go
index 20c96ea..35939b8 100644
--- a/serv.go
+++ b/serv.go
@@ -6,6 +6,7 @@ import (
 	"net/http"
 	"os"
 	"os/signal"
+	"strings"
 	"syscall"
 	"time"
 
@@ -33,7 +34,6 @@ const (
 
 var (
 	newline          = []byte{'\n'}
-	space            = []byte{' '}
 	addr             = flag.String("addr", ":9000", "http service address")
 	bootstrapServers = flag.String("bootstrap-servers", "localhost:9092", "kafka bootstrap servers")
 	partition        = flag.Int("partition", 0, "kafka tipic partion")
@@ -76,21 +76,17 @@ func (c *Client) readPump(topic string) {
 	log.WithFields(log.Fields{
 		"topic":             topic,
 		"bootstrap servers": *bootstrapServers,
+		"partition":         partition,
 		"group":             group}).Info("create kafka client")
 
-	// consumer, err := kafka.NewConsumer(&kafka.ConfigMap{
-	// 	"bootstrap.servers":  *bootstrapServers,
-	// 	"group.id":           group,
-	// 	"session.timeout.ms": 6000,
-	// 	"auto.offset.reset":  "latest"})
 	reader := kafka.NewReader(kafka.ReaderConfig{
-		Brokers:   []string{*bootstrapServers},
+		Brokers:   strings.Split(*bootstrapServers, ","),
 		Topic:     topic,
-		Partition: 0,
+		Partition: *partition,
 		MinBytes:  10e1,
 		MaxBytes:  10e6, // 10MB
 	})
-	reader.SetOffset(-1) //lastoffset
+	reader.SetOffset(-1) //latest offset
 
 	log.WithFields(log.Fields{
 		"reader": reader,