diff --git a/collector.go b/collector.go
index 07edbe0..fbbbb12 100644
--- a/collector.go
+++ b/collector.go
@@ -63,29 +63,29 @@ func (c *Collector) stop() {
 }
 
 func (c *Collector) collect(id string) {
+	go func() {
+		conf := c.cm.GetSensorById(id)
+		log.Printf("COLLECT %s - [ID: %s] [Crawler : %s]", time.Now(), conf.Id, conf.Crawler.Name)
+		conn, err := crm.GetInstance().GetClient(conf.Crawler.Container)
+		if err != nil {
+			log.Println(err)
+		}
+		defer conn.Close()
 
-	conf := c.cm.GetSensorById(id)
-	log.Printf("COLLECT %s - [ID: %s] [Crawler : %s]", time.Now(), conf.Id, conf.Crawler.Name)
-	conn, err := crm.GetInstance().GetClient(conf.Crawler.Container)
-	if err != nil {
-		log.Println(err)
-	}
-	defer conn.Close()
+		dc := grpc.NewDataClient(conn)
+		in := &grpc.Input{}
 
-	dc := grpc.NewDataClient(conn)
-	in := &grpc.Input{}
+		in.Id = id
+		in.Name = grpc.Crawlers(grpc.Crawlers_value[conf.Crawler.Name])
 
-	in.Id = id
-	in.Name = grpc.Crawlers(grpc.Crawlers_value[conf.Crawler.Name])
-
-	out, err := dc.Get(context.Background(), in)
-
-	if err != nil {
-		log.Println(err)
-	}
-	log.Println("collector get result : ", out)
-	c.dataCh <- out
+		out, err := dc.Get(context.Background(), in)
 
+		if err != nil {
+			log.Println(err)
+		}
+		log.Println("collector get result : ", out)
+		c.dataCh <- out
+	}()
 }
 
 func (c *Collector) addSensor(sensorId string) error {