diff --git a/collector.go b/collector.go
index 0f0e105..36cc4ff 100644
--- a/collector.go
+++ b/collector.go
@@ -9,6 +9,7 @@ import (
 	"log"
 	"strconv"
 	"sync"
+	"time"
 )
 
 var (
@@ -76,11 +77,15 @@ func (c *Collector) collect(id string) {
 		in.Id = id
 		in.Name = grpc.Crawlers(grpc.Crawlers_value[conf.Crawler.Name])
 
+		startAt := time.Now().Unix()
 		out, err := dc.Get(context.Background(), in)
+		finishedAt := time.Now().Unix()
 		if err != nil {
 			log.Printf("Cannot collect [ID: %s] [Crawler : %s] - [Err : %s]\n", conf.Id, conf.Crawler.Name, err.Error())
 			return
 		}
+		out.StartDate = startAt
+		out.EndDate = finishedAt
 		log.Printf("COLLECTED. [ID: %s] [Crawler : %s] [Result : %s]\n", conf.Id, conf.Crawler.Name, out.GetData())
 		c.dataCh <- out
 	}()