diff --git a/app/main.go b/app/main.go
index d3f272d..69aaf34 100644
--- a/app/main.go
+++ b/app/main.go
@@ -21,7 +21,7 @@ func main() {
 	main.Use(tracer.NewTracer(tracer.Config{
 		AppName:   "test",
 		JaegerUrl: "http://localhost:4318/v1/traces",
-		GelfUrl:   "192.168.220.30:12001",
+		GelfUrl:   "192.168.220.30:12201",
 		Version:   "1",
 	}))
 	defer tracer.ShutdownTracer()
diff --git a/pkg/gelf_exporter/trace.go b/pkg/gelf_exporter/trace.go
index 1432b6d..34f5828 100644
--- a/pkg/gelf_exporter/trace.go
+++ b/pkg/gelf_exporter/trace.go
@@ -2,7 +2,7 @@ package gelfexporter
 
 import (
 	"context"
-	"fmt"
+	"maal/tracer/pkg/level"
 	"sync"
 	"time"
 
@@ -33,7 +33,6 @@ func New(options ...Option) (*Exporter, error) {
 
 }
 
-// Exporter is an implementation of trace.SpanSyncer that writes spans to stdout.
 type Exporter struct {
 	timestamps bool
 	gelfWriter *gelf.UDPWriter
@@ -42,7 +41,6 @@ type Exporter struct {
 	stopped   bool
 }
 
-// ExportSpans writes spans in json format to stdout.
 func (e *Exporter) ExportSpans(ctx context.Context, spans []trace.ReadOnlySpan) error {
 	if err := ctx.Err(); err != nil {
 		return err
@@ -72,11 +70,15 @@ func (e *Exporter) ExportSpans(ctx context.Context, spans []trace.ReadOnlySpan)
 			}
 		}
 
-		fmt.Printf("stub: %v\n", stub)
+		// fmt.Printf("stub: %v\n", stub)
 
 		Log(e.gelfWriter, GELFMessage{
 			Host:         "test",
-			ShortMessage: "test",
+			ShortMessage: stub.Name,
+			LongMessage:  "test",
+			Timestamp:    stub.StartTime,
+			Level:        level.DEBUG,
+			ExtraFields:  make(map[string]interface{}),
 		})
 
 	}