diff --git a/proxy/sensorItemMapping/sensorItemMapping_test.go b/proxy/sensorItemMapping/sensorItemMapping_test.go
index 9d6488b..4a95ae5 100644
--- a/proxy/sensorItemMapping/sensorItemMapping_test.go
+++ b/proxy/sensorItemMapping/sensorItemMapping_test.go
@@ -4,6 +4,9 @@ import (
 	"encoding/json"
 	"git.loafle.net/overflow/overflow_proxy_service/proxy/sensor"
 	"testing"
+	"fmt"
+	"sync"
+	"strconv"
 )
 
 func TestSensorItemMappingService_List(t *testing.T) {
@@ -15,3 +18,43 @@ func TestSensorItemMappingService_List(t *testing.T) {
 
 	t.Log(res)
 }
+
+
+func TestSensorItemMappingService_List_GoRutine(t *testing.T) {
+	//s := &sensor.Sensor{}
+	//s.Id = json.Number("14")
+
+	sims := NewSensorItemMappingService()
+
+	il := make([]int, 0)
+
+	il = append(il, 1)
+	il = append(il, 2)
+	il = append(il, 3)
+	il = append(il, 13)
+	il = append(il, 14)
+
+	for _, ii := range il {
+
+
+		go func(i int) {
+			s := &sensor.Sensor{}
+			s.Id = json.Number(strconv.Itoa(ii))
+			res, _ := sims.List(s)
+			fmt.Print(res)
+		}(ii)
+
+
+	}
+
+	wg := sync.WaitGroup{}
+
+	wg.Add(1)
+
+
+	wg.Wait()
+
+	//res, _ := sims.List(s)
+	//
+	//t.Log(res)
+}