diff --git a/service/SensorService.go b/service/SensorService.go
index 162a875..cd6adf0 100644
--- a/service/SensorService.go
+++ b/service/SensorService.go
@@ -54,24 +54,12 @@ func (s *SensorService) StopSensor(id int64) error {
 func (s *SensorService) AddSensor(sensorConfigBase64 string) error {
 
 	// base64 decode
-
-	//ddd := []byte(sensorConfigBase64)
-	//ff := make([]byte,len(ddd))
-
-	//fmt.Println(ddd)
-
 	bufByte, err := base64.StdEncoding.DecodeString(sensorConfigBase64)
-	//bufByte := base64.NewDecoder(base64.StdEncoding, bytes.NewBufferString(sensorConfigBase64))
-	//bufByte, err := b64.RawStdEncoding.DecodeString(sensorConfigBase64)
-
-	//n, err := b64.StdEncoding.Decode(ff, ddd)
-	//fmt.Println(n)
 
 	if nil == bufByte || nil != err {
 		return err
 	}
 
-	//b, _ := ioutil.ReadAll(bufByte)
 	s.SensorConfigService.AddConfig(string(bufByte))
 
 	return nil