diff --git a/service/CollectorService.go b/service/CollectorService.go
index 96a2534..8a9e6af 100644
--- a/service/CollectorService.go
+++ b/service/CollectorService.go
@@ -73,6 +73,7 @@ func (s *CollectorService) addScheduleAll() error {
 			return fmt.Errorf("Cannot convert interval[%s] %v", sensorConfig.Schedule.Interval, err)
 		}
 		s.addSchedule(interval, sensorConfig)
+		logging.Logger().Debugf("scheduler of config[%s] has been added", sensorConfig.ConfigID)
 	}
 
 	return nil