diff --git a/service/CrawlerService.go b/service/CrawlerService.go
index c76c9e9..63af3fb 100644
--- a/service/CrawlerService.go
+++ b/service/CrawlerService.go
@@ -7,6 +7,7 @@ import (
 
 	cda "git.loafle.net/commons_go/di/annotation"
 	cdr "git.loafle.net/commons_go/di/registry"
+	"git.loafle.net/commons_go/logging"
 	oocmci "git.loafle.net/overflow/overflow_commons_go/modules/commons/interfaces"
 	"git.loafle.net/overflow/overflow_probe_container/crawler"
 )
@@ -47,10 +48,13 @@ func (cs *CrawlerService) GetData(sensorConfigID string) (map[string]string, err
 		return nil, fmt.Errorf("There is no crawler[%s] for id[%s]", _crawlerName, sensorConfigID)
 	}
 
+	logging.Logger().Debugf("GetData invoked with sensor config[%s]", sensorConfigID)
+
 	result, err := _crawler.Get(sensorConfig)
 	if nil != err {
 		return nil, fmt.Errorf("Failed to get data from crawler[%s] for id[%s] %v", _crawlerName, sensorConfigID, err)
 	}
+	logging.Logger().Debugf("GetData success config[%v]", result)
 
 	return result, nil
 }
diff --git a/service/SensorConfigService.go b/service/SensorConfigService.go
index aba64c0..2637e63 100644
--- a/service/SensorConfigService.go
+++ b/service/SensorConfigService.go
@@ -7,6 +7,7 @@ import (
 
 	cda "git.loafle.net/commons_go/di/annotation"
 	cdr "git.loafle.net/commons_go/di/registry"
+	"git.loafle.net/commons_go/logging"
 	oocmci "git.loafle.net/overflow/overflow_commons_go/modules/commons/interfaces"
 	sensorConfigM "git.loafle.net/overflow/overflow_commons_go/modules/sensor_config/model"
 )
@@ -42,6 +43,8 @@ func (scs *SensorConfigService) Init(sensorConfigs []*sensorConfigM.SensorConfig
 		scs.sensorConfigs[sensorConfig.ID.String()] = sensorConfig
 	}
 
+	logging.Logger().Debugf("Sensor configs[%d] were added", len(sensorConfigs))
+
 	return nil
 }
 func (scs *SensorConfigService) AddConfig(sensorConfig *sensorConfigM.SensorConfig) error {
@@ -54,6 +57,9 @@ func (scs *SensorConfigService) AddConfig(sensorConfig *sensorConfigM.SensorConf
 		return fmt.Errorf("Sensor config[%s] is exist already", sensorConfigID)
 	}
 	scs.sensorConfigs[sensorConfigID] = sensorConfig
+
+	logging.Logger().Debugf("Sensor config[%d] was added", sensorConfigID)
+
 	return nil
 }
 func (scs *SensorConfigService) UpdateConfig(sensorConfig *sensorConfigM.SensorConfig) error {
@@ -68,6 +74,8 @@ func (scs *SensorConfigService) UpdateConfig(sensorConfig *sensorConfigM.SensorC
 	delete(scs.sensorConfigs, sensorConfigID)
 	scs.sensorConfigs[sensorConfigID] = sensorConfig
 
+	logging.Logger().Debugf("Sensor config[%d] was updated", sensorConfigID)
+
 	return nil
 }
 func (scs *SensorConfigService) RemoveConfig(sensorConfigID string) error {
@@ -76,5 +84,6 @@ func (scs *SensorConfigService) RemoveConfig(sensorConfigID string) error {
 	}
 	delete(scs.sensorConfigs, sensorConfigID)
 
+	logging.Logger().Debugf("Sensor config[%d] was removed", sensorConfigID)
 	return nil
 }