diff --git a/service/CollectorService.go b/service/CollectorService.go
index 8a9e6af..f6bfa93 100644
--- a/service/CollectorService.go
+++ b/service/CollectorService.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"reflect"
 	"strconv"
+	"sync"
 	"time"
 
 	cda "git.loafle.net/commons/di-go/annotation"
@@ -28,11 +29,11 @@ type CollectorService struct {
 	ocsp.CollectorService
 	cda.TypeAnnotation `annotation:"@overflow:RPCService()"`
 
-	ProbeService        *ProbeService        `annotation:"@Inject()"`
-	CrawlerService      *CrawlerService      `annotation:"@Inject()"`
-	SensorConfigService *SensorConfigService `annotation:"@Inject()"`
+	ProbeService   *ProbeService   `annotation:"@Inject()"`
+	CrawlerService *CrawlerService `annotation:"@Inject()"`
 
-	scheduler *cuts.Scheduler
+	scheduler   *cuts.Scheduler
+	scheduleMap sync.Map
 }
 
 func (s *CollectorService) InitService() error {
@@ -47,9 +48,6 @@ func (s *CollectorService) StartService() error {
 		return err
 	}
 
-	if err := s.addScheduleAll(); nil != err {
-		return err
-	}
 	return nil
 }
 
@@ -61,8 +59,7 @@ func (s *CollectorService) DestroyService() {
 
 }
 
-func (s *CollectorService) addScheduleAll() error {
-	sensorConfigs := s.SensorConfigService.sensorConfigs
+func (s *CollectorService) AddSensorConfigs(sensorConfigs []*ocmsc.SensorConfig) error {
 	if nil == sensorConfigs || 0 == len(sensorConfigs) {
 		return nil
 	}
@@ -79,8 +76,25 @@ func (s *CollectorService) addScheduleAll() error {
 	return nil
 }
 
+func (s *CollectorService) RemoveSensorConfigs(sensorConfigs []*ocmsc.SensorConfig) error {
+	if nil == sensorConfigs || 0 == len(sensorConfigs) {
+		return nil
+	}
+
+	for _, sensorConfig := range sensorConfigs {
+		s.scheduleMap.Delete(sensorConfig.ConfigID)
+	}
+
+	return nil
+}
+
 func (s *CollectorService) addSchedule(interval int64, sensorConfig *ocmsc.SensorConfig) {
-	s.scheduler.RunEvery(time.Duration(interval)*time.Second, s.collectTask, sensorConfig)
+	scheduleID, err := s.scheduler.RunEvery(time.Duration(interval)*time.Second, s.collectTask, sensorConfig)
+	if nil != err {
+		logging.Logger().Errorf("Cannot add schedule for config[%s] %v", sensorConfig.ConfigID, err)
+		return
+	}
+	s.scheduleMap.Store(sensorConfig.ConfigID, scheduleID)
 }
 
 func (s *CollectorService) collectTask(sensorConfig *ocmsc.SensorConfig) {
diff --git a/service/SensorConfigService.go b/service/SensorConfigService.go
index 4a7ff69..70448ed 100644
--- a/service/SensorConfigService.go
+++ b/service/SensorConfigService.go
@@ -22,6 +22,8 @@ func init() {
 type SensorConfigService struct {
 	cda.TypeAnnotation `annotation:"@overflow:RPCService()"`
 
+	CollectorService *CollectorService `annotation:"@Inject()"`
+
 	sensorConfigs map[string]*ocmsc.SensorConfig
 }
 
@@ -53,6 +55,10 @@ func (s *SensorConfigService) InitConfig(sensorConfigs []*ocmsc.SensorConfig) er
 		s.sensorConfigs[sensorConfig.ConfigID] = sensorConfig
 	}
 
+	if err := s.CollectorService.AddSensorConfigs(sensorConfigs); nil != err {
+		return err
+	}
+
 	logging.Logger().Debugf("Sensor configs[%d] were added", len(sensorConfigs))
 
 	return nil
@@ -69,6 +75,10 @@ func (s *SensorConfigService) AddConfig(sensorConfig *ocmsc.SensorConfig) error
 	}
 	s.sensorConfigs[configID] = sensorConfig
 
+	if err := s.CollectorService.AddSensorConfigs([]*ocmsc.SensorConfig{sensorConfig}); nil != err {
+		return err
+	}
+
 	logging.Logger().Debugf("Sensor config[%s] was added", configID)
 
 	return nil
@@ -86,17 +96,29 @@ func (s *SensorConfigService) UpdateConfig(sensorConfig *ocmsc.SensorConfig) err
 	delete(s.sensorConfigs, configID)
 	s.sensorConfigs[configID] = sensorConfig
 
+	if err := s.CollectorService.RemoveSensorConfigs([]*ocmsc.SensorConfig{sensorConfig}); nil != err {
+		return err
+	}
+	if err := s.CollectorService.AddSensorConfigs([]*ocmsc.SensorConfig{sensorConfig}); nil != err {
+		return err
+	}
+
 	logging.Logger().Debugf("Sensor config[%s] was updated", configID)
 
 	return nil
 }
 
 func (s *SensorConfigService) RemoveConfig(sensorConfigID string) error {
-	if _, ok := s.sensorConfigs[sensorConfigID]; !ok {
+	sensorConfig, ok := s.sensorConfigs[sensorConfigID]
+	if !ok {
 		return fmt.Errorf("Sensor config[%s] is not exist", sensorConfigID)
 	}
 	delete(s.sensorConfigs, sensorConfigID)
 
+	if err := s.CollectorService.RemoveSensorConfigs([]*ocmsc.SensorConfig{sensorConfig}); nil != err {
+		return err
+	}
+
 	logging.Logger().Debugf("Sensor config[%d] was removed", sensorConfigID)
 	return nil
 }