diff --git a/consumer/influx_stat.go b/consumer/influx_stat.go
index 28fb911..4480f30 100644
--- a/consumer/influx_stat.go
+++ b/consumer/influx_stat.go
@@ -80,7 +80,7 @@ func (m *influxMetric) StartLogging() {
 	if err != nil {
 		panic(err)
 	}
-	ticker := time.Tick(time.Second)
+	ticker := time.Tick(time.Second*2)
 	fanspeedList, tempetureList := make([]processor.FanspeedInfo, 0, 0), make([]processor.TempetureInfo, 0, 0)
 
 	for {
@@ -91,7 +91,6 @@ func (m *influxMetric) StartLogging() {
 			go m.sendPoint(influxDbConn, batchPoint, fanspeedListTemp, tempetureListTemp)
 		case changedSpeed := <-m.fanSpeedConsumer:
 			fanspeedList = append(fanspeedList, changedSpeed)
-
 		case changedTempeture := <-m.tempetureConsumer:
 			tempetureList = append(tempetureList, changedTempeture)
 		case <-m.handler.Done():
diff --git a/main.go b/main.go
index 18d5fe2..0bb16eb 100644
--- a/main.go
+++ b/main.go
@@ -20,8 +20,8 @@ import (
 var (
 	app      = kingpin.New("cpu_ctrl", "Interactive CPU fan controller").Author("Sangbum Kim")
 	verbose  = app.Flag("verbose", "Enable verbose mode.").Short('v').Bool()
-	P        = app.Flag("proportional-gain", "Set proportional gain value.").Short('p').Default("1.5").Float64()
-	I        = app.Flag("integral-gain", "Set integral gain value.").Short('i').Default("0.4").Float64()
+	P        = app.Flag("proportional-gain", "Set proportional gain value.").Short('p').Default("1.0").Float64()
+	I        = app.Flag("integral-gain", "Set integral gain value.").Short('i').Default("0.6").Float64()
 	D        = app.Flag("derivative-gain", "Set derivative gain value.").Short('d').Default("2.0").Float64()
 	SetPoint = app.Flag("set-point", "Set pointe tempeture").Short('t').Default("38.0").Float64()
 
diff --git a/processor/processor.go b/processor/processor.go
index 3c82e5e..b2c1d42 100644
--- a/processor/processor.go
+++ b/processor/processor.go
@@ -33,14 +33,12 @@ type processor struct {
 type TempetureInfo struct {
 	Id        int
 	Tempeture float64
-	Changed   bool
 	At        time.Time
 }
 
 type FanspeedInfo struct {
 	Id       int
 	FanSpeed int
-	Changed  bool
 	At       time.Time
 }
 
@@ -144,37 +142,39 @@ func (p *processor) StartMonitoring() {
 			CREATE CONTINUOUS QUERY "processor_tempeture_5s" ON "core" BEGIN SELECT mean("tempeture") AS "mean_tempeture" INTO "12 weeks"."processor_tempeture_5s" FROM "processor_tempeture" GROUP BY   processor, time(5s) fill(previous) END
 			 */
 			highestTemp = p.getMaxTempetureOnProcessor(tempeturePathGlob)
-			if p.tempetureChanged != nil {
-				select {
-				case p.tempetureChanged <- TempetureInfo{
-					Id:        p.id,
-					Tempeture: highestTemp,
-					Changed:   highestTemp != p.tempeture,
-					At:        now,
-				}:
-				default:
+			if highestTemp != p.tempeture {
+				if p.tempetureChanged != nil {
+					select {
+					case p.tempetureChanged <- TempetureInfo{
+						Id:        p.id,
+						Tempeture: highestTemp,
+						At:        now,
+					}:
+					default:
+					}
 				}
+				p.tempeture = highestTemp
+				log.Debugf("processor %d : tempeture changed %f", p.id, highestTemp)
 			}
-			p.tempeture = highestTemp
-			log.Debugf("processor %d : tempeture changed %f", p.id, highestTemp)
 
 			/*
 			CREATE CONTINUOUS QUERY "processor_cooling_fanspeed_5s" ON "core" BEGIN SELECT mean("noob") AS "mean_noob" INTO "12 weeks"."processor_cooling_fanspeed_5s" FROM "processor_cooling_fanspeed" GROUP BY  processor, time(5s) fill(previous) END
 			 */
 			fanspeed = p.normalizeFanspeed(p.fanController.Update(highestTemp))
-			if p.fanSpeedChanged != nil {
-				select {
-				case p.fanSpeedChanged <- FanspeedInfo{
-					Id:       p.id,
-					FanSpeed: fanspeed,
-					Changed:  fanspeed != p.fanSpeed,
-					At:       now,
-				}:
-				default:
+			if fanspeed != p.fanSpeed {
+				if p.fanSpeedChanged != nil {
+					select {
+					case p.fanSpeedChanged <- FanspeedInfo{
+						Id:       p.id,
+						FanSpeed: fanspeed,
+						At:       now,
+					}:
+					default:
+					}
 				}
+				p.fanSpeed = fanspeed
+				log.Debugf("processor %d : fan changed 0x%x", p.id, fanspeed)
 			}
-			p.fanSpeed = fanspeed
-			log.Debugf("processor %d : fan changed 0x%x", p.id, fanspeed)
 		case <-p.handler.Done():
 			return
 		}