diff --git a/cli.go b/cli.go
index fb1d423..c5f4dc3 100644
--- a/cli.go
+++ b/cli.go
@@ -2,7 +2,6 @@ package manager
 
 import (
 	"context"
-	"errors"
 	"log"
 
 	"git.godopu.net/lab/etri-smartfarm-poc-controller-serial/puserial"
@@ -55,14 +54,14 @@ func AddRecvListener(h EventHandler) {
 	_managerObj.addRecvListener(h)
 }
 
-func SetDevicePropsToSync(uuid string, propsToSync []string) error {
-	device, ok := _managerObj.devicesWithUUID[uuid]
-	if !ok {
-		return errors.New("device not found")
-	}
-	device.propsToSync = propsToSync
-	return nil
-}
+// func SetDevicePropsToSync(uuid string, propsToSync []string) error {
+// 	device, ok := _managerObj.devicesWithUUID[uuid]
+// 	if !ok {
+// 		return errors.New("device not found")
+// 	}
+// 	device.propsToSync = propsToSync
+// 	return nil
+// }
 
 func Run() error {
 	iface, err := puserial.InitDevice()
diff --git a/examples/main.go b/examples/main.go
index 6855e0e..b3f42cc 100644
--- a/examples/main.go
+++ b/examples/main.go
@@ -24,8 +24,11 @@ func main() {
 		param := e.Params()
 		fmt.Println(param["uuid"].(string), " is removed!!")
 	})
+
 	go manager.Run()
 	defer manager.Close()
+
+	param := map[string]interface{}{}
 	for {
 		fmt.Print("> ")
 		reader := bufio.NewReader(os.Stdin)
@@ -34,9 +37,6 @@ func main() {
 		fmt.Println("cmd: ", cmd)
 		if cmd == "exit" {
 			return
-		} else if cmd == "setup" {
-			manager.SetDevicePropsToSync("DEVICE-A-UUID", []string{"fan", "servo"})
-			continue
 		}
 
 		tkns := strings.Split(cmd, " ")
@@ -45,9 +45,7 @@ func main() {
 		if err != nil {
 			continue
 		}
-		param := map[string]interface{}{
-			tkns[1]: value,
-		}
+		param[tkns[1]] = value
 		manager.Sync(key, param)
 	}
 }
diff --git a/listener.go b/listener.go
index 2fe4e14..a798ae6 100644
--- a/listener.go
+++ b/listener.go
@@ -11,22 +11,28 @@ type SyncHandler struct {
 	chanForSync map[string]chan map[string]interface{}
 }
 
-func compareMap(src map[string]interface{}, dst map[string]interface{}, props []string) bool {
-	for _, prop := range props {
-		srcV, ok := src[prop].(int)
+func compareMap(src map[string]interface{}, dst map[string]interface{}) bool {
+
+	for key, value := range src {
+		if key == "code" {
+			continue
+		}
+		srcV, ok := value.(int)
 		if !ok {
-			srcV = int(src[prop].(float64))
+			srcV = int(value.(float64))
 		}
 
-		dstV, ok := dst[prop].(int)
+		dstV, ok := dst[key].(int)
 		if !ok {
-			dstV = int(dst[prop].(float64))
+			dstV = int(dst[key].(float64))
 		}
+
 		if srcV != dstV {
-			fmt.Println("diff ", prop, "] ", srcV, " vs ", dstV)
+			fmt.Println("diff ", key, "] ", srcV, " vs ", dstV)
 			return false
 		}
 	}
+
 	return true
 }
 
@@ -48,17 +54,12 @@ func (sh *SyncHandler) Handle(e Event) {
 		encoder := json.NewEncoder(device.Iface)
 		origin := map[string]interface{}{}
 		origin["code"] = 200
-		props := device.propsToSync
-		// props := []string{"fan", "light", "servo"}
-		for _, pname := range props {
-			prop, ok := params[pname]
-			if !ok {
-				origin[pname] = device.states[pname]
-			} else {
-				origin[pname] = prop
-			}
+		for key, value := range params {
+			origin[key] = value
 		}
 
+		// props := []string{"fan", "light", "servo"}
+
 		err := encoder.Encode(origin)
 		if err != nil {
 			return
@@ -66,7 +67,7 @@ func (sh *SyncHandler) Handle(e Event) {
 
 		sh.chanForSync[device.IfaceName] = make(chan map[string]interface{})
 		for state := range sh.chanForSync[device.IfaceName] {
-			if compareMap(origin, state, props) {
+			if compareMap(origin, state) {
 				log.Println("Same!!")
 				close(sh.chanForSync[device.IfaceName])
 				delete(sh.chanForSync, device.IfaceName)
diff --git a/model.go b/model.go
index ebbac2f..ac197e6 100644
--- a/model.go
+++ b/model.go
@@ -3,12 +3,11 @@ package manager
 import "io"
 
 type _device struct {
-	UUID        string
-	IfaceName   string
-	Sname       string
-	Iface       io.ReadWriter
-	states      map[string]interface{}
-	propsToSync []string
+	UUID      string
+	IfaceName string
+	Sname     string
+	Iface     io.ReadWriter
+	states    map[string]interface{}
 }
 
 type RecvEvent struct {
diff --git a/puserial/serial.go b/puserial/serial.go
index a1ccc07..702f5ec 100644
--- a/puserial/serial.go
+++ b/puserial/serial.go
@@ -25,6 +25,7 @@ func InitDevice() (string, error) {
 
 	return "", errors.New("USB Not found")
 }
+
 func WatchNewDevice(ctx context.Context, ch_discover chan<- notify.EventInfo) error {
 	defer close(ch_discover)