diff --git a/build/crd-samples/devices/modbus-device-model.yaml b/build/crd-samples/devices/modbus-device-model.yaml
index 4da63b51..14961e0f 100644
--- a/build/crd-samples/devices/modbus-device-model.yaml
+++ b/build/crd-samples/devices/modbus-device-model.yaml
@@ -18,4 +18,4 @@ spec:
       int:
         accessMode: ReadWrite
         defaultValue: 1
-
+ protocol: modbus
diff --git a/build/crd-samples/devices/modbusrtu-device-instance.yaml b/build/crd-samples/devices/modbusrtu-device-instance.yaml
index db64b758..cf3d2292 100644
--- a/build/crd-samples/devices/modbusrtu-device-instance.yaml
+++ b/build/crd-samples/devices/modbusrtu-device-instance.yaml
@@ -30,6 +30,8 @@ spec:
         - test
   propertyVisitors:
     - propertyName: temperature
+      collectCycle: 1000
+      reportCycle: 1000
       modbus:
         register: CoilRegister
         offset: 2
diff --git a/build/crd-samples/devices/modbustcp-device-instance.yaml b/build/crd-samples/devices/modbustcp-device-instance.yaml
index 02f0b280..289f325a 100644
--- a/build/crd-samples/devices/modbustcp-device-instance.yaml
+++ b/build/crd-samples/devices/modbustcp-device-instance.yaml
@@ -44,13 +44,14 @@ spec:
 status:
   twins:
     - propertyName: temperature-enable
-      reported:
+      desired:
         metadata:
           timestamp: '1550049403598'
-          type: integer
-        value: "0"
+          type: int
+        value: "1"
+    - propertyName: temperature
       desired:
         metadata:
           timestamp: '1550049403598'
-          type: integer
-        value: "0"
+          type: int
+        value: "28"
diff --git a/mappers/modbus-dmi/cmd/main.go b/mappers/modbus-dmi/cmd/main.go
index b269c5c5..c041ff06 100644
--- a/mappers/modbus-dmi/cmd/main.go
+++ b/mappers/modbus-dmi/cmd/main.go
@@ -42,14 +42,6 @@ func main() {
 
 	grpcclient.Init(&c)
 
-	// start grpc server
-	grpcServer := grpcserver.NewServer(
-		grpcserver.Config{
-			SockPath: c.GrpcServer.SocketPath,
-			Protocol: common.ProtocolModbus,
-		},
-	)
-
 	panel := device.NewDevPanel()
 	err = panel.DevInit(&c)
 	if err != nil && !errors.Is(err, parse.ErrEmptyData) {
@@ -69,7 +61,15 @@ func main() {
 	}
 
 	panel.DevStart()
+	klog.Infoln("devices start finished")
 
+	// start grpc server
+	grpcServer := grpcserver.NewServer(
+		grpcserver.Config{
+			SockPath: c.GrpcServer.SocketPath,
+			Protocol: common.ProtocolModbus,
+		},
+	)
 	if err = grpcServer.Start(); err != nil {
 		klog.Fatal(err)
 	}
diff --git a/mappers/modbus-dmi/device/device.go b/mappers/modbus-dmi/device/device.go
index 657b5a48..51bea257 100644
--- a/mappers/modbus-dmi/device/device.go
+++ b/mappers/modbus-dmi/device/device.go
@@ -52,7 +52,7 @@ func setVisitor(visitorConfig *modbus.ModbusVisitorConfig, twin *common.Twin, cl
 	}
 
 	klog.V(2).Infof("Convert type: %s, value: %s ", twin.PVisitor.PProperty.DataType, twin.Desired.Value)
-	value, err := common.Convert(twin.PVisitor.PProperty.DataType, twin.Desired.Value)
+	value, err := common.Convert(twin.Desired.Metadatas.Type, twin.Desired.Value)
 	if err != nil {
 		klog.Errorf("Convert error: %v", err)
 		return
@@ -127,7 +127,7 @@ func initTwin(ctx context.Context, dev *modbus.ModbusDev) {
 			VisitorConfig: &visitorConfig,
 			Topic:         fmt.Sprintf(common.TopicTwinUpdate, dev.Instance.ID),
 			DeviceName:    dev.Instance.Name}
-		collectCycle := time.Duration(dev.Instance.Twins[i].PVisitor.CollectCycle)
+		collectCycle := time.Duration(dev.Instance.Twins[i].PVisitor.CollectCycle) * time.Millisecond
 		// If the collect cycle is not set, set it to 1 second.
 		if collectCycle == 0 {
 			collectCycle = 1 * time.Second
@@ -172,7 +172,6 @@ func (d *DevPanel) start(ctx context.Context, dev *modbus.ModbusDev) {
 
 	go initTwin(ctx, dev)
 
-	<-ctx.Done()
 	d.wg.Done()
 }
 
diff --git a/mappers/modbus-dmi/device/twindata.go b/mappers/modbus-dmi/device/twindata.go
index b45cf1ac..a438faca 100644
--- a/mappers/modbus-dmi/device/twindata.go
+++ b/mappers/modbus-dmi/device/twindata.go
@@ -119,7 +119,7 @@ func TransferData(isRegisterSwap bool, isSwap bool,
 		data := string(value)
 		return data, nil
 	default:
-		return "", errors.New("Data type is not support")
+		return "", errors.New("Data type is not support: " + dataType)
 	}
 }
 
@@ -177,4 +177,5 @@ func (td *TwinData) Run() {
 	if err := grpcclient.ReportDeviceStatus(rdsr); err != nil {
 		klog.Errorf("fail to report device status of %s with err: %+v", rdsr.DeviceName, err)
 	}
+	klog.V(2).Infof("reported status: %s", td.DeviceName)
 }
diff --git a/pkg/common/event.go b/pkg/common/event.go
index 37c2eb28..d2193e8a 100644
--- a/pkg/common/event.go
+++ b/pkg/common/event.go
@@ -20,6 +20,7 @@ import (
 	"crypto/tls"
 	"encoding/json"
 	"regexp"
+	"strconv"
 	"time"
 
 	mqtt "github.com/eclipse/paho.mqtt.golang"
@@ -124,6 +125,7 @@ func CreateMessageTwinUpdate(name string, valueType string, value string) (msg [
 	updateMsg.Twin = map[string]*MsgTwin{}
 	updateMsg.Twin[name] = &MsgTwin{}
 	updateMsg.Twin[name].Actual = &TwinValue{Value: &value}
+	updateMsg.Twin[name].Actual.Metadata.Timestamp = strconv.FormatInt(getTimestamp(), 10)
 	updateMsg.Twin[name].Metadata = &TypeMetadata{Type: valueType}
 
 	msg, err = json.Marshal(updateMsg)
diff --git a/pkg/util/parse/type.go b/pkg/util/parse/type.go
index d7f0b24b..0647f388 100644
--- a/pkg/util/parse/type.go
+++ b/pkg/util/parse/type.go
@@ -336,12 +336,6 @@ func ConvMsgTwinToGrpc(msgTwin map[string]*common.MsgTwin) []*dmiapi.Twin {
 	for name, twin := range msgTwin {
 		twinData := &dmiapi.Twin{
 			PropertyName: name,
-			Desired: &dmiapi.TwinProperty{
-				Value: *twin.Expected.Value,
-				Metadata: map[string]string{
-					"type":      twin.Metadata.Type,
-					"timestamp": twin.Expected.Metadata.Timestamp,
-				}},
 			Reported: &dmiapi.TwinProperty{
 				Value: *twin.Actual.Value,
 				Metadata: map[string]string{