diff --git a/src/api/grpc/server/mcis/monitor.go b/src/api/grpc/server/mcis/monitor.go
index e43659e53..65d12afe2 100644
--- a/src/api/grpc/server/mcis/monitor.go
+++ b/src/api/grpc/server/mcis/monitor.go
@@ -7,6 +7,7 @@ import (
 	"github.com/cloud-barista/cb-tumblebug/src/api/grpc/logger"
 	pb "github.com/cloud-barista/cb-tumblebug/src/api/grpc/protobuf/cbtumblebug"
 
+	common "github.com/cloud-barista/cb-tumblebug/src/core/common"
 	"github.com/cloud-barista/cb-tumblebug/src/core/mcis"
 )
 
@@ -29,8 +30,8 @@ func (s *MCISService) InstallMonitorAgentToMcis(ctx context.Context, req *pb.Mci
 		return nil, gc.ConvGrpcStatusErr(err, "", "MCISService.InstallMonitorAgentToMcis()")
 	}
 
-	mcisTmpSystemLabel := mcis.DefaultSystemLabel
-	content, err := mcis.InstallMonitorAgentToMcis(req.NsId, req.McisId, mcisTmpSystemLabel, &mcisObj)
+	// mcisTmpSystemLabel := mcis.DefaultSystemLabel
+	content, err := mcis.InstallMonitorAgentToMcis(req.NsId, req.McisId, common.StrVM, &mcisObj)
 	if err != nil {
 		return nil, gc.ConvGrpcStatusErr(err, "", "MCISService.InstallMonitorAgentToMcis()")
 	}
diff --git a/src/api/rest/server/mcis/monitoring.go b/src/api/rest/server/mcis/monitoring.go
index 871088027..8baa1a36a 100644
--- a/src/api/rest/server/mcis/monitoring.go
+++ b/src/api/rest/server/mcis/monitoring.go
@@ -45,8 +45,8 @@ func RestPostInstallMonitorAgentToMcis(c echo.Context) error {
 		return err
 	}
 
-	mcisTmpSystemLabel := mcis.DefaultSystemLabel
-	content, err := mcis.InstallMonitorAgentToMcis(nsId, mcisId, mcisTmpSystemLabel, req)
+	// mcisTmpSystemLabel := mcis.DefaultSystemLabel
+	content, err := mcis.InstallMonitorAgentToMcis(nsId, mcisId, common.StrVM, req)
 	if err != nil {
 		common.CBLog.Error(err)
 		return err
diff --git a/src/core/mcis/monitoring.go b/src/core/mcis/monitoring.go
index 3d93346ff..841efec83 100644
--- a/src/core/mcis/monitoring.go
+++ b/src/core/mcis/monitoring.go
@@ -192,7 +192,7 @@ func CallMonitoringAsync(wg *sync.WaitGroup, nsID string, mcisID string, mcisSer
 	UpdateVmInfo(nsID, mcisID, vmInfoTmp)
 
 	if mcisServiceType == "" {
-		mcisServiceType = "default"
+		mcisServiceType = common.StrVM
 	}
 
 	url := common.DragonflyRestUrl + cmd
diff --git a/src/core/mcis/provisioning.go b/src/core/mcis/provisioning.go
index 6b8b0fe8b..c4fe9b756 100644
--- a/src/core/mcis/provisioning.go
+++ b/src/core/mcis/provisioning.go
@@ -589,7 +589,7 @@ func CorePostMcisVm(nsId string, mcisId string, vmInfoData *TbVmInfo) (*TbVmInfo
 			reqToMon.UserName = "cb-user" // this MCIS user name is temporal code. Need to improve.
 
 			fmt.Printf("\n[InstallMonitorAgentToMcis]\n\n")
-			content, err := InstallMonitorAgentToMcis(nsId, mcisId, mcisTmp.SystemLabel, reqToMon)
+			content, err := InstallMonitorAgentToMcis(nsId, mcisId, common.StrVM, reqToMon)
 			if err != nil {
 				common.CBLog.Error(err)
 				//mcisTmp.InstallMonAgent = "no"
@@ -854,7 +854,7 @@ func CreateMcisGroupVm(nsId string, mcisId string, vmRequest *TbVmReq, newSubGro
 			reqToMon.UserName = "cb-user" // this MCIS user name is temporal code. Need to improve.
 
 			fmt.Printf("\n[InstallMonitorAgentToMcis]\n\n")
-			content, err := InstallMonitorAgentToMcis(nsId, mcisId, mcisTmp.SystemLabel, reqToMon)
+			content, err := InstallMonitorAgentToMcis(nsId, mcisId, common.StrVM, reqToMon)
 			if err != nil {
 				common.CBLog.Error(err)
 				//mcisTmp.InstallMonAgent = "no"
@@ -1112,7 +1112,7 @@ func CreateMcis(nsId string, req *TbMcisReq, option string) (*TbMcisInfo, error)
 			time.Sleep(60 * time.Second)
 
 			fmt.Printf("\n[InstallMonitorAgentToMcis]\n\n")
-			content, err := InstallMonitorAgentToMcis(nsId, mcisId, mcisTmp.SystemLabel, reqToMon)
+			content, err := InstallMonitorAgentToMcis(nsId, mcisId, common.StrVM, reqToMon)
 			if err != nil {
 				common.CBLog.Error(err)
 				//mcisTmp.InstallMonAgent = "no"