diff --git a/api/disaggregated/v1/types.go b/api/disaggregated/v1/types.go
index 2143901..f63b130 100644
--- a/api/disaggregated/v1/types.go
+++ b/api/disaggregated/v1/types.go
@@ -295,10 +295,6 @@ type Phase string
 
 const (
 	Ready Phase = "Ready"
-	//Upgrading represents the spec of the service changed, service in smoothing upgrade.
-	Upgrading Phase = "Upgrading"
-	//Failed represents service failed to start, can't be accessed.
-	Failed Phase = "Failed"
 	//Creating represents service in creating stage.
 	Reconciling Phase = "Reconciling"
 
diff --git a/pkg/controller/sub_controller/disaggregated_cluster/computegroups/controller.go b/pkg/controller/sub_controller/disaggregated_cluster/computegroups/controller.go
index d2c8de6..4c7013c 100644
--- a/pkg/controller/sub_controller/disaggregated_cluster/computegroups/controller.go
+++ b/pkg/controller/sub_controller/disaggregated_cluster/computegroups/controller.go
@@ -176,12 +176,12 @@ func (dcgs *DisaggregatedComputeGroupsController) reconcileStatefulset(ctx conte
 
 	err := dcgs.preApplyStatefulSet(ctx, st, &est, cluster, cg)
 	if err != nil {
-		if skipApplyStatefulset(err) {
-			return nil, nil
-		}
 		klog.Errorf("disaggregatedComputeGroupsController reconcileStatefulset preApplyStatefulSet namespace=%s name=%s failed, err=%s", st.Namespace, st.Name, err.Error())
 		return &sc.Event{Type: sc.EventWarning, Reason: sc.CGSqlExecFailed, Message: err.Error()}, err
 	}
+	if skipApplyStatefulset(cluster, cg) {
+		return nil, nil
+	}
 
 	if err := k8s.ApplyStatefulSet(ctx, dcgs.K8sclient, st, func(st, est *appv1.StatefulSet) bool {
 		return resource.StatefulsetDeepEqualWithKey(st, est, dv1.DisaggregatedSpecHashValueAnnotation, false)
@@ -209,9 +209,7 @@ func (dcgs *DisaggregatedComputeGroupsController) initialCGStatus(ddc *dv1.Doris
 
 	for i := range cgss {
 		if cgss[i].UniqueId == uniqueId {
-			if cgss[i].Phase == dv1.ScaleDownFailed || cgss[i].Phase == dv1.Suspended ||
-				cgss[i].Phase == dv1.SuspendFailed || cgss[i].Phase == dv1.ResumeFailed ||
-				cgss[i].Phase == dv1.Scaling || cgss[i].Phase == dv1.Decommissioning {
+			if cgss[i].Phase != dv1.Ready {
 				defaultStatus.Phase = cgss[i].Phase
 			}
 			defaultStatus.SuspendReplicas = cgss[i].SuspendReplicas
@@ -292,22 +290,23 @@ func (dcgs *DisaggregatedComputeGroupsController) ClearResources(ctx context.Con
 		}
 		if !cleared {
 			eCGs = append(eCGs, clearCGs[i])
-		} else {
-			// drop compute group
-			cgName := strings.ReplaceAll(cgs.UniqueId, "_", "-")
-			cgKeepAmount := int32(0)
-			sqlClient, err := dcgs.getMasterSqlClient(ctx, dcgs.K8sclient, ddc)
-			if err != nil {
-				klog.Errorf("computeGroupSync ClearResources dropCGBySQLClient getMasterSqlClient failed: %s", err.Error())
-				dcgs.K8srecorder.Event(ddc, string(sc.EventWarning), string(sc.CGSqlExecFailed), "computeGroupSync dropCGBySQLClient failed: "+err.Error())
-			}
-			defer sqlClient.Close()
-			err = dcgs.scaledOutBENodesByDrop(sqlClient, cgName, cgKeepAmount)
-			if err != nil {
-				klog.Errorf("computeGroupSync ClearResources dropCGBySQLClient failed: %s", err.Error())
-				dcgs.K8srecorder.Event(ddc, string(sc.EventWarning), string(sc.CGSqlExecFailed), "computeGroupSync dropCGBySQLClient failed: "+err.Error())
-			}
+			continue
 		}
+		// drop compute group
+		cgName := strings.ReplaceAll(cgs.UniqueId, "_", "-")
+		cgKeepAmount := int32(0)
+		sqlClient, err := dcgs.getMasterSqlClient(ctx, dcgs.K8sclient, ddc)
+		if err != nil {
+			klog.Errorf("computeGroupSync ClearResources dropCGBySQLClient getMasterSqlClient failed: %s", err.Error())
+			dcgs.K8srecorder.Event(ddc, string(sc.EventWarning), string(sc.CGSqlExecFailed), "computeGroupSync dropCGBySQLClient failed: "+err.Error())
+		}
+		defer sqlClient.Close()
+		err = dcgs.scaledOutBENodesByDrop(sqlClient, cgName, cgKeepAmount)
+		if err != nil {
+			klog.Errorf("computeGroupSync ClearResources dropCGBySQLClient failed: %s", err.Error())
+			dcgs.K8srecorder.Event(ddc, string(sc.EventWarning), string(sc.CGSqlExecFailed), "computeGroupSync dropCGBySQLClient failed: "+err.Error())
+		}
+
 	}
 
 	for i := range eCGs {
diff --git a/pkg/controller/sub_controller/disaggregated_cluster/computegroups/prepare_modify.go b/pkg/controller/sub_controller/disaggregated_cluster/computegroups/prepare_modify.go
index d04d71f..b3162ad 100644
--- a/pkg/controller/sub_controller/disaggregated_cluster/computegroups/prepare_modify.go
+++ b/pkg/controller/sub_controller/disaggregated_cluster/computegroups/prepare_modify.go
@@ -19,7 +19,6 @@ package computegroups
 
 import (
 	"context"
-	"errors"
 	dv1 "github.com/apache/doris-operator/api/disaggregated/v1"
 	"github.com/apache/doris-operator/pkg/common/utils/k8s"
 	"github.com/apache/doris-operator/pkg/common/utils/mysql"
@@ -31,8 +30,6 @@ import (
 	"strings"
 )
 
-const decommissioningMessage = "decommissionBENodes in progress"
-
 func (dcgs *DisaggregatedComputeGroupsController) preApplyStatefulSet(ctx context.Context, st, est *appv1.StatefulSet, cluster *dv1.DorisDisaggregatedCluster, cg *dv1.ComputeGroup) error {
 	var cgStatus *dv1.ComputeGroupStatus
 	uniqueId := cg.UniqueId
@@ -50,6 +47,8 @@ func (dcgs *DisaggregatedComputeGroupsController) preApplyStatefulSet(ctx contex
 		if err != nil {
 			return err
 		}
+	default:
+		// default do nothing, not need pre ApplyStatefulSet
 	}
 
 	return nil
@@ -68,22 +67,22 @@ func (dcgs *DisaggregatedComputeGroupsController) scaleOut(ctx context.Context,
 	cgName := cluster.GetCGName(cg)
 
 	if cluster.Spec.EnableDecommission {
-		if err := dcgs.scaledOutBENodesByDecommission(cgStatus, sqlClient, cgName, cgKeepAmount); err != nil {
+		if err := dcgs.scaledOutBENodesByDecommission(cluster, cgStatus, sqlClient, cgName, cgKeepAmount); err != nil {
 			return err
 		}
 	} else { // not decommission , drop node
 		if err := dcgs.scaledOutBENodesByDrop(sqlClient, cgName, cgKeepAmount); err != nil {
 			cgStatus.Phase = dv1.ScaleDownFailed
-			klog.Errorf("ScaleOut scaledOutBENodesByDrop failed, err:%s ", err.Error())
+			klog.Errorf("ScaleOut scaledOutBENodesByDrop ddcName:%s, namespace:%s, computeGroupName:%s, drop nodes failed:%s ", cluster.Name, cluster.Namespace, cgName, err.Error())
 			return err
 		}
+		cgStatus.Phase = dv1.Scaling
 	}
-	cgStatus.Phase = dv1.Scaling
 	// return nil will apply sts
 	return nil
 }
 
-func (dcgs *DisaggregatedComputeGroupsController) scaledOutBENodesByDecommission(cgStatus *dv1.ComputeGroupStatus, sqlClient *mysql.DB, cgName string, cgKeepAmount int32) error {
+func (dcgs *DisaggregatedComputeGroupsController) scaledOutBENodesByDecommission(cluster *dv1.DorisDisaggregatedCluster, cgStatus *dv1.ComputeGroupStatus, sqlClient *mysql.DB, cgName string, cgKeepAmount int32) error {
 	decommissionPhase, err := dcgs.decommissionProgressCheck(sqlClient, cgName, cgKeepAmount)
 	if err != nil {
 		return err
@@ -93,18 +92,19 @@ func (dcgs *DisaggregatedComputeGroupsController) scaledOutBENodesByDecommission
 		err = dcgs.decommissionBENodes(sqlClient, cgName, cgKeepAmount)
 		if err != nil {
 			cgStatus.Phase = dv1.ScaleDownFailed
-			klog.Errorf("scaledOutBENodesByDecommission failed, err:%s ", err.Error())
+			klog.Errorf("scaledOutBENodesByDecommission ddcName:%s, namespace:%s, computeGroupName:%s , Decommission failed, err:%s ", cluster.Name, cluster.Namespace, cgName, err.Error())
 			return err
 		}
 		cgStatus.Phase = dv1.Decommissioning
-		return errors.New(decommissioningMessage)
+		return nil
 	case resource.Decommissioning, resource.DecommissionPhaseUnknown:
 		cgStatus.Phase = dv1.Decommissioning
-		klog.Infof("scaledOutBENodesByDecommission in progress")
-		return errors.New(decommissioningMessage)
+		klog.Infof("scaledOutBENodesByDecommission ddcName:%s, namespace:%s, computeGroupName:%s, Decommission in progress", cluster.Name, cluster.Namespace, cgName)
+		return nil
 	case resource.Decommissioned:
 		dcgs.scaledOutBENodesByDrop(sqlClient, cgName, cgKeepAmount)
 	}
+	cgStatus.Phase = dv1.Scaling
 	return nil
 }
 
@@ -229,8 +229,17 @@ func getScaledOutBENode(
 	return dropNodes, nil
 }
 
-func skipApplyStatefulset(err error) bool {
-	if err == nil || err.Error() == decommissioningMessage {
+func skipApplyStatefulset(ddc *dv1.DorisDisaggregatedCluster, cg *dv1.ComputeGroup) bool {
+	var cgStatus *dv1.ComputeGroupStatus
+	uniqueId := cg.UniqueId
+	for i := range ddc.Status.ComputeGroupStatuses {
+		if ddc.Status.ComputeGroupStatuses[i].UniqueId == uniqueId {
+			cgStatus = &ddc.Status.ComputeGroupStatuses[i]
+			break
+		}
+	}
+
+	if cgStatus.Phase == dv1.Decommissioning {
 		return true
 	}
 	return false