diff --git a/pkg/compute/tasks/guest_detach_disk_task.go b/pkg/compute/tasks/guest_detach_disk_task.go
index 83f552d0b8..4f9c3bf0bb 100644
--- a/pkg/compute/tasks/guest_detach_disk_task.go
+++ b/pkg/compute/tasks/guest_detach_disk_task.go
@@ -62,18 +62,20 @@ func (self *GuestDetachDiskTask) OnInit(ctx context.Context, obj db.IStandaloneM
 
 	guest.DetachDisk(ctx, disk, self.UserCred)
 	host := guest.GetHost()
-	purge := false
 	if host != nil && !host.Enabled && jsonutils.QueryBoolean(self.Params, "purge", false) {
-		purge = true
+		self.OnDetachDiskComplete(ctx, guest, nil)
+		return
 	}
 
-	if !purge {
-		self.SetStage("OnDetachDiskComplete", nil)
-		if err := guest.GetDriver().RequestDetachDisk(ctx, guest, disk, self); err != nil {
-			self.OnTaskFail(ctx, guest, disk, err)
-		}
-	} else {
-		self.OnDetachDiskComplete(ctx, guest, nil)
+	if !host.Enabled {
+		self.OnDetachDiskCompleteFailed(ctx, guest, jsonutils.Marshal(map[string]string{"error": fmt.Sprintf("host %s(%s) is disabled", host.Name, host.Id)}))
+		return
+	}
+
+	self.SetStage("OnDetachDiskComplete", nil)
+	err = guest.GetDriver().RequestDetachDisk(ctx, guest, disk, self)
+	if err != nil {
+		self.OnDetachDiskCompleteFailed(ctx, guest, jsonutils.Marshal(map[string]string{"error": err.Error()}))
 	}
 }
 
diff --git a/pkg/compute/tasks/guest_undeploy_task.go b/pkg/compute/tasks/guest_undeploy_task.go
index ea954f0fca..78520d068f 100644
--- a/pkg/compute/tasks/guest_undeploy_task.go
+++ b/pkg/compute/tasks/guest_undeploy_task.go
@@ -16,6 +16,7 @@ package tasks
 
 import (
 	"context"
+	"fmt"
 
 	"yunion.io/x/jsonutils"
 
@@ -48,6 +49,10 @@ func (self *GuestUndeployTask) OnInit(ctx context.Context, obj db.IStandaloneMod
 		host = models.HostManager.FetchHostById(targetHostId)
 	}
 	if host != nil {
+		if !host.Enabled {
+			self.OnStartDeleteGuestFail(ctx, fmt.Errorf("host %s(%s) is disabled", host.Name, host.Id))
+			return
+		}
 		err := guest.GetDriver().RequestUndeployGuestOnHost(ctx, guest, host, self)
 		if err != nil {
 			self.OnStartDeleteGuestFail(ctx, err)
@@ -61,6 +66,10 @@ func (self *GuestUndeployTask) OnMasterHostUndeployGuestComplete(ctx context.Con
 	self.SetStage("OnGuestUndeployComplete", nil)
 	host := models.HostManager.FetchHostById(guest.BackupHostId)
 	if host != nil {
+		if !host.Enabled {
+			self.OnStartDeleteGuestFail(ctx, fmt.Errorf("host %s(%s) is disabled", host.Name, host.Id))
+			return
+		}
 		err := guest.GetDriver().RequestUndeployGuestOnHost(ctx, guest, host, self)
 		if err != nil {
 			self.OnStartDeleteGuestFail(ctx, err)