diff --git a/pkg/apis/image/guestimage.go b/pkg/apis/image/guestimage.go
index 6321d328b7..bad45a933d 100644
--- a/pkg/apis/image/guestimage.go
+++ b/pkg/apis/image/guestimage.go
@@ -26,8 +26,6 @@ type GuestImageDetails struct {
 	apis.SharableVirtualResourceDetails
 	SGuestImage
 
-	ImageIds []string `json:"image_ids"`
-
 	//Status     string               `json:"status"`
 	Size       int64          `json:"size"`
 	MinRamMb   int32          `json:"min_ram_mb"`
diff --git a/pkg/compute/models/guest_actions.go b/pkg/compute/models/guest_actions.go
index d6dd67756d..8181c50f03 100644
--- a/pkg/compute/models/guest_actions.go
+++ b/pkg/compute/models/guest_actions.go
@@ -260,19 +260,26 @@ func (self *SGuest) PerformSaveGuestImage(ctx context.Context, userCred mcclient
 	if err != nil {
 		return nil, err
 	}
-	imageIds, err := ret.Get("image_ids")
-	if err != nil {
-		return nil, fmt.Errorf("something wrong in glance")
-	}
-	tmp := imageIds.(*jsonutils.JSONArray)
-	if tmp.Length() != len(disks.Data)+1 {
+	guestImageInfo := struct {
+		RootImage  imageapi.SubImageInfo
+		DataImages []imageapi.SubImageInfo
+	}{}
+	ret.Unmarshal(&guestImageInfo)
+
+	if len(guestImageInfo.DataImages) != len(disks.Data) {
 		return nil, fmt.Errorf("create subimage of guest image error")
 	}
+	imageIds := make([]string, 0, len(guestImageInfo.DataImages)+1)
+	for _, info := range guestImageInfo.DataImages {
+		imageIds = append(imageIds, info.ID)
+	}
+	imageIds = append(imageIds, guestImageInfo.RootImage.ID)
 	taskParams := jsonutils.NewDict()
 	if restart, _ := kwargs.Bool("auto_start"); restart {
 		taskParams.Add(jsonutils.JSONTrue, "auto_start")
 	}
-	taskParams.Add(imageIds, "image_ids")
+	taskParams.Add(jsonutils.Marshal(imageIds), "image_ids")
+	log.Infof("before StartGuestSaveGuestImage image_ids: %s", imageIds)
 	return nil, self.StartGuestSaveGuestImage(ctx, userCred, taskParams, "")
 }
 
diff --git a/pkg/image/models/image_guest.go b/pkg/image/models/image_guest.go
index 0d8b9c5855..66eeef3eb4 100644
--- a/pkg/image/models/image_guest.go
+++ b/pkg/image/models/image_guest.go
@@ -291,7 +291,6 @@ func (self *SGuestImage) getMoreDetails(ctx context.Context, userCred mcclient.T
 	var rootImage api.SubImageInfo
 	for i := range images {
 		image := images[i]
-		out.ImageIds = append(out.ImageIds, image.Id)
 		size += image.Size
 		if !image.IsData.IsTrue() {
 			rootImage = api.SubImageInfo{