diff --git a/pkg/hostman/guestfs/fsdriver/drivers.go b/pkg/hostman/guestfs/fsdriver/drivers.go
index 44993d48c3..573b409b3f 100644
--- a/pkg/hostman/guestfs/fsdriver/drivers.go
+++ b/pkg/hostman/guestfs/fsdriver/drivers.go
@@ -42,10 +42,10 @@ func Init(initPrivatePrefixes []string, cloudrootDir string) error {
 	}
 
 	linuxFsDrivers := []newRootFsDriverFunc{
-		NewCentosRootFs, NewFedoraRootFs,
 		NewFangdeRootFs, NewUnionOSRootFs,
 		NewAnolisRootFs, NewGalaxyKylinRootFs, NewRhelRootFs,
 		NewFangdeDeskRootfs, NewUKylinRootfs,
+		NewCentosRootFs, NewFedoraRootFs,
 		NewDebianRootFs, NewCirrosRootFs, NewCirrosNewRootFs, NewUbuntuRootFs,
 		NewGentooRootFs, NewArchLinuxRootFs, NewOpenWrtRootFs, NewCoreOsRootFs,
 		NewOpenEulerRootFs,
diff --git a/pkg/hostman/storageman/disk_base.go b/pkg/hostman/storageman/disk_base.go
index e421fd8169..87f7ea5a61 100644
--- a/pkg/hostman/storageman/disk_base.go
+++ b/pkg/hostman/storageman/disk_base.go
@@ -55,7 +55,7 @@ type IDisk interface {
 	PrepareMigrate(liveMigrate bool) (string, error)
 	CreateFromUrl(ctx context.Context, url string, size int64, callback func(progress, progressMbps float64, totalSizeMb int64)) error
 	CreateFromTemplate(context.Context, string, string, int64, *apis.SEncryptInfo) (jsonutils.JSONObject, error)
-	CreateFromSnapshotLocation(ctx context.Context, location string, size int64) error
+	CreateFromSnapshotLocation(ctx context.Context, location string, size int64, encryptInfo *apis.SEncryptInfo) error
 	CreateFromRbdSnapshot(ctx context.Context, snapshotId, srcDiskId, srcPool string) error
 	CreateFromImageFuse(ctx context.Context, url string, size int64, encryptInfo *apis.SEncryptInfo) error
 	CreateRaw(ctx context.Context, sizeMb int, diskFromat string, fsFormat string,
@@ -112,7 +112,7 @@ func (d *SBaseDisk) CreateFromTemplate(context.Context, string, string, int64, *
 	return nil, fmt.Errorf("Not implemented")
 }
 
-func (d *SBaseDisk) CreateFromSnapshotLocation(ctx context.Context, location string, size int64) error {
+func (d *SBaseDisk) CreateFromSnapshotLocation(ctx context.Context, location string, size int64, encryptInfo *apis.SEncryptInfo) error {
 	return fmt.Errorf("Not implemented")
 }
 
diff --git a/pkg/hostman/storageman/disk_nas.go b/pkg/hostman/storageman/disk_nas.go
index d5cc841ac6..e4cbefabb6 100644
--- a/pkg/hostman/storageman/disk_nas.go
+++ b/pkg/hostman/storageman/disk_nas.go
@@ -59,7 +59,7 @@ func (d *SNasDisk) CreateFromImageFuse(ctx context.Context, url string, size int
 	return fmt.Errorf("Not implemented")
 }
 
-func (d *SNasDisk) CreateFromSnapshotLocation(ctx context.Context, snapshotLocation string, size int64) error {
+func (d *SNasDisk) CreateFromSnapshotLocation(ctx context.Context, snapshotLocation string, size int64, encryptInfo *apis.SEncryptInfo) error {
 	snapshotPath := path.Join(d.Storage.GetPath(), snapshotLocation)
 	newImg, err := qemuimg.NewQemuImage(d.GetPath())
 	if err != nil {
@@ -71,7 +71,11 @@ func (d *SNasDisk) CreateFromSnapshotLocation(ctx context.Context, snapshotLocat
 			return err
 		}
 	}
-	err = newImg.CreateQcow2(0, false, snapshotPath, "", "", "")
+	if encryptInfo != nil {
+		err = newImg.CreateQcow2(0, false, snapshotPath, encryptInfo.Key, qemuimg.EncryptFormatLuks, encryptInfo.Alg)
+	} else {
+		err = newImg.CreateQcow2(0, false, snapshotPath, "", "", "")
+	}
 	if err != nil {
 		return errors.Wrap(err, "create image from snapshot")
 	}
@@ -80,6 +84,9 @@ func (d *SNasDisk) CreateFromSnapshotLocation(ctx context.Context, snapshotLocat
 	if size > retSize {
 		params := jsonutils.NewDict()
 		params.Set("size", jsonutils.NewInt(size))
+		if encryptInfo != nil {
+			params.Set("encrypt_info", jsonutils.Marshal(encryptInfo))
+		}
 		_, err = d.Resize(ctx, params)
 		return err
 	}
diff --git a/pkg/hostman/storageman/storage_nas.go b/pkg/hostman/storageman/storage_nas.go
index b2eba7d138..c21928e80e 100644
--- a/pkg/hostman/storageman/storage_nas.go
+++ b/pkg/hostman/storageman/storage_nas.go
@@ -22,6 +22,7 @@ import (
 	"yunion.io/x/jsonutils"
 	"yunion.io/x/log"
 
+	"yunion.io/x/onecloud/pkg/apis"
 	"yunion.io/x/onecloud/pkg/cloudprovider"
 	"yunion.io/x/onecloud/pkg/hostman/hostutils"
 	modules "yunion.io/x/onecloud/pkg/mcclient/modules/compute"
@@ -94,5 +95,10 @@ func (s *SNasStorage) SyncStorageInfo() (jsonutils.JSONObject, error) {
 }
 
 func (s *SNasStorage) CreateDiskFromSnapshot(ctx context.Context, disk IDisk, input *SDiskCreateByDiskinfo) error {
-	return disk.CreateFromSnapshotLocation(ctx, input.DiskInfo.SnapshotUrl, int64(input.DiskInfo.DiskSizeMb))
+	info := input.DiskInfo
+	var encryptInfo *apis.SEncryptInfo
+	if info.Encryption {
+		encryptInfo = &info.EncryptInfo
+	}
+	return disk.CreateFromSnapshotLocation(ctx, input.DiskInfo.SnapshotUrl, int64(input.DiskInfo.DiskSizeMb), encryptInfo)
 }