diff --git a/pkg/apis/compute/snapshot.go b/pkg/apis/compute/snapshot.go
index 5321647817..9846a1685d 100644
--- a/pkg/apis/compute/snapshot.go
+++ b/pkg/apis/compute/snapshot.go
@@ -19,13 +19,13 @@ import "yunion.io/x/onecloud/pkg/apis"
 type SnapshotCreateInput struct {
 	apis.VirtualResourceCreateInput
 
-	// 磁盘名称或Id,建议使用Id
+	// 磁盘Id
 	// 目前仅VMware平台不支持创建快照,其余平台磁盘均支持创建快照
 	// required: true
-	Disk string `json:"disk"`
-	// swagger:ignore
 	DiskId string `json:"disk_id"`
 	// swagger:ignore
+	Disk string `json:"disk" yunion-deprecated-by:"disk_id"`
+	// swagger:ignore
 	StorageId string `json:"storage_id"`
 	// swagger:ignore
 	CreatedBy string `json:"created_by"`
diff --git a/pkg/compute/models/snapshots.go b/pkg/compute/models/snapshots.go
index dc1cedaf83..07f877443e 100644
--- a/pkg/compute/models/snapshots.go
+++ b/pkg/compute/models/snapshots.go
@@ -33,6 +33,7 @@ import (
 	"yunion.io/x/onecloud/pkg/cloudcommon/db/lockman"
 	"yunion.io/x/onecloud/pkg/cloudcommon/db/quotas"
 	"yunion.io/x/onecloud/pkg/cloudcommon/db/taskman"
+	"yunion.io/x/onecloud/pkg/cloudcommon/validators"
 	"yunion.io/x/onecloud/pkg/cloudprovider"
 	"yunion.io/x/onecloud/pkg/compute/options"
 	"yunion.io/x/onecloud/pkg/httperrors"
@@ -341,26 +342,19 @@ func (manager *SSnapshotManager) ValidateCreateData(
 	ownerId mcclient.IIdentityProvider,
 	query jsonutils.JSONObject,
 	input api.SnapshotCreateInput,
-) (*jsonutils.JSONDict, error) {
-	for _, disk := range []string{input.Disk, input.DiskId} {
-		if len(disk) > 0 {
-			input.Disk = disk
-			break
-		}
+) (api.SnapshotCreateInput, error) {
+	if len(input.DiskId) == 0 {
+		return input, httperrors.NewMissingParameterError("disk_id")
 	}
-	if len(input.Disk) == 0 {
-		return nil, httperrors.NewMissingParameterError("disk")
+	_disk, err := validators.ValidateModel(userCred, DiskManager, &input.DiskId)
+	if err != nil {
+		return input, err
 	}
 
-	_disk, err := DiskManager.FetchByIdOrName(userCred, input.Disk)
-	if err != nil {
-		if err == sql.ErrNoRows {
-			return nil, httperrors.NewResourceNotFoundError("failed to found disk %s", input.Disk)
-		}
-		return nil, httperrors.NewGeneralError(errors.Wrap(err, "DiskManager.FetchByIdOrName"))
-	}
 	disk := _disk.(*SDisk)
-	input.DiskId = disk.Id
+	if disk.Status != api.DISK_READY {
+		return input, httperrors.NewInvalidStatusError("disk %s status is not %s", disk.Name, api.DISK_READY)
+	}
 	input.DiskType = disk.DiskType
 	input.Size = disk.DiskSize
 	input.OsArch = disk.OsArch
@@ -372,38 +366,38 @@ func (manager *SSnapshotManager) ValidateCreateData(
 	input.ManagerId = storage.ManagerId
 	region := storage.GetRegion()
 	if region == nil {
-		return nil, httperrors.NewInputParameterError("failed to found region for disk's storage %s(%s)", storage.Name, storage.Id)
+		return input, httperrors.NewInputParameterError("failed to found region for disk's storage %s(%s)", storage.Name, storage.Id)
 	}
 	input.CloudregionId = region.Id
 
 	driver, err := storage.GetRegionDriver()
 	if err != nil {
-		return nil, errors.Wrap(err, "storage.GetRegionDriver")
+		return input, errors.Wrap(err, "storage.GetRegionDriver")
 	}
 	input.OutOfChain = driver.SnapshotIsOutOfChain(disk)
 
 	err = driver.ValidateCreateSnapshotData(ctx, userCred, disk, storage, &input)
 	if err != nil {
-		return nil, errors.Wrap(err, "driver.ValidateCreateSnapshotData")
+		return input, errors.Wrap(err, "driver.ValidateCreateSnapshotData")
 	}
 
 	input.VirtualResourceCreateInput, err = manager.SVirtualResourceBaseManager.ValidateCreateData(ctx, userCred, ownerId, query, input.VirtualResourceCreateInput)
 	if err != nil {
-		return nil, err
+		return input, err
 	}
 
 	pendingUsage := &SRegionQuota{Snapshot: 1}
 	keys, err := disk.GetQuotaKeys()
 	if err != nil {
-		return nil, err
+		return input, err
 	}
 	pendingUsage.SetKeys(keys.(SComputeResourceKeys).SRegionalCloudResourceKeys)
 	err = quotas.CheckSetPendingQuota(ctx, userCred, pendingUsage)
 	if err != nil {
-		return nil, err
+		return input, err
 	}
 
-	return input.JSON(input), nil
+	return input, nil
 }
 
 func (self *SSnapshot) CustomizeCreate(ctx context.Context, userCred mcclient.TokenCredential, ownerId mcclient.IIdentityProvider, query jsonutils.JSONObject, data jsonutils.JSONObject) error {