diff --git a/pkg/compute/models/guests.go b/pkg/compute/models/guests.go
index 1afa29f811..8ce64e1970 100644
--- a/pkg/compute/models/guests.go
+++ b/pkg/compute/models/guests.go
@@ -1848,7 +1848,7 @@ func (manager *SGuestManager) validateCreateData(
 			input.Machine = api.VM_MACHINE_TYPE_Q35
 		}
 
-		if imageDiskFormat != "iso" {
+		if imageDiskFormat != imageapi.IMAGE_DISK_FORMAT_ISO {
 			var imgSupportUEFI *bool
 			var imgSupportBIOS *bool
 			if desc, ok := imgProperties[imageapi.IMAGE_UEFI_SUPPORT]; ok {
@@ -1886,6 +1886,15 @@ func (manager *SGuestManager) validateCreateData(
 					input.Bios = "BIOS"
 				}
 			}
+		} else {
+			if input.Bios == "" {
+				// if ISO support uefi and not specified boot mode
+				// set default boot mode uefi
+				if desc, ok := imgProperties[imageapi.IMAGE_UEFI_SUPPORT]; ok && desc == "true" {
+					input.Bios = "UEFI"
+				}
+			}
+
 		}
 
 		if len(imgProperties) == 0 {
diff --git a/pkg/image/models/image_ceph_cache_storages.go b/pkg/image/models/image_ceph_cache_storages.go
index 9b2e7f1c34..0e2e09e6fb 100644
--- a/pkg/image/models/image_ceph_cache_storages.go
+++ b/pkg/image/models/image_ceph_cache_storages.go
@@ -32,8 +32,9 @@ func GetRegionCephStorages() (map[string]*computeapi.RbdStorageConf, error) {
 	q := struct {
 		Scope       string `json:"scope"`
 		StorageType string `json:"storage_type"`
+		Brand       string `json:"brand"`
 	}{
-		"system", computeapi.STORAGE_RBD,
+		"system", computeapi.STORAGE_RBD, computeapi.ONECLOUD_BRAND_ONECLOUD,
 	}
 
 	res, err := compute.Storages.List(auth.GetAdminSession(context.Background(), options.Options.Region), jsonutils.Marshal(q))