diff --git a/frameworks/native/backup_ext/ani/ets/@ohos.application.BackupExtensionAbility.ets b/frameworks/native/backup_ext/ani/ets/@ohos.application.BackupExtensionAbility.ets
index aeafebc7304d2d63b823f835ba3c4e8400a298ac..5bdcb74677ada5432e7732432638db0f46d31921 100644
--- a/frameworks/native/backup_ext/ani/ets/@ohos.application.BackupExtensionAbility.ets
+++ b/frameworks/native/backup_ext/ani/ets/@ohos.application.BackupExtensionAbility.ets
@@ -21,7 +21,7 @@ export interface BundleVersion {
 
 class BundleVersionInner extends BundleVersion {
     public code: number;
-    public name: string;
+    public name: string = '';
 }
 
 export default class BackupExtensionAbility {