diff --git a/packages/plugins/@nocobase/plugin-backup-restore/src/server/dumper.ts b/packages/plugins/@nocobase/plugin-backup-restore/src/server/dumper.ts
index d431dfb648..ebe1192866 100644
--- a/packages/plugins/@nocobase/plugin-backup-restore/src/server/dumper.ts
+++ b/packages/plugins/@nocobase/plugin-backup-restore/src/server/dumper.ts
@@ -165,7 +165,13 @@ export class Dumper extends AppMigrator {
   }
 
   backUpStorageDir() {
-    return path.resolve(process.cwd(), 'storage', 'backups');
+    const paths = [process.cwd(), 'storage', 'backups'];
+
+    if (this.app.name !== 'main') {
+      paths.push(this.app.name);
+    }
+
+    return path.resolve(...paths);
   }
 
   async allBackUpFilePaths(options?: { includeInProgress?: boolean; dir?: string }) {