diff --git a/api/app/lib/utils/dataRange.js b/api/app/lib/utils/dataRange.js
index eeea418..ec580f1 100644
--- a/api/app/lib/utils/dataRange.js
+++ b/api/app/lib/utils/dataRange.js
@@ -85,7 +85,8 @@ module.exports = function (app, opts) {
             ).toPromise() :
             []
 
-         return [...new Set(...undelStrucRes.map(s => s.strucId))]
+         const undelStrucIds = [...new Set(...undelStrucRes.map(s => s.strucId))]
+         return {}
       } catch (error) {
          ctx.fs.logger.error(`path: ${ctx.path}, error: ${error}`);
       }