diff --git a/src/controllers/nft.controller.ts b/src/controllers/nft.controller.ts
index 8d6f73d..31ea429 100644
--- a/src/controllers/nft.controller.ts
+++ b/src/controllers/nft.controller.ts
@@ -78,10 +78,16 @@ class NftController extends BaseController {
     })
     if (user) {
       let records = await NFTHolderRecord.find({ user: user.id })
-      let recordSet = new Set(records.map(o => o.contract.toLowerCase()))
-      let groupSet = new Set(records.map(o => o.group))
+      let recordSet = new Set()
+      let groupSet = new Set()
+      for (let record of records) {
+        recordSet.add(record.contract.toLowerCase())
+        if (record.group) {
+          groupSet.add(record.group)
+        }
+      }
       for (let sub of list) {
-        list.status = recordSet.has(sub.contract.toLowerCase()) || groupSet.has(sub.group) ? 1 : 0
+        sub.status = recordSet.has(sub.contract.toLowerCase()) || groupSet.has(sub.group) ? 1 : 0
       }
     }
     return list