diff --git a/webapp/controller/StakingController.class.php b/webapp/controller/StakingController.class.php
index 85ff435f..086cef19 100644
--- a/webapp/controller/StakingController.class.php
+++ b/webapp/controller/StakingController.class.php
@@ -107,6 +107,11 @@ class StakingController extends BaseAuthedController {
         ));
     }
 
+    public function redeemPreview()
+    {
+        $transId = getReqVal('trans_id', 0);
+    }
+
     private function isTypeNft($type, $dbInfo)
     {
         switch ($type) {
diff --git a/webapp/models/Staking.php b/webapp/models/Staking.php
index 225e250b..fe154ffc 100644
--- a/webapp/models/Staking.php
+++ b/webapp/models/Staking.php
@@ -183,6 +183,7 @@ class Staking extends BaseModel {
     {
         $stakingMeta = mt\Staking::get($row['item_id']);
         $dto = array(
+            'trans_id' => $row['idx'],
             'token_id' => $row['token_id'],
             'token_type' => $row['token_type'],
             'contract_address' => $row['contract_address'],