diff --git a/webapp/controller/StakingController.class.php b/webapp/controller/StakingController.class.php
index 80bcea58..c77b370d 100644
--- a/webapp/controller/StakingController.class.php
+++ b/webapp/controller/StakingController.class.php
@@ -110,6 +110,19 @@ class StakingController extends BaseAuthedController {
     public function redeemPreview()
     {
         $transId = getReqVal('trans_id', 0);
+        $rows = Staking::all(myself()->_getAddress());
+        $cegRewards = '0';
+        foreach ($rows as $row) {
+            $stakingDto = Staking::toDto($row);
+            if ($stakingDto && $stakingDto['trans_id'] == $transId) {
+                if ($stakingDto['trans_id']) {
+
+                }
+            }
+        }
+        myself()->_rspData(array(
+            'ceg_rewards' => $cegRewards
+        ));
     }
 
     public function stakingPreview()