diff --git a/webapp/controller/StakingController.class.php b/webapp/controller/StakingController.class.php
index 28de23a2..b7c8d83f 100644
--- a/webapp/controller/StakingController.class.php
+++ b/webapp/controller/StakingController.class.php
@@ -159,6 +159,7 @@ class StakingController extends BaseAuthedController {
         }
         $nftValue = 0;
         $items = array();
+        $lastTimeArr = null;
         foreach ($confirmedNfts as $nft) {
             $stakingMeta = mt\Staking::get($nft['item_id']);
             if (!$stakingMeta) {
@@ -166,6 +167,23 @@ class StakingController extends BaseAuthedController {
                 return;
             }
             $nftValue += $stakingMeta['stake_value'];
+            if ($lastTimeArr) {
+                if (count($lastTimeArr) != count($stakingMeta['stake_time_arr'])) {
+                    myself()->_rspErr(5, 'config error');
+                    return;
+                }
+                for ($i = 0; $i < count($lastTimeArr); ++$i) {
+                    if ($lastTimeArr[$i] != $stakingMeta['stake_time_arr'][$i]) {
+                        myself()->_rspErr(5, 'config error');
+                        return;
+                    }
+                }
+            }
+            $lastTimeArr = $stakingMeta['stake_time_arr'];
+            array_push(
+                $items,
+                $lastTimeArr
+            );
         }
         myself()->_rspData(array(
             'nft_value' => $nftValue,