diff --git a/webapp/controller/ComputingPowerController.class.php b/webapp/controller/ComputingPowerController.class.php
index 65641dce..d453fcb6 100644
--- a/webapp/controller/ComputingPowerController.class.php
+++ b/webapp/controller/ComputingPowerController.class.php
@@ -157,9 +157,9 @@ class ComputingPowerController extends BaseAuthedController
                     $this->_rspErr(1, 'There are no available crystals');
                     return ;
                 }
-                $rate = Parameter::getVal('cec_exchange_rate',10);
+//                $rate = Parameter::getVal('cec_exchange_rate',10);
                 $cecVal = Staking::getStakingTotalValue();
-                $crystalNum = max(0,floor($cecVal / $rate / $paramEd[0]) * $paramEd[1]);
+                $crystalNum = max(0,floor($cecVal  / $paramEd[0]) * $paramEd[1]);
 
             }
         }
diff --git a/webapp/models/Staking.php b/webapp/models/Staking.php
index a01c19d9..71bb4789 100644
--- a/webapp/models/Staking.php
+++ b/webapp/models/Staking.php
@@ -82,7 +82,7 @@ class Staking extends BaseModel {
             $stakingDto = self::toDto($row);
             if ($stakingDto['status'] == self::STAKING_STATUS) {
                 if ($stakingDto['remain_days'] > 0) {
-                    $totalValue += $stakingDto['cec_value'];
+                    $totalValue += $stakingDto['stake_usd_value'];
                 } else {
                 }
             }
@@ -235,7 +235,8 @@ class Staking extends BaseModel {
             'item_id' => $row['item_id'],
             'status' => $row['status'],
             'stacked_num' => $row['stacked_num'],
-            'cec_value' => $stakingMeta['stake_value']
+            'cec_value' => $stakingMeta['stake_value'],
+            'stake_usd_value' => $stakingMeta['stake_usd_value'],
         );
         $passedDays = intval(((myself()->_getNowDaySeconds()) -
                               (myself()->_getDaySeconds($row['start_time']) + 3600 * 24)) /
diff --git a/webapp/services/HashRateService.php b/webapp/services/HashRateService.php
index 17fb7a48..ffb817b4 100644
--- a/webapp/services/HashRateService.php
+++ b/webapp/services/HashRateService.php
@@ -82,16 +82,16 @@ class HashRateService extends BaseService
             case 4 : {
                 //  质压总价值
                 $param = explode(':',$hashRateMeta['parameter']);
-                $rate = Parameter::getVal('cec_exchange_rate',10);
+//                $rate = Parameter::getVal('cec_exchange_rate',10);
                 $cecVal = Staking::getStakingTotalValue();
                 $crystalDto['total'] = array(
-                    'param1' => floatval($cecVal / $rate),
+                    'param1' => floatval($cecVal ),
                 );
                 $recordDb = CrystalRecord::getNewestRecordOne($crystalMeta['id']);
                 if ($recordDb && myself()->_getNowDaySeconds() == myself()->_getDaySeconds($recordDb['createtime'])){
                     $crystalDto['pending'] = 0;
                 }else{
-                    $totalNum = max(0,floor($cecVal / $rate / $param[0]) * $param[1]);
+                    $totalNum = max(0,floor($cecVal  / $param[0]) * $param[1]);
                     $crystalDto['pending'] = intval($totalNum);
                 }
                 $crystalDto['state'] = $crystalDto['pending'] > 0 ? self::RECEIVED_STATE : self::NONE_STATE;