diff --git a/webapp/controller/ComputingPowerController.class.php b/webapp/controller/ComputingPowerController.class.php
index 81f31566..e9b2b197 100644
--- a/webapp/controller/ComputingPowerController.class.php
+++ b/webapp/controller/ComputingPowerController.class.php
@@ -37,8 +37,13 @@ class ComputingPowerController extends BaseAuthedController
             "cec" => 0,
             "point" => 0,
         );
+        $last_period = array(
+            "period_begin" => 0,
+            "period_end" => 0,
+            "reward" => 0,
+        );
 
-        $lastMeta = \mt\HashRateCommon::getLastPeriod();
+            $lastMeta = \mt\HashRateCommon::getLastPeriod();
         $currentMeta = \mt\HashRateCommon::getCurrentPeriod();
         $nextMeta = \mt\HashRateCommon::getNextPeriod();
         if (!$currentMeta && $lastMeta){
@@ -80,12 +85,22 @@ class ComputingPowerController extends BaseAuthedController
             $reward['point'] =  $ownerNum;
         }
 
+        if ($lastMeta){
+            $last_period['period_begin'] = strtotime($lastMeta['start_time']);
+            $last_period['period_end'] = strtotime($lastMeta['end_time']);
+            $cecDb = RewardsCec::findByAccount(myself()->_getAccountId(),$lastMeta['id']);
+            $last_period['reward'] = $cecDb ? $cecDb['reward_cec'] : 0;
+            $last_period['last_hash_rate'] =  ComputingPower::getOwnedBH($lastMeta['id']);
+        }
+
+
 
 
         $info = array(
             'period_state' => $period_state,
             'curr_period' => $curr_period,
             'curr_reward' => $reward,
+            'last_period' => $last_period,
             'listing_state' => LISTING_SWITCH,
             'owned_cec' => RewardsCec::getTotalCecNum(),
             'owned_total_hash_rate' =>ComputingPower::getMyTotalBH(),