diff --git a/webapp/controller/ComputingPowerController.class.php b/webapp/controller/ComputingPowerController.class.php
index 2bcbe1e3..d0240ffe 100644
--- a/webapp/controller/ComputingPowerController.class.php
+++ b/webapp/controller/ComputingPowerController.class.php
@@ -73,7 +73,7 @@ class ComputingPowerController extends BaseAuthedController
             $last_period['period_begin'] = strtotime($lastMeta['start_time']);
             $last_period['period_end'] = strtotime($lastMeta['end_time']);
             $cecDb = RewardsCec::findByAccount(myself()->_getAccountId(),$lastMeta['id']);
-            $last_period['reward'] = $cecDb['reward_cec'];
+            $last_period['reward'] = $cecDb ? $cecDb['reward_cec'] : 0;
         }
 
 
diff --git a/webapp/services/FormulaService.php b/webapp/services/FormulaService.php
index d941ef42..fb9e6a4d 100644
--- a/webapp/services/FormulaService.php
+++ b/webapp/services/FormulaService.php
@@ -348,15 +348,18 @@ class FormulaService extends BaseService {
         //表现分=f(个人存活时间排名TopX/4)*50%+f(队伍排名TopY)*50%      f(TopX) = ROUND(1-(X-1)/9,2)
         $expreScore = (ROUND(1-($ranked/4-1)/9,2))*0.5+ROUND(1-($teamRank-1)/9,2)*0.5;
 
+        $rankMeta = mt\Rank::getRankById($userDb['rank']);
         //不同段位的及格分 = ROUND(1-(大段位排名-1)/(MAX(10)-1),2)
-        $topRanking = mt\Rank::getRankById($userDb['rank'])?mt\Rank::getRankById($userDb['rank'])['rank_order']:0;    //**************  rankRank 参数表获取 ************
+        $topRanking = $rankMeta['rank_order'];    //**************  rankRank 参数表获取 ************
         $rankPint = mt\Parameter::getVal('rank_pass_point',0);              //**************  parameter 参数表获取 ************
         $rankPintArr = explode('|',$rankPint);
         $askedScore = $rankPintArr[$topRanking-1];
         //一个玩家的赛后积分 = 赛前积分+K*(胜负率-总胜率)+2K*(表现分-段位要求的及格分)
-        //一个玩家的赛后积分 = 赛前积分+K/2*(MAX(胜负率-总胜率,0))+K*(表现分-段位要求的及格分)   新
-        $K = mt\Parameter::getVal('rank_k',40);        //**************  parameter 参数表获取 ************
-        $battleAfterScore = $userDb['score'] + $K/2 * max(($winRate-$winRateSum),0) + ($K) * ($expreScore-$askedScore);
+        //一个玩家的赛后积分 = 赛前积分+K/2*(MAX(胜负率-总胜率,0))+K*(表现分-段位要求的及格分)
+        //一个玩家的赛后积分 = 赛前积分+K/2*(MAX(胜负率-0.5,0))+K/2*(表现分-段位要求的及格分)   新
+        $kArr = explode('|',mt\Parameter::getVal('rank_k',0));  //**************  parameter 参数表获取 ************
+        $K = $kArr[$rankMeta['rank_order2']-1];
+        $battleAfterScore = $userDb['score'] + $K/2 * max(($winRate-0.5),0) + ($K/2) * ($expreScore-$askedScore);
         return round($battleAfterScore);
     }
 
@@ -368,7 +371,9 @@ class FormulaService extends BaseService {
         $winRate = 1-($ranked-1)/($maxRanked-1);
         //总胜率=70%*P(个人ELO值-敌队平均ELO值)+30%*P(己队平均ELO值-敌队平均ELO值)  -->  P(D)=1/(1+10^(-D/400))
         $winRateSum = $winningPro;
-        $K = mt\Parameter::getVal('rank_k',40);         //**************  parameter 参数表获取 ************
+        $kArr = explode('|',mt\Parameter::getVal('rank_k',0));  //**************  parameter 参数表获取 ************
+        $rankMeta = mt\Rank::getRankById($userDb['rank']);
+        $K = $kArr[$rankMeta['rank_order2']-1];
         return round(max($userDb['elo']+$K*($winRate-$winRateSum),150));
     }