diff --git a/webapp/services/FormulaService.php b/webapp/services/FormulaService.php
index 36069613..f337febb 100644
--- a/webapp/services/FormulaService.php
+++ b/webapp/services/FormulaService.php
@@ -342,7 +342,7 @@ class FormulaService extends BaseService {
                        ROUND(1-($heroTopX/10-1)/9,2) * 0.03  +
                        ROUND(1-($weaponTopX/10-1)/9,2) * 0.02;
         //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'])['rank_order'];    //**************  rankRank 参数表获取 ************
+        $topRanking = mt\Rank::getRankById($userDb['rank'])?mt\Rank::getRankById($userDb['rank'])['rank_order']:0;    //**************  rankRank 参数表获取 ************
         $askedScore = round(1-($topRanking-1)/(10-1),2);
         //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)
         $meta2 = mt\Parameter::getByName('rank_k');