diff --git a/lua/app/ui/activity/act_boss_rush/cell/rank_reward_cell.lua b/lua/app/ui/activity/act_boss_rush/cell/rank_reward_cell.lua
index c0512b3b..27d5a6a8 100644
--- a/lua/app/ui/activity/act_boss_rush/cell/rank_reward_cell.lua
+++ b/lua/app/ui/activity/act_boss_rush/cell/rank_reward_cell.lua
@@ -10,7 +10,7 @@ function RankRewardcell:refresh(ranking1, ranking2, rewards, totalIndex)
         rankStr = rankStr .. "-"
     end
     if self:getIndex() == totalIndex then
-        rankStr = (ranking1 - 1) .. "+"
+        rankStr = ranking1 .. "+"
     end
     uiMap["rank_reward_cell.bg.tx_rank"]:setText(I18N:getGlobalText(I18N.GlobalConst.ACT_BOSS_RUSH_DESC_23, rankStr))
     if not self.rewardCells then