diff --git a/lua/app/userdata/activity/act_boss_rush/act_boss_rush_data.lua b/lua/app/userdata/activity/act_boss_rush/act_boss_rush_data.lua
index 46f47a7f..c2cfd6e2 100644
--- a/lua/app/userdata/activity/act_boss_rush/act_boss_rush_data.lua
+++ b/lua/app/userdata/activity/act_boss_rush/act_boss_rush_data.lua
@@ -154,7 +154,10 @@ function ActBossRushData:getTodayFightCount()
 end
 
 function ActBossRushData:getFreeFightLimit()
-    return 1
+    if not self.freeFightLimit then
+        self.freeFightLimit = GFunc.getConstIntValue("activity_boss_rush_time") or 1
+    end
+    return self.freeFightLimit
 end
 
 function ActBossRushData:getFreeFightCount()
@@ -170,11 +173,16 @@ function ActBossRushData:getFightFree()
 end
 
 function ActBossRushData:getFightCost()
+    if not self.fightCostOrigin then
+        self.fightCostOrigin = GFunc.getRewardNum(GFunc.getConstReward("activity_boss_rush_cost"))
+        self.fightCostAdd = GFunc.getRewardNum(GFunc.getConstReward("activity_boss_rush_costadd"))
+    end
     local count = self.todayFightCount - self:getFreeFightLimit()
     if count <= 0 then
-        return 0
+        return self.fightCostOrigin
     end
-    return count * 20 -- 每次增加20
+
+    return self.fightCostOrigin + self.fightCostAdd * count
 end