diff --git a/Unity/Assets/Scripts/TH1_Logic/Action/PlayerActionLogic.cs b/Unity/Assets/Scripts/TH1_Logic/Action/PlayerActionLogic.cs
index 783eea553..4f7c40f15 100644
--- a/Unity/Assets/Scripts/TH1_Logic/Action/PlayerActionLogic.cs
+++ b/Unity/Assets/Scripts/TH1_Logic/Action/PlayerActionLogic.cs
@@ -558,7 +558,8 @@ namespace TH1_Logic.Action
         {
              var player = actionParams.PlayerData;
             var heroD = player.PlayerHeroData;
-            var cost = heroD.GetHeroFinishTaskCost(_actionId.GiantType);
+            player.GetHeroCostDiscount(actionParams.MapData, out var discount);
+            var cost = heroD.GetHeroFinishTaskCost(_actionId.GiantType, discount);
             var can = heroD.ForceFinishHeroTask(_actionId.GiantType);
             if (can)
             {
@@ -590,7 +591,8 @@ namespace TH1_Logic.Action
             //Step #4 如果是玩家，检查文化值是否够
             if (actionParams.PlayerData == actionParams.MapData.PlayerMap.SelfPlayerData)
             {
-                var cost = heroD.GetHeroFinishTaskCost(_actionId.GiantType);
+                player.GetHeroCostDiscount(actionParams.MapData, out var discount);
+                var cost = heroD.GetHeroFinishTaskCost(_actionId.GiantType, discount);
                 if (cost > actionParams.PlayerData.PlayerCultureInfo.PlayerCulture)
                     return false;
             }