diff --git a/GameServer/Game/Mission/MissionManager.cs b/GameServer/Game/Mission/MissionManager.cs
index 7db67bac..e8ed06a0 100644
--- a/GameServer/Game/Mission/MissionManager.cs
+++ b/GameServer/Game/Mission/MissionManager.cs
@@ -413,7 +413,8 @@ public class MissionManager : BasePlayerManager
         foreach (var quest in Player.QuestManager?.GetRunningQuest() ?? [])
         {
             var excel = GameData.QuestDataData[quest.QuestId];
-            var finishWay = GameData.FinishWayData[excel.FinishWayID];
+            var finishWay = GameData.FinishWayData.GetValueOrDefault(excel.FinishWayID);
+            if (finishWay == null) continue;
             if (finishWay.FinishType == finishType)
                 if (handler != null)
                     await handler.HandleQuestFinishType(Player, excel, finishWay, arg);
@@ -437,7 +438,8 @@ public class MissionManager : BasePlayerManager
         foreach (var quest in Player.QuestManager?.GetRunningQuest() ?? [])
         {
             var excel = GameData.QuestDataData[quest.QuestId];
-            var finishWay = GameData.FinishWayData[excel.FinishWayID];
+            var finishWay = GameData.FinishWayData.GetValueOrDefault(excel.FinishWayID);
+            if (finishWay == null) continue;
             if (finishWay.FinishType == MissionFinishTypeEnum.Talk)
                 if (finishWay.ParamStr1 == talkString)
                     await Player.QuestManager!.FinishQuest(quest.QuestId);