diff --git a/Unlockers/UnlockGameEvents/MU3.Client/patch_PacketGetGameEvent.cs b/Unlockers/UnlockGameEvents/MU3.Client/patch_PacketGetGameEvent.cs
index e348ecd..98fb7cd 100644
--- a/Unlockers/UnlockGameEvents/MU3.Client/patch_PacketGetGameEvent.cs
+++ b/Unlockers/UnlockGameEvents/MU3.Client/patch_PacketGetGameEvent.cs
@@ -22,9 +22,10 @@ class patch_PacketGetGameEvent: Packet {
                         idPeriod.period.endDate = endDate;
                     }
                 } else {
-                    idPeriod = new();
-                    idPeriod.id = eventData.id;
-                    idPeriod.period = new Period(DateTime.MinValue.Date, endDate);
+                    idPeriod = new() {
+                        id = eventData.id,
+                        period = new Period(DateTime.MinValue.Date, endDate)
+                    };
                     _gameEvent.list.Add(idPeriod);
                     _gameEvent.lastUpdate = CustomDateTime.Now;
                 }
diff --git a/Unlockers/UnlockMemoryChapters/MU3.Client/patch_PacketGetUserMemoryChapter.cs b/Unlockers/UnlockMemoryChapters/MU3.Client/patch_PacketGetUserMemoryChapter.cs
index 59f9f26..ec1fa24 100644
--- a/Unlockers/UnlockMemoryChapters/MU3.Client/patch_PacketGetUserMemoryChapter.cs
+++ b/Unlockers/UnlockMemoryChapters/MU3.Client/patch_PacketGetUserMemoryChapter.cs
@@ -13,7 +13,7 @@ class patch_PacketGetUserMemoryChapter: Packet {
         case State.Done: {
                 GetUserMemoryChapterResponse response_ = (query_ as GetUserMemoryChapter).response_;
                 foreach(MemoryChapterData memoryChapterData in SingletonStateMachine<DataManager, DataManager.EState>.instance.allMemoryChapterData) {
-                    UserMemoryChapter userMemoryChapter = Enumerable.FirstOrDefault(response_.userMemoryChapterList, (UserMemoryChapter c) => c.chapterId == memoryChapterData.id);
+                    UserMemoryChapter userMemoryChapter = Enumerable.FirstOrDefault(response_.userMemoryChapterList ?? [], (UserMemoryChapter c) => c.chapterId == memoryChapterData.id);
                     if(userMemoryChapter != null) {
                         User.UserMemoryChapter userMemoryChapter2 = new User.UserMemoryChapter();
                         userMemoryChapter2.copyFrom(userMemoryChapter);