diff --git a/Config/DefaultEngine.ini b/Config/DefaultEngine.ini
index f3f6b2f..87a68f8 100644
--- a/Config/DefaultEngine.ini
+++ b/Config/DefaultEngine.ini
@@ -17,7 +17,7 @@ ManualIPAddress=
 +ActiveGameNameRedirects=(OldGameName="TP_ThirdPerson",NewGameName="/Script/the_twilight_abyss")
 
 [/Script/EngineSettings.GameMapsSettings]
-EditorStartupMap=/Game/Levels/Top_layer_level.Top_layer_level
+EditorStartupMap=/Game/Levels/Build.Build
 LocalMapOptions=
 TransitionMap=None
 bUseSplitscreen=True
@@ -26,7 +26,7 @@ ThreePlayerSplitscreenLayout=FavorTop
 FourPlayerSplitscreenLayout=Grid
 bOffsetPlayerGamepadIds=False
 GameInstanceClass=/Script/Engine.GameInstance
-GameDefaultMap=/Game/Levels/Top_layer_level.Top_layer_level
+GameDefaultMap=/Game/Levels/Build.Build
 ServerDefaultMap=/Engine/Maps/Entry.Entry
 GlobalDefaultGameMode=/Game/Merchant/BP_MerchantGameMode.BP_MerchantGameMode_C
 GlobalDefaultServerGameMode=None
diff --git a/Content/Blueprints/Combat_UI/CombatCharacter.uasset b/Content/Blueprints/Combat_UI/CombatCharacter.uasset
index 29324b2..55b464e 100644
--- a/Content/Blueprints/Combat_UI/CombatCharacter.uasset
+++ b/Content/Blueprints/Combat_UI/CombatCharacter.uasset
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:7d2673298eed6343bc147c6d75e8a64337b739c0d8865aa9647a61087a7957ea
-size 74988
+oid sha256:59e49f5ac21ef2b66e0d6eba22bb309b9a177d9c454e8a78eedc9b40788fe3b7
+size 74399
diff --git a/Content/Levels/Build.umap b/Content/Levels/Build.umap
index 4940ac6..db52709 100644
--- a/Content/Levels/Build.umap
+++ b/Content/Levels/Build.umap
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:ea7b66e46143d7a512c72232e46335a01c27317d268a991d03bb471ee9964729
-size 352887
+oid sha256:ba653b8f9bd4c144ad6b77c4fae077fc8b3e88deb2e982787a647399d2e554e3
+size 354425
diff --git a/Source/the_twilight_abyss/PlayerTemp/TempCharacter.cpp b/Source/the_twilight_abyss/PlayerTemp/TempCharacter.cpp
index 3bca74b..2adb426 100644
--- a/Source/the_twilight_abyss/PlayerTemp/TempCharacter.cpp
+++ b/Source/the_twilight_abyss/PlayerTemp/TempCharacter.cpp
@@ -82,7 +82,7 @@ void ATempCharacter::Sneak()
 		for (AActor* Actor : AIActors)
 		{
 			USphereComponent* SphereComponent = Actor->FindComponentByClass<USphereComponent>();
-			if (SphereComponent != nullptr)
+			if (IsValid(SphereComponent))
 			{
 				SphereComponent->SetSphereRadius(5.0f);
 			}