diff --git a/popcorn/Assets/MyGame/Scripts/SpreadsheetData.cs b/popcorn/Assets/MyGame/Scripts/SpreadsheetData.cs
index 6eff2b29..52d94329 100644
--- a/popcorn/Assets/MyGame/Scripts/SpreadsheetData.cs
+++ b/popcorn/Assets/MyGame/Scripts/SpreadsheetData.cs
@@ -562,8 +562,8 @@ public sealed class ScrollGameStageData
     public int length;
     public ScrollGameDifficulty Difficulty => (ScrollGameDifficulty)difficulty;
 
-    private string[] BeginPrefabName => beginPrefabName.Split(',');
-    private string[] RandomPrefabName => randomPrefabName.Split(',');
+    private string[] BeginPrefabName => beginPrefabName?.Split(',') ?? Array.Empty<string>();
+    private string[] RandomPrefabName => randomPrefabName?.Split(',') ?? Array.Empty<string>();
     public Transform[] GetBeginStagePrefabs()
     {
         return BeginPrefabName.Select(x => Resources.Load<Transform>($"ScrollGame/Stages/Stage{x}")).ToArray();