diff --git a/0_Framework/Domain/CustomizeCheckoutShared/Base/BaseCustomizeEntity.cs b/0_Framework/Domain/CustomizeCheckoutShared/Base/BaseCustomizeEntity.cs
index a8522d14..13eae1f7 100644
--- a/0_Framework/Domain/CustomizeCheckoutShared/Base/BaseCustomizeEntity.cs
+++ b/0_Framework/Domain/CustomizeCheckoutShared/Base/BaseCustomizeEntity.cs
@@ -119,7 +119,7 @@ public class BaseCustomizeEntity : EntityBase
 
 	public BreakTime BreakTime { get; protected set; }
 
-	public List<WeeklyOffDay> WeeklyOffDays { get; set; }
+    public List<WeeklyOffDay> WeeklyOffDays { get; set; } = [];
 
 	public void FridayWorkToWeeklyDayOfWeek()
 	{