diff --git a/BWP.B3_YunKen.Web/PluginClass.cs b/BWP.B3_YunKen.Web/PluginClass.cs
index fa5be2e..707d215 100644
--- a/BWP.B3_YunKen.Web/PluginClass.cs
+++ b/BWP.B3_YunKen.Web/PluginClass.cs
@@ -34,6 +34,7 @@ namespace BWP.B3_YunKen.Web
       GlobalFlags.On(B3SaleConsts.Flags.PriceBillOnlySetStandard);
       GlobalFlags.On(B3SaleConsts.Flags.IsYunKen);
       GlobalFlags.On(B3SaleConsts.Flags.SaleForecastEmployeeAndDeptIsReadOnly);
+      GlobalFlags.On(B3SaleConsts.Flags.PriceBillNotUpdateFromLastBill);
       WpfPageFactory.RegisterPageOverlay(typeof(OrderEdit).FullName, typeof(OrderEdit_Ext).FullName);
       WpfPageFactory.RegisterPageOverlay(typeof(SaleOutStoreEdit).FullName, typeof(SaleOutStoreEdit_Ext).FullName);
       WpfPageFactory.RegisterPageOverlay(typeof(SaleForecastEdit).FullName, typeof(SaleForecastEdit_Ext).FullName);