diff --git a/DM_Weight/ViewModels/DrawerAddDrugWindowViewModel.cs b/DM_Weight/ViewModels/DrawerAddDrugWindowViewModel.cs
index fc76775..453a82d 100644
--- a/DM_Weight/ViewModels/DrawerAddDrugWindowViewModel.cs
+++ b/DM_Weight/ViewModels/DrawerAddDrugWindowViewModel.cs
@@ -448,6 +448,10 @@ namespace DM_Weight.ViewModels
                .Where(cs => cs.DrugId != null)
                .OrderBy(cs => cs.ColNo)
                .ToList();
+            if (queryData != null && queryData.Count > 0)
+            {
+                OpenBoxVisibility = queryData[0].BoardType == 3 ? true : queryData[0].BoardType == 35 ? true : false;
+            }
             ChannelStocks = queryData.Select(cs =>
             {
                 cs.drugManuNo = cs.DrugInfo.DrugManuNos.Find(it => it.ManuNo.Equals(cs.ManuNo));
diff --git a/DM_Weight/ViewModels/DrawerTakeDrugWindowViewModel.cs b/DM_Weight/ViewModels/DrawerTakeDrugWindowViewModel.cs
index 5427c0e..5ca8645 100644
--- a/DM_Weight/ViewModels/DrawerTakeDrugWindowViewModel.cs
+++ b/DM_Weight/ViewModels/DrawerTakeDrugWindowViewModel.cs
@@ -451,7 +451,10 @@ namespace DM_Weight.ViewModels
                 .OrderBy(cs => cs.ColNo)
                 .ToList();
 
-            OpenBoxVisibility = queryData[0].BoardType == 3 ? true : queryData[0].BoardType == 35 ? true : false ;
+            if (queryData != null && queryData.Count > 0)
+            {
+                OpenBoxVisibility = queryData[0].BoardType == 3 ? true : queryData[0].BoardType == 35 ? true : false;
+            }
             ChannelStocks = queryData;
         }