diff --git a/SalesPacking_MES_API_Project/mainForm.vb b/SalesPacking_MES_API_Project/mainForm.vb
index 7de6ba9..7782886 100644
--- a/SalesPacking_MES_API_Project/mainForm.vb
+++ b/SalesPacking_MES_API_Project/mainForm.vb
@@ -2037,7 +2037,9 @@ Public Class mainForm
             End Select
         End If
 
-        DBCmd = "SELECT COUNT(" & commandStr & ") FROM " & applySalesDB & " WHERE " & commandStr & " LIKE '%" & playCode & "%'"
+        DBCmd = "SELECT COUNT(" & commandStr & ") FROM " & applySalesDB &
+                " WHERE " & commandStr & " LIKE '%" & playCode & "%'" &
+                " AND PackingCode NOT LIKE 'null_%'"
 
         If DBQueryScalar(DBCmd) > "0" Or DBQueryScalar(DBCmd) = "False" Then
             If rdbMode2.Checked = True And rdbAuto1.Created = True Then