diff --git a/DM_Weight/ViewModels/CheckOrderNewWindowViewModel.cs b/DM_Weight/ViewModels/CheckOrderNewWindowViewModel.cs
index 355a7a4..4cc834e 100644
--- a/DM_Weight/ViewModels/CheckOrderNewWindowViewModel.cs
+++ b/DM_Weight/ViewModels/CheckOrderNewWindowViewModel.cs
@@ -552,7 +552,8 @@ namespace DM_Weight.ViewModels
                                                     && cs.ManuNo == oi._OrderDetail.SetManuNo
                                                    // && cs.EffDate == oi._OrderDetail.SetEffDate
                                                     && cs.MachineId.Equals(ConfigurationManager.AppSettings["machineId"] ?? "DM5")
-                                                    && cs.DrawerNo == drawerNo).First();
+                                                    && cs.DrawerNo == drawerNo
+                                                    &&cs.Quantity>=oi._OrderDetail.Quantity).First();
                             if (cs == null)
                             {
                                 empChannelStock += $"{oi.OrderNo},{oi._OrderDetail.DrugId},{oi._OrderDetail.SetManuNo},{oi._OrderDetail.SetEffDate};";