diff --git a/DM_Weight/ViewModels/InvoiceAddDialogViewModel.cs b/DM_Weight/ViewModels/InvoiceAddDialogViewModel.cs
index 798ccc7..6d72fa3 100644
--- a/DM_Weight/ViewModels/InvoiceAddDialogViewModel.cs
+++ b/DM_Weight/ViewModels/InvoiceAddDialogViewModel.cs
@@ -302,6 +302,9 @@ namespace DM_Weight.ViewModels
                             {
                                 accountBookG2Day.ManuStock = accountBookG2Day.ManuStock + it.AddQuantity;
                                 accountBookG2Day.AddQuantity = accountBookG2Day.AddQuantity + it.AddQuantity;
+                                //负数直接记0
+                                accountBookG2Day.TotalStock = (accountBookEmpty != null ? (accountBookEmpty.TotalStock > 0 && accountBookEmpty.TotalStock > it.AddQuantity ? accountBookEmpty.TotalStock - it.AddQuantity : 0) : 0);
+                                
                                 SqlSugarHelper.Db.Updateable(accountBookG2Day).ExecuteCommand();
                                 manuStock= accountBookG2Day.ManuStock;
                             }