diff --git a/B3_DongFangWanQi.Web/Pages/B3_DongFangWanQi/Tools/SaleOrderUpdateEdit.cs b/B3_DongFangWanQi.Web/Pages/B3_DongFangWanQi/Tools/SaleOrderUpdateEdit.cs
index b6ab12b..afb7211 100644
--- a/B3_DongFangWanQi.Web/Pages/B3_DongFangWanQi/Tools/SaleOrderUpdateEdit.cs
+++ b/B3_DongFangWanQi.Web/Pages/B3_DongFangWanQi/Tools/SaleOrderUpdateEdit.cs
@@ -520,7 +520,8 @@ namespace BWP.Web.Pages.B3_DongFangWanQi.Tools {
       var query = new DQueryDom(join);
       query.Columns.Add(DQSelectColumn.Sum("Number"));
       query.Where.Conditions.Add(DQCondition.InList(DQExpression.Field("Goods_ID"), details.Select(x=>DQExpression.Value(x.SaleGoods_ID)).ToArray()));
-     return query.EExecuteScalar<Money<decimal>>().ToString();
+      var dd = query.EExecuteScalar<Money<decimal>?>();
+      return dd == null ? "0":dd.ToString();
     }
 
     [DFClass, Serializable]