diff --git a/Controller/SCP_PO_CONTROLLER.cs b/Controller/SCP_PO_CONTROLLER.cs
index a4ad30c..74aca72 100644
--- a/Controller/SCP_PO_CONTROLLER.cs
+++ b/Controller/SCP_PO_CONTROLLER.cs
@@ -5803,8 +5803,8 @@ namespace CK.SCP.Controller
                                       BomList1.JsonService bomVersionRe = new BomList1.JsonService();
                                       var _ReturnRelust = bomVersionRe.GetBom(itm.零件号, itm.原材物料号);
                                       var _Bomlist = JsonConvert.DeserializeObject<List<TM_CYJ_BOM>>(_ReturnRelust);
-                                      var _bom = _Bomlist.First();
-                                      maxpodetail.Singlecon = _bom.Qty;
+                                      var _bom = _Bomlist.FirstOrDefault()??null;
+                                      maxpodetail.Singlecon = _bom==null?0: _bom.Qty;
                                       var part = db.TA_PART.FirstOrDefault(t => t.PartCode == itm.原材物料号);
                                       maxpodetail.PoBillNum = maxp.PoBillNum;
                                       maxpodetail.ContractNo = maxp.PoBillNum;
@@ -5812,7 +5812,7 @@ namespace CK.SCP.Controller
                                       maxpodetail.PartCode = itm.原材物料号;
                                       maxpodetail.PartNumber = itm.零件号;
                                       maxpodetail.Texture = part.ProjectId;//材质
-                                      maxpodetail.Model = itm.车型;
+                                      maxpodetail.Model = itm.车型;                
                                       maxpodetail.Finprspec = part.PartDesc2;//规格
                                       maxpodetail.TechStandard = itm.技术标准;
                                       maxpodetail.MinordQty = decimal.Parse(itm.起定量);
@@ -5919,7 +5919,7 @@ namespace CK.SCP.Controller
                                       maxuni.SubSite = maxpodetail.forecastsix;//预测6
                                       maxuni.Site = site;
                                       maxuni.Extend2 = itm.材料厂家;
-                                      maxuni.TaxAmt = _bom.Qty;//单件消耗
+                                      maxuni.TaxAmt = _bom ==null?0:_bom.Qty;//单件消耗
                                       maxuni.ValidDate = DateTime.Now;
                                       maxuni.ErpLineNum = maxpodetail.PoLine;
                                       maxuni.Site = site;