广电卡数据读取逻辑修改，通过机具号判断

AppStart/Helper/SycnSpServer/SycnSpTradeService.cs

@@ -643,8 +643,8 @@ namespace MySystem
                         bool op = true;
                         if (op)
                         {
-                            PxcModels.MachineForMerNo posFor = db.MachineForMerNo.FirstOrDefault(m => m.MerNo == trade.MerNo) ?? new PxcModels.MachineForMerNo();
-                            PxcModels.PosMachinesTwo pos = db.PosMachinesTwo.FirstOrDefault(m => m.Id == posFor.SnId);
+                            // PxcModels.MachineForMerNo posFor = db.MachineForMerNo.FirstOrDefault(m => m.MerNo == trade.MerNo) ?? new PxcModels.MachineForMerNo();
+                            PxcModels.PosMachinesTwo pos = db.PosMachinesTwo.FirstOrDefault(m => m.PosSn == trade.TradeSnNo);
                             if (pos != null)
                             {
                                 PxcModels.KqProducts brand = db.KqProducts.FirstOrDefault(m => m.Id == pos.BrandId) ?? new PxcModels.KqProducts();