BUG修改，

MicroServices/Business/Business.Application/ResourceExamineManagement/ProductionScheduleAppService.cs

@@ -472,7 +472,7 @@ namespace Business.ResourceExamineManagement
                     }
                     continue;
                 }
-                var curRoutings = workOrdRoutings.Where(p => p.ItemNum == item.ItemNum && p.MilestoneOp).OrderBy(p=>p.OP).Select(p=>p.OP).ToList();
+                var curRoutings = workOrdRoutings.Where(p => p.ItemNum == item.ItemNum && p.MilestoneOp).OrderBy(p=>p.OP).Select(p=>p.OP).Distinct().ToList();
                 //判断当前工单主产线是否设置了关键工序
                 if (!curRoutings.Any())//当前工单没有维护关键工序
                 {