调整工艺路径表字段

MicroServices/Business/Bussiness.Model/Tech/mes_technique.cs

@@ -33,7 +33,6 @@ namespace Bussiness.Model.Tech
         /// <summary>
         /// 效率计算层级
         /// </summary>
-        [Required]
         [Comment("效率计算层级")]
         public int? level { get; set; }