长周期考虑安全库存，周生产计划考虑生产批量

MicroServices/Business/Business.Domain/StructuredDB/MES/IC/ItemMaster.cs

@@ -43,7 +43,7 @@ namespace Business.Domain
         /// 安全库存
         /// </summary>
         [Comment("安全库存")]
-        public decimal? SafetyStk { get; set; }
+        public decimal SafetyStk { get; set; }
 
         /// <summary>
         /// 状态：C为不可用状态
@@ -69,8 +69,8 @@ namespace Business.Domain
         public decimal? Height { get; set; }
         public bool LotSerialControl { get; set; }
         public string DefaultShelf { get; set; }
-        public decimal? MaxOrd { get; set; }
-        public decimal? MinOrd { get; set; }
+        public decimal MaxOrd { get; set; }
+        public decimal MinOrd { get; set; }
         /// <summary>
         /// 前处理天数
         /// </summary>