增加了初始数据处理

src/BarCode.Web.Domain/Entitys/SerialNumbers.cs

@@ -56,7 +56,7 @@ namespace BarCode.Web.Domain.Entitys
         ///当次序号，用来记录当次所产生时所处的序列号
         /// </summary>
         [Column("thisNumber")]
-        public int thisNumber { get; set; } = 1;
+        public int? thisNumber { get; set; } = 1;
 
         /// <summary>
         /// 序列号
@@ -210,6 +210,18 @@ namespace BarCode.Web.Domain.Entitys
             this.SuitNumber = sn;
 
         }
+
+        /// <summary>
+        /// 设置thisNumber
+        /// </summary>
+        /// <param name="sn"></param>
+
+        public void SetThisNumber(int sn)
+        {
+            this.thisNumber = sn;
+
+        }
+
         /// <summary>
         /// 产生第二个序列号
         /// </summary>