diff --git a/src/WMS.Web.Domain/Entitys/BoxMark.cs b/src/WMS.Web.Domain/Entitys/BoxMark.cs
index 8435e4f3..dfa650e2 100644
--- a/src/WMS.Web.Domain/Entitys/BoxMark.cs
+++ b/src/WMS.Web.Domain/Entitys/BoxMark.cs
@@ -134,7 +134,7 @@ namespace WMS.Web.Domain.Entitys
                 //添加编号生成
                 var bill = new BoxMarkBillNo();
                 bill.Sort = i;
-                if (hasPart && i == boxCount)
+                if (hasPart && i == boxCount && boxCount>1)
                     bill.IsTail = true;
                 bill.GenerateBillNo(firstBillNo, lastBillNo);
                 this.BillNos.Add(bill);