diff --git a/src/WMS.Web.Domain/Services/OutStockTaskService.cs b/src/WMS.Web.Domain/Services/OutStockTaskService.cs
index 2f873424..502601b4 100644
--- a/src/WMS.Web.Domain/Services/OutStockTaskService.cs
+++ b/src/WMS.Web.Domain/Services/OutStockTaskService.cs
@@ -581,7 +581,7 @@ namespace WMS.Web.Domain.Services
                     BoxBillNo = boxList.FirstOrDefault(f => f.Id == b.BoxId)?.BoxBillNo ?? "",
                     OutStockId= outStock.Id,
                     OutStockBoxDetailsId=b.Id,
-                    BoxLength =b.BoxHigh,
+                    BoxLength =b.BoxLength,
                     BoxWide=b.BoxWide,
                     BoxHigh=b.BoxHigh,
                     BoxWeight=b.BoxWeight,