diff --git a/.vs/WMS.Web/DesignTimeBuild/.dtbcache.v2 b/.vs/WMS.Web/DesignTimeBuild/.dtbcache.v2
index c3ada48a..410f719f 100644
Binary files a/.vs/WMS.Web/DesignTimeBuild/.dtbcache.v2 and b/.vs/WMS.Web/DesignTimeBuild/.dtbcache.v2 differ
diff --git a/src/WMS.Web.Api/Controllers/OutStockTaskController.cs b/src/WMS.Web.Api/Controllers/OutStockTaskController.cs
index d55a714d..72f0404d 100644
--- a/src/WMS.Web.Api/Controllers/OutStockTaskController.cs
+++ b/src/WMS.Web.Api/Controllers/OutStockTaskController.cs
@@ -5,6 +5,7 @@ using Microsoft.Extensions.Options;
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Net.Http.Headers;
 using System.Threading.Tasks;
 using WMS.Web.Core;
 using WMS.Web.Core.Dto;
@@ -247,6 +248,7 @@ namespace WMS.Web.Api.Controllers
             {
                 List<GetOutStockTaskByNoSubStockResponse> rList = new List<GetOutStockTaskByNoSubStockResponse>();
                 var slist = materialSubStocks.Where(t => t.MaterialNumber == x.MaterialNumber && t.StockCode == res.StockCode && t.OrgCode == res.OrgCode).Select(s => s.SubStock).ToList();
+                slist = slist.Where(w => !string.IsNullOrEmpty(w)).ToList();
                 slist.ForEach(f => rList.Add(new GetOutStockTaskByNoSubStockResponse(f)));
                 x.MaterialSubStocks = rList.OrderBy(s => s.SubStock_Do).Select(s => s.SubStock).ToList();
                 if (rList.Count() > 0)