diff --git a/src/WMS.Web.Repositories/InStockTaskRepositories.cs b/src/WMS.Web.Repositories/InStockTaskRepositories.cs
index 89ded530..c70086df 100644
--- a/src/WMS.Web.Repositories/InStockTaskRepositories.cs
+++ b/src/WMS.Web.Repositories/InStockTaskRepositories.cs
@@ -508,7 +508,7 @@ namespace WMS.Web.Repositories
         public async Task<List<ReceiveBoxResponse>> GetReceiveBox(int taskId, string materialNumber)
         {
             var list = await _context.InstockTaskBox.Include(x => x.Details).Where(x => x.TaskId == taskId).ToListAsync();
-            var list_last = list.Where(x => !x.Details.Any(t => t.MaterialNumber == materialNumber));
+            var list_last = list.Where(x => x.Details.Any(t => t.MaterialNumber == materialNumber)).ToList();
             var result = list_last.Select(x => new ReceiveBoxResponse()
             {
                 TaskId = x.TaskId,