diff --git a/IRaCIS.Core.Application/Service/Document/TrialDocumentService.cs b/IRaCIS.Core.Application/Service/Document/TrialDocumentService.cs
index 12873b772..a5c4582a1 100644
--- a/IRaCIS.Core.Application/Service/Document/TrialDocumentService.cs
+++ b/IRaCIS.Core.Application/Service/Document/TrialDocumentService.cs
@@ -542,7 +542,7 @@ namespace IRaCIS.Core.Application.Services
                  select new UnionDocumentWithConfirmInfoView()
                  {
                      IsSystemDoc = true,
-                     AttachmentCount=sysDoc.SystemDocumentAttachmentList.Count,
+                 
                      Id = sysDoc.Id,
                      CreateTime = sysDoc.CreateTime,
                      IsDeleted = sysDoc.IsDeleted,