diff --git a/IRaCIS.Core.Application/Service/ImageAndDoc/DTO/DownloadAndUploadDTO.cs b/IRaCIS.Core.Application/Service/ImageAndDoc/DTO/DownloadAndUploadDTO.cs
index 01483d378..ce52ee53d 100644
--- a/IRaCIS.Core.Application/Service/ImageAndDoc/DTO/DownloadAndUploadDTO.cs
+++ b/IRaCIS.Core.Application/Service/ImageAndDoc/DTO/DownloadAndUploadDTO.cs
@@ -29,6 +29,7 @@ namespace IRaCIS.Core.Application.Service.ImageAndDoc.DTO
     public class StudyBasicInfo
     {
         public Guid Id { get; set; }
+        public string StudyInstanceUid { get; set; } 
 
         public string StudyCode { get; set; }
 
diff --git a/IRaCIS.Core.Application/Service/ImageAndDoc/DownloadAndUploadService.cs b/IRaCIS.Core.Application/Service/ImageAndDoc/DownloadAndUploadService.cs
index 841915d29..0e36f4f39 100644
--- a/IRaCIS.Core.Application/Service/ImageAndDoc/DownloadAndUploadService.cs
+++ b/IRaCIS.Core.Application/Service/ImageAndDoc/DownloadAndUploadService.cs
@@ -53,6 +53,7 @@ namespace IRaCIS.Core.Application.Service.ImageAndDoc
                     OrginalStudyList = u.SourceSubjectVisit.StudyList.Select(t => new StudyBasicInfo()
                     {
                         Id = t.Id,
+                        StudyInstanceUid= t.StudyInstanceUid,
                         ModalityForEdit=t.ModalityForEdit,
                         BodyPartExamined=t.BodyPartExamined,
                         BodyPartForEdit = t.BodyPartForEdit,
@@ -68,6 +69,7 @@ namespace IRaCIS.Core.Application.Service.ImageAndDoc
                     UploadStudyList = u.TaskStudyList.Select(t => new StudyBasicInfo()
                     {
                         Id = t.Id,
+                        StudyInstanceUid = t.StudyInstanceUid,
                         ModalityForEdit = t.ModalityForEdit,
                         BodyPartExamined = t.BodyPartExamined,
                         BodyPartForEdit = t.BodyPartForEdit,