diff --git a/IRaCIS.Core.Application/Service/ImageAndDoc/DTO/DownloadAndUploadDTO.cs b/IRaCIS.Core.Application/Service/ImageAndDoc/DTO/DownloadAndUploadDTO.cs
index ce52ee53d..caa5e5e3a 100644
--- a/IRaCIS.Core.Application/Service/ImageAndDoc/DTO/DownloadAndUploadDTO.cs
+++ b/IRaCIS.Core.Application/Service/ImageAndDoc/DTO/DownloadAndUploadDTO.cs
@@ -47,6 +47,8 @@ namespace IRaCIS.Core.Application.Service.ImageAndDoc.DTO
         public string Description { get; set; } 
         public int SeriesCount { get; set; } 
         public int InstanceCount { get; set; } 
+
+        public List<string> SopInstanceUidList { get; set; }
     }
 }
 
diff --git a/IRaCIS.Core.Application/Service/ImageAndDoc/DownloadAndUploadService.cs b/IRaCIS.Core.Application/Service/ImageAndDoc/DownloadAndUploadService.cs
index 0205403b7..df8f8086e 100644
--- a/IRaCIS.Core.Application/Service/ImageAndDoc/DownloadAndUploadService.cs
+++ b/IRaCIS.Core.Application/Service/ImageAndDoc/DownloadAndUploadService.cs
@@ -94,6 +94,9 @@ namespace IRaCIS.Core.Application.Service.ImageAndDoc
                         InstanceCount = t.InstanceCount,
                         Modalities = t.Modalities,
                         SeriesCount = t.SeriesCount,
+
+                        SopInstanceUidList=t.InstanceList.Select(t=>t.SopInstanceUid).ToList(),
+
                     }).ToList()
                 })
                 ;
diff --git a/IRaCIS.Core.Domain/Image/TaskStudy.cs b/IRaCIS.Core.Domain/Image/TaskStudy.cs
index a6f1193fe..c3871e58c 100644
--- a/IRaCIS.Core.Domain/Image/TaskStudy.cs
+++ b/IRaCIS.Core.Domain/Image/TaskStudy.cs
@@ -15,6 +15,8 @@ namespace IRaCIS.Core.Domain.Models
         [JsonIgnore]
         public List<StudyMonitor> DicomStudyMonitorList { get; set; } = new List<StudyMonitor>();
 
+        [JsonIgnore]
+        public List<TaskInstance> InstanceList { get; set; }
 
         [JsonIgnore]
         public List<TaskSeries> SeriesList { get; set; }