diff --git a/IRaCIS.Core.Application/Service/ImageAndDoc/StudyService.cs b/IRaCIS.Core.Application/Service/ImageAndDoc/StudyService.cs
index 40b753eef..1169cd9d8 100644
--- a/IRaCIS.Core.Application/Service/ImageAndDoc/StudyService.cs
+++ b/IRaCIS.Core.Application/Service/ImageAndDoc/StudyService.cs
@@ -169,6 +169,8 @@ namespace IRaCIS.Core.Application.Service.ImageAndDoc
                 idPathList = await _dicomInstanceRepository.Where(t => t.SeriesId == inCommand.SeriesId).Select(t => new InstanceIdPath { Id = t.Id, Path = t.Path }).ToListAsync();
             }
 
+            var okList = new List<InstanceIdPath>();
+
             foreach (var item in idPathList)
             {
                 if (item.Path.EndsWith("_MaskDicom"))
@@ -178,6 +180,8 @@ namespace IRaCIS.Core.Application.Service.ImageAndDoc
                     var length = Guid.Empty.ToString().Length + "_MaskDicom".Length;
                     var newPath = item.Path[..^length];
 
+                    okList.Add(new InstanceIdPath() { Id = item.Id, Path = newPath });
+
                     await _dicomInstanceRepository.BatchUpdateNoTrackingAsync(t => t.Id == item.Id, u => new DicomInstance() { Path = newPath, IsMasked = false });
                 }
 
@@ -186,7 +190,7 @@ namespace IRaCIS.Core.Application.Service.ImageAndDoc
 
             await _dicomInstanceRepository.SaveChangesAsync();
 
-            return ResponseOutput.Ok();
+            return ResponseOutput.Ok(new { OkList = okList });
 
 
         }