diff --git a/IRaCIS.Core.Application/Service/Third-partyProject/DTO/UltrasonicDicomViewModel.cs b/IRaCIS.Core.Application/Service/Third-partyProject/DTO/UltrasonicDicomViewModel.cs
index a59bc54b2..3d5b5abea 100644
--- a/IRaCIS.Core.Application/Service/Third-partyProject/DTO/UltrasonicDicomViewModel.cs
+++ b/IRaCIS.Core.Application/Service/Third-partyProject/DTO/UltrasonicDicomViewModel.cs
@@ -117,6 +117,12 @@ namespace IRaCIS.Core.Application.Service.Third_partyProject.DTO
         public string Modality { get; set; }
     }
 
+    public class InstancePathDTO
+    {
+        public string StudyCode { get; set; }
+        public string InstancePath { get; set; }
+    }
+
 
 
 }
diff --git a/IRaCIS.Core.Application/Service/Third-partyProject/UltrasonicDicomService.cs b/IRaCIS.Core.Application/Service/Third-partyProject/UltrasonicDicomService.cs
index 51fb1ceea..b030987e2 100644
--- a/IRaCIS.Core.Application/Service/Third-partyProject/UltrasonicDicomService.cs
+++ b/IRaCIS.Core.Application/Service/Third-partyProject/UltrasonicDicomService.cs
@@ -192,9 +192,9 @@ namespace IRaCIS.Core.Application.Service.Third_partyProject
         /// <param name="_dicomSeriesRepository"></param>
         /// <returns></returns>
         [HttpPost]
-        public async Task<List<string>> GetStudyModalityOSSPath(List<Guid> seriesIdList, [FromServices] IRepository<DicomSeries> _dicomSeriesRepository)
+        public async Task<List<InstancePathDTO>> GetStudyModalityOSSPath(List<Guid> seriesIdList, [FromServices] IRepository<DicomSeries> _dicomSeriesRepository)
         {
-            return await _dicomSeriesRepository.Where(t => seriesIdList.Contains(t.Id)).SelectMany(t => t.DicomInstanceList).Select(t => t.Path).ToListAsync();
+            return await _dicomSeriesRepository.Where(t => seriesIdList.Contains(t.Id)).SelectMany(t => t.DicomInstanceList).Select(t => new InstancePathDTO() {InstancePath= t.Path,StudyCode=t.DicomStudy.StudyCode } ).ToListAsync();
         }
 
 
diff --git a/IRaCIS.Core.Domain/Image/DicomInstance.cs b/IRaCIS.Core.Domain/Image/DicomInstance.cs
index a05f3bbf0..bce1777cf 100644
--- a/IRaCIS.Core.Domain/Image/DicomInstance.cs
+++ b/IRaCIS.Core.Domain/Image/DicomInstance.cs
@@ -11,6 +11,10 @@ namespace IRaCIS.Core.Domain.Models
         [ForeignKey("SeriesId")]
         public DicomSeries DicomSerie { get; set; }
 
+        [JsonIgnore]
+        [ForeignKey("StudyId")]
+        public DicomStudy DicomStudy { get; set; }
+
         [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
 
         public Guid SeqId { get; set; }