diff --git a/IRaCIS.Core.Application/Service/ReadingCalculate/General/ReadingCalculateService.cs b/IRaCIS.Core.Application/Service/ReadingCalculate/General/ReadingCalculateService.cs
index fdf25359e..be682db73 100644
--- a/IRaCIS.Core.Application/Service/ReadingCalculate/General/ReadingCalculateService.cs
+++ b/IRaCIS.Core.Application/Service/ReadingCalculate/General/ReadingCalculateService.cs
@@ -195,6 +195,7 @@ namespace IRaCIS.Core.Application.Service.ReadingCalculate
                 var stream = await DownLoadReadReportStream(new DownLoadReadReportInDto()
                 {
                     VisitTaskId = inDto.VisitTaskId,
+                    DownLoadGuid= Guid.NewGuid(),
                 });
                 var url = await _oSSService.UploadToOSSAsync(stream, $"ReadingReport/{taskinfo.TrialId.ToString()}/{taskinfo.Id.ToString()}", $"{taskinfo.Subject.Code}_{taskinfo.SourceSubjectVisit.VisitName}.pdf", false);
 
@@ -248,6 +249,7 @@ namespace IRaCIS.Core.Application.Service.ReadingCalculate
                 var stream = await DownLoadTumorEvaluationStream(new DownLoadReadReportInDto()
                 {
                     VisitTaskId = inDto.VisitTaskId,
+                    DownLoadGuid = Guid.NewGuid(),
                 });
                 var url = await _oSSService.UploadToOSSAsync(stream, $"ReadingReport/{taskinfo.TrialId.ToString()}/{taskinfo.Id.ToString()}", $"TumorEvaluation_{taskinfo.Subject.Code}_{taskinfo.SourceSubjectVisit.VisitName}.pdf", false);