diff --git a/IRaCIS.Core.Application/Service/Visit/PatientService.cs b/IRaCIS.Core.Application/Service/Visit/PatientService.cs
index c66066eab..38d1aa768 100644
--- a/IRaCIS.Core.Application/Service/Visit/PatientService.cs
+++ b/IRaCIS.Core.Application/Service/Visit/PatientService.cs
@@ -568,7 +568,7 @@ namespace IRaCIS.Core.Application.Service
 
 
                     //回更StudyCode
-                    await _fileUploadRecordRepository.BatchUpdateNoTrackingAsync(t => t.TrialId == trialId && t.Path.Contains(studyu.StudyInstanceUid), u => new FileUploadRecord() { StudyCode = studyCode });
+                    await _fileUploadRecordRepository.BatchUpdateNoTrackingAsync(t => t.TrialId == trialId && t.Path.Contains(study.StudyInstanceUid), u => new FileUploadRecord() { StudyCode = studyCode });
 
                     await _scpPatientRepository.BatchUpdateNoTrackingAsync(t => t.Id == scpStudy.PatientId, u => new SCPPatient() { SubjectId = subjectId });
                     await _scpStudyRepository.BatchUpdateNoTrackingAsync(t => t.Id == scpStudyId, u => new SCPStudy() { SubjectVisitId = subjectVisitId });