diff --git a/IRaCIS.Core.Application/Service/Visit/PatientService.cs b/IRaCIS.Core.Application/Service/Visit/PatientService.cs
index 80b8057e8..026b02280 100644
--- a/IRaCIS.Core.Application/Service/Visit/PatientService.cs
+++ b/IRaCIS.Core.Application/Service/Visit/PatientService.cs
@@ -412,7 +412,7 @@ namespace IRaCIS.Core.Application.Service
 
             using (await @lock.AcquireAsync())
             {
-                var dbStudyCodeIntMax = _dicomStudyRepository.Where(s => s.TrialId == inCommand.TrialId).Select(t => t.Code).DefaultIfEmpty().Max();
+                var dbStudyCodeIntMax = _trialRepository.Where(s => s.Id == trialId, ignoreQueryFilters: true).Select(t => t.MaxDicomCode).DefaultIfEmpty().Max();
 
                 int currentNextCodeInt = dbStudyCodeIntMax + 1;
 
@@ -469,7 +469,7 @@ namespace IRaCIS.Core.Application.Service
                         //回更StudyCode
                         await _fileUploadRecordRepository.BatchUpdateNoTrackingAsync(t => t.TrialId == trialId && t.Path.Contains(newStuty.StudyInstanceUid), u => new FileUploadRecord() { StudyCode = studyCode, SubjectId = newStuty.SubjectId, SubjectVisitId = newStuty.SubjectVisitId });
 
-
+                        await _trialRepository.BatchUpdateNoTrackingAsync(t => t.Id == trialId, u => new Trial() { MaxDicomCode = currentNextCodeInt });
                         await _scpPatientRepository.BatchUpdateNoTrackingAsync(t => t.Id == find.SCPStudy.PatientId, u => new SCPPatient() { SubjectId = subjectId });
                         await _scpStudyRepository.BatchUpdateNoTrackingAsync(t => t.Id == scpStudyId, u => new SCPStudy() { SubjectVisitId = subjectVisitId });