diff --git a/IRaCIS.Core.Application/Service/QC/QCOperationService.cs b/IRaCIS.Core.Application/Service/QC/QCOperationService.cs
index 25f9325b9..3ae650155 100644
--- a/IRaCIS.Core.Application/Service/QC/QCOperationService.cs
+++ b/IRaCIS.Core.Application/Service/QC/QCOperationService.cs
@@ -35,6 +35,7 @@ namespace IRaCIS.Core.Application.Image.QA
         private readonly IRepository<QCChallenge> _qcChallengeRepository;
         private readonly IRepository<DicomStudy> _dicomStudyRepository;
         private readonly IRepository<Dictionary> _dictionaryrepository;
+        private readonly IRepository<Subject> _subjectRepository;
         private readonly IRepository<Trial> _trialRepository;
         private readonly IMediator _mediator;
         private readonly IInspectionService _inspectionService;
@@ -50,7 +51,8 @@ namespace IRaCIS.Core.Application.Image.QA
             IInspectionService inspectionService,
             IDictionaryService dictionaryService,
             IRepository<DicomStudy> dicomStudyRepository,
-            IRepository<Dictionary> dictionaryrepository
+            IRepository<Dictionary> dictionaryrepository,
+            IRepository<Subject> subjectRepository
             )
         {
             _dicomFileStoreHelper = dicomFileStoreHelper;
@@ -58,6 +60,7 @@ namespace IRaCIS.Core.Application.Image.QA
             _qcChallengeRepository = qcChallengeRepository;
             _dicomStudyRepository = dicomStudyRepository;
             this._dictionaryrepository = dictionaryrepository;
+            this._subjectRepository = subjectRepository;
             _mediator = mediator;
             _trialRepository = trialRepository;
             _inspectionService = inspectionService;
@@ -1937,11 +1940,9 @@ namespace IRaCIS.Core.Application.Image.QA
 
             if (command.SubjectFirstGiveMedicineTime != null)
             {
-                await _repository.BatchUpdateAsync<Subject>(t => t.Id == command.SubjectId, u => new Subject()
-                {
-                    FirstGiveMedicineTime = command.SubjectFirstGiveMedicineTime,
 
-                });
+                await _subjectRepository.UpdatePartialFromQueryAsync(command.SubjectId, u => new Subject() { FirstGiveMedicineTime = command.SubjectFirstGiveMedicineTime, });
+
 
                 List<DataInspection> datas = new List<DataInspection>();