diff --git a/IRaCIS.Core.Application/Service/QC/QCOperationService.cs b/IRaCIS.Core.Application/Service/QC/QCOperationService.cs
index 3e31f958a..e291927c2 100644
--- a/IRaCIS.Core.Application/Service/QC/QCOperationService.cs
+++ b/IRaCIS.Core.Application/Service/QC/QCOperationService.cs
@@ -255,7 +255,7 @@ namespace IRaCIS.Core.Application.Image.QA
         /// <returns></returns>
         /// <exception cref="BusinessValidationFailedException"></exception>
         [HttpPut]
-        public async Task<IResponseOutput> RequestImageBack(Guid subjectVisitId,string ApplyReason)
+        public async Task<IResponseOutput> RequestImageBack(Guid subjectVisitId, string ApplyReason)
         {
 
             if (_subjectVisitRepository.Any(t => t.Id == subjectVisitId && t.QCChallengeList.Any(t => t.IsClosed == false)))
@@ -291,7 +291,7 @@ namespace IRaCIS.Core.Application.Image.QA
                 throw new BusinessValidationFailedException(_localizer["QCOperation_SomeOneHaveApplyedImageBack"]);
             }
 
-            var newRecord = new SubjectVisitImageBackRecord() { SubjectVisitId = subjectVisitId, ApplyReason=ApplyReason, SubmitTime = sv.SubmitTime, EarliestScanDate = sv.EarliestScanDate, LatestScanDate = sv.LatestScanDate };
+            var newRecord = new SubjectVisitImageBackRecord() { SubjectVisitId = subjectVisitId, ApplyReason = ApplyReason, SubmitTime = sv.SubmitTime, EarliestScanDate = sv.EarliestScanDate, LatestScanDate = sv.LatestScanDate };
 
             if (_userInfo.UserTypeEnumInt == (int)UserTypeEnum.ClinicalResearchCoordinator)
             {
@@ -319,7 +319,7 @@ namespace IRaCIS.Core.Application.Image.QA
         /// <returns></returns>
         /// <exception cref="BusinessValidationFailedException"></exception>
         [HttpPut]
-        public async Task<IResponseOutput> AuditImageBack(Guid iamgeBackRecordId, bool isAgree,string? resultRemark)
+        public async Task<IResponseOutput> AuditImageBack(Guid iamgeBackRecordId, bool isAgree, string? resultRemark)
         {
             var backRecord = (await _subjectVisitImageBackRecordReposiotry.FirstOrDefaultAsync(t => t.Id == iamgeBackRecordId)).IfNullThrowException();
 
@@ -414,7 +414,7 @@ namespace IRaCIS.Core.Application.Image.QA
             }
 
             backRecord.AuditTime = DateTime.Now;
-            backRecord.ResultRemark = resultRemark??string.Empty;
+            backRecord.ResultRemark = resultRemark ?? string.Empty;
             await _subjectVisitRepository.SaveChangesAsync();
 
             return ResponseOutput.Ok();
@@ -1106,7 +1106,9 @@ namespace IRaCIS.Core.Application.Image.QA
                 {
                     var prefix = fisrtPath.Substring(1, fisrtPath.LastIndexOf('/') - 1);
 
+                    await _oSSService.DeleteFromPrefix(prefix, false);
                     await _oSSService.DeleteFromPrefix(prefix, true);
+
                 }
 
             }
@@ -1249,7 +1251,7 @@ namespace IRaCIS.Core.Application.Image.QA
                     break;
                 case TrialQCProcess.SingleAudit:
                     visitList = await _subjectVisitRepository
-                        .Where(x=>!x.SubjectVisitImageBackRecordList.Any(t => t.ImageBackState == ImageBackStateEnum.None))
+                        .Where(x => !x.SubjectVisitImageBackRecordList.Any(t => t.ImageBackState == ImageBackStateEnum.None))
                         .Where(x => x.SubmitState == SubmitStateEnum.Submitted
                     && x.TrialId == inDto.TrialId && x.PreliminaryAuditUserId != _userInfo.UserRoleId && (x.CurrentActionUserId == _userInfo.UserRoleId || (x.AuditState != AuditStateEnum.PrimaryQCPassed && !x.IsTake)))
                            .Where(x => x.QCChallengeList.Count() == 0 || x.QCChallengeList.Where(y => !y.IsClosed).OrderByDescending(x => x.CreateTime).FirstOrDefault().CreateUserId != _userInfo.UserRoleId)