diff --git a/IRaCIS.Core.Application/Service/ImageAndDoc/StudyService.cs b/IRaCIS.Core.Application/Service/ImageAndDoc/StudyService.cs
index ead7a1c72..8afc1d48d 100644
--- a/IRaCIS.Core.Application/Service/ImageAndDoc/StudyService.cs
+++ b/IRaCIS.Core.Application/Service/ImageAndDoc/StudyService.cs
@@ -22,7 +22,8 @@ namespace IRaCIS.Core.Application.Service.ImageAndDoc
     public class StudyService : BaseService, IStudyService
     {
         private static object lockCodeGenerate = new object();
-        private readonly AsyncLock _mutex = new AsyncLock();
+        private static readonly AsyncLock _mutex = new AsyncLock();
+        private static readonly AsyncLock _mutex2 = new AsyncLock();
 
         private readonly IEasyCachingProvider _provider;
 
@@ -141,7 +142,6 @@ namespace IRaCIS.Core.Application.Service.ImageAndDoc
 
                 using (await _mutex.LockAsync())
                 {
-
                     //查询数据库获取最大的Code 没有记录则为0
                     var dbStudyCodeIntMax = _dicomstudyRepository.Where(s => s.TrialId == trialId).Select(t => t.Code).DefaultIfEmpty().Max();
 
@@ -156,27 +156,27 @@ namespace IRaCIS.Core.Application.Service.ImageAndDoc
 
                     _provider.Set<int>($"{trialId}_{StaticData.CacheKey.StudyMaxCode}", study.Code, TimeSpan.FromMinutes(30));
 
-
-
-                    study.Id = IdentifierHelper.CreateGuid(incommand.Study.StudyInstanceUid, incommand.TrialId.ToString());
-                    study.TrialId = incommand.TrialId;
-                    study.SiteId = incommand.SiteId;
-                    study.SubjectId = incommand.SubjectId;
-                    study.SubjectVisitId = incommand.SubjectVisitId;
-
-
-                    //特殊处理逻辑
-                    study.Modalities = string.Join("、", incommand.Study.SeriesList.Select(t => t.Modality).Distinct());
-                    SpecialArchiveStudyDeal(study);
-
-                    await _dicomstudyRepository.AddAsync(study);
-
-
-                    studyMonitor.StudyId = study.Id;
-                    studyMonitor.StudyCode = study.StudyCode;
                 }
 
 
+                study.Id = IdentifierHelper.CreateGuid(incommand.Study.StudyInstanceUid, incommand.TrialId.ToString());
+                study.TrialId = incommand.TrialId;
+                study.SiteId = incommand.SiteId;
+                study.SubjectId = incommand.SubjectId;
+                study.SubjectVisitId = incommand.SubjectVisitId;
+
+
+                //特殊处理逻辑
+                study.Modalities = string.Join("、", incommand.Study.SeriesList.Select(t => t.Modality).Distinct());
+                SpecialArchiveStudyDeal(study);
+
+                await _dicomstudyRepository.AddAsync(study);
+
+
+                studyMonitor.StudyId = study.Id;
+                studyMonitor.StudyCode = study.StudyCode;
+
+
                 foreach (var seriesItem in incommand.Study.SeriesList)
                 {
                     var series = _mapper.Map<DicomSeries>(seriesItem);
@@ -284,13 +284,16 @@ namespace IRaCIS.Core.Application.Service.ImageAndDoc
 
             }
 
-            using (await _mutex.LockAsync())
+            using (await _mutex2.LockAsync())
             {
-                await _repository.SaveChangesAsync();
+                await _dicomInstanceRepository.SaveChangesAsync();
 
             }
 
 
+
+
+
             return ResponseOutput.Ok();
         }