diff --git a/IRC.Core.SCP/Service/CStoreSCPService.cs b/IRC.Core.SCP/Service/CStoreSCPService.cs
index b147cacb9..5820bac6d 100644
--- a/IRC.Core.SCP/Service/CStoreSCPService.cs
+++ b/IRC.Core.SCP/Service/CStoreSCPService.cs
@@ -126,16 +126,25 @@ namespace IRaCIS.Core.SCP.Service
 
         public async Task OnReceiveAssociationReleaseRequestAsync()
         {
-            await DataMaintenanceAsaync();
+            var _distributedLockProvider = _serviceProvider.GetService<IDistributedLockProvider>();
 
-            //记录监控
+            var @lock = _distributedLockProvider.CreateLock($"{_upload.CallingAE}");
 
-            var _SCPImageUploadRepository = _serviceProvider.GetService<IRepository<SCPImageUpload>>();
+            using (await @lock.AcquireAsync())
+            {
 
-            _upload.EndTime = DateTime.Now;
-            _upload.StudyCount = _SCPStudyIdList.Count;
+                await DataMaintenanceAsaync();
 
-            await _SCPImageUploadRepository.AddAsync(_upload,true);
+                //记录监控
+
+                var _SCPImageUploadRepository = _serviceProvider.GetService<IRepository<SCPImageUpload>>();
+
+                _upload.EndTime = DateTime.Now;
+                _upload.StudyCount = _SCPStudyIdList.Count;
+
+                await _SCPImageUploadRepository.AddAsync(_upload, true);
+
+            }
 
             await SendAssociationReleaseResponseAsync();
         }
@@ -263,7 +272,7 @@ namespace IRaCIS.Core.SCP.Service
             {
                 try
                 {
-                    var scpStudyId = await dicomArchiveService.ArchiveDicomFileAsync(request.Dataset, storeRelativePath, Association.CallingAE, Association.CalledAE,fileSize);
+                    var scpStudyId = await dicomArchiveService.ArchiveDicomFileAsync(request.Dataset, storeRelativePath, Association.CallingAE, Association.CalledAE, fileSize);
 
                     if (!_SCPStudyIdList.Contains(scpStudyId))
                     {
@@ -315,7 +324,7 @@ namespace IRaCIS.Core.SCP.Service
 
             //监控信息设置
             _upload.FileCount++;
-            _upload.FileSize= _upload.FileSize+ fileSize;
+            _upload.FileSize = _upload.FileSize + fileSize;
             return new DicomCStoreResponse(request, DicomStatus.Success);
         }