diff --git a/IRC.Core.SCP/Service/CStoreSCPService.cs b/IRC.Core.SCP/Service/CStoreSCPService.cs
index c173a9caa..15fb28701 100644
--- a/IRC.Core.SCP/Service/CStoreSCPService.cs
+++ b/IRC.Core.SCP/Service/CStoreSCPService.cs
@@ -47,6 +47,8 @@ namespace IRaCIS.Core.SCP.Service
 
         private List<Guid> _SCPStudyIdList { get; set; } = new List<Guid>();
 
+        private List<string> _StudyInstanceUIdList { get; set; } = new List<string>();
+
         private SCPImageUpload _upload { get; set; }
 
         public HospitalGroup CurrentHospitalGroup { get; set; }
@@ -167,7 +169,7 @@ namespace IRaCIS.Core.SCP.Service
                 var _SCPImageUploadRepository = _serviceProvider.GetService<IRepository<SCPImageUpload>>();
 
                 _upload.EndTime = DateTime.Now;
-                _upload.StudyCount = _SCPStudyIdList.Count;
+                _upload.StudyCount = _StudyInstanceUIdList.Count;
 
                 //可能是测试echo 导致记录了
                 await _SCPImageUploadRepository.AddAsync(_upload, _upload.FileCount > 0 ? true : false);
@@ -283,6 +285,11 @@ namespace IRaCIS.Core.SCP.Service
                 return new DicomCStoreResponse(request, DicomStatus.Success);
             }
 
+            if (!_StudyInstanceUIdList.Contains(studyInstanceUid))
+            {
+                _StudyInstanceUIdList.Add(studyInstanceUid);
+            }
+
             Guid seriesId = IdentifierHelper.CreateGuid(studyInstanceUid, seriesInstanceUid);
             Guid instanceId = IdentifierHelper.CreateGuid(studyInstanceUid, seriesInstanceUid, sopInstanceUid);