diff --git a/IRaCIS.Core.Application/Service/ImageAndDoc/StudyService.cs b/IRaCIS.Core.Application/Service/ImageAndDoc/StudyService.cs
index db6cb1b7e..7003dc167 100644
--- a/IRaCIS.Core.Application/Service/ImageAndDoc/StudyService.cs
+++ b/IRaCIS.Core.Application/Service/ImageAndDoc/StudyService.cs
@@ -13,6 +13,8 @@ using IRaCIS.Core.Application.Filter;
 using IRaCIS.Core.Application.MediatR.Handlers;
 using Microsoft.AspNetCore.Http;
 using Newtonsoft.Json;
+using System.Threading;
+using Nito.AsyncEx;
 
 namespace IRaCIS.Core.Application.Service.ImageAndDoc
 {
@@ -20,6 +22,7 @@ namespace IRaCIS.Core.Application.Service.ImageAndDoc
     public class StudyService : BaseService, IStudyService
     {
         private static object lockCodeGenerate = new object();
+        private readonly AsyncLock _mutex = new AsyncLock();
 
         private readonly IEasyCachingProvider _provider;
 
@@ -128,12 +131,13 @@ namespace IRaCIS.Core.Application.Service.ImageAndDoc
             studyMonitor.UploadFinishedTime = DateTime.Now;
             studyMonitor.ArchiveFinishedTime = DateTime.Now;
             studyMonitor.IsDicomReUpload = !incommand.IsAdd;
+            studyMonitor.IsSuccess = true;
 
             if (incommand.IsAdd)
             {
                 var study = _mapper.Map<DicomStudy>(incommand.Study);
 
-                lock (lockCodeGenerate)
+                using (await _mutex.LockAsync())
                 {
 
                     //查询数据库获取最大的Code 没有记录则为0
@@ -277,8 +281,11 @@ namespace IRaCIS.Core.Application.Service.ImageAndDoc
 
             }
 
-           
-            await _dicomstudyRepository.SaveChangesAsync();
+            using (await _mutex.LockAsync())
+            {
+                await _dicomstudyRepository.SaveChangesAsync();
+
+            }
 
             return ResponseOutput.Ok();
         }