diff --git a/IRaCIS.Core.Application/IRaCIS.Core.Application.xml b/IRaCIS.Core.Application/IRaCIS.Core.Application.xml
index e5cf503de..c0882ff60 100644
--- a/IRaCIS.Core.Application/IRaCIS.Core.Application.xml
+++ b/IRaCIS.Core.Application/IRaCIS.Core.Application.xml
@@ -1767,11 +1767,13 @@
             <param name="_trialRepository"></param>
             <param name="_oSSService"></param>
         </member>
-        <member name="M:IRaCIS.Core.Application.Service.TrialImageDownloadService.DownloadTrialImage(System.Guid)">
+        <member name="M:IRaCIS.Core.Application.Service.TrialImageDownloadService.DownloadTrialImage(System.Guid,System.Int32,System.Int32)">
             <summary>
             后端api swagger 下载项目影像
             </summary>
             <param name="trialId"></param>
+            <param name="startIndex"></param>
+            <param name="endIndex"></param>
             <returns></returns>
         </member>
         <member name="M:IRaCIS.Core.Application.Service.TrialImageDownloadService.DownloadAndUploadTrialData(System.Guid,IRaCIS.Core.Infra.EFCore.IRepository{IRaCIS.Core.Domain.Models.DicomInstance},IRaCIS.Core.Infra.EFCore.IRepository{IRaCIS.Core.Domain.Models.DicomStudy},IRaCIS.Core.Infra.EFCore.IRepository{IRaCIS.Core.Domain.Models.DicomSeries})">
@@ -17494,17 +17496,17 @@
         </member>
         <member name="F:IRaCIS.Core.Application.ViewModel.AccessToDialogueEnum.Question">
             <summary>
-            ����
+            质疑
             </summary>
         </member>
         <member name="F:IRaCIS.Core.Application.ViewModel.AccessToDialogueEnum.Consistency">
             <summary>
-            һ���Ժ˲�
+            一致性核查
             </summary>
         </member>
         <member name="T:IRaCIS.Core.Application.ViewModel.CopyFrontAuditConfigItemDto">
             <summary>
-            ����
+            复制
             </summary>
         </member>
         <member name="T:IRaCIS.Core.Application.ViewModel.SystemNoticeView">
diff --git a/IRaCIS.Core.Application/Service/Common/TrialImageDownloadService.cs b/IRaCIS.Core.Application/Service/Common/TrialImageDownloadService.cs
index faf9d5274..8cac5500d 100644
--- a/IRaCIS.Core.Application/Service/Common/TrialImageDownloadService.cs
+++ b/IRaCIS.Core.Application/Service/Common/TrialImageDownloadService.cs
@@ -167,13 +167,20 @@ namespace IRaCIS.Core.Application.Service
         /// 后端api swagger 下载项目影像
         /// </summary>
         /// <param name="trialId"></param>
+        /// <param name="startIndex"></param>
+        /// <param name="endIndex"></param>
         /// <returns></returns>
         [HttpPost]
         [AllowAnonymous]
-        public async Task<IResponseOutput> DownloadTrialImage(Guid trialId)
+        public async Task<IResponseOutput> DownloadTrialImage(Guid trialId, int startIndex, int endIndex)
         {
             //找到项目里面未阅片的影像
 
+            if (startIndex < 1 || endIndex < 1 || startIndex > endIndex)
+            {
+                return ResponseOutput.NotOk("请输入正确的下载区间");
+            }
+
 
             //var subjectCodeList = new List<string>() { "05002", "07006", "07026" };
             var downloadInfo = _trialRepository.Where(t => t.Id == trialId).Select(t => new
@@ -249,6 +256,8 @@ namespace IRaCIS.Core.Application.Service
 
             var oldVisits = MiniExcel.Query<SubjectVisitExcel>(Path.Combine(rootFolder, "Old.xlsx")).ToList();
 
+            Log.Logger.Warning($"数据库查询下载访视数量 - 前一批已下载访视数量：{downloadInfo.VisitList.Count} - {oldVisits.Count}");
+
             var acturalDownList = downloadInfo.VisitList.Where(t => !oldVisits.Any(old => old.VisitNum == t.VisitNum && old.SubjectCode == t.SubjectCode &&
             old.VisitName.Trim().ToLower() == t.VisitName.Trim().ToLower())).ToList();
 
@@ -265,19 +274,25 @@ namespace IRaCIS.Core.Application.Service
                     StreamReaderFunc = (stream) => new StreamReader(stream, Encoding.GetEncoding("gb2312"))
                 }).ToList();
 
+                Log.Logger.Warning($"download_log.csv访视数量：{existVisits.Count}");
+
                 acturalDownList = acturalDownList.Where(t => !existVisits.Any(old => old.VisitNum == t.VisitNum && old.SubjectCode == t.SubjectCode &&
                old.VisitName.Trim().ToLower() == t.VisitName.Trim().ToLower())).ToList();
 
 
             }
 
+            acturalDownList = acturalDownList.Skip(startIndex - 1).Take(endIndex).ToList();
+
+            Log.Logger.Warning($"该区{startIndex}-{endIndex} 实际需要下载访视数量：{acturalDownList.Count}");
+
             #endregion
 
             var count = acturalDownList.SelectMany(t => t.NoneDicomStudyList).SelectMany(t => t.FileList).Count();
 
             var count2 = acturalDownList.SelectMany(t => t.StudyList).SelectMany(t => t.SeriesList).SelectMany(t => t.InstancePathList).Count();
 
-            Console.WriteLine($"下载总数量：{count}+{count2}={count + count2}");
+            Log.Logger.Warning($"下载总数量：{count}+{count2}={count + count2}");
 
             var downloadJobs = new List<DownloadJob>();