From 924347361af338ceb3b608991be89a76ce767f0a Mon Sep 17 00:00:00 2001
From: hang <872297557@qq.com>
Date: Thu, 18 Jun 2026 11:38:29 +0800
Subject: [PATCH] =?UTF-8?q?=E5=8E=BB=E9=87=8D=E6=8F=90=E4=BA=A4?=
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---
 .../Service/Common/TrialImageDownloadService.cs                 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/IRaCIS.Core.Application/Service/Common/TrialImageDownloadService.cs b/IRaCIS.Core.Application/Service/Common/TrialImageDownloadService.cs
index ad5f60980..9f89c14c3 100644
--- a/IRaCIS.Core.Application/Service/Common/TrialImageDownloadService.cs
+++ b/IRaCIS.Core.Application/Service/Common/TrialImageDownloadService.cs
@@ -326,7 +326,7 @@ namespace IRaCIS.Core.Application.Service
                         {
                             var dirDic = new Dictionary<string, string>();
 
-                            var studyFolderName = $"{studyInfo.StudyCode}_{studyInfo.StudyTime:yyyy-MM-dd}_{string.Join('_', studyInfo.SeriesList.Select(t => t.Modality))}";
+                            var studyFolderName = $"{studyInfo.StudyCode}_{studyInfo.StudyTime:yyyy-MM-dd}_{string.Join('_', studyInfo.SeriesList.Select(t => t.Modality).Distinct())}";
 
                             #region DICOMDIR