From 6e5e49d32208c456fc067947e0f319425b4c85c9 Mon Sep 17 00:00:00 2001
From: hang <872297557@qq.com>
Date: Thu, 25 Dec 2025 15:16:41 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9C=89=E4=BA=9B=E5=BD=B1=E5=93=8D=E7=89=B9?=
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---
 IRaCIS.Core.Application/TestService.cs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/IRaCIS.Core.Application/TestService.cs b/IRaCIS.Core.Application/TestService.cs
index ddc54ae51..9c061d9cb 100644
--- a/IRaCIS.Core.Application/TestService.cs
+++ b/IRaCIS.Core.Application/TestService.cs
@@ -94,6 +94,14 @@ namespace IRaCIS.Core.Application.Service
                 {
                     var stream = await _oSSService.GetStreamFromOSSAsync(item.Path);
 
+                    if (!stream.CanSeek)
+                    {
+                        var ms = new MemoryStream();
+                        await stream.CopyToAsync(ms);
+                        ms.Position = 0;
+                        stream = ms;
+                    }
+
                     var dicomFile = DicomFile.Open(stream);