diff --git a/IRaCIS.Core.Application/Helper/OSSService.cs b/IRaCIS.Core.Application/Helper/OSSService.cs
index 864f1642f..86d3d3305 100644
--- a/IRaCIS.Core.Application/Helper/OSSService.cs
+++ b/IRaCIS.Core.Application/Helper/OSSService.cs
@@ -535,32 +535,37 @@ public class OSSService : IOSSService
                     .WithSSL(minIOConfig.UseSSL)
                     .Build();
 
-                var pipe = new System.IO.Pipelines.Pipe();
+                #region 废弃3
 
-                _ = Task.Run(async () =>
-                {
-                    try
-                    {
-                        var args = new GetObjectArgs()
-                            .WithBucket(minIOConfig.BucketName)
-                            .WithObject(ossRelativePath)
-                            .WithCallbackStream(async source =>
-                            {
-                                await source.CopyToAsync(pipe.Writer.AsStream());
-                                await pipe.Writer.FlushAsync();
-                            });
+                //var pipe = new System.IO.Pipelines.Pipe();
+
+                //_ = Task.Run(async () =>
+                //{
+                //    try
+                //    {
+                //        var args = new GetObjectArgs()
+                //            .WithBucket(minIOConfig.BucketName)
+                //            .WithObject(ossRelativePath)
+                //            .WithCallbackStream(async source =>
+                //            {
+                //                await source.CopyToAsync(pipe.Writer.AsStream());
+                //                await pipe.Writer.FlushAsync();
+                //            });
+
+                //        await minioClient.GetObjectAsync(args);
+                //    }
+                //    finally
+                //    {
+                //        await pipe.Writer.CompleteAsync();
+                //    }
+                //});
+
+                //return pipe.Reader.AsStream();
+
+                #endregion
 
-                        await minioClient.GetObjectAsync(args);
-                    }
-                    finally
-                    {
-                        await pipe.Writer.CompleteAsync();
-                    }
-                });
 
-                return pipe.Reader.AsStream();
 
-               
                 #region 废弃2 
 
                 //var pipe = new System.IO.Pipelines.Pipe();
@@ -594,16 +599,16 @@ public class OSSService : IOSSService
 
                 #region 废弃
 
-                //var memoryStream = new MemoryStream();
+                var memoryStream = new MemoryStream();
 
-                //var getObjectArgs = new GetObjectArgs()
-                //    .WithBucket(minIOConfig.BucketName)
-                //    .WithObject(ossRelativePath)
-                //    .WithCallbackStream(stream => stream.CopyToAsync(memoryStream));
+                var getObjectArgs = new GetObjectArgs()
+                    .WithBucket(minIOConfig.BucketName)
+                    .WithObject(ossRelativePath)
+                    .WithCallbackStream(stream => stream.CopyToAsync(memoryStream));
 
-                //await minioClient.GetObjectAsync(getObjectArgs);
-                //memoryStream.Position = 0;
-                //return memoryStream;
+                await minioClient.GetObjectAsync(getObjectArgs);
+                memoryStream.Position = 0;
+                return memoryStream;
 
                 #endregion