diff --git a/IRaCIS.Core.Application/Helper/OSSService.cs b/IRaCIS.Core.Application/Helper/OSSService.cs
index 58105e89c..3aca5cb4f 100644
--- a/IRaCIS.Core.Application/Helper/OSSService.cs
+++ b/IRaCIS.Core.Application/Helper/OSSService.cs
@@ -542,7 +542,11 @@ public class OSSService : IOSSService
                     .WithHttpClient(new HttpClient(httpClientHandler))
                     .Build();
 
-                #region 废弃3
+             
+
+
+
+                #region 废弃2 
 
                 var pipe = new System.IO.Pipelines.Pipe();
 
@@ -553,54 +557,24 @@ public class OSSService : IOSSService
                         var args = new GetObjectArgs()
                             .WithBucket(minIOConfig.BucketName)
                             .WithObject(ossRelativePath)
-                            .WithCallbackStream(async source =>
+                            .WithCallbackStream(stream =>
                             {
-                                await source.CopyToAsync(pipe.Writer.AsStream());
-                                await pipe.Writer.FlushAsync();
+                                stream.CopyTo(pipe.Writer.AsStream());
+                                pipe.Writer.FlushAsync();
                             });
 
                         await minioClient.GetObjectAsync(args);
-                    }
-                    finally
-                    {
                         await pipe.Writer.CompleteAsync();
                     }
+                    catch (Exception ex)
+                    {
+                        Log.Error($"minio 获取流错误：{ex.Message}");
+                        await pipe.Writer.CompleteAsync(ex);
+                    }
                 });
 
+
                 return pipe.Reader.AsStream();
-
-                #endregion
-
-
-
-                #region 废弃2 
-
-                //var pipe = new System.IO.Pipelines.Pipe();
-
-                //_ = Task.Run(async () =>
-                //{
-                //    try
-                //    {
-                //        var args = new GetObjectArgs()
-                //            .WithBucket(minIOConfig.BucketName)
-                //            .WithObject(ossRelativePath)
-                //            .WithCallbackStream(stream =>
-                //            {
-                //                stream.CopyTo(pipe.Writer.AsStream());
-                //            });
-
-                //        await minioClient.GetObjectAsync(args);
-                //        await pipe.Writer.CompleteAsync();
-                //    }
-                //    catch (Exception ex)
-                //    {
-                //        Log.Error($"minio 获取流错误：{ex.Message}");
-                //        await pipe.Writer.CompleteAsync(ex);
-                //    }
-                //});
-
-
-                //return pipe.Reader.AsStream();
                 #endregion