diff --git a/IRaCIS.Core.API/Controllers/ExtraController.cs b/IRaCIS.Core.API/Controllers/ExtraController.cs
index e750b4727..baa34b64f 100644
--- a/IRaCIS.Core.API/Controllers/ExtraController.cs
+++ b/IRaCIS.Core.API/Controllers/ExtraController.cs
@@ -379,7 +379,7 @@ namespace IRaCIS.Api.Controllers
                     SecretAccessKey = credentials.SecretAccessKey,
                     SessionToken= credentials.SessionToken,
                     Expiration=credentials.Expiration,
-
+                    Region=awsOptions.Region,
                     
                     BucketName = awsOptions.BucketName,
                     EndPoint = awsOptions.EndPoint,
@@ -422,7 +422,7 @@ namespace IRaCIS.Api.Controllers
                 SecretAccessKey = credentials.SecretAccessKey,
                 SessionToken = credentials.SessionToken,
                 Expiration = credentials.Expiration,
-
+                Region = awsOptions.Region,
                 BucketName = awsOptions.BucketName,
                 EndPoint = awsOptions.EndPoint,
                 ViewEndpoint = awsOptions.ViewEndpoint,
diff --git a/IRaCIS.Core.Application/Helper/OSSService.cs b/IRaCIS.Core.Application/Helper/OSSService.cs
index 01a6678f1..061150189 100644
--- a/IRaCIS.Core.Application/Helper/OSSService.cs
+++ b/IRaCIS.Core.Application/Helper/OSSService.cs
@@ -573,7 +573,15 @@ namespace IRaCIS.Core.Application.Helper
 
 
 
-                var objects =  minioClient.ListObjectsAsync(listArgs).ToListObservable().Select(t => t.Key).ToList();
+                // 创建一个空列表用于存储对象键
+                var objects = new List<string>();
+
+                // 使用 await foreach 来异步迭代对象列表
+                await foreach (var item in minioClient.ListObjectsEnumAsync(listArgs))
+                {
+                    objects.Add(item.Key);
+                }
+
 
                 if (objects.Count > 0)
                 {
@@ -605,37 +613,38 @@ namespace IRaCIS.Core.Application.Helper
 
                 var amazonS3Client = new AmazonS3Client(credentials, clientConfig);
 
-                try
+                // 列出指定前缀下的所有对象
+                var listObjectsRequest = new ListObjectsV2Request
                 {
-                    ListObjectsResponse objectListing = null;
-                    string nextMarker = null;
-                    do
+                    BucketName = awsConfig.BucketName,
+                    Prefix = prefix
+                };
+
+                var listObjectsResponse = await amazonS3Client.ListObjectsV2Async(listObjectsRequest);
+
+                if (listObjectsResponse.S3Objects.Count > 0)
+                {
+                    // 准备删除请求
+                    var deleteObjectsRequest = new Amazon.S3.Model.DeleteObjectsRequest
                     {
-                        // 使用 prefix 模拟目录结构，设置 MaxKeys 和 NextMarker
-                        objectListing = await amazonS3Client.ListObjectsAsync(new Amazon.S3.Model.ListObjectsRequest()
+                        BucketName = awsConfig.BucketName,
+                        Objects = new List<KeyVersion>()
+                    };
+
+                    foreach (var s3Object in listObjectsResponse.S3Objects)
+                    {
+                        deleteObjectsRequest.Objects.Add(new KeyVersion
                         {
-                            Prefix = prefix,
-                            MaxKeys = 1000,
-                            Marker = nextMarker
+                            Key = s3Object.Key
                         });
+                    }
 
-                        //List<string> keys = objectListing.CommonPrefixes.Select(t => t.Key).ToList();
-
-                        //// 删除获取到的文件
-                        //if (keys.Count > 0)
-                        //{
-                        //  //await  amazonS3Client.DeleteObjectsAsync(new Amazon.S3.Model.DeleteObjectsRequest() { BucketName=awsConfig.BucketName,k}awsConfig.BucketName, keys, false));
-                        //}
-
-                        // 设置 NextMarker 以获取下一页的数据
-                        nextMarker = objectListing.NextMarker;
-
-                    } while (objectListing.IsTruncated);
-                }
-                catch (Exception ex)
-                {
-                    Console.WriteLine($"Error: {ex.Message}");
+                    // 批量删除对象
+                    var deleteObjectsResponse = await amazonS3Client.DeleteObjectsAsync(deleteObjectsRequest);
                 }
+
+               
+
             }
             else
             {