diff --git a/IRaCIS.Core.Application/Helper/OSSService.cs b/IRaCIS.Core.Application/Helper/OSSService.cs
index 018b7f26e..e0ff9b30f 100644
--- a/IRaCIS.Core.Application/Helper/OSSService.cs
+++ b/IRaCIS.Core.Application/Helper/OSSService.cs
@@ -249,7 +249,7 @@ public class OSSService : IOSSService
 
                               LifeCycleExpiration =
                                 {
-                                    Days = 30
+                                    Days = 30 //最后一次修改时间
                                 },
                             StorageClass = StorageClass.Archive
                         }
@@ -302,8 +302,8 @@ public class OSSService : IOSSService
             //提供awsEndPoint（域名）进行访问配置
             var clientConfig = new AmazonS3Config
             {
-                RegionEndpoint = RegionEndpoint.USEast1,
-                UseHttp = true,
+                RegionEndpoint = RegionEndpoint.GetBySystemName(awsConfig.Region)
+                //,UseHttp = true,
             };
 
             var amazonS3Client = new AmazonS3Client(credentials, clientConfig);
@@ -333,15 +333,15 @@ public class OSSService : IOSSService
                 Transitions = new List<LifecycleTransition>
                 {
                     // 1天后转为低频访问 (Standard-IA)
-                    new LifecycleTransition
-                    {
-                        Days = 1,
-                        StorageClass = S3StorageClass.StandardInfrequentAccess // 对应S3 Standard-IA
-                    },
+                    //new LifecycleTransition
+                    //{
+                    //    Days = 1, //Days' in Transition action must be greater than or equal to 30 for storageClass 'STANDARD_IA'"
+                    //    StorageClass = S3StorageClass.StandardInfrequentAccess // 对应S3 Standard-IA
+                    //},
                     // 30天后转为归档 (Glacier Instant Retrieval)
                     new LifecycleTransition
                     {
-                        Days = 30,
+                        Days = 30, //创建时间
                         StorageClass = S3StorageClass.GlacierInstantRetrieval // 对应归档（即时检索）
                     }
                     // 如果需要更深的归档，可以继续添加：
@@ -765,8 +765,8 @@ public class OSSService : IOSSService
                     //提供awsEndPoint（域名）进行访问配置
                     var clientConfig = new AmazonS3Config
                     {
-                        RegionEndpoint = RegionEndpoint.USEast1,
-                        UseHttp = true,
+                        RegionEndpoint = RegionEndpoint.GetBySystemName(awsConfig.Region)
+                        //,UseHttp = true,
                     };
 
                     var amazonS3Client = new AmazonS3Client(credentials, clientConfig);
@@ -891,8 +891,8 @@ public class OSSService : IOSSService
             //提供awsEndPoint（域名）进行访问配置
             var clientConfig = new AmazonS3Config
             {
-                RegionEndpoint = RegionEndpoint.USEast1,
-                UseHttp = true,
+                RegionEndpoint = RegionEndpoint.GetBySystemName(awsConfig.Region)
+                //,UseHttp = true,
             };
 
             var amazonS3Client = new AmazonS3Client(credentials, clientConfig);
@@ -966,8 +966,8 @@ public class OSSService : IOSSService
                 //提供awsEndPoint（域名）进行访问配置
                 var clientConfig = new AmazonS3Config
                 {
-                    RegionEndpoint = RegionEndpoint.USEast1,
-                    UseHttp = true,
+                    RegionEndpoint = RegionEndpoint.GetBySystemName(awsConfig.Region)
+                    //,UseHttp = true,
                 };
 
                 var amazonS3Client = new AmazonS3Client(credentials, clientConfig);
@@ -1172,8 +1172,8 @@ public class OSSService : IOSSService
                 //提供awsEndPoint（域名）进行访问配置
                 var clientConfig = new AmazonS3Config
                 {
-                    RegionEndpoint = RegionEndpoint.USEast1,
-                    UseHttp = true,
+                    RegionEndpoint = RegionEndpoint.GetBySystemName(awsConfig.Region)
+                    //,UseHttp = true,
                 };
 
                 var amazonS3Client = new AmazonS3Client(credentials, clientConfig);
@@ -1546,8 +1546,8 @@ public class OSSService : IOSSService
             //提供awsEndPoint（域名）进行访问配置
             var clientConfig = new AmazonS3Config
             {
-                RegionEndpoint = RegionEndpoint.USEast1,
-                UseHttp = true,
+                RegionEndpoint = RegionEndpoint.GetBySystemName(awsConfig.Region)
+                //,UseHttp = true,
             };
 
             var amazonS3Client = new AmazonS3Client(credentials, clientConfig);
@@ -1653,8 +1653,8 @@ public class OSSService : IOSSService
             //提供awsEndPoint（域名）进行访问配置
             var clientConfig = new AmazonS3Config
             {
-                RegionEndpoint = RegionEndpoint.USEast1,
-                UseHttp = true,
+                RegionEndpoint = RegionEndpoint.GetBySystemName(awsConfig.Region)
+                //,UseHttp = true,
             };
 
             var amazonS3Client = new AmazonS3Client(credentials, clientConfig);
@@ -1728,8 +1728,8 @@ public class OSSService : IOSSService
             //提供awsEndPoint（域名）进行访问配置
             var clientConfig = new AmazonS3Config
             {
-                RegionEndpoint = RegionEndpoint.USEast1,
-                UseHttp = true,
+                RegionEndpoint = RegionEndpoint.GetBySystemName(awsConfig.Region)
+                //,UseHttp = true,
             };
 
             var request = new Amazon.S3.Model.GetObjectMetadataRequest
@@ -1813,9 +1813,16 @@ public class OSSService : IOSSService
         {
             var awsOptions = ObjectStoreServiceOptions.AWS;
 
+
+            // 创建 STS 客户端（考虑使用 RegionEndpoint）
+            var stsConfig = new AmazonSecurityTokenServiceConfig
+            {
+                RegionEndpoint = RegionEndpoint.GetBySystemName(awsOptions.Region)
+            };
+
             //aws 临时凭证
             // 创建 STS 客户端
-            var stsClient = new AmazonSecurityTokenServiceClient(awsOptions.AccessKeyId, awsOptions.SecretAccessKey);
+            var stsClient = new AmazonSecurityTokenServiceClient(awsOptions.AccessKeyId, awsOptions.SecretAccessKey, stsConfig);
 
             // 使用 AssumeRole 请求临时凭证
             var assumeRoleRequest = new AssumeRoleRequest
diff --git a/IRaCIS.Core.Application/TestService.cs b/IRaCIS.Core.Application/TestService.cs
index 7f1a56c7e..fd751a860 100644
--- a/IRaCIS.Core.Application/TestService.cs
+++ b/IRaCIS.Core.Application/TestService.cs
@@ -112,9 +112,9 @@ namespace IRaCIS.Core.Application.Service
         {
             if (storageClass == StorageClass.IA || storageClass == StorageClass.Archive || storageClass == StorageClass.ColdArchive || storageClass == StorageClass.DeepColdArchive)
             {
-                //await _IOSSService.SetImmediateArchiveRule($"Test-Archive/Archive{(int)storageClass}/");
+                await _IOSSService.SetImmediateArchiveRule($"Test-Archive/Archive{(int)storageClass}/");
 
-                await _IOSSService.RestoreFilesByPrefixAsync($"Test-Archive/Archive{(int)storageClass}/");
+                //await _IOSSService.RestoreFilesByPrefixAsync($"Test-Archive/Archive{(int)storageClass}/");
 
             }