diff --git a/qiniu/auth.py b/qiniu/auth.py
index ff1be077..5e49693d 100644
--- a/qiniu/auth.py
+++ b/qiniu/auth.py
@@ -36,7 +36,7 @@
     'persistentNotifyUrl',  # 持久化处理结果通知URL
     'persistentPipeline',  # 持久化处理独享队列
     'deleteAfterDays',  # 文件多少天后自动删除
-    'fileType',  # 文件的存储类型，0为标准存储，1为低频存储，2为归档存储，3为深度归档存储
+    'fileType',  # 文件的存储类型，0为标准存储，1为低频存储，2为归档存储，3为深度归档存储，4为归档直读存储
     'isPrefixalScope'  # 指定上传文件必须使用的前缀
 ])
 
diff --git a/qiniu/services/storage/bucket.py b/qiniu/services/storage/bucket.py
index efb2c9b4..0f1106f5 100644
--- a/qiniu/services/storage/bucket.py
+++ b/qiniu/services/storage/bucket.py
@@ -60,8 +60,8 @@ def list(self, bucket, prefix=None, marker=None, limit=None, delimiter=None):
             options['delimiter'] = delimiter
 
         ak = self.auth.get_access_key()
-        rs_host = self.zone.get_rsf_host(ak, bucket)
-        url = '{0}/list'.format(rs_host)
+        rsf_host = self.zone.get_rsf_host(ak, bucket)
+        url = '{0}/list'.format(rsf_host)
         ret, info = self.__get(url, options)
 
         eof = False
@@ -243,7 +243,7 @@ def change_type(self, bucket, key, storage_type):
         Args:
             bucket:         待操作资源所在空间
             key:            待操作资源文件名
-            storage_type:   待操作资源存储类型，0为普通存储，1为低频存储，2 为归档存储，3 为深度归档
+            storage_type:   待操作资源存储类型，0为普通存储，1为低频存储，2 为归档存储，3 为深度归档，4 为归档直读存储
         """
         resource = entry(bucket, key)
         return self.__rs_do(bucket, 'chtype', resource, 'type/{0}'.format(storage_type))
@@ -289,7 +289,8 @@ def set_object_lifecycle(
         to_archive_after_days=0,
         to_deep_archive_after_days=0,
         delete_after_days=0,
-        cond=None
+        cond=None,
+        to_archive_ir_after_days=0
     ):
         """
 
@@ -303,6 +304,7 @@ def set_object_lifecycle(
             to_deep_archive_after_days: 多少天后将文件转为深度归档存储，设置为 -1 表示取消已设置的转深度归档存储的生命周期规则， 0 表示不修改转深度归档生命周期规则
             delete_after_days: 多少天后将文件删除，设置为 -1 表示取消已设置的删除存储的生命周期规则， 0 表示不修改删除存储的生命周期规则。
             cond: 匹配条件，只有条件匹配才会设置成功，当前支持设置 hash、mime、fsize、putTime。
+            to_archive_ir_after_days: 多少天后将文件转为归档直读存储，设置为 -1 表示取消已设置的转归档只读存储的生命周期规则， 0 表示不修改转归档只读存储生命周期规则。
 
         Returns:
             resBody, respInfo
@@ -310,6 +312,7 @@ def set_object_lifecycle(
         """
         options = [
             'toIAAfterDays', str(to_line_after_days),
+            'toArchiveIRAfterDays', str(to_archive_ir_after_days),
             'toArchiveAfterDays', str(to_archive_after_days),
             'toDeepArchiveAfterDays', str(to_deep_archive_after_days),
             'deleteAfterDays', str(delete_after_days)
diff --git a/qiniu/services/storage/uploaders/resume_uploader_v1.py b/qiniu/services/storage/uploaders/resume_uploader_v1.py
index 136ef7ab..af184780 100644
--- a/qiniu/services/storage/uploaders/resume_uploader_v1.py
+++ b/qiniu/services/storage/uploaders/resume_uploader_v1.py
@@ -544,7 +544,7 @@ def __upload_part(
         Parameters
         ----------
         data: IOBase
-        chunk_info: IOChunked
+        chunk_info: ChunkInfo
         up_hosts: list[str]
         up_token: str
         lock: Lock
diff --git a/test_qiniu.py b/test_qiniu.py
index 86072de5..0b07c9e3 100644
--- a/test_qiniu.py
+++ b/test_qiniu.py
@@ -592,6 +592,7 @@ def test_set_object_lifecycle(self):
             bucket=bucket_name,
             key=key,
             to_line_after_days=10,
+            to_archive_ir_after_days=15,
             to_archive_after_days=20,
             to_deep_archive_after_days=30,
             delete_after_days=40
@@ -609,6 +610,7 @@ def test_set_object_lifecycle_with_cond(self):
             bucket=bucket_name,
             key=key,
             to_line_after_days=10,
+            to_archive_ir_after_days=15,
             to_archive_after_days=20,
             to_deep_archive_after_days=30,
             delete_after_days=40,