diff --git a/doc/code-docs/source/checkpoint.rst b/doc/code-docs/source/checkpoint.rst
index cd9b755..de0c4cb 100644
--- a/doc/code-docs/source/checkpoint.rst
+++ b/doc/code-docs/source/checkpoint.rst
@@ -39,7 +39,7 @@ CheckpointManager
       load_ckpt_folder=dict(path="local:/mnt/mfs/ckpt", content=["all",], ckpt_type="internlm"), 
       auto_resume=False, # disable auto-resume, internlm will load model checkpoint from the path of 'load_ckpt_folder'.
       checkpoint_every=CHECKPOINT_EVERY,
-      async_upload=True,  # async ckpt upload. (only work for boto3 ckpt)
+      async_upload=True,  # async ckpt upload. (only work for boto3 and volc ckpt)
       async_upload_tmp_folder="/dev/shm/internlm_tmp_ckpt/",  # path for temporarily files during asynchronous upload.
       oss_snapshot_freq=int(CHECKPOINT_EVERY / 2),  # snapshot ckpt save frequency.
   )
@@ -67,7 +67,9 @@ InternLM对config中出现的所有存储路径都遵循以下的路径格式约
 
 1. 如果需要使用boto3的路径，需要在运行前提前导入 ``S3_ACCESS_KEY_ID`` 和 ``S3_SECRET_ACCESS_KEY_ID`` 这两个环境变量。
 
-2. bucket的endpoint一般分为Inside IP和Outside IP，如果可以尽量使用inside IP，会获得更佳的存储速度。
+2. 如果需要使用volc的路径，需要在运行前提前导入 ``VOLC_ACCESS_KEY_ID`` 和 ``VOLC_SECRET_ACCESS_KEY_ID`` 这两个环境变量。
+
+3. bucket的endpoint一般分为Inside IP和Outside IP，如果可以尽量使用inside IP，会获得更佳的存储速度。
 
 
 
@@ -114,7 +116,7 @@ config.ckpt 中相关的参数：
 
 - ``async_upload_tmp_folder``: 异步上传临时存储路径。参数类型 ``str/None``, 默认值为 ``/dev/shm/{JOB_NAME}_tmp_ckpt/``。
 
-需要注意的是，异步上传功能仅在backend为boto3时才会有效果，bcakend为local时只支持同步存储。
+需要注意的是，异步上传功能仅在backend为boto3或volc时才会有效果，bcakend为local时只支持同步存储。
 
 ``async_upload_tmp_folder`` 设置的的原则为尽量设置为计算节点的local目录，这样才可以获得最佳的异步上传速度，一般来说建议为 ``/dev/shm`` 或 ``/nvme`` 下的路径，如果使用同步上传，则该路径可不给。
 
diff --git a/doc/imgs/ckpt_path_format_CN.png b/doc/imgs/ckpt_path_format_CN.png
index 0307d22..0b21f54 100644
Binary files a/doc/imgs/ckpt_path_format_CN.png and b/doc/imgs/ckpt_path_format_CN.png differ
diff --git a/internlm/utils/storage_manager.py b/internlm/utils/storage_manager.py
index d244034..89f8023 100644
--- a/internlm/utils/storage_manager.py
+++ b/internlm/utils/storage_manager.py
@@ -133,6 +133,7 @@ class VolcMetaInfo:
         handler: StorageClient,
         bucket_name: str,
         endpoint: str,
+        region: str,
         file_path: str,
         async_upload_fn: callable,
         local_nvme_path=None,
@@ -145,11 +146,12 @@ class VolcMetaInfo:
         self.local_nvme_path = local_nvme_path
         self.is_async = is_async
         self.endpoint = endpoint
+        self.region = region
         self.async_upload_fn = async_upload_fn
 
     def __str__(self) -> str:
         return f"is_async: {self.is_async}, bucket_name:{self.bucket_name}, endpoint:{self.endpoint}, \
-local_nvme_path: {self.local_nvme_path}"
+region:{self.region}, local_nvme_path: {self.local_nvme_path}"
 
     @staticmethod
     def unpack_volc_save_meta(meta):
@@ -368,14 +370,16 @@ class VolcClient(StorageClient):
 
     def __init__(
         self,
+        endpoint: str,
+        region: str,
     ) -> None:
         """Volc object/file storage management class
 
-        Env variables:
-            access_key (str): Access key ID get from "VOLC_ACCESS_KEY_ID".
-            secret_key (str): Secret access key get from "VOLC_SECRET_ACCESS_KEY_ID".
-            endpoint (str): Get from "VOLC_ENDPOINT".
-            region (str): Get from "VOLC_REGION".
+        Args:
+            access_key (str): Volc access key ID.
+            secret_key (str): Volc secret access key.
+            endpoint (str): Volc tos endpoint.
+            region (str): Volc tos region.
 
         """
         super().__init__(tos)
@@ -383,12 +387,10 @@ class VolcClient(StorageClient):
         try:
             access_key = os.environ["VOLC_ACCESS_KEY_ID"]
             secret_key = os.environ["VOLC_SECRET_ACCESS_KEY_ID"]
-            endpoint = os.environ["VOLC_ENDPOINT"]
-            region = os.environ["VOLC_REGION"]
         except KeyError as exc:
             raise RuntimeError(
                 "Please set 'VOLC_ACCESS_KEY_ID' and 'VOLC_SECRET_ACCESS_KEY_ID'",
-                "and 'VOLC_ENDPOINT' and 'VOLC_REGION' using environment variable!",
+                "using environment variable!",
             ) from exc
 
         self.client = self.handler.TosClientV2(access_key, secret_key, endpoint, region)
@@ -580,7 +582,11 @@ def get_volc_meta(fp: str, tmp_local_folder: str, is_async: bool) -> VolcMetaInf
     match = volc_url_re.match(parts[0])
     assert match is not None, f"url '{fp}' is not a valid volc url"
     bucket_name, endpoint = match.group(1), match.group(2)
-    endpoint = "http://" + endpoint + ":80"
+    temp_part = endpoint.split(".")
+    endpoint = ".".join(temp_part[1:])
+    region = temp_part[1].split("-")
+    region = "-".join(region[1:])
+
     if is_async:
         tmp_step_file = get_tmp_file_name(tmp_local_folder, fp)
     else:
@@ -590,6 +596,7 @@ def get_volc_meta(fp: str, tmp_local_folder: str, is_async: bool) -> VolcMetaInf
         handler=None,
         bucket_name=bucket_name,
         endpoint=endpoint,
+        region=region,
         file_path=os.path.sep.join(parts[1:]),
         async_upload_fn=VolcClient.async_upload_fileobj,
         local_nvme_path=tmp_step_file,
@@ -720,7 +727,10 @@ class StorageManager(metaclass=SingletonMeta):
         elif backend == "volc":
             meta_info = get_volc_meta(path, self.tmp_local_folder, async_mode)
             backend_key = backend + ":" + meta_info.endpoint
-            init_args = (meta_info.endpoint,)
+            init_args = (
+                meta_info.endpoint,
+                meta_info.region,
+            )
             if (
                 "http_proxy" in os.environ
                 or "https_proxy" in os.environ
diff --git a/tests/test_utils/test_storage_manager.py b/tests/test_utils/test_storage_manager.py
index e5f60c4..949c5ef 100644
--- a/tests/test_utils/test_storage_manager.py
+++ b/tests/test_utils/test_storage_manager.py
@@ -6,9 +6,9 @@ import torch
 from internlm.core.context.parallel_context import Config
 from internlm.initialize.launch import get_config_value
 from tests.test_utils.common_fixture import (  # noqa # pylint: disable=unused-import
-    ASYNC_TMP_FOLDER,
     BOTO_SAVE_PATH,
     LOCAL_SAVE_PATH,
+    VOLC_SAVE_PATH,
     del_tmp_file,
     init_dist_and_model,
     reset_singletons,
@@ -48,6 +48,22 @@ ckpt_config_list = [
         save_folder=LOCAL_SAVE_PATH,
         test_id=3,
     ),
+    # async volc
+    dict(
+        enable_save_ckpt=True,
+        async_upload_tmp_folder=ASYNC_TMP_FOLDER,
+        async_upload=True,
+        save_folder=VOLC_SAVE_PATH,
+        test_id=4,
+    ),
+    # sync volc
+    dict(
+        enable_save_ckpt=True,
+        async_upload_tmp_folder=None,
+        async_upload=False,
+        save_folder=VOLC_SAVE_PATH,
+        test_id=5,
+    ),
 ]
 
 
@@ -97,6 +113,9 @@ internlm_ckpt_path = [
     ("/mnt/ckpt/", "local", "/mnt/ckpt/"),
     ("./ckpt/", "local", "./ckpt/"),
     ("s3://oss_bucket/", "boto3", "s3://oss_bucket/"),
+    ("volc:vc://oss_bucket/", "volc", "vc://oss_bucket/"),
+    ("volc:oss_bucket/", "volc", "oss_bucket/"),
+    ("vc://oss_bucket/", "volc", "vc://oss_bucket/"),
 ]