diff --git a/oss2/api.py b/oss2/api.py
index a9994713..e46c39a6 100644
--- a/oss2/api.py
+++ b/oss2/api.py
@@ -219,6 +219,7 @@ def _do(self, method, bucket_name, key, **kwargs):
         key = to_string(key)
         req = http.Request(method, self._make_url(bucket_name, key),
                            app_name=self.app_name,
+                           proxies=self.proxies,
                            **kwargs)
         self.auth._sign_request(req, bucket_name, key)
 
@@ -400,6 +401,7 @@ class Bucket(_Base):
 
 
     def __init__(self, auth, endpoint, bucket_name,
+                 proxies=None,
                  is_cname=False,
                  session=None,
                  connect_timeout=None,
@@ -412,6 +414,7 @@ def __init__(self, auth, endpoint, bucket_name,
         self.bucket_name = bucket_name.strip()
         if utils.is_valid_bucket_name(self.bucket_name) is not True:
             raise ClientError("The bucket_name is invalid, please check it.")
+        self.proxies = proxies
 
     def sign_url(self, method, key, expires, headers=None, params=None, slash_safe=False):
         """生成签名URL。
diff --git a/oss2/http.py b/oss2/http.py
index 3df4628b..b323978e 100644
--- a/oss2/http.py
+++ b/oss2/http.py
@@ -44,6 +44,7 @@ def do_request(self, req, timeout):
                                                  data=req.data,
                                                  params=req.params,
                                                  headers=req.headers,
+                                                 proxies=req.proxies,
                                                  stream=True,
                                                  timeout=timeout))
         except requests.RequestException as e:
@@ -55,11 +56,13 @@ def __init__(self, method, url,
                  data=None,
                  params=None,
                  headers=None,
+                 proxies=None,
                  app_name=''):
         self.method = method
         self.url = url
         self.data = _convert_request_body(data)
         self.params = params or {}
+        self.proxies = proxies
 
         if not isinstance(headers, CaseInsensitiveDict):
             self.headers = CaseInsensitiveDict(headers)