diff --git a/qcloud_cos/cos_client.py b/qcloud_cos/cos_client.py
index f2658111..d3ba6194 100644
--- a/qcloud_cos/cos_client.py
+++ b/qcloud_cos/cos_client.py
@@ -108,6 +108,7 @@ def uri(self, bucket, path=None, endpoint=None):
             if path[0] == u'/':
                 path = path[1:]
             path = quote(to_bytes(path), '/-_.~')
+            path = path.replace('./', '.%2F')
             request_url = u"{scheme}://{url}/{path}".format(
                 scheme=to_unicode(scheme),
                 url=to_unicode(url),
@@ -163,6 +164,10 @@ def __init__(self, conf, retry=1, session=None):
         else:
             self._session = session
 
+    def get_conf():
+        """获取配置"""
+        return self._conf
+
     def get_auth(self, Method, Bucket, Key, Expired=300, Headers={}, Params={}):
         """获取签名
 
diff --git a/qcloud_cos/version.py b/qcloud_cos/version.py
index 72954835..267837ae 100644
--- a/qcloud_cos/version.py
+++ b/qcloud_cos/version.py
@@ -1,2 +1,2 @@
 
-__version__ = '5.1.7.2'
+__version__ = '5.1.7.3'
diff --git a/setup.py b/setup.py
index c0c497ed..184bbb9f 100644
--- a/setup.py
+++ b/setup.py
@@ -16,7 +16,7 @@ def long_description():
 
 setup(
     name='cos-python-sdk-v5',
-    version='1.7.1',
+    version='1.7.3',
     url='https://www.qcloud.com/',
     license='MIT',
     author='tiedu, lewzylu, channingliu',