diff --git a/.travis.yml b/.travis.yml
index d926594e..bdffad6d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,6 +6,7 @@ python:
 - '3.6'
 - '3.8'
 - '3.9'
+- "3.10"
 install:
 - pip install requests
 - pip install six
diff --git a/qcloud_cos/cos_client.py b/qcloud_cos/cos_client.py
index 953c3ab7..73e66d1f 100644
--- a/qcloud_cos/cos_client.py
+++ b/qcloud_cos/cos_client.py
@@ -30,6 +30,11 @@
 from .select_event_stream import EventStream
 from .resumable_downloader import ResumableDownLoader
 
+# python 3.10报错"module 'collections' has no attribute 'Iterable'"，这里先规避
+if sys.version_info.major >= 3 and sys.version_info.minor >= 10:
+    import collections.abc
+    collections.Iterable = collections.abc.Iterable
+
 logger = logging.getLogger(__name__)
 
 
@@ -253,14 +258,14 @@ def set_built_in_connection_pool_max_size(self, PoolConnections, PoolMaxSize):
         # 重新绑定到内置连接池
         if rebound:
             self._session = CosS3Client.__built_in_sessions
-            logger.warn("rebound built-in connection pool success. maxsize=%d,%d" % (PoolConnections, PoolMaxSize))
+            logger.info("rebound built-in connection pool success. maxsize=%d,%d" % (PoolConnections, PoolMaxSize))
 
     def generate_built_in_connection_pool(self, PoolConnections, PoolMaxSize):
         """生成SDK内置的连接池，此连接池是client间共用的"""
         built_in_sessions = requests.session()
         built_in_sessions.mount('http://', requests.adapters.HTTPAdapter(pool_connections=PoolConnections, pool_maxsize=PoolMaxSize))
         built_in_sessions.mount('https://', requests.adapters.HTTPAdapter(pool_connections=PoolConnections, pool_maxsize=PoolMaxSize))
-        logger.warn("generate built-in connection pool success. maxsize=%d,%d" % (PoolConnections, PoolMaxSize))
+        logger.info("generate built-in connection pool success. maxsize=%d,%d" % (PoolConnections, PoolMaxSize))
         return built_in_sessions
 
     def get_conf(self):
diff --git a/qcloud_cos/cos_threadpool.py b/qcloud_cos/cos_threadpool.py
index 588ca551..dcafecce 100644
--- a/qcloud_cos/cos_threadpool.py
+++ b/qcloud_cos/cos_threadpool.py
@@ -30,7 +30,7 @@ def run(self):
                 self._ret.append(ret)
 
             except Exception as e:
-                logger.warn(str(e))
+                logger.error(str(e))
                 self._fail_task_num += 1
                 if hasattr(e, '_message') and e._message:
                     self._ret.append(e._message)
diff --git a/qcloud_cos/version.py b/qcloud_cos/version.py
index 9a26a643..2585df26 100644
--- a/qcloud_cos/version.py
+++ b/qcloud_cos/version.py
@@ -1 +1 @@
-__version__ = '5.1.9.19'
+__version__ = '5.1.9.20'
diff --git a/setup.py b/setup.py
index e8706a73..4a76a05b 100644
--- a/setup.py
+++ b/setup.py
@@ -33,7 +33,7 @@ def long_description():
 
 setup(
     name='cos-python-sdk-v5',
-    version='1.9.19',
+    version='1.9.20',
     url='https://www.qcloud.com/',
     license='MIT',
     author='tiedu, lewzylu, channingliu',