diff --git a/demo/demo.py b/demo/demo.py
index 31195748..88fe4964 100644
--- a/demo/demo.py
+++ b/demo/demo.py
@@ -19,7 +19,7 @@
 # appid已在配置中移除,请在参数Bucket中带上appid。Bucket由bucketname-appid组成
 secret_id = 'AKID15IsskiBQACGbAo6WhgcQbVls7HmuG00'     # 替换为用户的secret_id
 secret_key = 'csivKvxxrMvSvQpMWHuIz12pThQQlWRW'     # 替换为用户的secret_key
-region = 'ap-beijing-1'    # 替换为用户的region
+region = 'ap-beijing'    # 替换为用户的region
 token = None               # 使用临时密钥需要传入Token，默认为空,可不填
 config = CosConfig(Region=region, SecretId=secret_id, SecretKey=secret_key, Token=token)  # 获取配置对象
 client = CosS3Client(config)
diff --git a/demo/fetch_demo.py b/demo/fetch_demo.py
new file mode 100644
index 00000000..025ccf6d
--- /dev/null
+++ b/demo/fetch_demo.py
@@ -0,0 +1,37 @@
+# -*- coding=utf-8
+from qcloud_cos import CosConfig
+from qcloud_cos import CosS3Client
+from qcloud_cos import CosServiceError
+from qcloud_cos import CosClientError
+
+import sys
+import logging
+
+
+logging.basicConfig(level=logging.INFO, stream=sys.stdout)
+
+# 设置用户属性, 包括secret_id, secret_key, region
+# appid已在配置中移除,请在参数Bucket中带上appid。Bucket由bucketname-appid组成
+secret_id = ''     # 替换为用户的secret_id
+secret_key = ''     # 替换为用户的secret_key
+region = 'ap-beijing'    # 替换为用户的region
+token = None               # 使用临时密钥需要传入Token，默认为空,可不填
+scheme = 'http'
+config = CosConfig(Region=region, SecretId=secret_id, SecretKey=secret_key, Token=token, Scheme=scheme)  # 获取配置对象
+client = CosS3Client(config)
+
+test_bucket = 'examplebucket-1250000000'
+# 发起拉取任务
+response = client.put_async_fetch_task(
+    Bucket=test_bucket,
+    FetchTaskConfiguration={
+        'Url': 'http://examplebucket-1250000000.cos.ap-beijing.myqcloud.com/exampleobject',
+        'Key': 'exampleobject'
+    }
+)
+
+# 查询拉取任务
+response = client.get_async_fetch_task(
+    Bucket=test_bucket,
+    TaskId=response['data']['taskid']
+)
diff --git a/qcloud_cos/version.py b/qcloud_cos/version.py
index be46c417..c267e462 100644
--- a/qcloud_cos/version.py
+++ b/qcloud_cos/version.py
@@ -1,2 +1,2 @@
 
-__version__ = '5.1.8.1'
+__version__ = '5.1.8.2'
diff --git a/setup.py b/setup.py
index 930d2fae..cb98d87a 100644
--- a/setup.py
+++ b/setup.py
@@ -16,7 +16,7 @@ def long_description():
 
 setup(
     name='cos-python-sdk-v5',
-    version='1.8.1',
+    version='1.8.2',
     url='https://www.qcloud.com/',
     license='MIT',
     author='tiedu, lewzylu, channingliu',