diff --git a/CHANGELOG.md b/CHANGELOG.md
index 782cc0bf6..69ee957c2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,12 @@
+## 3.0.12-beta 2020-09-11
+## HuaweiCloud SDK Meeting
+ - ### Features
+    - None
+ - ### Bug Fix
+    - Fix failed to create credentials
+ - ### Change
+    - None
+
 # 3.0.11-beta 2020-09-09
 ## HuaweiCloud SDK DMS
  - ### Features
diff --git a/CHANGELOG_CN.md b/CHANGELOG_CN.md
index 2e73bc7d1..644af8c39 100644
--- a/CHANGELOG_CN.md
+++ b/CHANGELOG_CN.md
@@ -1,3 +1,12 @@
+## 3.0.12-beta 2020-09-11
+## HuaweiCloud SDK Meeting
+ - ### 新增特性
+    - 无 
+ - ### 解决问题
+    - 修复创建认证凭证失败的问题
+ - ### 特性变更
+    - 无 
+
 # 3.0.11-beta 2020-09-09
 ## HuaweiCloud SDK DMS
  - ### 新增特性
diff --git a/examples/setup.py b/examples/setup.py
index a76146851..9ac5d111f 100644
--- a/examples/setup.py
+++ b/examples/setup.py
@@ -21,7 +21,7 @@
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkexample"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-apig/setup.py b/huaweicloud-sdk-apig/setup.py
index d71f27d34..b41bb7825 100644
--- a/huaweicloud-sdk-apig/setup.py
+++ b/huaweicloud-sdk-apig/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkapig"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-as/setup.py b/huaweicloud-sdk-as/setup.py
index 8678f6548..22c17bac2 100644
--- a/huaweicloud-sdk-as/setup.py
+++ b/huaweicloud-sdk-as/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkas"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-bss/setup.py b/huaweicloud-sdk-bss/setup.py
index 0d65e8170..f2e3ab0bb 100644
--- a/huaweicloud-sdk-bss/setup.py
+++ b/huaweicloud-sdk-bss/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkbss"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-bssintl/setup.py b/huaweicloud-sdk-bssintl/setup.py
index 301cad606..11dd8c592 100644
--- a/huaweicloud-sdk-bssintl/setup.py
+++ b/huaweicloud-sdk-bssintl/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkbssintl"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-cbr/huaweicloudsdkcbr/v1/__init__.py b/huaweicloud-sdk-cbr/huaweicloudsdkcbr/v1/__init__.py
index 310f3a715..07389bb04 100644
--- a/huaweicloud-sdk-cbr/huaweicloudsdkcbr/v1/__init__.py
+++ b/huaweicloud-sdk-cbr/huaweicloudsdkcbr/v1/__init__.py
@@ -38,6 +38,7 @@ from huaweicloudsdkcbr.v1.model.checkpoint_replicate_param import CheckpointRepl
 from huaweicloudsdkcbr.v1.model.checkpoint_replicate_req import CheckpointReplicateReq
 from huaweicloudsdkcbr.v1.model.checkpoint_replicate_resp_body import CheckpointReplicateRespBody
 from huaweicloudsdkcbr.v1.model.checkpoint_replicate_respbackups import CheckpointReplicateRespbackups
+from huaweicloudsdkcbr.v1.model.checkpoint_resource_resp import CheckpointResourceResp
 from huaweicloudsdkcbr.v1.model.copy_backup_request import CopyBackupRequest
 from huaweicloudsdkcbr.v1.model.copy_backup_response import CopyBackupResponse
 from huaweicloudsdkcbr.v1.model.copy_checkpoint_request import CopyCheckpointRequest
diff --git a/huaweicloud-sdk-cbr/huaweicloudsdkcbr/v1/model/__init__.py b/huaweicloud-sdk-cbr/huaweicloudsdkcbr/v1/model/__init__.py
index 39b1decb0..c0ea15c7e 100644
--- a/huaweicloud-sdk-cbr/huaweicloudsdkcbr/v1/model/__init__.py
+++ b/huaweicloud-sdk-cbr/huaweicloudsdkcbr/v1/model/__init__.py
@@ -35,6 +35,7 @@ from huaweicloudsdkcbr.v1.model.checkpoint_replicate_param import CheckpointRepl
 from huaweicloudsdkcbr.v1.model.checkpoint_replicate_req import CheckpointReplicateReq
 from huaweicloudsdkcbr.v1.model.checkpoint_replicate_resp_body import CheckpointReplicateRespBody
 from huaweicloudsdkcbr.v1.model.checkpoint_replicate_respbackups import CheckpointReplicateRespbackups
+from huaweicloudsdkcbr.v1.model.checkpoint_resource_resp import CheckpointResourceResp
 from huaweicloudsdkcbr.v1.model.copy_backup_request import CopyBackupRequest
 from huaweicloudsdkcbr.v1.model.copy_backup_response import CopyBackupResponse
 from huaweicloudsdkcbr.v1.model.copy_checkpoint_request import CopyCheckpointRequest
diff --git a/huaweicloud-sdk-cbr/huaweicloudsdkcbr/v1/model/checkpoint_plan_create.py b/huaweicloud-sdk-cbr/huaweicloudsdkcbr/v1/model/checkpoint_plan_create.py
index 5d4cbf911..53e8d26cc 100644
--- a/huaweicloud-sdk-cbr/huaweicloudsdkcbr/v1/model/checkpoint_plan_create.py
+++ b/huaweicloud-sdk-cbr/huaweicloudsdkcbr/v1/model/checkpoint_plan_create.py
@@ -25,7 +25,7 @@ class CheckpointPlanCreate:
     openapi_types = {
         'id': 'str',
         'name': 'str',
-        'resources': 'list[ResourceResp]',
+        'resources': 'list[CheckpointResourceResp]',
         'skipped_resources': 'list[CheckpointCreateSkippedResource]'
     }
 
@@ -105,7 +105,7 @@ class CheckpointPlanCreate:
         备份对象
 
         :return: The resources of this CheckpointPlanCreate.
-        :rtype: list[ResourceResp]
+        :rtype: list[CheckpointResourceResp]
         """
         return self._resources
 
@@ -116,7 +116,7 @@ class CheckpointPlanCreate:
         备份对象
 
         :param resources: The resources of this CheckpointPlanCreate.
-        :type: list[ResourceResp]
+        :type: list[CheckpointResourceResp]
         """
         self._resources = resources
 
diff --git a/huaweicloud-sdk-cbr/huaweicloudsdkcbr/v1/model/checkpoint_resource_resp.py b/huaweicloud-sdk-cbr/huaweicloudsdkcbr/v1/model/checkpoint_resource_resp.py
new file mode 100644
index 000000000..16eed0d7d
--- /dev/null
+++ b/huaweicloud-sdk-cbr/huaweicloudsdkcbr/v1/model/checkpoint_resource_resp.py
@@ -0,0 +1,296 @@
+# coding: utf-8
+
+import pprint
+import re
+
+import six
+
+
+
+
+
+class CheckpointResourceResp:
+
+
+    """
+    Attributes:
+      openapi_types (dict): The key is attribute name
+                            and the value is attribute type.
+      attribute_map (dict): The key is attribute name
+                            and the value is json key in definition.
+    """
+
+    sensitive_list = []
+
+    openapi_types = {
+        'extra_info': 'str',
+        'id': 'str',
+        'name': 'str',
+        'protect_status': 'str',
+        'resource_size': 'str',
+        'type': 'str',
+        'backup_size': 'str',
+        'backup_count': 'str'
+    }
+
+    attribute_map = {
+        'extra_info': 'extra_info',
+        'id': 'id',
+        'name': 'name',
+        'protect_status': 'protect_status',
+        'resource_size': 'resource_size',
+        'type': 'type',
+        'backup_size': 'backup_size',
+        'backup_count': 'backup_count'
+    }
+
+    def __init__(self, extra_info=None, id=None, name=None, protect_status=None, resource_size=None, type=None, backup_size=None, backup_count=None):
+        """CheckpointResourceResp - a model defined in huaweicloud sdk"""
+        
+        
+
+        self._extra_info = None
+        self._id = None
+        self._name = None
+        self._protect_status = None
+        self._resource_size = None
+        self._type = None
+        self._backup_size = None
+        self._backup_count = None
+        self.discriminator = None
+
+        if extra_info is not None:
+            self.extra_info = extra_info
+        self.id = id
+        self.name = name
+        if protect_status is not None:
+            self.protect_status = protect_status
+        if resource_size is not None:
+            self.resource_size = resource_size
+        self.type = type
+        if backup_size is not None:
+            self.backup_size = backup_size
+        if backup_count is not None:
+            self.backup_count = backup_count
+
+    @property
+    def extra_info(self):
+        """Gets the extra_info of this CheckpointResourceResp.
+
+        资源附加信息
+
+        :return: The extra_info of this CheckpointResourceResp.
+        :rtype: str
+        """
+        return self._extra_info
+
+    @extra_info.setter
+    def extra_info(self, extra_info):
+        """Sets the extra_info of this CheckpointResourceResp.
+
+        资源附加信息
+
+        :param extra_info: The extra_info of this CheckpointResourceResp.
+        :type: str
+        """
+        self._extra_info = extra_info
+
+    @property
+    def id(self):
+        """Gets the id of this CheckpointResourceResp.
+
+        待备份资源id
+
+        :return: The id of this CheckpointResourceResp.
+        :rtype: str
+        """
+        return self._id
+
+    @id.setter
+    def id(self, id):
+        """Sets the id of this CheckpointResourceResp.
+
+        待备份资源id
+
+        :param id: The id of this CheckpointResourceResp.
+        :type: str
+        """
+        self._id = id
+
+    @property
+    def name(self):
+        """Gets the name of this CheckpointResourceResp.
+
+        待备份资源名称
+
+        :return: The name of this CheckpointResourceResp.
+        :rtype: str
+        """
+        return self._name
+
+    @name.setter
+    def name(self, name):
+        """Sets the name of this CheckpointResourceResp.
+
+        待备份资源名称
+
+        :param name: The name of this CheckpointResourceResp.
+        :type: str
+        """
+        self._name = name
+
+    @property
+    def protect_status(self):
+        """Gets the protect_status of this CheckpointResourceResp.
+
+        保护状态
+
+        :return: The protect_status of this CheckpointResourceResp.
+        :rtype: str
+        """
+        return self._protect_status
+
+    @protect_status.setter
+    def protect_status(self, protect_status):
+        """Sets the protect_status of this CheckpointResourceResp.
+
+        保护状态
+
+        :param protect_status: The protect_status of this CheckpointResourceResp.
+        :type: str
+        """
+        self._protect_status = protect_status
+
+    @property
+    def resource_size(self):
+        """Gets the resource_size of this CheckpointResourceResp.
+
+        资源已分配容量,单位为GB
+
+        :return: The resource_size of this CheckpointResourceResp.
+        :rtype: str
+        """
+        return self._resource_size
+
+    @resource_size.setter
+    def resource_size(self, resource_size):
+        """Sets the resource_size of this CheckpointResourceResp.
+
+        资源已分配容量,单位为GB
+
+        :param resource_size: The resource_size of this CheckpointResourceResp.
+        :type: str
+        """
+        self._resource_size = resource_size
+
+    @property
+    def type(self):
+        """Gets the type of this CheckpointResourceResp.
+
+        
+
+        :return: The type of this CheckpointResourceResp.
+        :rtype: str
+        """
+        return self._type
+
+    @type.setter
+    def type(self, type):
+        """Sets the type of this CheckpointResourceResp.
+
+        
+
+        :param type: The type of this CheckpointResourceResp.
+        :type: str
+        """
+        self._type = type
+
+    @property
+    def backup_size(self):
+        """Gets the backup_size of this CheckpointResourceResp.
+
+        副本大小
+
+        :return: The backup_size of this CheckpointResourceResp.
+        :rtype: str
+        """
+        return self._backup_size
+
+    @backup_size.setter
+    def backup_size(self, backup_size):
+        """Sets the backup_size of this CheckpointResourceResp.
+
+        副本大小
+
+        :param backup_size: The backup_size of this CheckpointResourceResp.
+        :type: str
+        """
+        self._backup_size = backup_size
+
+    @property
+    def backup_count(self):
+        """Gets the backup_count of this CheckpointResourceResp.
+
+        副本数量
+
+        :return: The backup_count of this CheckpointResourceResp.
+        :rtype: str
+        """
+        return self._backup_count
+
+    @backup_count.setter
+    def backup_count(self, backup_count):
+        """Sets the backup_count of this CheckpointResourceResp.
+
+        副本数量
+
+        :param backup_count: The backup_count of this CheckpointResourceResp.
+        :type: str
+        """
+        self._backup_count = backup_count
+
+    def to_dict(self):
+        """Returns the model properties as a dict"""
+        result = {}
+
+        for attr, _ in six.iteritems(self.openapi_types):
+            value = getattr(self, attr)
+            if isinstance(value, list):
+                result[attr] = list(map(
+                    lambda x: x.to_dict() if hasattr(x, "to_dict") else x,
+                    value
+                ))
+            elif hasattr(value, "to_dict"):
+                result[attr] = value.to_dict()
+            elif isinstance(value, dict):
+                result[attr] = dict(map(
+                    lambda item: (item[0], item[1].to_dict())
+                    if hasattr(item[1], "to_dict") else item,
+                    value.items()
+                ))
+            else:
+                if attr in self.sensitive_list:
+                    result[attr] = "****"
+                else:
+                    result[attr] = value
+
+        return result
+
+    def to_str(self):
+        """Returns the string representation of the model"""
+        return pprint.pformat(self.to_dict())
+
+    def __repr__(self):
+        """For `print` and `pprint`"""
+        return self.to_str()
+
+    def __eq__(self, other):
+        """Returns true if both objects are equal"""
+        if not isinstance(other, CheckpointResourceResp):
+            return False
+
+        return self.__dict__ == other.__dict__
+
+    def __ne__(self, other):
+        """Returns true if both objects are not equal"""
+        return not self == other
diff --git a/huaweicloud-sdk-cbr/setup.py b/huaweicloud-sdk-cbr/setup.py
index 1ee2b1f26..49b05010f 100644
--- a/huaweicloud-sdk-cbr/setup.py
+++ b/huaweicloud-sdk-cbr/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkcbr"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-ces/setup.py b/huaweicloud-sdk-ces/setup.py
index 94406dee5..d2513b2d1 100644
--- a/huaweicloud-sdk-ces/setup.py
+++ b/huaweicloud-sdk-ces/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkces"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-classroom/setup.py b/huaweicloud-sdk-classroom/setup.py
index c00744200..9a0acb535 100644
--- a/huaweicloud-sdk-classroom/setup.py
+++ b/huaweicloud-sdk-classroom/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkclassroom"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-cloudide/setup.py b/huaweicloud-sdk-cloudide/setup.py
index b33289f6a..857b9551b 100644
--- a/huaweicloud-sdk-cloudide/setup.py
+++ b/huaweicloud-sdk-cloudide/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkcloudide"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-cloudpipeline/setup.py b/huaweicloud-sdk-cloudpipeline/setup.py
index cd3826901..cc4b12ac0 100644
--- a/huaweicloud-sdk-cloudpipeline/setup.py
+++ b/huaweicloud-sdk-cloudpipeline/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkcloudpipeline"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-core/setup.py b/huaweicloud-sdk-core/setup.py
index 164c6ea02..775779438 100644
--- a/huaweicloud-sdk-core/setup.py
+++ b/huaweicloud-sdk-core/setup.py
@@ -22,7 +22,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkcore"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-cts/setup.py b/huaweicloud-sdk-cts/setup.py
index f66f85965..08e2e4449 100644
--- a/huaweicloud-sdk-cts/setup.py
+++ b/huaweicloud-sdk-cts/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkcts"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-dcs/setup.py b/huaweicloud-sdk-dcs/setup.py
index f9cca467a..7d24f5417 100644
--- a/huaweicloud-sdk-dcs/setup.py
+++ b/huaweicloud-sdk-dcs/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkdcs"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-dds/setup.py b/huaweicloud-sdk-dds/setup.py
index 878ae70d7..19348bd23 100644
--- a/huaweicloud-sdk-dds/setup.py
+++ b/huaweicloud-sdk-dds/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkdds"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-devstar/setup.py b/huaweicloud-sdk-devstar/setup.py
index cfa38f214..2ab714952 100644
--- a/huaweicloud-sdk-devstar/setup.py
+++ b/huaweicloud-sdk-devstar/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkdevstar"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-dms/setup.py b/huaweicloud-sdk-dms/setup.py
index 0ef8c9878..67a7f981e 100644
--- a/huaweicloud-sdk-dms/setup.py
+++ b/huaweicloud-sdk-dms/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkdms"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-ecs/setup.py b/huaweicloud-sdk-ecs/setup.py
index 28f33aa16..d84157b07 100644
--- a/huaweicloud-sdk-ecs/setup.py
+++ b/huaweicloud-sdk-ecs/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkecs"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-eps/setup.py b/huaweicloud-sdk-eps/setup.py
index c97386f4b..2b91790f3 100644
--- a/huaweicloud-sdk-eps/setup.py
+++ b/huaweicloud-sdk-eps/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkeps"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-evs/huaweicloudsdkevs/v2/model/create_volume_request_body.py b/huaweicloud-sdk-evs/huaweicloudsdkevs/v2/model/create_volume_request_body.py
index 059580d5a..b343d7a05 100644
--- a/huaweicloud-sdk-evs/huaweicloudsdkevs/v2/model/create_volume_request_body.py
+++ b/huaweicloud-sdk-evs/huaweicloudsdkevs/v2/model/create_volume_request_body.py
@@ -24,26 +24,31 @@ class CreateVolumeRequestBody:
 
     openapi_types = {
         'bss_param': 'BssParamForCreateVolume',
-        'volume': 'CreateVolumeOption'
+        'volume': 'CreateVolumeOption',
+        'server_id': 'str'
     }
 
     attribute_map = {
         'bss_param': 'bssParam',
-        'volume': 'volume'
+        'volume': 'volume',
+        'server_id': 'server_id'
     }
 
-    def __init__(self, bss_param=None, volume=None):
+    def __init__(self, bss_param=None, volume=None, server_id=None):
         """CreateVolumeRequestBody - a model defined in huaweicloud sdk"""
         
         
 
         self._bss_param = None
         self._volume = None
+        self._server_id = None
         self.discriminator = None
 
         if bss_param is not None:
             self.bss_param = bss_param
         self.volume = volume
+        if server_id is not None:
+            self.server_id = server_id
 
     @property
     def bss_param(self):
@@ -85,6 +90,28 @@ class CreateVolumeRequestBody:
         """
         self._volume = volume
 
+    @property
+    def server_id(self):
+        """Gets the server_id of this CreateVolumeRequestBody.
+
+        创建云硬盘并挂载到目标虚拟机。
+
+        :return: The server_id of this CreateVolumeRequestBody.
+        :rtype: str
+        """
+        return self._server_id
+
+    @server_id.setter
+    def server_id(self, server_id):
+        """Sets the server_id of this CreateVolumeRequestBody.
+
+        创建云硬盘并挂载到目标虚拟机。
+
+        :param server_id: The server_id of this CreateVolumeRequestBody.
+        :type: str
+        """
+        self._server_id = server_id
+
     def to_dict(self):
         """Returns the model properties as a dict"""
         result = {}
diff --git a/huaweicloud-sdk-evs/huaweicloudsdkevs/v2/model/create_volume_response.py b/huaweicloud-sdk-evs/huaweicloudsdkevs/v2/model/create_volume_response.py
index 85ad3fe25..08af1f7be 100644
--- a/huaweicloud-sdk-evs/huaweicloudsdkevs/v2/model/create_volume_response.py
+++ b/huaweicloud-sdk-evs/huaweicloudsdkevs/v2/model/create_volume_response.py
@@ -24,27 +24,32 @@ class CreateVolumeResponse(SdkResponse):
 
     openapi_types = {
         'job_id': 'str',
-        'order_id': 'str'
+        'order_id': 'str',
+        'volume_ids': 'list[str]'
     }
 
     attribute_map = {
         'job_id': 'job_id',
-        'order_id': 'order_id'
+        'order_id': 'order_id',
+        'volume_ids': 'volume_ids'
     }
 
-    def __init__(self, job_id=None, order_id=None):
+    def __init__(self, job_id=None, order_id=None, volume_ids=None):
         """CreateVolumeResponse - a model defined in huaweicloud sdk"""
         
         super().__init__()
 
         self._job_id = None
         self._order_id = None
+        self._volume_ids = None
         self.discriminator = None
 
         if job_id is not None:
             self.job_id = job_id
         if order_id is not None:
             self.order_id = order_id
+        if volume_ids is not None:
+            self.volume_ids = volume_ids
 
     @property
     def job_id(self):
@@ -90,6 +95,28 @@ class CreateVolumeResponse(SdkResponse):
         """
         self._order_id = order_id
 
+    @property
+    def volume_ids(self):
+        """Gets the volume_ids of this CreateVolumeResponse.
+
+        待创建的磁盘ID列表。
+
+        :return: The volume_ids of this CreateVolumeResponse.
+        :rtype: list[str]
+        """
+        return self._volume_ids
+
+    @volume_ids.setter
+    def volume_ids(self, volume_ids):
+        """Sets the volume_ids of this CreateVolumeResponse.
+
+        待创建的磁盘ID列表。
+
+        :param volume_ids: The volume_ids of this CreateVolumeResponse.
+        :type: list[str]
+        """
+        self._volume_ids = volume_ids
+
     def to_dict(self):
         """Returns the model properties as a dict"""
         result = {}
diff --git a/huaweicloud-sdk-evs/setup.py b/huaweicloud-sdk-evs/setup.py
index e05dc7cb9..7ef16ee31 100644
--- a/huaweicloud-sdk-evs/setup.py
+++ b/huaweicloud-sdk-evs/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkevs"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-functiongraph/setup.py b/huaweicloud-sdk-functiongraph/setup.py
index d2f2480a6..1e84e19c2 100644
--- a/huaweicloud-sdk-functiongraph/setup.py
+++ b/huaweicloud-sdk-functiongraph/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkfunctiongraph"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-iam/setup.py b/huaweicloud-sdk-iam/setup.py
index 7e2a6e7a1..92970c03c 100644
--- a/huaweicloud-sdk-iam/setup.py
+++ b/huaweicloud-sdk-iam/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkiam"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-image/setup.py b/huaweicloud-sdk-image/setup.py
index 15a2b604e..cb9484f84 100644
--- a/huaweicloud-sdk-image/setup.py
+++ b/huaweicloud-sdk-image/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkimage"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-ims/setup.py b/huaweicloud-sdk-ims/setup.py
index e75cf6793..d3c88293f 100644
--- a/huaweicloud-sdk-ims/setup.py
+++ b/huaweicloud-sdk-ims/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkims"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-iotda/setup.py b/huaweicloud-sdk-iotda/setup.py
index c13f992da..2437162d3 100644
--- a/huaweicloud-sdk-iotda/setup.py
+++ b/huaweicloud-sdk-iotda/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkiotda"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-kafka/setup.py b/huaweicloud-sdk-kafka/setup.py
index 1d7b1db04..d7bd6b3da 100644
--- a/huaweicloud-sdk-kafka/setup.py
+++ b/huaweicloud-sdk-kafka/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkkafka"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-kms/setup.py b/huaweicloud-sdk-kms/setup.py
index e74cfa69b..cd77e0354 100644
--- a/huaweicloud-sdk-kms/setup.py
+++ b/huaweicloud-sdk-kms/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkkms"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-live/setup.py b/huaweicloud-sdk-live/setup.py
index 9d8cdb2fb..e92999e76 100644
--- a/huaweicloud-sdk-live/setup.py
+++ b/huaweicloud-sdk-live/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdklive"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-meeting/huaweicloudsdkmeeting/v1/meeting_credentials.py b/huaweicloud-sdk-meeting/huaweicloudsdkmeeting/v1/meeting_credentials.py
index b80597ec2..22bebb4ca 100644
--- a/huaweicloud-sdk-meeting/huaweicloudsdkmeeting/v1/meeting_credentials.py
+++ b/huaweicloud-sdk-meeting/huaweicloudsdkmeeting/v1/meeting_credentials.py
@@ -11,11 +11,18 @@ from huaweicloudsdkcore.sdk_request import SdkRequest
 
 
 class MeetingCredentials(Credentials):
-    def __init__(self):
+    def __init__(self, username, password):
         self._token = None
         self._last_token_date = None
-        self._username = None
-        self._password = None
+
+        if username is None or username == "":
+            raise ApiValueError("username can not be null.")
+
+        if password is None or password == "":
+            raise ApiValueError("password can not be null.")
+
+        self._username = username
+        self._password = password
 
     def get_update_path_params(self):
         pass
@@ -36,11 +43,11 @@ class MeetingCredentials(Credentials):
                                            'utf-8')
                                            
             body = {'account': self._username, 'clientType': 0}
-            sdk_request = SdkRequest('POST', 'https', request.host, '/v1/usg/acs/auth/account', [],
+            sdk_request = SdkRequest('POST', 'https', request.host, [], '/v1/usg/acs/auth/account', [],
                                      {'Authorization': authorization, 'Content-Type': 'application/json'},
-                                     json.dumps(body), [], '/v1/usg/acs/auth/account')
+                                     json.dumps(body), [])
 
-            response = http_client.do_request_sync(sdk_request, [], [])
+            response = http_client.do_request_sync(sdk_request)
             content = json.loads(response.content.decode())
             self._token = content['accessToken']
             self._last_token_date = datetime.datetime.now()
diff --git a/huaweicloud-sdk-meeting/setup.py b/huaweicloud-sdk-meeting/setup.py
index 2de8ed060..208c1b194 100644
--- a/huaweicloud-sdk-meeting/setup.py
+++ b/huaweicloud-sdk-meeting/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkmeeting"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-moderation/setup.py b/huaweicloud-sdk-moderation/setup.py
index 069c43a4f..f9d03259c 100644
--- a/huaweicloud-sdk-moderation/setup.py
+++ b/huaweicloud-sdk-moderation/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkmoderation"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-mpc/setup.py b/huaweicloud-sdk-mpc/setup.py
index ff73b5c40..97c9caebb 100644
--- a/huaweicloud-sdk-mpc/setup.py
+++ b/huaweicloud-sdk-mpc/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkmpc"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-projectman/setup.py b/huaweicloud-sdk-projectman/setup.py
index 3739b1f09..894d5a2a6 100644
--- a/huaweicloud-sdk-projectman/setup.py
+++ b/huaweicloud-sdk-projectman/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkprojectman"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-rabbitmq/setup.py b/huaweicloud-sdk-rabbitmq/setup.py
index eb59e2906..ac6271f77 100644
--- a/huaweicloud-sdk-rabbitmq/setup.py
+++ b/huaweicloud-sdk-rabbitmq/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkrabbitmq"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-servicestage/setup.py b/huaweicloud-sdk-servicestage/setup.py
index b96c21b17..8bfb34e63 100644
--- a/huaweicloud-sdk-servicestage/setup.py
+++ b/huaweicloud-sdk-servicestage/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkservicestage"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-testhub/setup.py b/huaweicloud-sdk-testhub/setup.py
index 0c9fde625..afe9f3c5c 100644
--- a/huaweicloud-sdk-testhub/setup.py
+++ b/huaweicloud-sdk-testhub/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdktesthub"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-tms/setup.py b/huaweicloud-sdk-tms/setup.py
index a2167f0ec..61ad75f6a 100644
--- a/huaweicloud-sdk-tms/setup.py
+++ b/huaweicloud-sdk-tms/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdktms"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"
diff --git a/huaweicloud-sdk-vpc/setup.py b/huaweicloud-sdk-vpc/setup.py
index 3da38d1ae..16865d0ee 100644
--- a/huaweicloud-sdk-vpc/setup.py
+++ b/huaweicloud-sdk-vpc/setup.py
@@ -4,7 +4,7 @@ from os import path
 from setuptools import setup, find_packages
 
 NAME = "huaweicloudsdkvpc"
-VERSION = "3.0.11-beta"
+VERSION = "3.0.12-beta"
 AUTHOR = "HuaweiCloud SDK"
 AUTHOR_EMAIL = "hwcloudsdk@huawei.com"
 URL = "https://github.com/huaweicloud/huaweicloud-sdk-python-v3"