diff --git a/ucloud/services/ugn/client.py b/ucloud/services/ugn/client.py
index 8d932c04..3ea849c6 100644
--- a/ucloud/services/ugn/client.py
+++ b/ucloud/services/ugn/client.py
@@ -105,13 +105,13 @@ def create_inter_region_bandwidth(
         return apis.CreateInterRegionBandwidthResponseSchema().loads(resp)
 
     def create_ugn(self, req: typing.Optional[dict] = None, **kwargs) -> dict:
-        """CreateUGN - 创建云联网
+        """CreateUGN -
 
         **Request**
 
-        - **ProjectId** (str) - (Config) 项目ID。不填写为默认项目，子帐号必须填写。 请参考 `GetProjectList接口 <https://docs.ucloud.cn/api/summary/get_project_list>`_
+        - **ProjectId** (str) - (Config)
         - **Name** (str) -
-        - **Networks** (list) - 数组，数组内每个元素的字段如下：NetworkID：string，网络实例 ID，如 uvnet-xxxx；Type：string，网络实例类型，枚举值：VPC/HybridGW/...；Region：string，网络实例所属地域，如 cn-sh2；OrgName：string，网络实例所属项目名，如 org-xxx
+        - **Networks** (list) -
         - **Remark** (str) -
 
         **Response**
@@ -227,6 +227,84 @@ def describe_inter_region_bandwidth(
         resp = self.invoke("DescribeInterRegionBandwidth", d, **kwargs)
         return apis.DescribeInterRegionBandwidthResponseSchema().loads(resp)
 
+    def describe_simple_ugn(
+        self, req: typing.Optional[dict] = None, **kwargs
+    ) -> dict:
+        """DescribeSimpleUGN - 获取简洁版UGN详情
+
+        **Request**
+
+        - **ProjectId** (str) - (Config) 项目ID。不填写为默认项目，子帐号必须填写。 请参考 `GetProjectList接口 <https://docs.ucloud.cn/api/summary/get_project_list>`_
+        - **UGNID** (str) - (Required) UGN ID
+
+        **Response**
+
+        - **BwPackages** (list) - 见 **SimpleBwPackage** 模型定义
+        - **Message** (str) -
+        - **Networks** (list) - 见 **SimpleNetwork** 模型定义
+        - **Routes** (list) - 见 **SimpleRoute** 模型定义
+        - **UGN** (dict) - 见 **UGN** 模型定义
+
+        **Response Model**
+
+        **SimpleRoute**
+        - **DstAddr** (str) - 目的网段
+        - **NextHopID** (str) - 下一跳网络实例 ID
+        - **NextHopRegion** (str) - 下一跳网络实例所属地域
+        - **NextHopRegionID** (int) - 下一跳网络实例所属地域 id
+        - **NextHopType** (str) - 下一跳网络实例类型
+        - **Priority** (int) - 路由优先级
+
+
+        **SimpleBwPackage**
+        - **BandWidth** (float) - 带宽值
+        - **ChangePayMode** (str) - 带宽包切换计费类型
+        - **ChangeStatus** (int) - 带宽包切换状态
+        - **ChangeTime** (int) - 带宽包切换时间
+        - **CreateTime** (int) - 创建时间
+        - **ExpireTime** (int) - 过期时间
+        - **Name** (str) -
+        - **PackageID** (str) -
+        - **Path** (str) - 智能路径Delay:最低时延｜IGP:普通线路｜TCO:最低成本
+        - **PayMode** (str) - 计费模式 FixedBw:固定带宽｜Peak95:经典95｜Max5:第五峰值｜Traffic:流量计费
+        - **Qos** (str) - 服务质量Diamond:钻石｜Platinum:铂金｜Gold:黄金
+        - **RegionA** (str) - 地域A名称
+        - **RegionB** (str) - 地域B名称
+        - **Remark** (str) -
+        - **UGNID** (str) -
+
+
+        **SimpleNetwork**
+        - **CreateTime** (int) -
+        - **Name** (str) - 网络实例名称
+        - **NetworkID** (str) - 网络实例的ID，如 vnet-xxxxx
+        - **OrgID** (int) - 网络实例所在项目的ID
+        - **OrgName** (str) - 网络实例所在项目名
+        - **Region** (str) - 网络实例所在地域
+        - **RegionID** (int) - 网络实例所在地域ID
+        - **Type** (str) - 网络实例类型：VPC/HybridGW/...
+
+
+        **UGN**
+        - **BwPackageCount** (int) - 绑定带宽包数量
+        - **CreateTime** (int) - 云联网创建时间
+        - **Name** (str) - 云联网名称
+        - **NetworkCount** (int) - 关联网络实例数量
+        - **Remark** (str) - 云联网备注
+        - **UGNID** (str) - 云联网资源 ID
+
+
+        """
+        # build request
+        d = {
+            "ProjectId": self.config.project_id,
+        }
+        req and d.update(req)
+        d = apis.DescribeSimpleUGNRequestSchema().dumps(d)
+
+        resp = self.invoke("DescribeSimpleUGN", d, **kwargs)
+        return apis.DescribeSimpleUGNResponseSchema().loads(resp)
+
     def describe_ugn_instance(
         self, req: typing.Optional[dict] = None, **kwargs
     ) -> dict:
@@ -372,6 +450,145 @@ def detach_ugn_instance(
         resp = self.invoke("DetachUGNInstance", d, **kwargs)
         return apis.DetachUGNInstanceResponseSchema().loads(resp)
 
+    def get_simple_ugn_bw_packages(
+        self, req: typing.Optional[dict] = None, **kwargs
+    ) -> dict:
+        """GetSimpleUGNBwPackages - 获取指定云联网内的带宽包
+
+        **Request**
+
+        - **ProjectId** (str) - (Config) 项目ID。不填写为默认项目，子帐号必须填写。 请参考 `GetProjectList接口 <https://docs.ucloud.cn/api/summary/get_project_list>`_
+        - **UGNID** (str) - (Required)
+        - **Limit** (int) - 分页大小，默认20
+        - **Offset** (int) - 偏移量，默认0
+
+        **Response**
+
+        - **BwPackages** (list) - 见 **SimpleBwPackage** 模型定义
+        - **Limit** (int) -
+        - **Message** (str) -
+        - **Offset** (int) -
+        - **TotalCount** (int) -
+
+        **Response Model**
+
+        **SimpleBwPackage**
+        - **BandWidth** (float) - 带宽值
+        - **ChangePayMode** (str) - 带宽包切换计费类型
+        - **ChangeStatus** (int) - 带宽包切换状态
+        - **ChangeTime** (int) - 带宽包切换时间
+        - **CreateTime** (int) - 创建时间
+        - **ExpireTime** (int) - 过期时间
+        - **Name** (str) -
+        - **PackageID** (str) -
+        - **Path** (str) - 智能路径Delay:最低时延｜IGP:普通线路｜TCO:最低成本
+        - **PayMode** (str) - 计费模式 FixedBw:固定带宽｜Peak95:经典95｜Max5:第五峰值｜Traffic:流量计费
+        - **Qos** (str) - 服务质量Diamond:钻石｜Platinum:铂金｜Gold:黄金
+        - **RegionA** (str) - 地域A名称
+        - **RegionB** (str) - 地域B名称
+        - **Remark** (str) -
+        - **UGNID** (str) -
+
+
+        """
+        # build request
+        d = {
+            "ProjectId": self.config.project_id,
+        }
+        req and d.update(req)
+        d = apis.GetSimpleUGNBwPackagesRequestSchema().dumps(d)
+
+        resp = self.invoke("GetSimpleUGNBwPackages", d, **kwargs)
+        return apis.GetSimpleUGNBwPackagesResponseSchema().loads(resp)
+
+    def list_simple_bw_package(
+        self, req: typing.Optional[dict] = None, **kwargs
+    ) -> dict:
+        """ListSimpleBwPackage - 获取当前项目下的带宽包列表
+
+        **Request**
+
+        - **ProjectId** (str) - (Config) 项目ID。不填写为默认项目，子帐号必须填写。 请参考 `GetProjectList接口 <https://docs.ucloud.cn/api/summary/get_project_list>`_
+        - **Limit** (int) -
+        - **Offset** (int) -
+
+        **Response**
+
+        - **BwPackages** (list) - 见 **SimpleBwPackage** 模型定义
+        - **Limit** (int) -
+        - **Offset** (int) -
+        - **TotalCount** (int) -
+
+        **Response Model**
+
+        **SimpleBwPackage**
+        - **BandWidth** (float) - 带宽值
+        - **ChangePayMode** (str) - 带宽包切换计费类型
+        - **ChangeStatus** (int) - 带宽包切换状态
+        - **ChangeTime** (int) - 带宽包切换时间
+        - **CreateTime** (int) - 创建时间
+        - **ExpireTime** (int) - 过期时间
+        - **Name** (str) -
+        - **PackageID** (str) -
+        - **Path** (str) - 智能路径Delay:最低时延｜IGP:普通线路｜TCO:最低成本
+        - **PayMode** (str) - 计费模式 FixedBw:固定带宽｜Peak95:经典95｜Max5:第五峰值｜Traffic:流量计费
+        - **Qos** (str) - 服务质量Diamond:钻石｜Platinum:铂金｜Gold:黄金
+        - **RegionA** (str) - 地域A名称
+        - **RegionB** (str) - 地域B名称
+        - **Remark** (str) -
+        - **UGNID** (str) -
+
+
+        """
+        # build request
+        d = {
+            "ProjectId": self.config.project_id,
+        }
+        req and d.update(req)
+        d = apis.ListSimpleBwPackageRequestSchema().dumps(d)
+
+        resp = self.invoke("ListSimpleBwPackage", d, **kwargs)
+        return apis.ListSimpleBwPackageResponseSchema().loads(resp)
+
+    def list_ugn(self, req: typing.Optional[dict] = None, **kwargs) -> dict:
+        """ListUGN - 获取当前项目下所有云联网资源
+
+        **Request**
+
+        - **ProjectId** (str) - (Config) 项目ID。不填写为默认项目，子帐号必须填写。 请参考 `GetProjectList接口 <https://docs.ucloud.cn/api/summary/get_project_list>`_
+        - **Limit** (int) - 分页大小，默认20
+        - **Offset** (int) - 偏移量，默认0
+
+        **Response**
+
+        - **Limit** (int) -
+        - **Message** (str) -
+        - **Offset** (int) -
+        - **TotalCount** (int) -
+        - **UGNs** (list) - 见 **UGN** 模型定义
+
+        **Response Model**
+
+        **UGN**
+        - **BwPackageCount** (int) - 绑定带宽包数量
+        - **CreateTime** (int) - 云联网创建时间
+        - **Name** (str) - 云联网名称
+        - **NetworkCount** (int) - 关联网络实例数量
+        - **Remark** (str) - 云联网备注
+        - **UGNID** (str) - 云联网资源 ID
+
+
+        """
+        # build request
+        d = {
+            "ProjectId": self.config.project_id,
+        }
+        req and d.update(req)
+        d = apis.ListUGNRequestSchema().dumps(d)
+
+        resp = self.invoke("ListUGN", d, **kwargs)
+        return apis.ListUGNResponseSchema().loads(resp)
+
     def modify_inter_region_bandwidth(
         self, req: typing.Optional[dict] = None, **kwargs
     ) -> dict:
@@ -427,6 +644,33 @@ def modify_ugn_attribute(
         resp = self.invoke("ModifyUGNAttribute", d, **kwargs)
         return apis.ModifyUGNAttributeResponseSchema().loads(resp)
 
+    def modify_ugn_bandwidth(
+        self, req: typing.Optional[dict] = None, **kwargs
+    ) -> dict:
+        """ModifyUGNBandwidth - 修改云联网带宽大小
+
+        **Request**
+
+        - **ProjectId** (str) - (Config) 项目ID。不填写为默认项目，子帐号必须填写。 请参考 `GetProjectList接口 <https://docs.ucloud.cn/api/summary/get_project_list>`_
+        - **BandWidth** (int) - (Required) 带宽值
+        - **PackageID** (str) - (Required) 带宽包id
+        - **UGNID** (str) - (Required) 云联网id
+
+        **Response**
+
+        - **Message** (str) -
+
+        """
+        # build request
+        d = {
+            "ProjectId": self.config.project_id,
+        }
+        req and d.update(req)
+        d = apis.ModifyUGNBandwidthRequestSchema().dumps(d)
+
+        resp = self.invoke("ModifyUGNBandwidth", d, **kwargs)
+        return apis.ModifyUGNBandwidthResponseSchema().loads(resp)
+
     def publish_ugn_route_rule(
         self, req: typing.Optional[dict] = None, **kwargs
     ) -> dict:
@@ -459,6 +703,86 @@ def publish_ugn_route_rule(
         resp = self.invoke("PublishUGNRouteRule", d, **kwargs)
         return apis.PublishUGNRouteRuleResponseSchema().loads(resp)
 
+    def s_describe_ugn(
+        self, req: typing.Optional[dict] = None, **kwargs
+    ) -> dict:
+        """SDescribeUGN - 获取简洁版UGN详情
+
+        **Request**
+
+        - **ProjectId** (str) - (Config) 项目ID。不填写为默认项目，子帐号必须填写。 请参考 `GetProjectList接口 <https://docs.ucloud.cn/api/summary/get_project_list>`_
+        - **UGNID** (str) - (Required) UGN ID
+
+        **Response**
+
+        - **BwPackages** (list) - 见 **SBwPackage** 模型定义
+        - **Message** (str) -
+        - **Networks** (list) - 见 **SNetwork** 模型定义
+        - **Policies** (list) - 暂不支持
+        - **Routes** (list) - 见 **Route** 模型定义
+        - **UGN** (dict) - 见 **UGN** 模型定义
+
+        **Response Model**
+
+        **SBwPackage**
+        - **BandWidth** (int) - 带宽值
+        - **ChangePayMode** (str) - 带宽包切换计费类型
+        - **ChangeStatus** (int) - 带宽包切换状态
+        - **ChangeTime** (int) - 带宽包切换时间
+        - **CreateTime** (int) - 创建时间
+        - **ExpireTime** (int) - 过期时间
+        - **Message** (str) - 备注信息
+        - **Name** (str) -
+        - **PackageID** (str) -
+        - **Path** (str) - 智能路径Delay:最低时延｜IGP:普通线路｜TCO:最低成本
+        - **PayMode** (str) - 计费模式 FixedBw:固定带宽｜Peak95:经典95｜Max5:第五峰值｜Traffic:流量计费
+        - **Qos** (str) - 服务质量Diamond:钻石｜Platinum:铂金｜Gold:黄金
+        - **RegionA** (str) - 地域A名称
+        - **RegionB** (str) - 地域B名称
+        - **Remark** (str) -
+        - **UGNID** (str) -
+
+
+        **SNetwork**
+        - **CreateTime** (str) -
+        - **Name** (str) - 网络实例名称
+        - **NetworkID** (str) - 网络实例的ID，如 vnet-xxxxx
+        - **OrgID** (int) - 网络实例所在项目的ID
+        - **OrgName** (str) - 网络实例所在项目名
+        - **Region** (str) - 网络实例所在地域
+        - **RegionID** (int) - 网络实例所在地域ID
+        - **Type** (str) - 网络实例类型：VPC/HybridGW/...
+
+
+        **UGN**
+        - **BwPackageCount** (int) - 绑定带宽包数量
+        - **CreateTime** (int) - 云联网创建时间
+        - **Name** (str) - 云联网名称
+        - **NetworkCount** (int) - 关联网络实例数量
+        - **Remark** (str) - 云联网备注
+        - **UGNID** (str) - 云联网资源 ID
+
+
+        **Route**
+        - **DstAddr** (str) - 目的网段
+        - **NexthopID** (str) - 下一跳网络实例 ID
+        - **NexthopRegion** (str) - 下一跳网络实例所属地域
+        - **NexthopRegionID** (int) - 下一跳网络实例所属地域 id
+        - **NexthopType** (str) - 下一跳网络实例类型
+        - **Priority** (int) - 路由优先级
+
+
+        """
+        # build request
+        d = {
+            "ProjectId": self.config.project_id,
+        }
+        req and d.update(req)
+        d = apis.SDescribeUGNRequestSchema().dumps(d)
+
+        resp = self.invoke("SDescribeUGN", d, **kwargs)
+        return apis.SDescribeUGNResponseSchema().loads(resp)
+
     def unpublish_ugn_route_rule(
         self, req: typing.Optional[dict] = None, **kwargs
     ) -> dict:
@@ -490,14 +814,14 @@ def unpublish_ugn_route_rule(
     def update_ugn_bw_package(
         self, req: typing.Optional[dict] = None, **kwargs
     ) -> dict:
-        """UpdateUGNBwPackage - 更新带宽包配置
+        """UpdateUGNBwPackage -
 
         **Request**
 
-        - **ProjectId** (str) - (Config) 项目ID。不填写为默认项目，子帐号必须填写。 请参考 `GetProjectList接口 <https://docs.ucloud.cn/api/summary/get_project_list>`_
+        - **ProjectId** (str) - (Config)
         - **BwBidRate** (float) - (Required)
         - **BwULRate** (float) - (Required)
-        - **PackageID** (str) - (Required) 带宽包 ID
+        - **PackageID** (str) - (Required)
         - **Path** (str) - (Required)
         - **PayMode** (str) - (Required)
         - **Qos** (str) - (Required)
@@ -507,12 +831,12 @@ def update_ugn_bw_package(
         - **RegionB** (str) - (Required)
         - **RegionBBwMax** (int) - (Required)
         - **RegionBBwMin** (int) - (Required)
-        - **UGNID** (str) - (Required) 所绑定的 UGN ID
+        - **UGNID** (str) - (Required)
         - **ChargeType** (str) -
         - **Coupon** (str) -
-        - **Name** (str) - 名称
+        - **Name** (str) -
         - **Quantity** (str) -
-        - **Remark** (str) - 备注
+        - **Remark** (str) -
 
         **Response**
 
@@ -526,5 +850,8 @@ def update_ugn_bw_package(
         req and d.update(req)
         d = apis.UpdateUGNBwPackageRequestSchema().dumps(d)
 
+        # build options
+        kwargs["max_retries"] = 0  # ignore retry when api is not idempotent
+
         resp = self.invoke("UpdateUGNBwPackage", d, **kwargs)
         return apis.UpdateUGNBwPackageResponseSchema().loads(resp)
diff --git a/ucloud/services/ugn/schemas/apis.py b/ucloud/services/ugn/schemas/apis.py
index 35d67f1e..3c8f1ab6 100644
--- a/ucloud/services/ugn/schemas/apis.py
+++ b/ucloud/services/ugn/schemas/apis.py
@@ -102,12 +102,12 @@ class CreateInterRegionBandwidthResponseSchema(schema.ResponseSchema):
 """
 API: CreateUGN
 
-创建云联网
+
 """
 
 
 class CreateUGNRequestSchema(schema.RequestSchema):
-    """CreateUGN - 创建云联网"""
+    """CreateUGN -"""
 
     fields = {
         "Name": fields.Str(required=False, dump_to="Name"),
@@ -118,7 +118,7 @@ class CreateUGNRequestSchema(schema.RequestSchema):
 
 
 class CreateUGNResponseSchema(schema.ResponseSchema):
-    """CreateUGN - 创建云联网"""
+    """CreateUGN -"""
 
     fields = {
         "Message": fields.Str(required=False, load_from="Message"),
@@ -210,6 +210,42 @@ class DescribeInterRegionBandwidthResponseSchema(schema.ResponseSchema):
     }
 
 
+"""
+API: DescribeSimpleUGN
+
+获取简洁版UGN详情
+"""
+
+
+class DescribeSimpleUGNRequestSchema(schema.RequestSchema):
+    """DescribeSimpleUGN - 获取简洁版UGN详情"""
+
+    fields = {
+        "ProjectId": fields.Str(required=False, dump_to="ProjectId"),
+        "UGNID": fields.Str(required=True, dump_to="UGNID"),
+    }
+
+
+class DescribeSimpleUGNResponseSchema(schema.ResponseSchema):
+    """DescribeSimpleUGN - 获取简洁版UGN详情"""
+
+    fields = {
+        "BwPackages": fields.List(
+            models.SimpleBwPackageSchema(),
+            required=True,
+            load_from="BwPackages",
+        ),
+        "Message": fields.Str(required=True, load_from="Message"),
+        "Networks": fields.List(
+            models.SimpleNetworkSchema(), required=True, load_from="Networks"
+        ),
+        "Routes": fields.List(
+            models.SimpleRouteSchema(), required=True, load_from="Routes"
+        ),
+        "UGN": models.UGNSchema(),
+    }
+
+
 """
 API: DescribeUGNInstance
 
@@ -324,6 +360,103 @@ class DetachUGNInstanceResponseSchema(schema.ResponseSchema):
     }
 
 
+"""
+API: GetSimpleUGNBwPackages
+
+获取指定云联网内的带宽包
+"""
+
+
+class GetSimpleUGNBwPackagesRequestSchema(schema.RequestSchema):
+    """GetSimpleUGNBwPackages - 获取指定云联网内的带宽包"""
+
+    fields = {
+        "Limit": fields.Int(required=False, dump_to="Limit"),
+        "Offset": fields.Int(required=False, dump_to="Offset"),
+        "ProjectId": fields.Str(required=True, dump_to="ProjectId"),
+        "UGNID": fields.Str(required=True, dump_to="UGNID"),
+    }
+
+
+class GetSimpleUGNBwPackagesResponseSchema(schema.ResponseSchema):
+    """GetSimpleUGNBwPackages - 获取指定云联网内的带宽包"""
+
+    fields = {
+        "BwPackages": fields.List(
+            models.SimpleBwPackageSchema(),
+            required=True,
+            load_from="BwPackages",
+        ),
+        "Limit": fields.Int(required=True, load_from="Limit"),
+        "Message": fields.Str(required=True, load_from="Message"),
+        "Offset": fields.Int(required=True, load_from="Offset"),
+        "TotalCount": fields.Int(required=True, load_from="TotalCount"),
+    }
+
+
+"""
+API: ListSimpleBwPackage
+
+获取当前项目下的带宽包列表
+"""
+
+
+class ListSimpleBwPackageRequestSchema(schema.RequestSchema):
+    """ListSimpleBwPackage - 获取当前项目下的带宽包列表"""
+
+    fields = {
+        "Limit": fields.Int(required=False, dump_to="Limit"),
+        "Offset": fields.Int(required=False, dump_to="Offset"),
+        "ProjectId": fields.Str(required=True, dump_to="ProjectId"),
+    }
+
+
+class ListSimpleBwPackageResponseSchema(schema.ResponseSchema):
+    """ListSimpleBwPackage - 获取当前项目下的带宽包列表"""
+
+    fields = {
+        "BwPackages": fields.List(
+            models.SimpleBwPackageSchema(),
+            required=True,
+            load_from="BwPackages",
+        ),
+        "Limit": fields.Int(required=True, load_from="Limit"),
+        "Offset": fields.Int(required=True, load_from="Offset"),
+        "TotalCount": fields.Int(required=True, load_from="TotalCount"),
+    }
+
+
+"""
+API: ListUGN
+
+获取当前项目下所有云联网资源
+"""
+
+
+class ListUGNRequestSchema(schema.RequestSchema):
+    """ListUGN - 获取当前项目下所有云联网资源"""
+
+    fields = {
+        "Limit": fields.Int(required=False, dump_to="Limit"),
+        "Offset": fields.Int(required=False, dump_to="Offset"),
+        "ProjectId": fields.Str(required=True, dump_to="ProjectId"),
+    }
+
+
+class ListUGNResponseSchema(schema.ResponseSchema):
+    """ListUGN - 获取当前项目下所有云联网资源"""
+
+    fields = {
+        "Limit": fields.Int(required=False, load_from="Limit"),
+        "Message": fields.Str(required=True, load_from="Message"),
+        "Offset": fields.Int(required=False, load_from="Offset"),
+        "TotalCount": fields.Int(required=False, load_from="TotalCount"),
+        "UGNs": fields.List(
+            models.UGNSchema(), required=True, load_from="UGNs"
+        ),
+    }
+
+
 """
 API: ModifyInterRegionBandwidth
 
@@ -379,6 +512,32 @@ class ModifyUGNAttributeResponseSchema(schema.ResponseSchema):
     }
 
 
+"""
+API: ModifyUGNBandwidth
+
+修改云联网带宽大小
+"""
+
+
+class ModifyUGNBandwidthRequestSchema(schema.RequestSchema):
+    """ModifyUGNBandwidth - 修改云联网带宽大小"""
+
+    fields = {
+        "BandWidth": fields.Int(required=True, dump_to="BandWidth"),
+        "PackageID": fields.Str(required=True, dump_to="PackageID"),
+        "ProjectId": fields.Str(required=False, dump_to="ProjectId"),
+        "UGNID": fields.Str(required=True, dump_to="UGNID"),
+    }
+
+
+class ModifyUGNBandwidthResponseSchema(schema.ResponseSchema):
+    """ModifyUGNBandwidth - 修改云联网带宽大小"""
+
+    fields = {
+        "Message": fields.Str(required=True, load_from="Message"),
+    }
+
+
 """
 API: PublishUGNRouteRule
 
@@ -411,6 +570,43 @@ class PublishUGNRouteRuleResponseSchema(schema.ResponseSchema):
     }
 
 
+"""
+API: SDescribeUGN
+
+获取简洁版UGN详情
+"""
+
+
+class SDescribeUGNRequestSchema(schema.RequestSchema):
+    """SDescribeUGN - 获取简洁版UGN详情"""
+
+    fields = {
+        "ProjectId": fields.Str(required=False, dump_to="ProjectId"),
+        "UGNID": fields.Str(required=True, dump_to="UGNID"),
+    }
+
+
+class SDescribeUGNResponseSchema(schema.ResponseSchema):
+    """SDescribeUGN - 获取简洁版UGN详情"""
+
+    fields = {
+        "BwPackages": fields.List(
+            models.SBwPackageSchema(), required=True, load_from="BwPackages"
+        ),
+        "Message": fields.Str(required=True, load_from="Message"),
+        "Networks": fields.List(
+            models.SNetworkSchema(), required=True, load_from="Networks"
+        ),
+        "Policies": fields.List(
+            fields.Str(), required=True, load_from="Policies"
+        ),
+        "Routes": fields.List(
+            models.RouteSchema(), required=True, load_from="Routes"
+        ),
+        "UGN": models.UGNSchema(),
+    }
+
+
 """
 API: UnpublishUGNRouteRule
 
@@ -445,12 +641,12 @@ class UnpublishUGNRouteRuleResponseSchema(schema.ResponseSchema):
 """
 API: UpdateUGNBwPackage
 
-更新带宽包配置
+
 """
 
 
 class UpdateUGNBwPackageRequestSchema(schema.RequestSchema):
-    """UpdateUGNBwPackage - 更新带宽包配置"""
+    """UpdateUGNBwPackage -"""
 
     fields = {
         "BwBidRate": fields.Float(required=True, dump_to="BwBidRate"),
@@ -476,7 +672,7 @@ class UpdateUGNBwPackageRequestSchema(schema.RequestSchema):
 
 
 class UpdateUGNBwPackageResponseSchema(schema.ResponseSchema):
-    """UpdateUGNBwPackage - 更新带宽包配置"""
+    """UpdateUGNBwPackage -"""
 
     fields = {
         "Message": fields.Str(required=True, load_from="Message"),
diff --git a/ucloud/services/ugn/schemas/models.py b/ucloud/services/ugn/schemas/models.py
index a7165334..e057d80a 100644
--- a/ucloud/services/ugn/schemas/models.py
+++ b/ucloud/services/ugn/schemas/models.py
@@ -22,6 +22,71 @@ class InterRegionBandwidthSchema(schema.ResponseSchema):
     }
 
 
+class UGNSchema(schema.ResponseSchema):
+    """UGN - 云联网信息"""
+
+    fields = {
+        "BwPackageCount": fields.Int(required=True, load_from="BwPackageCount"),
+        "CreateTime": fields.Int(required=True, load_from="CreateTime"),
+        "Name": fields.Str(required=True, load_from="Name"),
+        "NetworkCount": fields.Int(required=True, load_from="NetworkCount"),
+        "Remark": fields.Str(required=True, load_from="Remark"),
+        "UGNID": fields.Str(required=True, load_from="UGNID"),
+    }
+
+
+class SimpleRouteSchema(schema.ResponseSchema):
+    """SimpleRoute - 简洁版云联网路由条目"""
+
+    fields = {
+        "DstAddr": fields.Str(required=False, load_from="DstAddr"),
+        "NextHopID": fields.Str(required=False, load_from="NextHopID"),
+        "NextHopRegion": fields.Str(required=False, load_from="NextHopRegion"),
+        "NextHopRegionID": fields.Int(
+            required=False, load_from="NextHopRegionID"
+        ),
+        "NextHopType": fields.Str(required=False, load_from="NextHopType"),
+        "Priority": fields.Int(required=False, load_from="Priority"),
+    }
+
+
+class SimpleNetworkSchema(schema.ResponseSchema):
+    """SimpleNetwork - 简洁版云联网网络实例"""
+
+    fields = {
+        "CreateTime": fields.Int(required=False, load_from="CreateTime"),
+        "Name": fields.Str(required=True, load_from="Name"),
+        "NetworkID": fields.Str(required=True, load_from="NetworkID"),
+        "OrgID": fields.Int(required=False, load_from="OrgID"),
+        "OrgName": fields.Str(required=True, load_from="OrgName"),
+        "Region": fields.Str(required=True, load_from="Region"),
+        "RegionID": fields.Int(required=False, load_from="RegionID"),
+        "Type": fields.Str(required=True, load_from="Type"),
+    }
+
+
+class SimpleBwPackageSchema(schema.ResponseSchema):
+    """SimpleBwPackage - 简洁版带宽包"""
+
+    fields = {
+        "BandWidth": fields.Float(required=True, load_from="BandWidth"),
+        "ChangePayMode": fields.Str(required=False, load_from="ChangePayMode"),
+        "ChangeStatus": fields.Int(required=False, load_from="ChangeStatus"),
+        "ChangeTime": fields.Int(required=False, load_from="ChangeTime"),
+        "CreateTime": fields.Int(required=True, load_from="CreateTime"),
+        "ExpireTime": fields.Int(required=False, load_from="ExpireTime"),
+        "Name": fields.Str(required=False, load_from="Name"),
+        "PackageID": fields.Str(required=True, load_from="PackageID"),
+        "Path": fields.Str(required=True, load_from="Path"),
+        "PayMode": fields.Str(required=True, load_from="PayMode"),
+        "Qos": fields.Str(required=True, load_from="Qos"),
+        "RegionA": fields.Str(required=True, load_from="RegionA"),
+        "RegionB": fields.Str(required=True, load_from="RegionB"),
+        "Remark": fields.Str(required=False, load_from="Remark"),
+        "UGNID": fields.Str(required=True, load_from="UGNID"),
+    }
+
+
 class InstanceSchema(schema.ResponseSchema):
     """Instance - 云联网实例信息"""
 
@@ -71,3 +136,56 @@ class RouteRuleSchema(schema.ResponseSchema):
         "RouteRuleId": fields.Str(required=True, load_from="RouteRuleId"),
         "RouteRuleType": fields.Int(required=True, load_from="RouteRuleType"),
     }
+
+
+class SNetworkSchema(schema.ResponseSchema):
+    """SNetwork - 简洁版云联网网络实例"""
+
+    fields = {
+        "CreateTime": fields.Str(required=False, load_from="CreateTime"),
+        "Name": fields.Str(required=True, load_from="Name"),
+        "NetworkID": fields.Str(required=True, load_from="NetworkID"),
+        "OrgID": fields.Int(required=False, load_from="OrgID"),
+        "OrgName": fields.Str(required=True, load_from="OrgName"),
+        "Region": fields.Str(required=True, load_from="Region"),
+        "RegionID": fields.Int(required=False, load_from="RegionID"),
+        "Type": fields.Str(required=True, load_from="Type"),
+    }
+
+
+class SBwPackageSchema(schema.ResponseSchema):
+    """SBwPackage - 简洁版带宽包"""
+
+    fields = {
+        "BandWidth": fields.Int(required=True, load_from="BandWidth"),
+        "ChangePayMode": fields.Str(required=False, load_from="ChangePayMode"),
+        "ChangeStatus": fields.Int(required=False, load_from="ChangeStatus"),
+        "ChangeTime": fields.Int(required=False, load_from="ChangeTime"),
+        "CreateTime": fields.Int(required=True, load_from="CreateTime"),
+        "ExpireTime": fields.Int(required=False, load_from="ExpireTime"),
+        "Message": fields.Str(required=False, load_from="Message"),
+        "Name": fields.Str(required=False, load_from="Name"),
+        "PackageID": fields.Str(required=True, load_from="PackageID"),
+        "Path": fields.Str(required=True, load_from="Path"),
+        "PayMode": fields.Str(required=True, load_from="PayMode"),
+        "Qos": fields.Str(required=True, load_from="Qos"),
+        "RegionA": fields.Str(required=True, load_from="RegionA"),
+        "RegionB": fields.Str(required=True, load_from="RegionB"),
+        "Remark": fields.Str(required=False, load_from="Remark"),
+        "UGNID": fields.Str(required=True, load_from="UGNID"),
+    }
+
+
+class RouteSchema(schema.ResponseSchema):
+    """Route - 云联网路由条目"""
+
+    fields = {
+        "DstAddr": fields.Str(required=False, load_from="DstAddr"),
+        "NexthopID": fields.Str(required=False, load_from="NexthopID"),
+        "NexthopRegion": fields.Str(required=False, load_from="NexthopRegion"),
+        "NexthopRegionID": fields.Int(
+            required=False, load_from="NexthopRegionID"
+        ),
+        "NexthopType": fields.Str(required=False, load_from="NexthopType"),
+        "Priority": fields.Int(required=False, load_from="Priority"),
+    }
diff --git a/ucloud/services/usms/client.py b/ucloud/services/usms/client.py
index bbf65597..e3273ee4 100644
--- a/ucloud/services/usms/client.py
+++ b/ucloud/services/usms/client.py
@@ -13,6 +13,39 @@ def __init__(
     ):
         super(USMSClient, self).__init__(config, transport, middleware, logger)
 
+    def add_backfill(self, req: typing.Optional[dict] = None, **kwargs) -> dict:
+        """AddBackfill - 用户通过接口发送消息，当消息在终端被消费，调用该接口，进行记录。
+
+        **Request**
+
+        - **ProjectId** (str) - (Config) 项目ID。不填写为默认项目，子帐号必须填写。 请参考 `GetProjectList接口 <https://docs.ucloud.cn/api/summary/get_project_list>`_
+        - **Region** (str) - (Config) 地域。 参见  `地域和可用区列表 <https://docs.ucloud.cn/api/summary/regionlist>`_
+        - **SendNo** (str) - (Required) 发送Number，记录一次发送请求的唯一性
+        - **Target** (str) - (Required) 短信的接收目标,手机号需要添加国家码，比如(1)231xxxx
+        - **BackfillTime** (int) - 回填时间，秒级别时间戳
+        - **Content** (str) - 回填内容
+        - **SendTime** (int) - 发送请求的时间，秒级别时间戳
+        - **Zone** (str) - 可用区。参见  `可用区列表 <https://docs.ucloud.cn/api/summary/regionlist>`_
+
+        **Response**
+
+        - **Message** (str) - 返回错误消息。当 RetCode 非 0 时提供详细的描述信息
+
+        """
+        # build request
+        d = {
+            "ProjectId": self.config.project_id,
+            "Region": self.config.region,
+        }
+        req and d.update(req)
+        d = apis.AddBackfillRequestSchema().dumps(d)
+
+        # build options
+        kwargs["max_retries"] = 0  # ignore retry when api is not idempotent
+
+        resp = self.invoke("AddBackfill", d, **kwargs)
+        return apis.AddBackfillResponseSchema().loads(resp)
+
     def create_usms_signature(
         self, req: typing.Optional[dict] = None, **kwargs
     ) -> dict:
diff --git a/ucloud/services/usms/schemas/apis.py b/ucloud/services/usms/schemas/apis.py
index 152d22d1..66c49b59 100644
--- a/ucloud/services/usms/schemas/apis.py
+++ b/ucloud/services/usms/schemas/apis.py
@@ -8,6 +8,36 @@
 """
 
 
+"""
+API: AddBackfill
+
+用户通过接口发送消息，当消息在终端被消费，调用该接口，进行记录。
+"""
+
+
+class AddBackfillRequestSchema(schema.RequestSchema):
+    """AddBackfill - 用户通过接口发送消息，当消息在终端被消费，调用该接口，进行记录。"""
+
+    fields = {
+        "BackfillTime": fields.Int(required=False, dump_to="BackfillTime"),
+        "Content": fields.Str(required=False, dump_to="Content"),
+        "ProjectId": fields.Str(required=True, dump_to="ProjectId"),
+        "Region": fields.Str(required=False, dump_to="Region"),
+        "SendNo": fields.Str(required=True, dump_to="SendNo"),
+        "SendTime": fields.Int(required=False, dump_to="SendTime"),
+        "Target": fields.Str(required=True, dump_to="Target"),
+        "Zone": fields.Str(required=False, dump_to="Zone"),
+    }
+
+
+class AddBackfillResponseSchema(schema.ResponseSchema):
+    """AddBackfill - 用户通过接口发送消息，当消息在终端被消费，调用该接口，进行记录。"""
+
+    fields = {
+        "Message": fields.Str(required=True, load_from="Message"),
+    }
+
+
 """
 API: CreateUSMSSignature
 
diff --git a/ucloud/version.py b/ucloud/version.py
index 3b98991e..d1c78830 100644
--- a/ucloud/version.py
+++ b/ucloud/version.py
@@ -1 +1 @@
-version = "0.11.51"
+version = "0.11.52"