diff --git a/ChangeLog.txt b/ChangeLog.txt
index debcb162d9..5bfbd807df 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -1,3 +1,8 @@
+2020-04-29 Version: v1.61.156
+- Generated 2017-11-15 for `scdn`.
+- Add Scdn APIS.
+- Sync cdn APIS.
+
 2020-04-28 Version: v1.61.155
 - Generated 2019-03-07 for `Cloudauth`.
 - Add CompareFaceVerify API.
diff --git a/services/scdn/batch_update_scdn_domain.go b/services/scdn/batch_update_scdn_domain.go
index 3d9e66523c..00252f9f00 100644
--- a/services/scdn/batch_update_scdn_domain.go
+++ b/services/scdn/batch_update_scdn_domain.go
@@ -76,12 +76,12 @@ func (client *Client) BatchUpdateScdnDomainWithCallback(request *BatchUpdateScdn
 // BatchUpdateScdnDomainRequest is the request struct for api BatchUpdateScdnDomain
 type BatchUpdateScdnDomainRequest struct {
 	*requests.RpcRequest
-	TopLevelDomain  string           `position:"Query" name:"TopLevelDomain"`
 	Sources         string           `position:"Query" name:"Sources"`
-	DomainName      string           `position:"Query" name:"DomainName"`
-	OwnerId         requests.Integer `position:"Query" name:"OwnerId"`
 	ResourceGroupId string           `position:"Query" name:"ResourceGroupId"`
 	SecurityToken   string           `position:"Query" name:"SecurityToken"`
+	TopLevelDomain  string           `position:"Query" name:"TopLevelDomain"`
+	DomainName      string           `position:"Query" name:"DomainName"`
+	OwnerId         requests.Integer `position:"Query" name:"OwnerId"`
 }
 
 // BatchUpdateScdnDomainResponse is the response struct for api BatchUpdateScdnDomain
diff --git a/services/scdn/delete_scdn_specific_config.go b/services/scdn/delete_scdn_specific_config.go
new file mode 100644
index 0000000000..3219c98193
--- /dev/null
+++ b/services/scdn/delete_scdn_specific_config.go
@@ -0,0 +1,106 @@
+package scdn
+
+//Licensed under the Apache License, Version 2.0 (the "License");
+//you may not use this file except in compliance with the License.
+//You may obtain a copy of the License at
+//
+//http://www.apache.org/licenses/LICENSE-2.0
+//
+//Unless required by applicable law or agreed to in writing, software
+//distributed under the License is distributed on an "AS IS" BASIS,
+//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//See the License for the specific language governing permissions and
+//limitations under the License.
+//
+// Code generated by Alibaba Cloud SDK Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is regenerated.
+
+import (
+	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/requests"
+	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/responses"
+)
+
+// DeleteScdnSpecificConfig invokes the scdn.DeleteScdnSpecificConfig API synchronously
+// api document: https://help.aliyun.com/api/scdn/deletescdnspecificconfig.html
+func (client *Client) DeleteScdnSpecificConfig(request *DeleteScdnSpecificConfigRequest) (response *DeleteScdnSpecificConfigResponse, err error) {
+	response = CreateDeleteScdnSpecificConfigResponse()
+	err = client.DoAction(request, response)
+	return
+}
+
+// DeleteScdnSpecificConfigWithChan invokes the scdn.DeleteScdnSpecificConfig API asynchronously
+// api document: https://help.aliyun.com/api/scdn/deletescdnspecificconfig.html
+// asynchronous document: https://help.aliyun.com/document_detail/66220.html
+func (client *Client) DeleteScdnSpecificConfigWithChan(request *DeleteScdnSpecificConfigRequest) (<-chan *DeleteScdnSpecificConfigResponse, <-chan error) {
+	responseChan := make(chan *DeleteScdnSpecificConfigResponse, 1)
+	errChan := make(chan error, 1)
+	err := client.AddAsyncTask(func() {
+		defer close(responseChan)
+		defer close(errChan)
+		response, err := client.DeleteScdnSpecificConfig(request)
+		if err != nil {
+			errChan <- err
+		} else {
+			responseChan <- response
+		}
+	})
+	if err != nil {
+		errChan <- err
+		close(responseChan)
+		close(errChan)
+	}
+	return responseChan, errChan
+}
+
+// DeleteScdnSpecificConfigWithCallback invokes the scdn.DeleteScdnSpecificConfig API asynchronously
+// api document: https://help.aliyun.com/api/scdn/deletescdnspecificconfig.html
+// asynchronous document: https://help.aliyun.com/document_detail/66220.html
+func (client *Client) DeleteScdnSpecificConfigWithCallback(request *DeleteScdnSpecificConfigRequest, callback func(response *DeleteScdnSpecificConfigResponse, err error)) <-chan int {
+	result := make(chan int, 1)
+	err := client.AddAsyncTask(func() {
+		var response *DeleteScdnSpecificConfigResponse
+		var err error
+		defer close(result)
+		response, err = client.DeleteScdnSpecificConfig(request)
+		callback(response, err)
+		result <- 1
+	})
+	if err != nil {
+		defer close(result)
+		callback(nil, err)
+		result <- 0
+	}
+	return result
+}
+
+// DeleteScdnSpecificConfigRequest is the request struct for api DeleteScdnSpecificConfig
+type DeleteScdnSpecificConfigRequest struct {
+	*requests.RpcRequest
+	DomainName    string           `position:"Query" name:"DomainName"`
+	OwnerId       requests.Integer `position:"Query" name:"OwnerId"`
+	SecurityToken string           `position:"Query" name:"SecurityToken"`
+	ConfigId      string           `position:"Query" name:"ConfigId"`
+}
+
+// DeleteScdnSpecificConfigResponse is the response struct for api DeleteScdnSpecificConfig
+type DeleteScdnSpecificConfigResponse struct {
+	*responses.BaseResponse
+	RequestId string `json:"RequestId" xml:"RequestId"`
+}
+
+// CreateDeleteScdnSpecificConfigRequest creates a request to invoke DeleteScdnSpecificConfig API
+func CreateDeleteScdnSpecificConfigRequest() (request *DeleteScdnSpecificConfigRequest) {
+	request = &DeleteScdnSpecificConfigRequest{
+		RpcRequest: &requests.RpcRequest{},
+	}
+	request.InitWithApiInfo("scdn", "2017-11-15", "DeleteScdnSpecificConfig", "", "")
+	return
+}
+
+// CreateDeleteScdnSpecificConfigResponse creates a response to parse from DeleteScdnSpecificConfig response
+func CreateDeleteScdnSpecificConfigResponse() (response *DeleteScdnSpecificConfigResponse) {
+	response = &DeleteScdnSpecificConfigResponse{
+		BaseResponse: &responses.BaseResponse{},
+	}
+	return
+}
diff --git a/services/scdn/describe_scdn_cc_qps_info.go b/services/scdn/describe_scdn_cc_qps_info.go
new file mode 100644
index 0000000000..0f98b5f679
--- /dev/null
+++ b/services/scdn/describe_scdn_cc_qps_info.go
@@ -0,0 +1,109 @@
+package scdn
+
+//Licensed under the Apache License, Version 2.0 (the "License");
+//you may not use this file except in compliance with the License.
+//You may obtain a copy of the License at
+//
+//http://www.apache.org/licenses/LICENSE-2.0
+//
+//Unless required by applicable law or agreed to in writing, software
+//distributed under the License is distributed on an "AS IS" BASIS,
+//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//See the License for the specific language governing permissions and
+//limitations under the License.
+//
+// Code generated by Alibaba Cloud SDK Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is regenerated.
+
+import (
+	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/requests"
+	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/responses"
+)
+
+// DescribeScdnCcQpsInfo invokes the scdn.DescribeScdnCcQpsInfo API synchronously
+// api document: https://help.aliyun.com/api/scdn/describescdnccqpsinfo.html
+func (client *Client) DescribeScdnCcQpsInfo(request *DescribeScdnCcQpsInfoRequest) (response *DescribeScdnCcQpsInfoResponse, err error) {
+	response = CreateDescribeScdnCcQpsInfoResponse()
+	err = client.DoAction(request, response)
+	return
+}
+
+// DescribeScdnCcQpsInfoWithChan invokes the scdn.DescribeScdnCcQpsInfo API asynchronously
+// api document: https://help.aliyun.com/api/scdn/describescdnccqpsinfo.html
+// asynchronous document: https://help.aliyun.com/document_detail/66220.html
+func (client *Client) DescribeScdnCcQpsInfoWithChan(request *DescribeScdnCcQpsInfoRequest) (<-chan *DescribeScdnCcQpsInfoResponse, <-chan error) {
+	responseChan := make(chan *DescribeScdnCcQpsInfoResponse, 1)
+	errChan := make(chan error, 1)
+	err := client.AddAsyncTask(func() {
+		defer close(responseChan)
+		defer close(errChan)
+		response, err := client.DescribeScdnCcQpsInfo(request)
+		if err != nil {
+			errChan <- err
+		} else {
+			responseChan <- response
+		}
+	})
+	if err != nil {
+		errChan <- err
+		close(responseChan)
+		close(errChan)
+	}
+	return responseChan, errChan
+}
+
+// DescribeScdnCcQpsInfoWithCallback invokes the scdn.DescribeScdnCcQpsInfo API asynchronously
+// api document: https://help.aliyun.com/api/scdn/describescdnccqpsinfo.html
+// asynchronous document: https://help.aliyun.com/document_detail/66220.html
+func (client *Client) DescribeScdnCcQpsInfoWithCallback(request *DescribeScdnCcQpsInfoRequest, callback func(response *DescribeScdnCcQpsInfoResponse, err error)) <-chan int {
+	result := make(chan int, 1)
+	err := client.AddAsyncTask(func() {
+		var response *DescribeScdnCcQpsInfoResponse
+		var err error
+		defer close(result)
+		response, err = client.DescribeScdnCcQpsInfo(request)
+		callback(response, err)
+		result <- 1
+	})
+	if err != nil {
+		defer close(result)
+		callback(nil, err)
+		result <- 0
+	}
+	return result
+}
+
+// DescribeScdnCcQpsInfoRequest is the request struct for api DescribeScdnCcQpsInfo
+type DescribeScdnCcQpsInfoRequest struct {
+	*requests.RpcRequest
+	StartTime  string           `position:"Query" name:"StartTime"`
+	DomainName string           `position:"Query" name:"DomainName"`
+	EndTime    string           `position:"Query" name:"EndTime"`
+	OwnerId    requests.Integer `position:"Query" name:"OwnerId"`
+}
+
+// DescribeScdnCcQpsInfoResponse is the response struct for api DescribeScdnCcQpsInfo
+type DescribeScdnCcQpsInfoResponse struct {
+	*responses.BaseResponse
+	RequestId  string                            `json:"RequestId" xml:"RequestId"`
+	Totals     Totals                            `json:"Totals" xml:"Totals"`
+	Attacks    Attacks                           `json:"Attacks" xml:"Attacks"`
+	TimeScopes TimeScopesInDescribeScdnCcQpsInfo `json:"TimeScopes" xml:"TimeScopes"`
+}
+
+// CreateDescribeScdnCcQpsInfoRequest creates a request to invoke DescribeScdnCcQpsInfo API
+func CreateDescribeScdnCcQpsInfoRequest() (request *DescribeScdnCcQpsInfoRequest) {
+	request = &DescribeScdnCcQpsInfoRequest{
+		RpcRequest: &requests.RpcRequest{},
+	}
+	request.InitWithApiInfo("scdn", "2017-11-15", "DescribeScdnCcQpsInfo", "", "")
+	return
+}
+
+// CreateDescribeScdnCcQpsInfoResponse creates a response to parse from DescribeScdnCcQpsInfo response
+func CreateDescribeScdnCcQpsInfoResponse() (response *DescribeScdnCcQpsInfoResponse) {
+	response = &DescribeScdnCcQpsInfoResponse{
+		BaseResponse: &responses.BaseResponse{},
+	}
+	return
+}
diff --git a/services/scdn/describe_scdn_cc_top_ip.go b/services/scdn/describe_scdn_cc_top_ip.go
new file mode 100644
index 0000000000..a712f548a4
--- /dev/null
+++ b/services/scdn/describe_scdn_cc_top_ip.go
@@ -0,0 +1,111 @@
+package scdn
+
+//Licensed under the Apache License, Version 2.0 (the "License");
+//you may not use this file except in compliance with the License.
+//You may obtain a copy of the License at
+//
+//http://www.apache.org/licenses/LICENSE-2.0
+//
+//Unless required by applicable law or agreed to in writing, software
+//distributed under the License is distributed on an "AS IS" BASIS,
+//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//See the License for the specific language governing permissions and
+//limitations under the License.
+//
+// Code generated by Alibaba Cloud SDK Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is regenerated.
+
+import (
+	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/requests"
+	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/responses"
+)
+
+// DescribeScdnCcTopIp invokes the scdn.DescribeScdnCcTopIp API synchronously
+// api document: https://help.aliyun.com/api/scdn/describescdncctopip.html
+func (client *Client) DescribeScdnCcTopIp(request *DescribeScdnCcTopIpRequest) (response *DescribeScdnCcTopIpResponse, err error) {
+	response = CreateDescribeScdnCcTopIpResponse()
+	err = client.DoAction(request, response)
+	return
+}
+
+// DescribeScdnCcTopIpWithChan invokes the scdn.DescribeScdnCcTopIp API asynchronously
+// api document: https://help.aliyun.com/api/scdn/describescdncctopip.html
+// asynchronous document: https://help.aliyun.com/document_detail/66220.html
+func (client *Client) DescribeScdnCcTopIpWithChan(request *DescribeScdnCcTopIpRequest) (<-chan *DescribeScdnCcTopIpResponse, <-chan error) {
+	responseChan := make(chan *DescribeScdnCcTopIpResponse, 1)
+	errChan := make(chan error, 1)
+	err := client.AddAsyncTask(func() {
+		defer close(responseChan)
+		defer close(errChan)
+		response, err := client.DescribeScdnCcTopIp(request)
+		if err != nil {
+			errChan <- err
+		} else {
+			responseChan <- response
+		}
+	})
+	if err != nil {
+		errChan <- err
+		close(responseChan)
+		close(errChan)
+	}
+	return responseChan, errChan
+}
+
+// DescribeScdnCcTopIpWithCallback invokes the scdn.DescribeScdnCcTopIp API asynchronously
+// api document: https://help.aliyun.com/api/scdn/describescdncctopip.html
+// asynchronous document: https://help.aliyun.com/document_detail/66220.html
+func (client *Client) DescribeScdnCcTopIpWithCallback(request *DescribeScdnCcTopIpRequest, callback func(response *DescribeScdnCcTopIpResponse, err error)) <-chan int {
+	result := make(chan int, 1)
+	err := client.AddAsyncTask(func() {
+		var response *DescribeScdnCcTopIpResponse
+		var err error
+		defer close(result)
+		response, err = client.DescribeScdnCcTopIp(request)
+		callback(response, err)
+		result <- 1
+	})
+	if err != nil {
+		defer close(result)
+		callback(nil, err)
+		result <- 0
+	}
+	return result
+}
+
+// DescribeScdnCcTopIpRequest is the request struct for api DescribeScdnCcTopIp
+type DescribeScdnCcTopIpRequest struct {
+	*requests.RpcRequest
+	StartTime  string           `position:"Query" name:"StartTime"`
+	PageNumber string           `position:"Query" name:"PageNumber"`
+	PageSize   string           `position:"Query" name:"PageSize"`
+	DomainName string           `position:"Query" name:"DomainName"`
+	EndTime    string           `position:"Query" name:"EndTime"`
+	OwnerId    requests.Integer `position:"Query" name:"OwnerId"`
+}
+
+// DescribeScdnCcTopIpResponse is the response struct for api DescribeScdnCcTopIp
+type DescribeScdnCcTopIpResponse struct {
+	*responses.BaseResponse
+	RequestId        string           `json:"RequestId" xml:"RequestId"`
+	Total            string           `json:"Total" xml:"Total"`
+	DomainName       string           `json:"DomainName" xml:"DomainName"`
+	AttackIpDataList AttackIpDataList `json:"AttackIpDataList" xml:"AttackIpDataList"`
+}
+
+// CreateDescribeScdnCcTopIpRequest creates a request to invoke DescribeScdnCcTopIp API
+func CreateDescribeScdnCcTopIpRequest() (request *DescribeScdnCcTopIpRequest) {
+	request = &DescribeScdnCcTopIpRequest{
+		RpcRequest: &requests.RpcRequest{},
+	}
+	request.InitWithApiInfo("scdn", "2017-11-15", "DescribeScdnCcTopIp", "", "")
+	return
+}
+
+// CreateDescribeScdnCcTopIpResponse creates a response to parse from DescribeScdnCcTopIp response
+func CreateDescribeScdnCcTopIpResponse() (response *DescribeScdnCcTopIpResponse) {
+	response = &DescribeScdnCcTopIpResponse{
+		BaseResponse: &responses.BaseResponse{},
+	}
+	return
+}
diff --git a/services/scdn/describe_scdn_cc_top_url.go b/services/scdn/describe_scdn_cc_top_url.go
new file mode 100644
index 0000000000..c7fdba2cd7
--- /dev/null
+++ b/services/scdn/describe_scdn_cc_top_url.go
@@ -0,0 +1,111 @@
+package scdn
+
+//Licensed under the Apache License, Version 2.0 (the "License");
+//you may not use this file except in compliance with the License.
+//You may obtain a copy of the License at
+//
+//http://www.apache.org/licenses/LICENSE-2.0
+//
+//Unless required by applicable law or agreed to in writing, software
+//distributed under the License is distributed on an "AS IS" BASIS,
+//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//See the License for the specific language governing permissions and
+//limitations under the License.
+//
+// Code generated by Alibaba Cloud SDK Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is regenerated.
+
+import (
+	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/requests"
+	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/responses"
+)
+
+// DescribeScdnCcTopUrl invokes the scdn.DescribeScdnCcTopUrl API synchronously
+// api document: https://help.aliyun.com/api/scdn/describescdncctopurl.html
+func (client *Client) DescribeScdnCcTopUrl(request *DescribeScdnCcTopUrlRequest) (response *DescribeScdnCcTopUrlResponse, err error) {
+	response = CreateDescribeScdnCcTopUrlResponse()
+	err = client.DoAction(request, response)
+	return
+}
+
+// DescribeScdnCcTopUrlWithChan invokes the scdn.DescribeScdnCcTopUrl API asynchronously
+// api document: https://help.aliyun.com/api/scdn/describescdncctopurl.html
+// asynchronous document: https://help.aliyun.com/document_detail/66220.html
+func (client *Client) DescribeScdnCcTopUrlWithChan(request *DescribeScdnCcTopUrlRequest) (<-chan *DescribeScdnCcTopUrlResponse, <-chan error) {
+	responseChan := make(chan *DescribeScdnCcTopUrlResponse, 1)
+	errChan := make(chan error, 1)
+	err := client.AddAsyncTask(func() {
+		defer close(responseChan)
+		defer close(errChan)
+		response, err := client.DescribeScdnCcTopUrl(request)
+		if err != nil {
+			errChan <- err
+		} else {
+			responseChan <- response
+		}
+	})
+	if err != nil {
+		errChan <- err
+		close(responseChan)
+		close(errChan)
+	}
+	return responseChan, errChan
+}
+
+// DescribeScdnCcTopUrlWithCallback invokes the scdn.DescribeScdnCcTopUrl API asynchronously
+// api document: https://help.aliyun.com/api/scdn/describescdncctopurl.html
+// asynchronous document: https://help.aliyun.com/document_detail/66220.html
+func (client *Client) DescribeScdnCcTopUrlWithCallback(request *DescribeScdnCcTopUrlRequest, callback func(response *DescribeScdnCcTopUrlResponse, err error)) <-chan int {
+	result := make(chan int, 1)
+	err := client.AddAsyncTask(func() {
+		var response *DescribeScdnCcTopUrlResponse
+		var err error
+		defer close(result)
+		response, err = client.DescribeScdnCcTopUrl(request)
+		callback(response, err)
+		result <- 1
+	})
+	if err != nil {
+		defer close(result)
+		callback(nil, err)
+		result <- 0
+	}
+	return result
+}
+
+// DescribeScdnCcTopUrlRequest is the request struct for api DescribeScdnCcTopUrl
+type DescribeScdnCcTopUrlRequest struct {
+	*requests.RpcRequest
+	StartTime  string           `position:"Query" name:"StartTime"`
+	PageNumber string           `position:"Query" name:"PageNumber"`
+	PageSize   string           `position:"Query" name:"PageSize"`
+	DomainName string           `position:"Query" name:"DomainName"`
+	EndTime    string           `position:"Query" name:"EndTime"`
+	OwnerId    requests.Integer `position:"Query" name:"OwnerId"`
+}
+
+// DescribeScdnCcTopUrlResponse is the response struct for api DescribeScdnCcTopUrl
+type DescribeScdnCcTopUrlResponse struct {
+	*responses.BaseResponse
+	RequestId         string            `json:"RequestId" xml:"RequestId"`
+	Total             string            `json:"Total" xml:"Total"`
+	DomainName        string            `json:"DomainName" xml:"DomainName"`
+	AttackUrlDataList AttackUrlDataList `json:"AttackUrlDataList" xml:"AttackUrlDataList"`
+}
+
+// CreateDescribeScdnCcTopUrlRequest creates a request to invoke DescribeScdnCcTopUrl API
+func CreateDescribeScdnCcTopUrlRequest() (request *DescribeScdnCcTopUrlRequest) {
+	request = &DescribeScdnCcTopUrlRequest{
+		RpcRequest: &requests.RpcRequest{},
+	}
+	request.InitWithApiInfo("scdn", "2017-11-15", "DescribeScdnCcTopUrl", "", "")
+	return
+}
+
+// CreateDescribeScdnCcTopUrlResponse creates a response to parse from DescribeScdnCcTopUrl response
+func CreateDescribeScdnCcTopUrlResponse() (response *DescribeScdnCcTopUrlResponse) {
+	response = &DescribeScdnCcTopUrlResponse{
+		BaseResponse: &responses.BaseResponse{},
+	}
+	return
+}
diff --git a/services/scdn/describe_scdn_ddos_info.go b/services/scdn/describe_scdn_ddos_info.go
new file mode 100644
index 0000000000..ea183fafcb
--- /dev/null
+++ b/services/scdn/describe_scdn_ddos_info.go
@@ -0,0 +1,105 @@
+package scdn
+
+//Licensed under the Apache License, Version 2.0 (the "License");
+//you may not use this file except in compliance with the License.
+//You may obtain a copy of the License at
+//
+//http://www.apache.org/licenses/LICENSE-2.0
+//
+//Unless required by applicable law or agreed to in writing, software
+//distributed under the License is distributed on an "AS IS" BASIS,
+//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//See the License for the specific language governing permissions and
+//limitations under the License.
+//
+// Code generated by Alibaba Cloud SDK Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is regenerated.
+
+import (
+	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/requests"
+	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/responses"
+)
+
+// DescribeScdnDdosInfo invokes the scdn.DescribeScdnDdosInfo API synchronously
+// api document: https://help.aliyun.com/api/scdn/describescdnddosinfo.html
+func (client *Client) DescribeScdnDdosInfo(request *DescribeScdnDdosInfoRequest) (response *DescribeScdnDdosInfoResponse, err error) {
+	response = CreateDescribeScdnDdosInfoResponse()
+	err = client.DoAction(request, response)
+	return
+}
+
+// DescribeScdnDdosInfoWithChan invokes the scdn.DescribeScdnDdosInfo API asynchronously
+// api document: https://help.aliyun.com/api/scdn/describescdnddosinfo.html
+// asynchronous document: https://help.aliyun.com/document_detail/66220.html
+func (client *Client) DescribeScdnDdosInfoWithChan(request *DescribeScdnDdosInfoRequest) (<-chan *DescribeScdnDdosInfoResponse, <-chan error) {
+	responseChan := make(chan *DescribeScdnDdosInfoResponse, 1)
+	errChan := make(chan error, 1)
+	err := client.AddAsyncTask(func() {
+		defer close(responseChan)
+		defer close(errChan)
+		response, err := client.DescribeScdnDdosInfo(request)
+		if err != nil {
+			errChan <- err
+		} else {
+			responseChan <- response
+		}
+	})
+	if err != nil {
+		errChan <- err
+		close(responseChan)
+		close(errChan)
+	}
+	return responseChan, errChan
+}
+
+// DescribeScdnDdosInfoWithCallback invokes the scdn.DescribeScdnDdosInfo API asynchronously
+// api document: https://help.aliyun.com/api/scdn/describescdnddosinfo.html
+// asynchronous document: https://help.aliyun.com/document_detail/66220.html
+func (client *Client) DescribeScdnDdosInfoWithCallback(request *DescribeScdnDdosInfoRequest, callback func(response *DescribeScdnDdosInfoResponse, err error)) <-chan int {
+	result := make(chan int, 1)
+	err := client.AddAsyncTask(func() {
+		var response *DescribeScdnDdosInfoResponse
+		var err error
+		defer close(result)
+		response, err = client.DescribeScdnDdosInfo(request)
+		callback(response, err)
+		result <- 1
+	})
+	if err != nil {
+		defer close(result)
+		callback(nil, err)
+		result <- 0
+	}
+	return result
+}
+
+// DescribeScdnDdosInfoRequest is the request struct for api DescribeScdnDdosInfo
+type DescribeScdnDdosInfoRequest struct {
+	*requests.RpcRequest
+	OwnerId requests.Integer `position:"Query" name:"OwnerId"`
+}
+
+// DescribeScdnDdosInfoResponse is the response struct for api DescribeScdnDdosInfo
+type DescribeScdnDdosInfoResponse struct {
+	*responses.BaseResponse
+	RequestId        string `json:"RequestId" xml:"RequestId"`
+	SecBandwidth     int    `json:"SecBandwidth" xml:"SecBandwidth"`
+	ElasticBandwidth int    `json:"ElasticBandwidth" xml:"ElasticBandwidth"`
+}
+
+// CreateDescribeScdnDdosInfoRequest creates a request to invoke DescribeScdnDdosInfo API
+func CreateDescribeScdnDdosInfoRequest() (request *DescribeScdnDdosInfoRequest) {
+	request = &DescribeScdnDdosInfoRequest{
+		RpcRequest: &requests.RpcRequest{},
+	}
+	request.InitWithApiInfo("scdn", "2017-11-15", "DescribeScdnDdosInfo", "", "")
+	return
+}
+
+// CreateDescribeScdnDdosInfoResponse creates a response to parse from DescribeScdnDdosInfo response
+func CreateDescribeScdnDdosInfoResponse() (response *DescribeScdnDdosInfoResponse) {
+	response = &DescribeScdnDdosInfoResponse{
+		BaseResponse: &responses.BaseResponse{},
+	}
+	return
+}
diff --git a/services/scdn/describe_scdn_ddos_traffic_info.go b/services/scdn/describe_scdn_ddos_traffic_info.go
new file mode 100644
index 0000000000..d5cb628dc5
--- /dev/null
+++ b/services/scdn/describe_scdn_ddos_traffic_info.go
@@ -0,0 +1,111 @@
+package scdn
+
+//Licensed under the Apache License, Version 2.0 (the "License");
+//you may not use this file except in compliance with the License.
+//You may obtain a copy of the License at
+//
+//http://www.apache.org/licenses/LICENSE-2.0
+//
+//Unless required by applicable law or agreed to in writing, software
+//distributed under the License is distributed on an "AS IS" BASIS,
+//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//See the License for the specific language governing permissions and
+//limitations under the License.
+//
+// Code generated by Alibaba Cloud SDK Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is regenerated.
+
+import (
+	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/requests"
+	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/responses"
+)
+
+// DescribeScdnDdosTrafficInfo invokes the scdn.DescribeScdnDdosTrafficInfo API synchronously
+// api document: https://help.aliyun.com/api/scdn/describescdnddostrafficinfo.html
+func (client *Client) DescribeScdnDdosTrafficInfo(request *DescribeScdnDdosTrafficInfoRequest) (response *DescribeScdnDdosTrafficInfoResponse, err error) {
+	response = CreateDescribeScdnDdosTrafficInfoResponse()
+	err = client.DoAction(request, response)
+	return
+}
+
+// DescribeScdnDdosTrafficInfoWithChan invokes the scdn.DescribeScdnDdosTrafficInfo API asynchronously
+// api document: https://help.aliyun.com/api/scdn/describescdnddostrafficinfo.html
+// asynchronous document: https://help.aliyun.com/document_detail/66220.html
+func (client *Client) DescribeScdnDdosTrafficInfoWithChan(request *DescribeScdnDdosTrafficInfoRequest) (<-chan *DescribeScdnDdosTrafficInfoResponse, <-chan error) {
+	responseChan := make(chan *DescribeScdnDdosTrafficInfoResponse, 1)
+	errChan := make(chan error, 1)
+	err := client.AddAsyncTask(func() {
+		defer close(responseChan)
+		defer close(errChan)
+		response, err := client.DescribeScdnDdosTrafficInfo(request)
+		if err != nil {
+			errChan <- err
+		} else {
+			responseChan <- response
+		}
+	})
+	if err != nil {
+		errChan <- err
+		close(responseChan)
+		close(errChan)
+	}
+	return responseChan, errChan
+}
+
+// DescribeScdnDdosTrafficInfoWithCallback invokes the scdn.DescribeScdnDdosTrafficInfo API asynchronously
+// api document: https://help.aliyun.com/api/scdn/describescdnddostrafficinfo.html
+// asynchronous document: https://help.aliyun.com/document_detail/66220.html
+func (client *Client) DescribeScdnDdosTrafficInfoWithCallback(request *DescribeScdnDdosTrafficInfoRequest, callback func(response *DescribeScdnDdosTrafficInfoResponse, err error)) <-chan int {
+	result := make(chan int, 1)
+	err := client.AddAsyncTask(func() {
+		var response *DescribeScdnDdosTrafficInfoResponse
+		var err error
+		defer close(result)
+		response, err = client.DescribeScdnDdosTrafficInfo(request)
+		callback(response, err)
+		result <- 1
+	})
+	if err != nil {
+		defer close(result)
+		callback(nil, err)
+		result <- 0
+	}
+	return result
+}
+
+// DescribeScdnDdosTrafficInfoRequest is the request struct for api DescribeScdnDdosTrafficInfo
+type DescribeScdnDdosTrafficInfoRequest struct {
+	*requests.RpcRequest
+	Line      string           `position:"Query" name:"Line"`
+	StartTime string           `position:"Query" name:"StartTime"`
+	EndTime   string           `position:"Query" name:"EndTime"`
+	OwnerId   requests.Integer `position:"Query" name:"OwnerId"`
+}
+
+// DescribeScdnDdosTrafficInfoResponse is the response struct for api DescribeScdnDdosTrafficInfo
+type DescribeScdnDdosTrafficInfoResponse struct {
+	*responses.BaseResponse
+	RequestId  string                                  `json:"RequestId" xml:"RequestId"`
+	BpsDrops   BpsDrops                                `json:"BpsDrops" xml:"BpsDrops"`
+	BpsTotals  BpsTotals                               `json:"BpsTotals" xml:"BpsTotals"`
+	PpsTotals  PpsTotals                               `json:"PpsTotals" xml:"PpsTotals"`
+	PpsDrops   PpsDrops                                `json:"PpsDrops" xml:"PpsDrops"`
+	TimeScopes TimeScopesInDescribeScdnDdosTrafficInfo `json:"TimeScopes" xml:"TimeScopes"`
+}
+
+// CreateDescribeScdnDdosTrafficInfoRequest creates a request to invoke DescribeScdnDdosTrafficInfo API
+func CreateDescribeScdnDdosTrafficInfoRequest() (request *DescribeScdnDdosTrafficInfoRequest) {
+	request = &DescribeScdnDdosTrafficInfoRequest{
+		RpcRequest: &requests.RpcRequest{},
+	}
+	request.InitWithApiInfo("scdn", "2017-11-15", "DescribeScdnDdosTrafficInfo", "", "")
+	return
+}
+
+// CreateDescribeScdnDdosTrafficInfoResponse creates a response to parse from DescribeScdnDdosTrafficInfo response
+func CreateDescribeScdnDdosTrafficInfoResponse() (response *DescribeScdnDdosTrafficInfoResponse) {
+	response = &DescribeScdnDdosTrafficInfoResponse{
+		BaseResponse: &responses.BaseResponse{},
+	}
+	return
+}
diff --git a/services/scdn/set_scdn_bot_info.go b/services/scdn/set_scdn_bot_info.go
new file mode 100644
index 0000000000..903407a3d6
--- /dev/null
+++ b/services/scdn/set_scdn_bot_info.go
@@ -0,0 +1,106 @@
+package scdn
+
+//Licensed under the Apache License, Version 2.0 (the "License");
+//you may not use this file except in compliance with the License.
+//You may obtain a copy of the License at
+//
+//http://www.apache.org/licenses/LICENSE-2.0
+//
+//Unless required by applicable law or agreed to in writing, software
+//distributed under the License is distributed on an "AS IS" BASIS,
+//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//See the License for the specific language governing permissions and
+//limitations under the License.
+//
+// Code generated by Alibaba Cloud SDK Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is regenerated.
+
+import (
+	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/requests"
+	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/responses"
+)
+
+// SetScdnBotInfo invokes the scdn.SetScdnBotInfo API synchronously
+// api document: https://help.aliyun.com/api/scdn/setscdnbotinfo.html
+func (client *Client) SetScdnBotInfo(request *SetScdnBotInfoRequest) (response *SetScdnBotInfoResponse, err error) {
+	response = CreateSetScdnBotInfoResponse()
+	err = client.DoAction(request, response)
+	return
+}
+
+// SetScdnBotInfoWithChan invokes the scdn.SetScdnBotInfo API asynchronously
+// api document: https://help.aliyun.com/api/scdn/setscdnbotinfo.html
+// asynchronous document: https://help.aliyun.com/document_detail/66220.html
+func (client *Client) SetScdnBotInfoWithChan(request *SetScdnBotInfoRequest) (<-chan *SetScdnBotInfoResponse, <-chan error) {
+	responseChan := make(chan *SetScdnBotInfoResponse, 1)
+	errChan := make(chan error, 1)
+	err := client.AddAsyncTask(func() {
+		defer close(responseChan)
+		defer close(errChan)
+		response, err := client.SetScdnBotInfo(request)
+		if err != nil {
+			errChan <- err
+		} else {
+			responseChan <- response
+		}
+	})
+	if err != nil {
+		errChan <- err
+		close(responseChan)
+		close(errChan)
+	}
+	return responseChan, errChan
+}
+
+// SetScdnBotInfoWithCallback invokes the scdn.SetScdnBotInfo API asynchronously
+// api document: https://help.aliyun.com/api/scdn/setscdnbotinfo.html
+// asynchronous document: https://help.aliyun.com/document_detail/66220.html
+func (client *Client) SetScdnBotInfoWithCallback(request *SetScdnBotInfoRequest, callback func(response *SetScdnBotInfoResponse, err error)) <-chan int {
+	result := make(chan int, 1)
+	err := client.AddAsyncTask(func() {
+		var response *SetScdnBotInfoResponse
+		var err error
+		defer close(result)
+		response, err = client.SetScdnBotInfo(request)
+		callback(response, err)
+		result <- 1
+	})
+	if err != nil {
+		defer close(result)
+		callback(nil, err)
+		result <- 0
+	}
+	return result
+}
+
+// SetScdnBotInfoRequest is the request struct for api SetScdnBotInfo
+type SetScdnBotInfoRequest struct {
+	*requests.RpcRequest
+	Enable     string           `position:"Query" name:"Enable"`
+	DomainName string           `position:"Query" name:"DomainName"`
+	OwnerId    requests.Integer `position:"Query" name:"OwnerId"`
+	Status     string           `position:"Query" name:"Status"`
+}
+
+// SetScdnBotInfoResponse is the response struct for api SetScdnBotInfo
+type SetScdnBotInfoResponse struct {
+	*responses.BaseResponse
+	RequestId string `json:"RequestId" xml:"RequestId"`
+}
+
+// CreateSetScdnBotInfoRequest creates a request to invoke SetScdnBotInfo API
+func CreateSetScdnBotInfoRequest() (request *SetScdnBotInfoRequest) {
+	request = &SetScdnBotInfoRequest{
+		RpcRequest: &requests.RpcRequest{},
+	}
+	request.InitWithApiInfo("scdn", "2017-11-15", "SetScdnBotInfo", "", "")
+	return
+}
+
+// CreateSetScdnBotInfoResponse creates a response to parse from SetScdnBotInfo response
+func CreateSetScdnBotInfoResponse() (response *SetScdnBotInfoResponse) {
+	response = &SetScdnBotInfoResponse{
+		BaseResponse: &responses.BaseResponse{},
+	}
+	return
+}
diff --git a/services/scdn/set_scdn_cc_info.go b/services/scdn/set_scdn_cc_info.go
new file mode 100644
index 0000000000..111b714caa
--- /dev/null
+++ b/services/scdn/set_scdn_cc_info.go
@@ -0,0 +1,104 @@
+package scdn
+
+//Licensed under the Apache License, Version 2.0 (the "License");
+//you may not use this file except in compliance with the License.
+//You may obtain a copy of the License at
+//
+//http://www.apache.org/licenses/LICENSE-2.0
+//
+//Unless required by applicable law or agreed to in writing, software
+//distributed under the License is distributed on an "AS IS" BASIS,
+//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//See the License for the specific language governing permissions and
+//limitations under the License.
+//
+// Code generated by Alibaba Cloud SDK Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is regenerated.
+
+import (
+	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/requests"
+	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/responses"
+)
+
+// SetScdnCcInfo invokes the scdn.SetScdnCcInfo API synchronously
+// api document: https://help.aliyun.com/api/scdn/setscdnccinfo.html
+func (client *Client) SetScdnCcInfo(request *SetScdnCcInfoRequest) (response *SetScdnCcInfoResponse, err error) {
+	response = CreateSetScdnCcInfoResponse()
+	err = client.DoAction(request, response)
+	return
+}
+
+// SetScdnCcInfoWithChan invokes the scdn.SetScdnCcInfo API asynchronously
+// api document: https://help.aliyun.com/api/scdn/setscdnccinfo.html
+// asynchronous document: https://help.aliyun.com/document_detail/66220.html
+func (client *Client) SetScdnCcInfoWithChan(request *SetScdnCcInfoRequest) (<-chan *SetScdnCcInfoResponse, <-chan error) {
+	responseChan := make(chan *SetScdnCcInfoResponse, 1)
+	errChan := make(chan error, 1)
+	err := client.AddAsyncTask(func() {
+		defer close(responseChan)
+		defer close(errChan)
+		response, err := client.SetScdnCcInfo(request)
+		if err != nil {
+			errChan <- err
+		} else {
+			responseChan <- response
+		}
+	})
+	if err != nil {
+		errChan <- err
+		close(responseChan)
+		close(errChan)
+	}
+	return responseChan, errChan
+}
+
+// SetScdnCcInfoWithCallback invokes the scdn.SetScdnCcInfo API asynchronously
+// api document: https://help.aliyun.com/api/scdn/setscdnccinfo.html
+// asynchronous document: https://help.aliyun.com/document_detail/66220.html
+func (client *Client) SetScdnCcInfoWithCallback(request *SetScdnCcInfoRequest, callback func(response *SetScdnCcInfoResponse, err error)) <-chan int {
+	result := make(chan int, 1)
+	err := client.AddAsyncTask(func() {
+		var response *SetScdnCcInfoResponse
+		var err error
+		defer close(result)
+		response, err = client.SetScdnCcInfo(request)
+		callback(response, err)
+		result <- 1
+	})
+	if err != nil {
+		defer close(result)
+		callback(nil, err)
+		result <- 0
+	}
+	return result
+}
+
+// SetScdnCcInfoRequest is the request struct for api SetScdnCcInfo
+type SetScdnCcInfoRequest struct {
+	*requests.RpcRequest
+	OwnerId requests.Integer `position:"Query" name:"OwnerId"`
+	Status  string           `position:"Query" name:"Status"`
+}
+
+// SetScdnCcInfoResponse is the response struct for api SetScdnCcInfo
+type SetScdnCcInfoResponse struct {
+	*responses.BaseResponse
+	RequestId string `json:"RequestId" xml:"RequestId"`
+}
+
+// CreateSetScdnCcInfoRequest creates a request to invoke SetScdnCcInfo API
+func CreateSetScdnCcInfoRequest() (request *SetScdnCcInfoRequest) {
+	request = &SetScdnCcInfoRequest{
+		RpcRequest: &requests.RpcRequest{},
+	}
+	request.InitWithApiInfo("scdn", "2017-11-15", "SetScdnCcInfo", "", "")
+	return
+}
+
+// CreateSetScdnCcInfoResponse creates a response to parse from SetScdnCcInfo response
+func CreateSetScdnCcInfoResponse() (response *SetScdnCcInfoResponse) {
+	response = &SetScdnCcInfoResponse{
+		BaseResponse: &responses.BaseResponse{},
+	}
+	return
+}
diff --git a/services/scdn/set_scdn_ddos_info.go b/services/scdn/set_scdn_ddos_info.go
new file mode 100644
index 0000000000..8f9b203adf
--- /dev/null
+++ b/services/scdn/set_scdn_ddos_info.go
@@ -0,0 +1,104 @@
+package scdn
+
+//Licensed under the Apache License, Version 2.0 (the "License");
+//you may not use this file except in compliance with the License.
+//You may obtain a copy of the License at
+//
+//http://www.apache.org/licenses/LICENSE-2.0
+//
+//Unless required by applicable law or agreed to in writing, software
+//distributed under the License is distributed on an "AS IS" BASIS,
+//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//See the License for the specific language governing permissions and
+//limitations under the License.
+//
+// Code generated by Alibaba Cloud SDK Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is regenerated.
+
+import (
+	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/requests"
+	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/responses"
+)
+
+// SetScdnDdosInfo invokes the scdn.SetScdnDdosInfo API synchronously
+// api document: https://help.aliyun.com/api/scdn/setscdnddosinfo.html
+func (client *Client) SetScdnDdosInfo(request *SetScdnDdosInfoRequest) (response *SetScdnDdosInfoResponse, err error) {
+	response = CreateSetScdnDdosInfoResponse()
+	err = client.DoAction(request, response)
+	return
+}
+
+// SetScdnDdosInfoWithChan invokes the scdn.SetScdnDdosInfo API asynchronously
+// api document: https://help.aliyun.com/api/scdn/setscdnddosinfo.html
+// asynchronous document: https://help.aliyun.com/document_detail/66220.html
+func (client *Client) SetScdnDdosInfoWithChan(request *SetScdnDdosInfoRequest) (<-chan *SetScdnDdosInfoResponse, <-chan error) {
+	responseChan := make(chan *SetScdnDdosInfoResponse, 1)
+	errChan := make(chan error, 1)
+	err := client.AddAsyncTask(func() {
+		defer close(responseChan)
+		defer close(errChan)
+		response, err := client.SetScdnDdosInfo(request)
+		if err != nil {
+			errChan <- err
+		} else {
+			responseChan <- response
+		}
+	})
+	if err != nil {
+		errChan <- err
+		close(responseChan)
+		close(errChan)
+	}
+	return responseChan, errChan
+}
+
+// SetScdnDdosInfoWithCallback invokes the scdn.SetScdnDdosInfo API asynchronously
+// api document: https://help.aliyun.com/api/scdn/setscdnddosinfo.html
+// asynchronous document: https://help.aliyun.com/document_detail/66220.html
+func (client *Client) SetScdnDdosInfoWithCallback(request *SetScdnDdosInfoRequest, callback func(response *SetScdnDdosInfoResponse, err error)) <-chan int {
+	result := make(chan int, 1)
+	err := client.AddAsyncTask(func() {
+		var response *SetScdnDdosInfoResponse
+		var err error
+		defer close(result)
+		response, err = client.SetScdnDdosInfo(request)
+		callback(response, err)
+		result <- 1
+	})
+	if err != nil {
+		defer close(result)
+		callback(nil, err)
+		result <- 0
+	}
+	return result
+}
+
+// SetScdnDdosInfoRequest is the request struct for api SetScdnDdosInfo
+type SetScdnDdosInfoRequest struct {
+	*requests.RpcRequest
+	OwnerId          requests.Integer `position:"Query" name:"OwnerId"`
+	ElasticBandwidth requests.Integer `position:"Query" name:"ElasticBandwidth"`
+}
+
+// SetScdnDdosInfoResponse is the response struct for api SetScdnDdosInfo
+type SetScdnDdosInfoResponse struct {
+	*responses.BaseResponse
+	RequestId string `json:"RequestId" xml:"RequestId"`
+}
+
+// CreateSetScdnDdosInfoRequest creates a request to invoke SetScdnDdosInfo API
+func CreateSetScdnDdosInfoRequest() (request *SetScdnDdosInfoRequest) {
+	request = &SetScdnDdosInfoRequest{
+		RpcRequest: &requests.RpcRequest{},
+	}
+	request.InitWithApiInfo("scdn", "2017-11-15", "SetScdnDdosInfo", "", "")
+	return
+}
+
+// CreateSetScdnDdosInfoResponse creates a response to parse from SetScdnDdosInfo response
+func CreateSetScdnDdosInfoResponse() (response *SetScdnDdosInfoResponse) {
+	response = &SetScdnDdosInfoResponse{
+		BaseResponse: &responses.BaseResponse{},
+	}
+	return
+}
diff --git a/services/scdn/set_scdn_domain_biz_info.go b/services/scdn/set_scdn_domain_biz_info.go
new file mode 100644
index 0000000000..695c2667ba
--- /dev/null
+++ b/services/scdn/set_scdn_domain_biz_info.go
@@ -0,0 +1,105 @@
+package scdn
+
+//Licensed under the Apache License, Version 2.0 (the "License");
+//you may not use this file except in compliance with the License.
+//You may obtain a copy of the License at
+//
+//http://www.apache.org/licenses/LICENSE-2.0
+//
+//Unless required by applicable law or agreed to in writing, software
+//distributed under the License is distributed on an "AS IS" BASIS,
+//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//See the License for the specific language governing permissions and
+//limitations under the License.
+//
+// Code generated by Alibaba Cloud SDK Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is regenerated.
+
+import (
+	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/requests"
+	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/responses"
+)
+
+// SetScdnDomainBizInfo invokes the scdn.SetScdnDomainBizInfo API synchronously
+// api document: https://help.aliyun.com/api/scdn/setscdndomainbizinfo.html
+func (client *Client) SetScdnDomainBizInfo(request *SetScdnDomainBizInfoRequest) (response *SetScdnDomainBizInfoResponse, err error) {
+	response = CreateSetScdnDomainBizInfoResponse()
+	err = client.DoAction(request, response)
+	return
+}
+
+// SetScdnDomainBizInfoWithChan invokes the scdn.SetScdnDomainBizInfo API asynchronously
+// api document: https://help.aliyun.com/api/scdn/setscdndomainbizinfo.html
+// asynchronous document: https://help.aliyun.com/document_detail/66220.html
+func (client *Client) SetScdnDomainBizInfoWithChan(request *SetScdnDomainBizInfoRequest) (<-chan *SetScdnDomainBizInfoResponse, <-chan error) {
+	responseChan := make(chan *SetScdnDomainBizInfoResponse, 1)
+	errChan := make(chan error, 1)
+	err := client.AddAsyncTask(func() {
+		defer close(responseChan)
+		defer close(errChan)
+		response, err := client.SetScdnDomainBizInfo(request)
+		if err != nil {
+			errChan <- err
+		} else {
+			responseChan <- response
+		}
+	})
+	if err != nil {
+		errChan <- err
+		close(responseChan)
+		close(errChan)
+	}
+	return responseChan, errChan
+}
+
+// SetScdnDomainBizInfoWithCallback invokes the scdn.SetScdnDomainBizInfo API asynchronously
+// api document: https://help.aliyun.com/api/scdn/setscdndomainbizinfo.html
+// asynchronous document: https://help.aliyun.com/document_detail/66220.html
+func (client *Client) SetScdnDomainBizInfoWithCallback(request *SetScdnDomainBizInfoRequest, callback func(response *SetScdnDomainBizInfoResponse, err error)) <-chan int {
+	result := make(chan int, 1)
+	err := client.AddAsyncTask(func() {
+		var response *SetScdnDomainBizInfoResponse
+		var err error
+		defer close(result)
+		response, err = client.SetScdnDomainBizInfo(request)
+		callback(response, err)
+		result <- 1
+	})
+	if err != nil {
+		defer close(result)
+		callback(nil, err)
+		result <- 0
+	}
+	return result
+}
+
+// SetScdnDomainBizInfoRequest is the request struct for api SetScdnDomainBizInfo
+type SetScdnDomainBizInfoRequest struct {
+	*requests.RpcRequest
+	BizName    string           `position:"Query" name:"BizName"`
+	DomainName string           `position:"Query" name:"DomainName"`
+	OwnerId    requests.Integer `position:"Query" name:"OwnerId"`
+}
+
+// SetScdnDomainBizInfoResponse is the response struct for api SetScdnDomainBizInfo
+type SetScdnDomainBizInfoResponse struct {
+	*responses.BaseResponse
+	RequestId string `json:"RequestId" xml:"RequestId"`
+}
+
+// CreateSetScdnDomainBizInfoRequest creates a request to invoke SetScdnDomainBizInfo API
+func CreateSetScdnDomainBizInfoRequest() (request *SetScdnDomainBizInfoRequest) {
+	request = &SetScdnDomainBizInfoRequest{
+		RpcRequest: &requests.RpcRequest{},
+	}
+	request.InitWithApiInfo("scdn", "2017-11-15", "SetScdnDomainBizInfo", "", "")
+	return
+}
+
+// CreateSetScdnDomainBizInfoResponse creates a response to parse from SetScdnDomainBizInfo response
+func CreateSetScdnDomainBizInfoResponse() (response *SetScdnDomainBizInfoResponse) {
+	response = &SetScdnDomainBizInfoResponse{
+		BaseResponse: &responses.BaseResponse{},
+	}
+	return
+}
diff --git a/services/scdn/struct_attack_ip_data_list.go b/services/scdn/struct_attack_ip_data_list.go
new file mode 100644
index 0000000000..7247f08306
--- /dev/null
+++ b/services/scdn/struct_attack_ip_data_list.go
@@ -0,0 +1,21 @@
+package scdn
+
+//Licensed under the Apache License, Version 2.0 (the "License");
+//you may not use this file except in compliance with the License.
+//You may obtain a copy of the License at
+//
+//http://www.apache.org/licenses/LICENSE-2.0
+//
+//Unless required by applicable law or agreed to in writing, software
+//distributed under the License is distributed on an "AS IS" BASIS,
+//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//See the License for the specific language governing permissions and
+//limitations under the License.
+//
+// Code generated by Alibaba Cloud SDK Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is regenerated.
+
+// AttackIpDataList is a nested struct in scdn response
+type AttackIpDataList struct {
+	AttackIpDatas []AttackIpDatas `json:"AttackIpDatas" xml:"AttackIpDatas"`
+}
diff --git a/services/scdn/struct_attack_ip_datas.go b/services/scdn/struct_attack_ip_datas.go
new file mode 100644
index 0000000000..91bc459261
--- /dev/null
+++ b/services/scdn/struct_attack_ip_datas.go
@@ -0,0 +1,22 @@
+package scdn
+
+//Licensed under the Apache License, Version 2.0 (the "License");
+//you may not use this file except in compliance with the License.
+//You may obtain a copy of the License at
+//
+//http://www.apache.org/licenses/LICENSE-2.0
+//
+//Unless required by applicable law or agreed to in writing, software
+//distributed under the License is distributed on an "AS IS" BASIS,
+//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//See the License for the specific language governing permissions and
+//limitations under the License.
+//
+// Code generated by Alibaba Cloud SDK Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is regenerated.
+
+// AttackIpDatas is a nested struct in scdn response
+type AttackIpDatas struct {
+	Ip          string `json:"Ip" xml:"Ip"`
+	AttackCount string `json:"AttackCount" xml:"AttackCount"`
+}
diff --git a/services/scdn/struct_attack_url_data_list.go b/services/scdn/struct_attack_url_data_list.go
new file mode 100644
index 0000000000..e088ac0350
--- /dev/null
+++ b/services/scdn/struct_attack_url_data_list.go
@@ -0,0 +1,21 @@
+package scdn
+
+//Licensed under the Apache License, Version 2.0 (the "License");
+//you may not use this file except in compliance with the License.
+//You may obtain a copy of the License at
+//
+//http://www.apache.org/licenses/LICENSE-2.0
+//
+//Unless required by applicable law or agreed to in writing, software
+//distributed under the License is distributed on an "AS IS" BASIS,
+//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//See the License for the specific language governing permissions and
+//limitations under the License.
+//
+// Code generated by Alibaba Cloud SDK Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is regenerated.
+
+// AttackUrlDataList is a nested struct in scdn response
+type AttackUrlDataList struct {
+	AttackUrlDatas []AttackUrlDatas `json:"AttackUrlDatas" xml:"AttackUrlDatas"`
+}
diff --git a/services/scdn/struct_attack_url_datas.go b/services/scdn/struct_attack_url_datas.go
new file mode 100644
index 0000000000..de7f831d74
--- /dev/null
+++ b/services/scdn/struct_attack_url_datas.go
@@ -0,0 +1,22 @@
+package scdn
+
+//Licensed under the Apache License, Version 2.0 (the "License");
+//you may not use this file except in compliance with the License.
+//You may obtain a copy of the License at
+//
+//http://www.apache.org/licenses/LICENSE-2.0
+//
+//Unless required by applicable law or agreed to in writing, software
+//distributed under the License is distributed on an "AS IS" BASIS,
+//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//See the License for the specific language governing permissions and
+//limitations under the License.
+//
+// Code generated by Alibaba Cloud SDK Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is regenerated.
+
+// AttackUrlDatas is a nested struct in scdn response
+type AttackUrlDatas struct {
+	Url         string `json:"Url" xml:"Url"`
+	AttackCount string `json:"AttackCount" xml:"AttackCount"`
+}
diff --git a/services/scdn/struct_attacks.go b/services/scdn/struct_attacks.go
new file mode 100644
index 0000000000..e9db67c569
--- /dev/null
+++ b/services/scdn/struct_attacks.go
@@ -0,0 +1,21 @@
+package scdn
+
+//Licensed under the Apache License, Version 2.0 (the "License");
+//you may not use this file except in compliance with the License.
+//You may obtain a copy of the License at
+//
+//http://www.apache.org/licenses/LICENSE-2.0
+//
+//Unless required by applicable law or agreed to in writing, software
+//distributed under the License is distributed on an "AS IS" BASIS,
+//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//See the License for the specific language governing permissions and
+//limitations under the License.
+//
+// Code generated by Alibaba Cloud SDK Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is regenerated.
+
+// Attacks is a nested struct in scdn response
+type Attacks struct {
+	Attack []string `json:"Attack" xml:"Attack"`
+}
diff --git a/services/scdn/struct_bps_drops.go b/services/scdn/struct_bps_drops.go
new file mode 100644
index 0000000000..216a16b24e
--- /dev/null
+++ b/services/scdn/struct_bps_drops.go
@@ -0,0 +1,21 @@
+package scdn
+
+//Licensed under the Apache License, Version 2.0 (the "License");
+//you may not use this file except in compliance with the License.
+//You may obtain a copy of the License at
+//
+//http://www.apache.org/licenses/LICENSE-2.0
+//
+//Unless required by applicable law or agreed to in writing, software
+//distributed under the License is distributed on an "AS IS" BASIS,
+//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//See the License for the specific language governing permissions and
+//limitations under the License.
+//
+// Code generated by Alibaba Cloud SDK Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is regenerated.
+
+// BpsDrops is a nested struct in scdn response
+type BpsDrops struct {
+	BpsDrop []string `json:"BpsDrop" xml:"BpsDrop"`
+}
diff --git a/services/scdn/struct_bps_totals.go b/services/scdn/struct_bps_totals.go
new file mode 100644
index 0000000000..84633fc2f4
--- /dev/null
+++ b/services/scdn/struct_bps_totals.go
@@ -0,0 +1,21 @@
+package scdn
+
+//Licensed under the Apache License, Version 2.0 (the "License");
+//you may not use this file except in compliance with the License.
+//You may obtain a copy of the License at
+//
+//http://www.apache.org/licenses/LICENSE-2.0
+//
+//Unless required by applicable law or agreed to in writing, software
+//distributed under the License is distributed on an "AS IS" BASIS,
+//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//See the License for the specific language governing permissions and
+//limitations under the License.
+//
+// Code generated by Alibaba Cloud SDK Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is regenerated.
+
+// BpsTotals is a nested struct in scdn response
+type BpsTotals struct {
+	BpsTotal []string `json:"BpsTotal" xml:"BpsTotal"`
+}
diff --git a/services/scdn/struct_pps_drops.go b/services/scdn/struct_pps_drops.go
new file mode 100644
index 0000000000..92f7351ef9
--- /dev/null
+++ b/services/scdn/struct_pps_drops.go
@@ -0,0 +1,21 @@
+package scdn
+
+//Licensed under the Apache License, Version 2.0 (the "License");
+//you may not use this file except in compliance with the License.
+//You may obtain a copy of the License at
+//
+//http://www.apache.org/licenses/LICENSE-2.0
+//
+//Unless required by applicable law or agreed to in writing, software
+//distributed under the License is distributed on an "AS IS" BASIS,
+//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//See the License for the specific language governing permissions and
+//limitations under the License.
+//
+// Code generated by Alibaba Cloud SDK Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is regenerated.
+
+// PpsDrops is a nested struct in scdn response
+type PpsDrops struct {
+	PpsDrop []string `json:"PpsDrop" xml:"PpsDrop"`
+}
diff --git a/services/scdn/struct_pps_totals.go b/services/scdn/struct_pps_totals.go
new file mode 100644
index 0000000000..e94efe8f11
--- /dev/null
+++ b/services/scdn/struct_pps_totals.go
@@ -0,0 +1,21 @@
+package scdn
+
+//Licensed under the Apache License, Version 2.0 (the "License");
+//you may not use this file except in compliance with the License.
+//You may obtain a copy of the License at
+//
+//http://www.apache.org/licenses/LICENSE-2.0
+//
+//Unless required by applicable law or agreed to in writing, software
+//distributed under the License is distributed on an "AS IS" BASIS,
+//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//See the License for the specific language governing permissions and
+//limitations under the License.
+//
+// Code generated by Alibaba Cloud SDK Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is regenerated.
+
+// PpsTotals is a nested struct in scdn response
+type PpsTotals struct {
+	PpsTotal []string `json:"PpsTotal" xml:"PpsTotal"`
+}
diff --git a/services/scdn/struct_time_scope.go b/services/scdn/struct_time_scope.go
new file mode 100644
index 0000000000..2a912ed142
--- /dev/null
+++ b/services/scdn/struct_time_scope.go
@@ -0,0 +1,22 @@
+package scdn
+
+//Licensed under the Apache License, Version 2.0 (the "License");
+//you may not use this file except in compliance with the License.
+//You may obtain a copy of the License at
+//
+//http://www.apache.org/licenses/LICENSE-2.0
+//
+//Unless required by applicable law or agreed to in writing, software
+//distributed under the License is distributed on an "AS IS" BASIS,
+//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//See the License for the specific language governing permissions and
+//limitations under the License.
+//
+// Code generated by Alibaba Cloud SDK Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is regenerated.
+
+// TimeScope is a nested struct in scdn response
+type TimeScope struct {
+	Interval string `json:"Interval" xml:"Interval"`
+	Start    string `json:"Start" xml:"Start"`
+}
diff --git a/services/scdn/struct_time_scopes_in_describe_scdn_cc_qps_info.go b/services/scdn/struct_time_scopes_in_describe_scdn_cc_qps_info.go
new file mode 100644
index 0000000000..538002d4d2
--- /dev/null
+++ b/services/scdn/struct_time_scopes_in_describe_scdn_cc_qps_info.go
@@ -0,0 +1,21 @@
+package scdn
+
+//Licensed under the Apache License, Version 2.0 (the "License");
+//you may not use this file except in compliance with the License.
+//You may obtain a copy of the License at
+//
+//http://www.apache.org/licenses/LICENSE-2.0
+//
+//Unless required by applicable law or agreed to in writing, software
+//distributed under the License is distributed on an "AS IS" BASIS,
+//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//See the License for the specific language governing permissions and
+//limitations under the License.
+//
+// Code generated by Alibaba Cloud SDK Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is regenerated.
+
+// TimeScopesInDescribeScdnCcQpsInfo is a nested struct in scdn response
+type TimeScopesInDescribeScdnCcQpsInfo struct {
+	TimeScope []TimeScope `json:"TimeScope" xml:"TimeScope"`
+}
diff --git a/services/scdn/struct_time_scopes_in_describe_scdn_ddos_traffic_info.go b/services/scdn/struct_time_scopes_in_describe_scdn_ddos_traffic_info.go
new file mode 100644
index 0000000000..84724ffa0f
--- /dev/null
+++ b/services/scdn/struct_time_scopes_in_describe_scdn_ddos_traffic_info.go
@@ -0,0 +1,21 @@
+package scdn
+
+//Licensed under the Apache License, Version 2.0 (the "License");
+//you may not use this file except in compliance with the License.
+//You may obtain a copy of the License at
+//
+//http://www.apache.org/licenses/LICENSE-2.0
+//
+//Unless required by applicable law or agreed to in writing, software
+//distributed under the License is distributed on an "AS IS" BASIS,
+//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//See the License for the specific language governing permissions and
+//limitations under the License.
+//
+// Code generated by Alibaba Cloud SDK Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is regenerated.
+
+// TimeScopesInDescribeScdnDdosTrafficInfo is a nested struct in scdn response
+type TimeScopesInDescribeScdnDdosTrafficInfo struct {
+	TimeScope []TimeScope `json:"TimeScope" xml:"TimeScope"`
+}
diff --git a/services/scdn/struct_totals.go b/services/scdn/struct_totals.go
new file mode 100644
index 0000000000..b7532e8b0b
--- /dev/null
+++ b/services/scdn/struct_totals.go
@@ -0,0 +1,21 @@
+package scdn
+
+//Licensed under the Apache License, Version 2.0 (the "License");
+//you may not use this file except in compliance with the License.
+//You may obtain a copy of the License at
+//
+//http://www.apache.org/licenses/LICENSE-2.0
+//
+//Unless required by applicable law or agreed to in writing, software
+//distributed under the License is distributed on an "AS IS" BASIS,
+//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//See the License for the specific language governing permissions and
+//limitations under the License.
+//
+// Code generated by Alibaba Cloud SDK Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is regenerated.
+
+// Totals is a nested struct in scdn response
+type Totals struct {
+	Total []string `json:"Total" xml:"Total"`
+}