diff --git a/ChangeLog.txt b/ChangeLog.txt
index 7edd8c1e5..5c9136d8c 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -1,3 +1,7 @@
+2024-10-31 Version: v1.63.45
+- Generated 2014-05-26 for `Ecs`.
+- DescribeInstanceTypes add CpuOptions.
+
 2024-10-30 Version: v1.63.44
 - Generated 2016-11-01 for `live`.
 - Update to support new apis.
diff --git a/services/ecs/struct_cpu_options.go b/services/ecs/struct_cpu_options.go
index afce7920a..650a59197 100644
--- a/services/ecs/struct_cpu_options.go
+++ b/services/ecs/struct_cpu_options.go
@@ -17,8 +17,9 @@ package ecs
 
 // CpuOptions is a nested struct in ecs response
 type CpuOptions struct {
-	Numa           string `json:"Numa" xml:"Numa"`
-	CoreCount      int    `json:"CoreCount" xml:"CoreCount"`
-	ThreadsPerCore int    `json:"ThreadsPerCore" xml:"ThreadsPerCore"`
-	TopologyType   string `json:"TopologyType" xml:"TopologyType"`
+	CoreCount              int                    `json:"CoreCount" xml:"CoreCount"`
+	Numa                   string                 `json:"Numa" xml:"Numa"`
+	TopologyType           string                 `json:"TopologyType" xml:"TopologyType"`
+	ThreadsPerCore         int                    `json:"ThreadsPerCore" xml:"ThreadsPerCore"`
+	SupportedTopologyTypes SupportedTopologyTypes `json:"SupportedTopologyTypes" xml:"SupportedTopologyTypes"`
 }
diff --git a/services/ecs/struct_instance_type.go b/services/ecs/struct_instance_type.go
index 352f6fc84..1dbc4ec36 100644
--- a/services/ecs/struct_instance_type.go
+++ b/services/ecs/struct_instance_type.go
@@ -61,5 +61,6 @@ type InstanceType struct {
 	PhysicalProcessorModel      string             `json:"PhysicalProcessorModel" xml:"PhysicalProcessorModel"`
 	SupportedBootModes          SupportedBootModes `json:"SupportedBootModes" xml:"SupportedBootModes"`
 	EnhancedNetwork             EnhancedNetwork    `json:"EnhancedNetwork" xml:"EnhancedNetwork"`
+	CpuOptions                  CpuOptions         `json:"CpuOptions" xml:"CpuOptions"`
 	NetworkCards                NetworkCards       `json:"NetworkCards" xml:"NetworkCards"`
 }
diff --git a/services/ecs/struct_supported_topology_types.go b/services/ecs/struct_supported_topology_types.go
new file mode 100644
index 000000000..6431d270f
--- /dev/null
+++ b/services/ecs/struct_supported_topology_types.go
@@ -0,0 +1,21 @@
+package ecs
+
+//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.
+
+// SupportedTopologyTypes is a nested struct in ecs response
+type SupportedTopologyTypes struct {
+	SupportedTopologyType []string `json:"SupportedTopologyType" xml:"SupportedTopologyType"`
+}