diff --git a/VERSION b/VERSION
index 6e20ade86..d72c06938 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.36.1946
\ No newline at end of file
+1.36.1947
\ No newline at end of file
diff --git a/oceanbasepro/include/alibabacloud/oceanbasepro/model/DescribeInstanceTopologyResult.h b/oceanbasepro/include/alibabacloud/oceanbasepro/model/DescribeInstanceTopologyResult.h
index 346acbedc..41414430b 100644
--- a/oceanbasepro/include/alibabacloud/oceanbasepro/model/DescribeInstanceTopologyResult.h
+++ b/oceanbasepro/include/alibabacloud/oceanbasepro/model/DescribeInstanceTopologyResult.h
@@ -85,7 +85,7 @@ namespace AlibabaCloud
 						};
 						struct NodesItem
 						{
-							struct NodeResourceItem
+							struct NodeResource
 							{
 								struct Cpu
 								{
@@ -106,7 +106,7 @@ namespace AlibabaCloud
 								DiskSize diskSize;
 								Cpu cpu;
 							};
-							std::vector<NodesItem::NodeResourceItem> nodeResource;
+							NodeResource nodeResource;
 							std::string replicaType;
 							std::string nodeId;
 							std::string logicalZone;
diff --git a/oceanbasepro/src/model/DescribeInstanceTopologyResult.cc b/oceanbasepro/src/model/DescribeInstanceTopologyResult.cc
index 011a2db31..16ac6ebbd 100644
--- a/oceanbasepro/src/model/DescribeInstanceTopologyResult.cc
+++ b/oceanbasepro/src/model/DescribeInstanceTopologyResult.cc
@@ -140,27 +140,22 @@ void DescribeInstanceTopologyResult::parse(const std::string &payload)
 				nodesObject.readOnlyCopyId = std::stol(instanceTopologyNodeZonesZonesItemNodesNodesItem["ReadOnlyCopyId"].asString());
 			if(!instanceTopologyNodeZonesZonesItemNodesNodesItem["LogicalZone"].isNull())
 				nodesObject.logicalZone = instanceTopologyNodeZonesZonesItemNodesNodesItem["LogicalZone"].asString();
-			auto allNodeResourceNode = instanceTopologyNodeZonesZonesItemNodesNodesItem["NodeResource"]["NodeResourceItem"];
-			for (auto instanceTopologyNodeZonesZonesItemNodesNodesItemNodeResourceNodeResourceItem : allNodeResourceNode)
-			{
-				InstanceTopology::ZonesItem::NodesItem::NodeResourceItem nodeResourceObject;
-				auto cpuNode = value["Cpu"];
-				if(!cpuNode["UsedCpu"].isNull())
-					nodeResourceObject.cpu.usedCpu = std::stof(cpuNode["UsedCpu"].asString());
-				if(!cpuNode["TotalCpu"].isNull())
-					nodeResourceObject.cpu.totalCpu = std::stoi(cpuNode["TotalCpu"].asString());
-				auto memoryNode = value["Memory"];
-				if(!memoryNode["UsedMemory"].isNull())
-					nodeResourceObject.memory.usedMemory = std::stof(memoryNode["UsedMemory"].asString());
-				if(!memoryNode["TotalMemory"].isNull())
-					nodeResourceObject.memory.totalMemory = std::stol(memoryNode["TotalMemory"].asString());
-				auto diskSizeNode = value["DiskSize"];
-				if(!diskSizeNode["TotalDiskSize"].isNull())
-					nodeResourceObject.diskSize.totalDiskSize = diskSizeNode["TotalDiskSize"].asString();
-				if(!diskSizeNode["UsedDiskSize"].isNull())
-					nodeResourceObject.diskSize.usedDiskSize = diskSizeNode["UsedDiskSize"].asString();
-				nodesObject.nodeResource.push_back(nodeResourceObject);
-			}
+			auto nodeResourceNode = value["NodeResource"];
+			auto cpuNode = nodeResourceNode["Cpu"];
+			if(!cpuNode["UsedCpu"].isNull())
+				nodesObject.nodeResource.cpu.usedCpu = std::stof(cpuNode["UsedCpu"].asString());
+			if(!cpuNode["TotalCpu"].isNull())
+				nodesObject.nodeResource.cpu.totalCpu = std::stoi(cpuNode["TotalCpu"].asString());
+			auto memoryNode = nodeResourceNode["Memory"];
+			if(!memoryNode["UsedMemory"].isNull())
+				nodesObject.nodeResource.memory.usedMemory = std::stof(memoryNode["UsedMemory"].asString());
+			if(!memoryNode["TotalMemory"].isNull())
+				nodesObject.nodeResource.memory.totalMemory = std::stol(memoryNode["TotalMemory"].asString());
+			auto diskSizeNode = nodeResourceNode["DiskSize"];
+			if(!diskSizeNode["TotalDiskSize"].isNull())
+				nodesObject.nodeResource.diskSize.totalDiskSize = diskSizeNode["TotalDiskSize"].asString();
+			if(!diskSizeNode["UsedDiskSize"].isNull())
+				nodesObject.nodeResource.diskSize.usedDiskSize = diskSizeNode["UsedDiskSize"].asString();
 			zonesItemObject.nodes.push_back(nodesObject);
 		}
 		auto zoneResourceNode = value["ZoneResource"];