diff --git a/CHANGELOG b/CHANGELOG
index 5cd73130b..fbbb00d54 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,6 @@
+2020-06-04 Version: 1.36.446
+- Update monitor related API.
+
 2020-06-03 Version: 1.36.445
 - Describe describeAvailableResource.
 
diff --git a/VERSION b/VERSION
index 5c9e226ce..cfadbc255 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.36.445
\ No newline at end of file
+1.36.446
\ No newline at end of file
diff --git a/vcs/include/alibabacloud/vcs/model/AddMonitorResult.h b/vcs/include/alibabacloud/vcs/model/AddMonitorResult.h
index e22c9e7c4..273456394 100644
--- a/vcs/include/alibabacloud/vcs/model/AddMonitorResult.h
+++ b/vcs/include/alibabacloud/vcs/model/AddMonitorResult.h
@@ -32,20 +32,24 @@ namespace AlibabaCloud
 			class ALIBABACLOUD_VCS_EXPORT AddMonitorResult : public ServiceResult
 			{
 			public:
+				struct Data
+				{
+					std::string taskId;
+				};
 
 
 				AddMonitorResult();
 				explicit AddMonitorResult(const std::string &payload);
 				~AddMonitorResult();
 				std::string getMessage()const;
-				std::string getData()const;
+				Data getData()const;
 				std::string getCode()const;
 
 			protected:
 				void parse(const std::string &payload);
 			private:
 				std::string message_;
-				std::string data_;
+				Data data_;
 				std::string code_;
 
 			};
diff --git a/vcs/include/alibabacloud/vcs/model/UpdateMonitorRequest.h b/vcs/include/alibabacloud/vcs/model/UpdateMonitorRequest.h
index 7654b298a..a13675a9c 100644
--- a/vcs/include/alibabacloud/vcs/model/UpdateMonitorRequest.h
+++ b/vcs/include/alibabacloud/vcs/model/UpdateMonitorRequest.h
@@ -35,12 +35,8 @@ namespace AlibabaCloud
 				UpdateMonitorRequest();
 				~UpdateMonitorRequest();
 
-				std::string getDeviceOperateType()const;
-				void setDeviceOperateType(const std::string& deviceOperateType);
 				std::string getCorpId()const;
 				void setCorpId(const std::string& corpId);
-				std::string getPicList()const;
-				void setPicList(const std::string& picList);
 				std::string getDescription()const;
 				void setDescription(const std::string& description);
 				std::string getRuleName()const;
@@ -49,27 +45,34 @@ namespace AlibabaCloud
 				void setPicOperateType(const std::string& picOperateType);
 				std::string getAttributeName()const;
 				void setAttributeName(const std::string& attributeName);
+				std::string getAttributeOperateType()const;
+				void setAttributeOperateType(const std::string& attributeOperateType);
+				std::string getRuleExpression()const;
+				void setRuleExpression(const std::string& ruleExpression);
+				std::string getTaskId()const;
+				void setTaskId(const std::string& taskId);
+				std::string getDeviceOperateType()const;
+				void setDeviceOperateType(const std::string& deviceOperateType);
+				std::string getPicList()const;
+				void setPicList(const std::string& picList);
 				std::string getAttributeValueList()const;
 				void setAttributeValueList(const std::string& attributeValueList);
 				std::string getDeviceList()const;
 				void setDeviceList(const std::string& deviceList);
-				std::string getAttributeOperateType()const;
-				void setAttributeOperateType(const std::string& attributeOperateType);
-				std::string getTaskId()const;
-				void setTaskId(const std::string& taskId);
 
             private:
-				std::string deviceOperateType_;
 				std::string corpId_;
-				std::string picList_;
 				std::string description_;
 				std::string ruleName_;
 				std::string picOperateType_;
 				std::string attributeName_;
+				std::string attributeOperateType_;
+				std::string ruleExpression_;
+				std::string taskId_;
+				std::string deviceOperateType_;
+				std::string picList_;
 				std::string attributeValueList_;
 				std::string deviceList_;
-				std::string attributeOperateType_;
-				std::string taskId_;
 
 			};
 		}
diff --git a/vcs/src/model/AddMonitorResult.cc b/vcs/src/model/AddMonitorResult.cc
index f4637e651..f277911e1 100644
--- a/vcs/src/model/AddMonitorResult.cc
+++ b/vcs/src/model/AddMonitorResult.cc
@@ -39,12 +39,13 @@ void AddMonitorResult::parse(const std::string &payload)
 	Json::Value value;
 	reader.parse(payload, value);
 	setRequestId(value["RequestId"].asString());
+	auto dataNode = value["Data"];
+	if(!dataNode["TaskId"].isNull())
+		data_.taskId = dataNode["TaskId"].asString();
 	if(!value["Code"].isNull())
 		code_ = value["Code"].asString();
 	if(!value["Message"].isNull())
 		message_ = value["Message"].asString();
-	if(!value["Data"].isNull())
-		data_ = value["Data"].asString();
 
 }
 
@@ -53,7 +54,7 @@ std::string AddMonitorResult::getMessage()const
 	return message_;
 }
 
-std::string AddMonitorResult::getData()const
+AddMonitorResult::Data AddMonitorResult::getData()const
 {
 	return data_;
 }
diff --git a/vcs/src/model/UpdateMonitorRequest.cc b/vcs/src/model/UpdateMonitorRequest.cc
index 940139fc9..93e149d2b 100644
--- a/vcs/src/model/UpdateMonitorRequest.cc
+++ b/vcs/src/model/UpdateMonitorRequest.cc
@@ -27,17 +27,6 @@ UpdateMonitorRequest::UpdateMonitorRequest() :
 UpdateMonitorRequest::~UpdateMonitorRequest()
 {}
 
-std::string UpdateMonitorRequest::getDeviceOperateType()const
-{
-	return deviceOperateType_;
-}
-
-void UpdateMonitorRequest::setDeviceOperateType(const std::string& deviceOperateType)
-{
-	deviceOperateType_ = deviceOperateType;
-	setBodyParameter("DeviceOperateType", deviceOperateType);
-}
-
 std::string UpdateMonitorRequest::getCorpId()const
 {
 	return corpId_;
@@ -49,17 +38,6 @@ void UpdateMonitorRequest::setCorpId(const std::string& corpId)
 	setBodyParameter("CorpId", corpId);
 }
 
-std::string UpdateMonitorRequest::getPicList()const
-{
-	return picList_;
-}
-
-void UpdateMonitorRequest::setPicList(const std::string& picList)
-{
-	picList_ = picList;
-	setBodyParameter("PicList", picList);
-}
-
 std::string UpdateMonitorRequest::getDescription()const
 {
 	return description_;
@@ -104,6 +82,61 @@ void UpdateMonitorRequest::setAttributeName(const std::string& attributeName)
 	setBodyParameter("AttributeName", attributeName);
 }
 
+std::string UpdateMonitorRequest::getAttributeOperateType()const
+{
+	return attributeOperateType_;
+}
+
+void UpdateMonitorRequest::setAttributeOperateType(const std::string& attributeOperateType)
+{
+	attributeOperateType_ = attributeOperateType;
+	setBodyParameter("AttributeOperateType", attributeOperateType);
+}
+
+std::string UpdateMonitorRequest::getRuleExpression()const
+{
+	return ruleExpression_;
+}
+
+void UpdateMonitorRequest::setRuleExpression(const std::string& ruleExpression)
+{
+	ruleExpression_ = ruleExpression;
+	setBodyParameter("RuleExpression", ruleExpression);
+}
+
+std::string UpdateMonitorRequest::getTaskId()const
+{
+	return taskId_;
+}
+
+void UpdateMonitorRequest::setTaskId(const std::string& taskId)
+{
+	taskId_ = taskId;
+	setBodyParameter("TaskId", taskId);
+}
+
+std::string UpdateMonitorRequest::getDeviceOperateType()const
+{
+	return deviceOperateType_;
+}
+
+void UpdateMonitorRequest::setDeviceOperateType(const std::string& deviceOperateType)
+{
+	deviceOperateType_ = deviceOperateType;
+	setBodyParameter("DeviceOperateType", deviceOperateType);
+}
+
+std::string UpdateMonitorRequest::getPicList()const
+{
+	return picList_;
+}
+
+void UpdateMonitorRequest::setPicList(const std::string& picList)
+{
+	picList_ = picList;
+	setBodyParameter("PicList", picList);
+}
+
 std::string UpdateMonitorRequest::getAttributeValueList()const
 {
 	return attributeValueList_;
@@ -126,25 +159,3 @@ void UpdateMonitorRequest::setDeviceList(const std::string& deviceList)
 	setBodyParameter("DeviceList", deviceList);
 }
 
-std::string UpdateMonitorRequest::getAttributeOperateType()const
-{
-	return attributeOperateType_;
-}
-
-void UpdateMonitorRequest::setAttributeOperateType(const std::string& attributeOperateType)
-{
-	attributeOperateType_ = attributeOperateType;
-	setBodyParameter("AttributeOperateType", attributeOperateType);
-}
-
-std::string UpdateMonitorRequest::getTaskId()const
-{
-	return taskId_;
-}
-
-void UpdateMonitorRequest::setTaskId(const std::string& taskId)
-{
-	taskId_ = taskId;
-	setBodyParameter("TaskId", taskId);
-}
-