diff --git a/aliyun-java-sdk-vcs/ChangeLog.txt b/aliyun-java-sdk-vcs/ChangeLog.txt
index 435d0f5278..0f9dfa83ac 100644
--- a/aliyun-java-sdk-vcs/ChangeLog.txt
+++ b/aliyun-java-sdk-vcs/ChangeLog.txt
@@ -1,3 +1,6 @@
+2020-06-16 Version: 1.0.3
+- Update monitor related API.
+
 2020-06-12 Version: 1.0.3
 - Update monitor related API.
 
diff --git a/aliyun-java-sdk-vcs/src/main/java/com/aliyuncs/vcs/model/v20200515/AddMonitorRequest.java b/aliyun-java-sdk-vcs/src/main/java/com/aliyuncs/vcs/model/v20200515/AddMonitorRequest.java
index 290b0d30b7..ade6494d15 100644
--- a/aliyun-java-sdk-vcs/src/main/java/com/aliyuncs/vcs/model/v20200515/AddMonitorRequest.java
+++ b/aliyun-java-sdk-vcs/src/main/java/com/aliyuncs/vcs/model/v20200515/AddMonitorRequest.java
@@ -31,7 +31,9 @@ public class AddMonitorRequest extends RpcAcsRequest<AddMonitorResponse> {
 
 	private String description;
 
-	private Integer batchIndicator;
+	private Integer batchIndicator;
+
+	private String algorithmVendor;
 	public AddMonitorRequest() {
 		super("Vcs", "2020-05-15", "AddMonitor", "vcs");
 		setMethod(MethodType.POST);
@@ -83,6 +85,17 @@ public void setBatchIndicator(Integer batchIndicator) {
 		if(batchIndicator != null){
 			putBodyParameter("BatchIndicator", batchIndicator.toString());
 		}
+	}
+
+	public String getAlgorithmVendor() {
+		return this.algorithmVendor;
+	}
+
+	public void setAlgorithmVendor(String algorithmVendor) {
+		this.algorithmVendor = algorithmVendor;
+		if(algorithmVendor != null){
+			putBodyParameter("AlgorithmVendor", algorithmVendor);
+		}
 	}
 
 	@Override
diff --git a/aliyun-java-sdk-vcs/src/main/java/com/aliyuncs/vcs/model/v20200515/GetMonitorResultRequest.java b/aliyun-java-sdk-vcs/src/main/java/com/aliyuncs/vcs/model/v20200515/GetMonitorResultRequest.java
index 1e5688d798..9dc15a572d 100644
--- a/aliyun-java-sdk-vcs/src/main/java/com/aliyuncs/vcs/model/v20200515/GetMonitorResultRequest.java
+++ b/aliyun-java-sdk-vcs/src/main/java/com/aliyuncs/vcs/model/v20200515/GetMonitorResultRequest.java
@@ -31,6 +31,8 @@ public class GetMonitorResultRequest extends RpcAcsRequest<GetMonitorResultRespo
 
 	private Long startTime;
 
+	private String algorithmVendor;
+
 	private String minRecordId;
 
 	private String taskId;
@@ -76,6 +78,17 @@ public void setStartTime(Long startTime) {
 		}
 	}
 
+	public String getAlgorithmVendor() {
+		return this.algorithmVendor;
+	}
+
+	public void setAlgorithmVendor(String algorithmVendor) {
+		this.algorithmVendor = algorithmVendor;
+		if(algorithmVendor != null){
+			putBodyParameter("AlgorithmVendor", algorithmVendor);
+		}
+	}
+
 	public String getMinRecordId() {
 		return this.minRecordId;
 	}
diff --git a/aliyun-java-sdk-vcs/src/main/java/com/aliyuncs/vcs/model/v20200515/StopMonitorRequest.java b/aliyun-java-sdk-vcs/src/main/java/com/aliyuncs/vcs/model/v20200515/StopMonitorRequest.java
index 1700db3fd3..707e2d643f 100644
--- a/aliyun-java-sdk-vcs/src/main/java/com/aliyuncs/vcs/model/v20200515/StopMonitorRequest.java
+++ b/aliyun-java-sdk-vcs/src/main/java/com/aliyuncs/vcs/model/v20200515/StopMonitorRequest.java
@@ -25,6 +25,8 @@
 public class StopMonitorRequest extends RpcAcsRequest<StopMonitorResponse> {
 	   
 
+	private String algorithmVendor;
+
 	private String taskId;
 	public StopMonitorRequest() {
 		super("Vcs", "2020-05-15", "StopMonitor", "vcs");
@@ -35,6 +37,17 @@ public StopMonitorRequest() {
 		} catch (Exception e) {}
 	}
 
+	public String getAlgorithmVendor() {
+		return this.algorithmVendor;
+	}
+
+	public void setAlgorithmVendor(String algorithmVendor) {
+		this.algorithmVendor = algorithmVendor;
+		if(algorithmVendor != null){
+			putBodyParameter("AlgorithmVendor", algorithmVendor);
+		}
+	}
+
 	public String getTaskId() {
 		return this.taskId;
 	}
diff --git a/aliyun-java-sdk-vcs/src/main/java/com/aliyuncs/vcs/model/v20200515/UpdateMonitorRequest.java b/aliyun-java-sdk-vcs/src/main/java/com/aliyuncs/vcs/model/v20200515/UpdateMonitorRequest.java
index 100c130af3..23e01dcd65 100644
--- a/aliyun-java-sdk-vcs/src/main/java/com/aliyuncs/vcs/model/v20200515/UpdateMonitorRequest.java
+++ b/aliyun-java-sdk-vcs/src/main/java/com/aliyuncs/vcs/model/v20200515/UpdateMonitorRequest.java
@@ -47,7 +47,9 @@ public class UpdateMonitorRequest extends RpcAcsRequest<UpdateMonitorResponse> {
 
 	private String attributeValueList;
 
-	private String deviceList;
+	private String deviceList;
+
+	private String algorithmVendor;
 	public UpdateMonitorRequest() {
 		super("Vcs", "2020-05-15", "UpdateMonitor", "vcs");
 		setMethod(MethodType.POST);
@@ -187,6 +189,17 @@ public void setDeviceList(String deviceList) {
 		if(deviceList != null){
 			putBodyParameter("DeviceList", deviceList);
 		}
+	}
+
+	public String getAlgorithmVendor() {
+		return this.algorithmVendor;
+	}
+
+	public void setAlgorithmVendor(String algorithmVendor) {
+		this.algorithmVendor = algorithmVendor;
+		if(algorithmVendor != null){
+			putBodyParameter("AlgorithmVendor", algorithmVendor);
+		}
 	}
 
 	@Override