diff --git a/aliyun-java-sdk-onsmqtt/ChangeLog.txt b/aliyun-java-sdk-onsmqtt/ChangeLog.txt
index 1fa38340dc..20bce30034 100644
--- a/aliyun-java-sdk-onsmqtt/ChangeLog.txt
+++ b/aliyun-java-sdk-onsmqtt/ChangeLog.txt
@@ -1,3 +1,6 @@
+2024-08-27 Version: 1.0.14
+- Generated 2020-04-20 for `OnsMqtt`.
+
 2024-03-25 Version: 1.0.13
 - Generated 2020-04-20 for `OnsMqtt`.
 
diff --git a/aliyun-java-sdk-onsmqtt/pom.xml b/aliyun-java-sdk-onsmqtt/pom.xml
index bea9c4d9b9..2f9e33d155 100644
--- a/aliyun-java-sdk-onsmqtt/pom.xml
+++ b/aliyun-java-sdk-onsmqtt/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.aliyun</groupId>
   <artifactId>aliyun-java-sdk-onsmqtt</artifactId>
   <packaging>jar</packaging>
-  <version>1.0.13</version>
+  <version>1.0.14</version>
   <name>aliyun-java-sdk-onsmqtt</name>
   <url>http://www.aliyun.com</url>
   <description>Aliyun Open API SDK for Java
diff --git a/aliyun-java-sdk-onsmqtt/src/main/java/com/aliyuncs/onsmqtt/model/v20200420/CloseConnectionRequest.java b/aliyun-java-sdk-onsmqtt/src/main/java/com/aliyuncs/onsmqtt/model/v20200420/CloseConnectionRequest.java
new file mode 100644
index 0000000000..870306b9b3
--- /dev/null
+++ b/aliyun-java-sdk-onsmqtt/src/main/java/com/aliyuncs/onsmqtt/model/v20200420/CloseConnectionRequest.java
@@ -0,0 +1,69 @@
+/*
+ * 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.
+ */
+
+package com.aliyuncs.onsmqtt.model.v20200420;
+
+import com.aliyuncs.RpcAcsRequest;
+import com.aliyuncs.http.ProtocolType;
+import com.aliyuncs.http.MethodType;
+import com.aliyuncs.onsmqtt.Endpoint;
+
+/**
+ * @author auto create
+ * @version 
+ */
+public class CloseConnectionRequest extends RpcAcsRequest<CloseConnectionResponse> {
+	   
+
+	private String clientId;
+
+	private String instanceId;
+	public CloseConnectionRequest() {
+		super("OnsMqtt", "2020-04-20", "CloseConnection", "onsmqtt");
+		setProtocol(ProtocolType.HTTPS);
+		setMethod(MethodType.POST);
+		try {
+			com.aliyuncs.AcsRequest.class.getDeclaredField("productEndpointMap").set(this, Endpoint.endpointMap);
+			com.aliyuncs.AcsRequest.class.getDeclaredField("productEndpointRegional").set(this, Endpoint.endpointRegionalType);
+		} catch (Exception e) {}
+	}
+
+	public String getClientId() {
+		return this.clientId;
+	}
+
+	public void setClientId(String clientId) {
+		this.clientId = clientId;
+		if(clientId != null){
+			putQueryParameter("ClientId", clientId);
+		}
+	}
+
+	public String getInstanceId() {
+		return this.instanceId;
+	}
+
+	public void setInstanceId(String instanceId) {
+		this.instanceId = instanceId;
+		if(instanceId != null){
+			putQueryParameter("InstanceId", instanceId);
+		}
+	}
+
+	@Override
+	public Class<CloseConnectionResponse> getResponseClass() {
+		return CloseConnectionResponse.class;
+	}
+
+}
diff --git a/aliyun-java-sdk-onsmqtt/src/main/java/com/aliyuncs/onsmqtt/model/v20200420/CloseConnectionResponse.java b/aliyun-java-sdk-onsmqtt/src/main/java/com/aliyuncs/onsmqtt/model/v20200420/CloseConnectionResponse.java
new file mode 100644
index 0000000000..718bb199ac
--- /dev/null
+++ b/aliyun-java-sdk-onsmqtt/src/main/java/com/aliyuncs/onsmqtt/model/v20200420/CloseConnectionResponse.java
@@ -0,0 +1,76 @@
+/*
+ * 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.
+ */
+
+package com.aliyuncs.onsmqtt.model.v20200420;
+
+import com.aliyuncs.AcsResponse;
+import com.aliyuncs.onsmqtt.transform.v20200420.CloseConnectionResponseUnmarshaller;
+import com.aliyuncs.transform.UnmarshallerContext;
+
+/**
+ * @author auto create
+ * @version 
+ */
+public class CloseConnectionResponse extends AcsResponse {
+
+	private String requestId;
+
+	private Integer code;
+
+	private String message;
+
+	private Boolean success;
+
+	public String getRequestId() {
+		return this.requestId;
+	}
+
+	public void setRequestId(String requestId) {
+		this.requestId = requestId;
+	}
+
+	public Integer getCode() {
+		return this.code;
+	}
+
+	public void setCode(Integer code) {
+		this.code = code;
+	}
+
+	public String getMessage() {
+		return this.message;
+	}
+
+	public void setMessage(String message) {
+		this.message = message;
+	}
+
+	public Boolean getSuccess() {
+		return this.success;
+	}
+
+	public void setSuccess(Boolean success) {
+		this.success = success;
+	}
+
+	@Override
+	public CloseConnectionResponse getInstance(UnmarshallerContext context) {
+		return	CloseConnectionResponseUnmarshaller.unmarshall(this, context);
+	}
+
+	@Override
+	public boolean checkShowJsonItemName() {
+		return false;
+	}
+}
diff --git a/aliyun-java-sdk-onsmqtt/src/main/java/com/aliyuncs/onsmqtt/transform/v20200420/CloseConnectionResponseUnmarshaller.java b/aliyun-java-sdk-onsmqtt/src/main/java/com/aliyuncs/onsmqtt/transform/v20200420/CloseConnectionResponseUnmarshaller.java
new file mode 100644
index 0000000000..42f56758e4
--- /dev/null
+++ b/aliyun-java-sdk-onsmqtt/src/main/java/com/aliyuncs/onsmqtt/transform/v20200420/CloseConnectionResponseUnmarshaller.java
@@ -0,0 +1,32 @@
+/*
+ * 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.
+ */
+
+package com.aliyuncs.onsmqtt.transform.v20200420;
+
+import com.aliyuncs.onsmqtt.model.v20200420.CloseConnectionResponse;
+import com.aliyuncs.transform.UnmarshallerContext;
+
+
+public class CloseConnectionResponseUnmarshaller {
+
+	public static CloseConnectionResponse unmarshall(CloseConnectionResponse closeConnectionResponse, UnmarshallerContext _ctx) {
+		
+		closeConnectionResponse.setRequestId(_ctx.stringValue("CloseConnectionResponse.RequestId"));
+		closeConnectionResponse.setCode(_ctx.integerValue("CloseConnectionResponse.Code"));
+		closeConnectionResponse.setMessage(_ctx.stringValue("CloseConnectionResponse.Message"));
+		closeConnectionResponse.setSuccess(_ctx.booleanValue("CloseConnectionResponse.Success"));
+	 
+	 	return closeConnectionResponse;
+	}
+}
\ No newline at end of file