diff --git a/example/mica-mqtt-client-solon-plugin-example/src/main/java/org/dromara/mica/mqtt/client/solon/listener/MqttClientDisconnectListener.java b/example/mica-mqtt-client-solon-plugin-example/src/main/java/org/dromara/mica/mqtt/client/solon/listener/MqttClientDisconnectListener.java
index 38ceb255..0a1df05f 100644
--- a/example/mica-mqtt-client-solon-plugin-example/src/main/java/org/dromara/mica/mqtt/client/solon/listener/MqttClientDisconnectListener.java
+++ b/example/mica-mqtt-client-solon-plugin-example/src/main/java/org/dromara/mica/mqtt/client/solon/listener/MqttClientDisconnectListener.java
@@ -38,10 +38,10 @@ public class MqttClientDisconnectListener implements EventListener<MqttDisconnec
 
 	@Override
 	public void onEvent(MqttDisconnectEvent mqttDisconnectEvent) throws Throwable {
-			logger.info("MqttDisconnectEvent:{}", mqttDisconnectEvent);
-			// 在断线时更新 clientId、username、password
-			mqttClientCreator.clientId("newClient" + System.currentTimeMillis())
-				.username("newUserName")
-				.password("newPassword");
+		logger.info("MqttDisconnectEvent:{}", mqttDisconnectEvent);
+		// 在断线时更新 clientId、username、password，只能改这 3 个，不可调用其他方法。
+//		mqttClientCreator.clientId("newClient" + System.currentTimeMillis())
+//			.username("newUserName")
+//			.password("newPassword");
 	}
 }
diff --git a/example/mica-mqtt-client-spring-boot-example/src/main/java/org/dromara/mica/mqtt/client/listener/MqttClientConnectListener.java b/example/mica-mqtt-client-spring-boot-example/src/main/java/org/dromara/mica/mqtt/client/listener/MqttClientConnectListener.java
index c5b74592..b279dfad 100644
--- a/example/mica-mqtt-client-spring-boot-example/src/main/java/org/dromara/mica/mqtt/client/listener/MqttClientConnectListener.java
+++ b/example/mica-mqtt-client-spring-boot-example/src/main/java/org/dromara/mica/mqtt/client/listener/MqttClientConnectListener.java
@@ -46,9 +46,9 @@ public void onConnected(MqttConnectedEvent event) {
 	public void onDisconnect(MqttDisconnectEvent event) {
 		logger.info("MqttDisconnectEvent:{}", event);
 		// 在断线时更新 clientId、username、password，只能改这 3 个，不可调用其他方法。
-		mqttClientCreator.clientId("newClient" + System.currentTimeMillis())
-			.username("newUserName")
-			.password("newPassword");
+//		mqttClientCreator.clientId("newClient" + System.currentTimeMillis())
+//			.username("newUserName")
+//			.password("newPassword");
 	}
 
 }