diff --git a/spring-cloud-stream-binder-rocketmq/src/main/java/com/alibaba/cloud/stream/binder/rocketmq/RocketMQMessageChannelBinder.java b/spring-cloud-stream-binder-rocketmq/src/main/java/com/alibaba/cloud/stream/binder/rocketmq/RocketMQMessageChannelBinder.java
index 91516050..579153e1 100644
--- a/spring-cloud-stream-binder-rocketmq/src/main/java/com/alibaba/cloud/stream/binder/rocketmq/RocketMQMessageChannelBinder.java
+++ b/spring-cloud-stream-binder-rocketmq/src/main/java/com/alibaba/cloud/stream/binder/rocketmq/RocketMQMessageChannelBinder.java
@@ -82,11 +82,10 @@ public class RocketMQMessageChannelBinder extends
 		this.instrumentationManager = instrumentationManager;
 	}
 
-    @Override
+	@Override
 	protected MessageHandler createProducerMessageHandler(ProducerDestination destination,
 			ExtendedProducerProperties<RocketMQProducerProperties> producerProperties,
-														  MessageChannel channel,
-			MessageChannel errorChannel) throws Exception {
+			MessageChannel channel, MessageChannel errorChannel) throws Exception {
 		if (producerProperties.getExtension().getEnabled()) {
 
 			// if producerGroup is empty, using destination
@@ -155,8 +154,6 @@ public class RocketMQMessageChannelBinder extends
 				}
 			}
 
-
-
 			RocketMQMessageHandler messageHandler = new RocketMQMessageHandler(
 					rocketMQTemplate, destination.getName(), producerGroup,
 					producerProperties.getExtension().getTransactional(),
@@ -167,7 +164,7 @@ public class RocketMQMessageChannelBinder extends
 							.findFirst().orElse(null));
 			messageHandler.setBeanFactory(this.getApplicationContext().getBeanFactory());
 			messageHandler.setSync(producerProperties.getExtension().getSync());
-            messageHandler.setHeaderMapper(createHeaderMapper(producerProperties));
+			messageHandler.setHeaderMapper(createHeaderMapper(producerProperties));
 			if (errorChannel != null) {
 				messageHandler.setSendFailureChannel(errorChannel);
 			}
@@ -208,7 +205,7 @@ public class RocketMQMessageChannelBinder extends
 				consumerProperties.getExtension().getDelayLevelWhenNextConsume());
 		listenerContainer
 				.setNameServer(rocketBinderConfigurationProperties.getNameServer());
-        listenerContainer.setHeaderMapper(createHeaderMapper(consumerProperties));
+		listenerContainer.setHeaderMapper(createHeaderMapper(consumerProperties));
 
 		RocketMQInboundChannelAdapter rocketInboundChannelAdapter = new RocketMQInboundChannelAdapter(
 				listenerContainer, consumerProperties, instrumentationManager);
@@ -293,26 +290,27 @@ public class RocketMQMessageChannelBinder extends
 		this.extendedBindingProperties = extendedBindingProperties;
 	}
 
-    private RocketMQHeaderMapper createHeaderMapper(
-            final ExtendedConsumerProperties<RocketMQConsumerProperties> extendedConsumerProperties) {
-        Set<String> trustedPackages = extendedConsumerProperties.getExtension()
-                .getTrustedPackages();
-        return createHeaderMapper(trustedPackages);
-    }
+	private RocketMQHeaderMapper createHeaderMapper(
+			final ExtendedConsumerProperties<RocketMQConsumerProperties> extendedConsumerProperties) {
+		Set<String> trustedPackages = extendedConsumerProperties.getExtension()
+				.getTrustedPackages();
+		return createHeaderMapper(trustedPackages);
+	}
 
-    private RocketMQHeaderMapper createHeaderMapper(
-            final ExtendedProducerProperties<RocketMQProducerProperties> producerProperties) {
-        return createHeaderMapper(Collections.emptyList());
-    }
+	private RocketMQHeaderMapper createHeaderMapper(
+			final ExtendedProducerProperties<RocketMQProducerProperties> producerProperties) {
+		return createHeaderMapper(Collections.emptyList());
+	}
 
-    private RocketMQHeaderMapper createHeaderMapper(Collection<String> trustedPackages){
-        ObjectMapper objectMapper=this.getApplicationContext()
-                .getBeansOfType(ObjectMapper.class).values().iterator().next();
-        JacksonRocketMQHeaderMapper headerMapper = new JacksonRocketMQHeaderMapper(objectMapper);
-        if (!StringUtils.isEmpty(trustedPackages)) {
-            headerMapper.addTrustedPackages(trustedPackages);
-        }
-        return headerMapper;
-    }
+	private RocketMQHeaderMapper createHeaderMapper(Collection<String> trustedPackages) {
+		ObjectMapper objectMapper = this.getApplicationContext()
+				.getBeansOfType(ObjectMapper.class).values().iterator().next();
+		JacksonRocketMQHeaderMapper headerMapper = new JacksonRocketMQHeaderMapper(
+				objectMapper);
+		if (!StringUtils.isEmpty(trustedPackages)) {
+			headerMapper.addTrustedPackages(trustedPackages);
+		}
+		return headerMapper;
+	}
 
 }
diff --git a/spring-cloud-stream-binder-rocketmq/src/main/java/com/alibaba/cloud/stream/binder/rocketmq/consuming/RocketMQListenerBindingContainer.java b/spring-cloud-stream-binder-rocketmq/src/main/java/com/alibaba/cloud/stream/binder/rocketmq/consuming/RocketMQListenerBindingContainer.java
index d0e16604..6a9e4cd2 100644
--- a/spring-cloud-stream-binder-rocketmq/src/main/java/com/alibaba/cloud/stream/binder/rocketmq/consuming/RocketMQListenerBindingContainer.java
+++ b/spring-cloud-stream-binder-rocketmq/src/main/java/com/alibaba/cloud/stream/binder/rocketmq/consuming/RocketMQListenerBindingContainer.java
@@ -445,14 +445,15 @@ public class RocketMQListenerBindingContainer
 	 * @return the converted Spring {@link Message}
 	 */
 	@SuppressWarnings("unchecked")
-    private Message convertToSpringMessage(MessageExt messageExt) {
+	private Message convertToSpringMessage(MessageExt messageExt) {
 
 		// add reconsume-times header to messageExt
 		int reconsumeTimes = messageExt.getReconsumeTimes();
 		messageExt.putUserProperty(ROCKETMQ_RECONSUME_TIMES,
 				String.valueOf(reconsumeTimes));
-		Message message=RocketMQUtil.convertToSpringMessage(messageExt);
-		return MessageBuilder.fromMessage(message).copyHeaders(headerMapper.toHeaders(messageExt.getProperties())).build();
+		Message message = RocketMQUtil.convertToSpringMessage(messageExt);
+		return MessageBuilder.fromMessage(message)
+				.copyHeaders(headerMapper.toHeaders(messageExt.getProperties())).build();
 	}
 
 }
diff --git a/spring-cloud-stream-binder-rocketmq/src/main/java/com/alibaba/cloud/stream/binder/rocketmq/integration/RocketMQMessageHandler.java b/spring-cloud-stream-binder-rocketmq/src/main/java/com/alibaba/cloud/stream/binder/rocketmq/integration/RocketMQMessageHandler.java
index f778964b..1f2f7be7 100644
--- a/spring-cloud-stream-binder-rocketmq/src/main/java/com/alibaba/cloud/stream/binder/rocketmq/integration/RocketMQMessageHandler.java
+++ b/spring-cloud-stream-binder-rocketmq/src/main/java/com/alibaba/cloud/stream/binder/rocketmq/integration/RocketMQMessageHandler.java
@@ -67,7 +67,7 @@ public class RocketMQMessageHandler extends AbstractMessageHandler implements Li
 
 	private final RocketMQTemplate rocketMQTemplate;
 
-    private RocketMQHeaderMapper headerMapper;
+	private RocketMQHeaderMapper headerMapper;
 
 	private final Boolean transactional;
 
@@ -156,12 +156,11 @@ public class RocketMQMessageHandler extends AbstractMessageHandler implements Li
 	protected void handleMessageInternal(org.springframework.messaging.Message<?> message)
 			throws Exception {
 		try {
-            //issue 737 fix
-			Map<String,String> jsonHeaders=headerMapper.fromHeaders(message.getHeaders());
-            message = org.springframework.messaging.support.MessageBuilder
-                    .fromMessage(message).copyHeaders(jsonHeaders)
-                    .build();
-
+			// issue 737 fix
+			Map<String, String> jsonHeaders = headerMapper
+					.fromHeaders(message.getHeaders());
+			message = org.springframework.messaging.support.MessageBuilder
+					.fromMessage(message).copyHeaders(jsonHeaders).build();
 
 			final StringBuilder topicWithTags = new StringBuilder(destination);
 			String tags = Optional
@@ -210,8 +209,8 @@ public class RocketMQMessageHandler extends AbstractMessageHandler implements Li
 					log.debug("sync send to topic " + topicWithTags + " " + sendRes);
 				}
 				else {
-                    Message<?> finalMessage = message;
-                    SendCallback sendCallback = new SendCallback() {
+					Message<?> finalMessage = message;
+					SendCallback sendCallback = new SendCallback() {
 						@Override
 						public void onSuccess(SendResult sendResult) {
 							log.debug("async send to topic " + topicWithTags + " "
@@ -226,7 +225,7 @@ public class RocketMQMessageHandler extends AbstractMessageHandler implements Li
 								getSendFailureChannel().send(
 										RocketMQMessageHandler.this.errorMessageStrategy
 												.buildErrorMessage(new MessagingException(
-                                                        finalMessage, e), null));
+														finalMessage, e), null));
 							}
 						}
 					};