diff --git a/driver-rocketmq/src/main/java/io/openmessaging/benchmark/driver/rocketmq/RocketMQBenchmarkDriver.java b/driver-rocketmq/src/main/java/io/openmessaging/benchmark/driver/rocketmq/RocketMQBenchmarkDriver.java
index d5e2edeb..cc54c757 100644
--- a/driver-rocketmq/src/main/java/io/openmessaging/benchmark/driver/rocketmq/RocketMQBenchmarkDriver.java
+++ b/driver-rocketmq/src/main/java/io/openmessaging/benchmark/driver/rocketmq/RocketMQBenchmarkDriver.java
@@ -93,7 +93,8 @@ public String getTopicNamePrefix() {
     int fetchCnt = 0;
 
     private synchronized Set<String> fetchMasterAndSlaveAddrByClusterName(final MQAdminExt adminExt,
-        final String clusterName) throws RemotingConnectException, RemotingSendRequestException, RemotingTimeoutException, MQBrokerException, InterruptedException {
+        final String clusterName) throws RemotingConnectException, RemotingSendRequestException,
+        RemotingTimeoutException, MQBrokerException, InterruptedException {
         Set<String> brokerList = cachedBrokerAddr.get(clusterName);
         if (brokerList == null) {
             brokerList =
@@ -113,35 +114,35 @@ private synchronized Set<String> fetchMasterAndSlaveAddrByClusterName(final MQAd
     @Override
     public CompletableFuture<Void> createTopic(final String topic, final int partitions) {
         return CompletableFuture.runAsync(
-                () -> {
-                    TopicConfig topicConfig = new TopicConfig();
-                    topicConfig.setOrder(false);
-                    topicConfig.setPerm(6);
-                    topicConfig.setReadQueueNums(partitions);
-                    topicConfig.setWriteQueueNums(partitions);
-                    topicConfig.setTopicName(topic);
-                    if (Boolean.TRUE.equals(this.rmqClientConfig.batchCQ)) {
-                        topicConfig.getAttributes().put("+" + TopicAttributes.QUEUE_TYPE_ATTRIBUTE.getName(), "BatchCQ");
-                    }
+            () -> {
+                TopicConfig topicConfig = new TopicConfig();
+                topicConfig.setOrder(false);
+                topicConfig.setPerm(6);
+                topicConfig.setReadQueueNums(partitions);
+                topicConfig.setWriteQueueNums(partitions);
+                topicConfig.setTopicName(topic);
+                if (Boolean.TRUE.equals(this.rmqClientConfig.batchCQ)) {
+                    topicConfig.getAttributes().put("+" + TopicAttributes.QUEUE_TYPE_ATTRIBUTE.getName(), "BatchCQ");
+                }
 
-                    try {
-                        Set<String> brokerList =
-                                fetchMasterAndSlaveAddrByClusterName(
-                                        this.rmqAdmin, this.rmqClientConfig.clusterName);
-                        topicConfig.setReadQueueNums(Math.max(1, partitions / brokerList.size()));
-                        topicConfig.setWriteQueueNums(Math.max(1, partitions / brokerList.size()));
+                try {
+                    Set<String> brokerList =
+                            fetchMasterAndSlaveAddrByClusterName(
+                                    this.rmqAdmin, this.rmqClientConfig.clusterName);
+                    topicConfig.setReadQueueNums(Math.max(1, partitions / brokerList.size()));
+                    topicConfig.setWriteQueueNums(Math.max(1, partitions / brokerList.size()));
 
-                        for (String brokerAddr : brokerList) {
-                            this.rmqAdmin.createAndUpdateTopicConfig(brokerAddr, topicConfig);
-                        }
-                    } catch (Exception e) {
-                        throw new RuntimeException(
-                                String.format(
-                                        "Failed to create topic [%s] to cluster [%s]",
-                                        topic, this.rmqClientConfig.clusterName),
-                                e);
+                    for (String brokerAddr : brokerList) {
+                        this.rmqAdmin.createAndUpdateTopicConfig(brokerAddr, topicConfig);
                     }
-                });
+                } catch (Exception e) {
+                    throw new RuntimeException(
+                            String.format(
+                                    "Failed to create topic [%s] to cluster [%s]",
+                                    topic, this.rmqClientConfig.clusterName),
+                            e);
+                }
+            });
     }
 
     @Override