diff --git a/tools/src/main/java/org/apache/rocketmq/tools/command/topic/TopicRouteSubCommand.java b/tools/src/main/java/org/apache/rocketmq/tools/command/topic/TopicRouteSubCommand.java
index 8d739f657da37519ca3545be6c3edcb6d7a7bd25..b9d76bd3416f77fcaea8a1aeca3d5211bd05fc92 100644
--- a/tools/src/main/java/org/apache/rocketmq/tools/command/topic/TopicRouteSubCommand.java
+++ b/tools/src/main/java/org/apache/rocketmq/tools/command/topic/TopicRouteSubCommand.java
@@ -60,7 +60,7 @@ public class TopicRouteSubCommand implements SubCommand {
 
     @Override
     public void execute(final CommandLine commandLine, final Options options,
-                        RPCHook rpcHook) throws SubCommandException {
+        RPCHook rpcHook) throws SubCommandException {
         DefaultMQAdminExt defaultMQAdminExt = new DefaultMQAdminExt(rpcHook);
 
         defaultMQAdminExt.setInstanceName(Long.toString(System.currentTimeMillis()));