diff --git a/tools/src/main/java/org/apache/rocketmq/tools/command/MQAdminStartup.java b/tools/src/main/java/org/apache/rocketmq/tools/command/MQAdminStartup.java
index d3342e818dd969598c9cc84bb3f420189aca61bf..a9e3c64df1e717382e59431e4f0aba1b1cb7d9ab 100644
--- a/tools/src/main/java/org/apache/rocketmq/tools/command/MQAdminStartup.java
+++ b/tools/src/main/java/org/apache/rocketmq/tools/command/MQAdminStartup.java
@@ -155,7 +155,7 @@ public class MQAdminStartup {
         initCommand(new QueryMsgByKeySubCommand());
         initCommand(new QueryMsgByUniqueKeySubCommand());
         initCommand(new QueryMsgByOffsetSubCommand());
-        initCommand(new QueryMsgByUniqueKeySubCommand());
+        
         initCommand(new PrintMessageSubCommand());
         initCommand(new PrintMessageByQueueCommand());
         initCommand(new SendMsgStatusCommand());
diff --git a/tools/src/main/java/org/apache/rocketmq/tools/command/topic/UpdateTopicSubCommand.java b/tools/src/main/java/org/apache/rocketmq/tools/command/topic/UpdateTopicSubCommand.java
index 8fdb9d3dbf8f64a63996a2c7537a694a6a4eeb62..27e4c19d7a7448ee4e5701ca8bcc065336db133f 100644
--- a/tools/src/main/java/org/apache/rocketmq/tools/command/topic/UpdateTopicSubCommand.java
+++ b/tools/src/main/java/org/apache/rocketmq/tools/command/topic/UpdateTopicSubCommand.java
@@ -67,15 +67,15 @@ public class UpdateTopicSubCommand implements SubCommand {
         opt.setRequired(false);
         options.addOption(opt);
 
-        opt = new Option("o", "order", true, "set topic's order(true|false");
+        opt = new Option("o", "order", true, "set topic's order(true|false)");
         opt.setRequired(false);
         options.addOption(opt);
 
-        opt = new Option("u", "unit", true, "is unit topic (true|false");
+        opt = new Option("u", "unit", true, "is unit topic (true|false)");
         opt.setRequired(false);
         options.addOption(opt);
 
-        opt = new Option("s", "hasUnitSub", true, "has unit sub (true|false");
+        opt = new Option("s", "hasUnitSub", true, "has unit sub (true|false)");
         opt.setRequired(false);
         options.addOption(opt);