diff --git a/tools/src/main/java/org/apache/rocketmq/tools/command/export/ExportMetricsCommand.java b/tools/src/main/java/org/apache/rocketmq/tools/command/export/ExportMetricsCommand.java
index 2b7db0b17a2fc2dcb1e7601d7eaef7f107dd0119..497083f09a7333af364ae3166a54fae738a96a20 100644
--- a/tools/src/main/java/org/apache/rocketmq/tools/command/export/ExportMetricsCommand.java
+++ b/tools/src/main/java/org/apache/rocketmq/tools/command/export/ExportMetricsCommand.java
@@ -259,7 +259,7 @@ public class ExportMetricsCommand implements SubCommand {
         totalOneDayNumMap.put("transOneDayInNum", totalOneDayNumMap.get("transOneDayInNum") + transOneDayInNum);
         totalOneDayNumMap.put("scheduleOneDayInNum", totalOneDayNumMap.get("scheduleOneDayInNum") + scheduleOneDayInNum);
 
-        // putMessageAverageSize 平均
+        // putMessageAverageSize
         runtimeQuotaMap.put("messageAverageSize", kvTable.getTable().get("putMessageAverageSize"));
 
         //topicSize