diff --git a/broker/src/main/java/org/apache/rocketmq/broker/BrokerController.java b/broker/src/main/java/org/apache/rocketmq/broker/BrokerController.java
index 796b72ef273abe22ca74819f0946b678293a367c..e649665ad4d77b78216e1ca03f5542e5643de5eb 100644
--- a/broker/src/main/java/org/apache/rocketmq/broker/BrokerController.java
+++ b/broker/src/main/java/org/apache/rocketmq/broker/BrokerController.java
@@ -508,6 +508,7 @@ public class BrokerController {
 
                 @Override
                 public void doBeforeRequest(String remoteAddr, RemotingCommand request) {
+                    //Do not catch the exception
                     validator.validate(validator.parse(request, remoteAddr));
                 }