diff --git a/remoting/src/main/java/org/apache/rocketmq/remoting/exception/RemotingTimeoutException.java b/remoting/src/main/java/org/apache/rocketmq/remoting/exception/RemotingTimeoutException.java
index 1ca164de917..0d93a80fed5 100644
--- a/remoting/src/main/java/org/apache/rocketmq/remoting/exception/RemotingTimeoutException.java
+++ b/remoting/src/main/java/org/apache/rocketmq/remoting/exception/RemotingTimeoutException.java
@@ -29,6 +29,6 @@ public RemotingTimeoutException(String addr, long timeoutMillis) {
     }
 
     public RemotingTimeoutException(String addr, long timeoutMillis, Throwable cause) {
-        super("wait response on the channel <" + addr + "> timeout, " + timeoutMillis + "(ms)", cause);
+        super("wait response on the channel <" + addr + ">, timeout: " + timeoutMillis + "(ms)", cause);
     }
 }