diff --git a/eventmesh-sdk-java/src/main/java/org/apache/eventmesh/client/tcp/impl/cloudevent/CloudEventTCPPubClient.java b/eventmesh-sdk-java/src/main/java/org/apache/eventmesh/client/tcp/impl/cloudevent/CloudEventTCPPubClient.java
index b7de41275f..935cd55c38 100644
--- a/eventmesh-sdk-java/src/main/java/org/apache/eventmesh/client/tcp/impl/cloudevent/CloudEventTCPPubClient.java
+++ b/eventmesh-sdk-java/src/main/java/org/apache/eventmesh/client/tcp/impl/cloudevent/CloudEventTCPPubClient.java
@@ -85,7 +85,7 @@ public Package rr(CloudEvent event, long timeout) throws EventMeshException {
             log.info("{}|rr|send|type={}|msg={}", clientNo, msg, msg);
             return io(msg, timeout);
         } catch (Exception ex) {
-            throw new EventMeshException("rr error");
+            throw new EventMeshException("rr error", ex);
         }
     }