diff --git a/apm-collector/apm-collector-stream/src/main/java/org/skywalking/apm/collector/stream/worker/WorkerRefs.java b/apm-collector/apm-collector-stream/src/main/java/org/skywalking/apm/collector/stream/worker/WorkerRefs.java
index 9f2f66f65..3cbafe733 100644
--- a/apm-collector/apm-collector-stream/src/main/java/org/skywalking/apm/collector/stream/worker/WorkerRefs.java
+++ b/apm-collector/apm-collector-stream/src/main/java/org/skywalking/apm/collector/stream/worker/WorkerRefs.java
@@ -31,7 +31,7 @@ public class WorkerRefs<T extends WorkerRef> {
         logger.debug("WorkerSelector instance of {}", workerSelector.getClass());
         workerRefs.forEach(workerRef -> {
             if (workerRef instanceof RemoteWorkerRef) {
-                logger.info("message hashcode: {}, select workers: {}", message.hashCode(), workerRef.toString());
+                logger.debug("message hashcode: {}, select workers: {}", message.hashCode(), workerRef.toString());
             }
         });
         workerSelector.select(workerRefs, message).tell(message);
diff --git a/apm-collector/apm-collector-stream/src/main/java/org/skywalking/apm/collector/stream/worker/impl/PersistenceWorker.java b/apm-collector/apm-collector-stream/src/main/java/org/skywalking/apm/collector/stream/worker/impl/PersistenceWorker.java
index c1e509c20..a66086ca0 100644
--- a/apm-collector/apm-collector-stream/src/main/java/org/skywalking/apm/collector/stream/worker/impl/PersistenceWorker.java
+++ b/apm-collector/apm-collector-stream/src/main/java/org/skywalking/apm/collector/stream/worker/impl/PersistenceWorker.java
@@ -122,7 +122,7 @@ public abstract class PersistenceWorker extends AbstractLocalAsyncWorker {
         Data data = (Data)message;
 
         if (dataCache.containsKey(data.id())) {
-            getRole().dataDefine().mergeData(data, dataCache.get(data.id()));
+            getRole().dataDefine().mergeData(dataCache.get(data.id()), data);
         } else {
             dataCache.put(data.id(), data);
         }