diff --git a/store/src/test/java/org/apache/rocketmq/store/StoreStatsServiceTest.java b/store/src/test/java/org/apache/rocketmq/store/StoreStatsServiceTest.java
index bb39bf951359457ed743463ab43815a6357a47b6..5b6f033e7ed15279b4b001e6382eac83be2c1613 100644
--- a/store/src/test/java/org/apache/rocketmq/store/StoreStatsServiceTest.java
+++ b/store/src/test/java/org/apache/rocketmq/store/StoreStatsServiceTest.java
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package org.apache.rocketmq.store;
 
 import java.util.concurrent.BrokenBarrierException;
@@ -7,9 +23,7 @@ import java.util.concurrent.atomic.AtomicLong;
 import java.util.concurrent.atomic.AtomicReference;
 import org.junit.Test;
 
-/**
- * @author song
- */
+
 public class StoreStatsServiceTest {
 
   @Test