add license notice
diff --git a/rocketmq-rocksdb/remove_consumequeue_compactionfilter.cc b/rocketmq-rocksdb/remove_consumequeue_compactionfilter.cc
index fa23d0a..e6f777c 100644
--- a/rocketmq-rocksdb/remove_consumequeue_compactionfilter.cc
+++ b/rocketmq-rocksdb/remove_consumequeue_compactionfilter.cc
@@ -14,8 +14,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
-
 #include "utilities/compaction_filters/remove_consumequeue_compactionfilter.h"
 
 #include <string>
diff --git a/rocketmq-rocksdb/remove_consumequeue_compactionfilter.h b/rocketmq-rocksdb/remove_consumequeue_compactionfilter.h
index fb889cb..a325423 100644
--- a/rocketmq-rocksdb/remove_consumequeue_compactionfilter.h
+++ b/rocketmq-rocksdb/remove_consumequeue_compactionfilter.h
@@ -15,7 +15,6 @@
  * limitations under the License.
  */
 
-
 #pragma once
 
 #include <string>
diff --git a/rocketmq-rocksdb/remove_consumequeue_compactionfilterjni.cc b/rocketmq-rocksdb/remove_consumequeue_compactionfilterjni.cc
index 7187ad9..e6e2b6f 100755
--- a/rocketmq-rocksdb/remove_consumequeue_compactionfilterjni.cc
+++ b/rocketmq-rocksdb/remove_consumequeue_compactionfilterjni.cc
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 #include <jni.h>
 
 #include "include/org_rocksdb_RemoveConsumeQueueCompactionFilter.h"