spotless
diff --git a/iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/manager/load/balancer/router/leader/HashLeaderBalancer.java b/iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/manager/load/balancer/router/leader/HashLeaderBalancer.java
index 82b39d8..aff023e 100644
--- a/iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/manager/load/balancer/router/leader/HashLeaderBalancer.java
+++ b/iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/manager/load/balancer/router/leader/HashLeaderBalancer.java
@@ -19,15 +19,16 @@
package org.apache.iotdb.confignode.manager.load.balancer.router.leader;
+import org.apache.iotdb.common.rpc.thrift.TConsensusGroupId;
+import org.apache.iotdb.commons.cluster.NodeStatus;
+import org.apache.iotdb.confignode.manager.load.cache.node.NodeStatistics;
+import org.apache.iotdb.confignode.manager.load.cache.region.RegionStatistics;
+
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
-import org.apache.iotdb.common.rpc.thrift.TConsensusGroupId;
-import org.apache.iotdb.commons.cluster.NodeStatus;
-import org.apache.iotdb.confignode.manager.load.cache.node.NodeStatistics;
-import org.apache.iotdb.confignode.manager.load.cache.region.RegionStatistics;
public class HashLeaderBalancer extends AbstractLeaderBalancer {
@Override
