diff --git a/internal/storage/binlog_iterator_test.go b/internal/storage/binlog_iterator_test.go
index 66f0ad92e8..92d59b68de 100644
--- a/internal/storage/binlog_iterator_test.go
+++ b/internal/storage/binlog_iterator_test.go
@@ -17,6 +17,7 @@ import (
 	"github.com/milvus-io/milvus/internal/proto/etcdpb"
 	"github.com/milvus-io/milvus/internal/proto/schemapb"
 	"github.com/milvus-io/milvus/internal/rootcoord"
+
 	"github.com/stretchr/testify/assert"
 )