diff --git a/states/etcd/remove/session.go b/states/etcd/remove/session.go
index a0846a6..f7e9c50 100644
--- a/states/etcd/remove/session.go
+++ b/states/etcd/remove/session.go
@@ -5,10 +5,11 @@ import (
 	"fmt"
 	"strings"
 
+	"github.com/samber/lo"
+
 	"github.com/milvus-io/birdwatcher/framework"
 	"github.com/milvus-io/birdwatcher/models"
 	"github.com/milvus-io/birdwatcher/states/etcd/common"
-	"github.com/samber/lo"
 )
 
 type RemoveSessionParam struct {