diff --git a/weed/command/filer_export.go b/weed/command/filer_export.go
index d05607bf5..98ccb4d7d 100644
--- a/weed/command/filer_export.go
+++ b/weed/command/filer_export.go
@@ -3,10 +3,10 @@ package command
 import (
 	"github.com/chrislusf/seaweedfs/weed/filer2"
 	"github.com/chrislusf/seaweedfs/weed/glog"
-	"github.com/chrislusf/seaweedfs/weed/server"
-	"github.com/spf13/viper"
 	"github.com/chrislusf/seaweedfs/weed/notification"
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/chrislusf/seaweedfs/weed/server"
+	"github.com/spf13/viper"
 )
 
 func init() {
diff --git a/weed/filesys/wfs.go b/weed/filesys/wfs.go
index 9b1b98ebf..423ec54e4 100644
--- a/weed/filesys/wfs.go
+++ b/weed/filesys/wfs.go
@@ -34,7 +34,7 @@ type WFS struct {
 
 func NewSeaweedFileSystem(option *Option) *WFS {
 	return &WFS{
-		option: option,
+		option:                    option,
 		listDirectoryEntriesCache: ccache.New(ccache.Configure().MaxSize(6000).ItemsToPrune(100)),
 		pathToHandleIndex:         make(map[string]int),
 	}