diff --git a/weed/replication/sink/azuresink/azure_sink.go b/weed/replication/sink/azuresink/azure_sink.go
index c3652810d..6adbfd75b 100644
--- a/weed/replication/sink/azuresink/azure_sink.go
+++ b/weed/replication/sink/azuresink/azure_sink.go
@@ -8,11 +8,11 @@ import (
 
 	"github.com/Azure/azure-storage-blob-go/azblob"
 	"github.com/chrislusf/seaweedfs/weed/filer2"
+	"github.com/chrislusf/seaweedfs/weed/glog"
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
 	"github.com/chrislusf/seaweedfs/weed/replication/sink"
 	"github.com/chrislusf/seaweedfs/weed/replication/source"
 	"github.com/chrislusf/seaweedfs/weed/util"
-	"github.com/chrislusf/seaweedfs/weed/glog"
 )
 
 type AzureSink struct {
diff --git a/weed/server/volume_server_handlers_admin.go b/weed/server/volume_server_handlers_admin.go
index 3e1b27cc4..25b6582f7 100644
--- a/weed/server/volume_server_handlers_admin.go
+++ b/weed/server/volume_server_handlers_admin.go
@@ -4,9 +4,9 @@ import (
 	"net/http"
 	"path/filepath"
 
+	"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
 	"github.com/chrislusf/seaweedfs/weed/stats"
 	"github.com/chrislusf/seaweedfs/weed/util"
-	"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
 )
 
 func (vs *VolumeServer) statusHandler(w http.ResponseWriter, r *http.Request) {
diff --git a/weed/server/volume_server_handlers_ui.go b/weed/server/volume_server_handlers_ui.go
index b44044ec5..b3d9a21fd 100644
--- a/weed/server/volume_server_handlers_ui.go
+++ b/weed/server/volume_server_handlers_ui.go
@@ -5,10 +5,10 @@ import (
 	"path/filepath"
 	"time"
 
+	"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
 	ui "github.com/chrislusf/seaweedfs/weed/server/volume_server_ui"
 	"github.com/chrislusf/seaweedfs/weed/stats"
 	"github.com/chrislusf/seaweedfs/weed/util"
-	"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
 )
 
 func (vs *VolumeServer) uiStatusHandler(w http.ResponseWriter, r *http.Request) {
diff --git a/weed/stats/memory.go b/weed/stats/memory.go
index 52bbbe7af..c671efc4d 100644
--- a/weed/stats/memory.go
+++ b/weed/stats/memory.go
@@ -2,6 +2,7 @@ package stats
 
 import (
 	"runtime"
+
 	"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
 )