diff --git a/obfscp/scp.go b/obfscp/scp.go
index ce11e6c..0f5a0c4 100644
--- a/obfscp/scp.go
+++ b/obfscp/scp.go
@@ -16,8 +16,6 @@ import (
 
 	"github.com/bgentry/speakeasy"
 	"github.com/fangdingjun/go-log"
-	"github.com/fangdingjun/go-log/formatters"
-	"github.com/fangdingjun/go-log/writers"
 	"github.com/fangdingjun/obfssh"
 	"github.com/kr/fs"
 	"github.com/pkg/sftp"
@@ -68,7 +66,7 @@ func main() {
 		os.Exit(1)
 	}
 	if logfile != "" {
-		log.Default.Out = &writers.FixedSizeFileWriter{
+		log.Default.Out = &log.FixedSizeFileWriter{
 			MaxCount: logFileCount,
 			Name:     logfile,
 			MaxSize:  logFileSize * 1024 * 1024,
@@ -84,8 +82,6 @@ func main() {
 		log.Default.Level = lv
 	}
 
-	log.Default.Formatter = &formatters.TextFormatter{TimeFormat: "2006-01-02 15:04:05.000"}
-
 	var err error
 
 	if strings.Contains(args[0], ":") {
diff --git a/obfssh/ssh.go b/obfssh/ssh.go
index 54237a3..a7173c3 100644
--- a/obfssh/ssh.go
+++ b/obfssh/ssh.go
@@ -13,8 +13,6 @@ import (
 
 	"github.com/bgentry/speakeasy"
 	"github.com/fangdingjun/go-log"
-	"github.com/fangdingjun/go-log/formatters"
-	"github.com/fangdingjun/go-log/writers"
 	"github.com/fangdingjun/obfssh"
 	"golang.org/x/crypto/ssh"
 	"golang.org/x/crypto/ssh/agent"
@@ -55,7 +53,7 @@ func main() {
 	flag.Parse()
 
 	if logfile != "" {
-		log.Default.Out = &writers.FixedSizeFileWriter{
+		log.Default.Out = &log.FixedSizeFileWriter{
 			MaxCount: logFileCount,
 			Name:     logfile,
 			MaxSize:  logFileSize * 1024 * 1024,
@@ -75,8 +73,6 @@ func main() {
 		log.Default.Level = lv
 	}
 
-	log.Default.Formatter = &formatters.TextFormatter{TimeFormat: "2006-01-02 15:04:05.000"}
-
 	if configfile != "" {
 		if err := loadConfig(&cfg, configfile); err != nil {
 			log.Fatal(err)
diff --git a/obfsshd/server.go b/obfsshd/server.go
index 42182d3..b1a3fc8 100644
--- a/obfsshd/server.go
+++ b/obfsshd/server.go
@@ -11,8 +11,6 @@ import (
 	"os"
 
 	"github.com/fangdingjun/go-log"
-	"github.com/fangdingjun/go-log/formatters"
-	"github.com/fangdingjun/go-log/writers"
 	"github.com/fangdingjun/obfssh"
 	"golang.org/x/crypto/ssh"
 )
@@ -34,7 +32,7 @@ func main() {
 	flag.Parse()
 
 	if logfile != "" {
-		log.Default.Out = &writers.FixedSizeFileWriter{
+		log.Default.Out = &log.FixedSizeFileWriter{
 			MaxCount: logFileCount,
 			Name:     logfile,
 			MaxSize:  logFileSize * 1024 * 1024,
@@ -50,8 +48,6 @@ func main() {
 		log.Default.Level = lv
 	}
 
-	log.Default.Formatter = &formatters.TextFormatter{TimeFormat: "2006-01-02 15:04:05.000"}
-
 	conf, err := loadConfig(configfile)
 	if err != nil {
 		log.Fatal(err)