diff --git a/cmd/sowerd/main.go b/cmd/sowerd/main.go
index 6cebaa1..1d32030 100644
--- a/cmd/sowerd/main.go
+++ b/cmd/sowerd/main.go
@@ -10,7 +10,7 @@ import (
 
 	"github.com/cristalhq/aconfig"
 	"github.com/rs/zerolog/log"
-	"github.com/wweir/sower/pkg/deferlog"
+	"github.com/wweir/deferlog"
 	"github.com/wweir/sower/pkg/teeconn"
 	"github.com/wweir/sower/transport/sower"
 	"github.com/wweir/sower/transport/trojan"
diff --git a/go.mod b/go.mod
index 5807651..8569526 100644
--- a/go.mod
+++ b/go.mod
@@ -14,5 +14,6 @@ require (
 	github.com/pkg/errors v0.9.1
 	github.com/rs/zerolog v1.23.0
 	github.com/ulule/deepcopier v0.0.0-20200430083143-45decc6639b6
+	github.com/wweir/deferlog v0.0.1
 	golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97
 )
diff --git a/go.sum b/go.sum
index d6f65aa..1600c73 100644
--- a/go.sum
+++ b/go.sum
@@ -40,6 +40,8 @@ github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5Cc
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/ulule/deepcopier v0.0.0-20200430083143-45decc6639b6 h1:TtyC78WMafNW8QFfv3TeP3yWNDG+uxNkk9vOrnDu6JA=
 github.com/ulule/deepcopier v0.0.0-20200430083143-45decc6639b6/go.mod h1:h8272+G2omSmi30fBXiZDMkmHuOgonplfKIKjQWzlfs=
+github.com/wweir/deferlog v0.0.1 h1:KKWFRsS46KTqkAR4F79VtZ4h7Q6PvnbrPkBdUxEUujc=
+github.com/wweir/deferlog v0.0.1/go.mod h1:mIpuA0PTdQ28oas0iR1uZYlFiDyOxMOXQgmx6gNOg3I=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
diff --git a/pkg/deferlog/deferlog.go b/pkg/deferlog/deferlog.go
deleted file mode 100644
index abcaa0d..0000000
--- a/pkg/deferlog/deferlog.go
+++ /dev/null
@@ -1,131 +0,0 @@
-// Package deferlog is a copy of zerolog/log/log.go for log in defer
-package deferlog
-
-import (
-	"context"
-	"fmt"
-	"io"
-	"os"
-
-	"github.com/rs/zerolog"
-)
-
-// Logger is the global logger.
-var Logger = zerolog.New(os.Stderr).With().Timestamp().Logger()
-
-// Output duplicates the global logger and sets w as its output.
-func Output(w io.Writer) zerolog.Logger {
-	return Logger.Output(w)
-}
-
-// With creates a child logger with the field added to its context.
-func With() zerolog.Context {
-	return Logger.With()
-}
-
-// Level creates a child logger with the minimum accepted level set to level.
-func Level(level zerolog.Level) zerolog.Logger {
-	return Logger.Level(level)
-}
-
-// Sample returns a logger with the s sampler.
-func Sample(s zerolog.Sampler) zerolog.Logger {
-	return Logger.Sample(s)
-}
-
-// Hook returns a logger with the h Hook.
-func Hook(h zerolog.Hook) zerolog.Logger {
-	return Logger.Hook(h)
-}
-
-// Err starts a new message with error level with err as a field if not nil or
-// with info level if err is nil.
-//
-// You must call Msg on the returned event in order to send the event.
-func Err(err error) *zerolog.Event {
-	return Logger.Err(err)
-}
-
-// Trace starts a new message with trace level.
-//
-// You must call Msg on the returned event in order to send the event.
-func Trace() *zerolog.Event {
-	return Logger.Trace()
-}
-
-// Debug starts a new message with debug level.
-//
-// You must call Msg on the returned event in order to send the event.
-func Debug() *zerolog.Event {
-	return Logger.Debug()
-}
-
-// Info starts a new message with info level.
-//
-// You must call Msg on the returned event in order to send the event.
-func Info() *zerolog.Event {
-	return Logger.Info()
-}
-
-// Warn starts a new message with warn level.
-//
-// You must call Msg on the returned event in order to send the event.
-func Warn() *zerolog.Event {
-	return Logger.Warn()
-}
-
-// Error starts a new message with error level.
-//
-// You must call Msg on the returned event in order to send the event.
-func Error() *zerolog.Event {
-	return Logger.Error()
-}
-
-// Fatal starts a new message with fatal level. The os.Exit(1) function
-// is called by the Msg method.
-//
-// You must call Msg on the returned event in order to send the event.
-func Fatal() *zerolog.Event {
-	return Logger.Fatal()
-}
-
-// Panic starts a new message with panic level. The message is also sent
-// to the panic function.
-//
-// You must call Msg on the returned event in order to send the event.
-func Panic() *zerolog.Event {
-	return Logger.Panic()
-}
-
-// WithLevel starts a new message with level.
-//
-// You must call Msg on the returned event in order to send the event.
-func WithLevel(level zerolog.Level) *zerolog.Event {
-	return Logger.WithLevel(level)
-}
-
-// Log starts a new message with no level. Setting zerolog.GlobalLevel to
-// zerolog.Disabled will still disable events produced by this method.
-//
-// You must call Msg on the returned event in order to send the event.
-func Log() *zerolog.Event {
-	return Logger.Log()
-}
-
-// Print sends a log event using debug level and no extra field.
-// Arguments are handled in the manner of fmt.Print.
-func Print(v ...interface{}) {
-	Logger.Debug().CallerSkipFrame(1).Msg(fmt.Sprint(v...))
-}
-
-// Printf sends a log event using debug level and no extra field.
-// Arguments are handled in the manner of fmt.Printf.
-func Printf(format string, v ...interface{}) {
-	Logger.Debug().CallerSkipFrame(1).Msgf(format, v...)
-}
-
-// Ctx returns the Logger associated with the ctx. If no logger
-// is associated, a disabled logger is returned.
-func Ctx(ctx context.Context) *zerolog.Logger {
-	return zerolog.Ctx(ctx)
-}
diff --git a/pkg/deferlog/enhance.go b/pkg/deferlog/enhance.go
deleted file mode 100644
index 49d1602..0000000
--- a/pkg/deferlog/enhance.go
+++ /dev/null
@@ -1,88 +0,0 @@
-package deferlog
-
-import (
-	"github.com/rs/zerolog"
-	"github.com/rs/zerolog/log"
-)
-
-func InfoWarn(err error) *zerolog.Event {
-	if err != nil {
-		return Logger.Warn().Err(err)
-	}
-
-	return Logger.Info()
-}
-func InfoFatal(err error) *zerolog.Event {
-	if err != nil {
-		return Logger.Fatal().Err(err)
-	}
-
-	return Logger.Info()
-}
-
-func DebugWarn(err error) *zerolog.Event {
-	if err != nil {
-		return Logger.Warn().Err(err)
-	}
-
-	return Logger.Debug()
-}
-func DebugError(err error) *zerolog.Event {
-	if err != nil {
-		return Logger.Error().Err(err)
-	}
-
-	return Logger.Debug()
-}
-func DebugFatal(err error) *zerolog.Event {
-	if err != nil {
-		return Logger.Fatal().Err(err)
-	}
-
-	return Logger.Debug()
-}
-
-type StdLogger struct {
-	*zerolog.Logger
-}
-
-var Std = StdLogger{
-	Logger: &log.Logger,
-}
-
-func (std *StdLogger) InfoWarn(err error) *zerolog.Event {
-	if err != nil {
-		return Std.Logger.Warn().Err(err)
-	}
-
-	return Std.Logger.Info()
-}
-func (std *StdLogger) InfoFatal(err error) *zerolog.Event {
-	if err != nil {
-		return Std.Logger.Fatal().Err(err)
-	}
-
-	return Std.Logger.Info()
-}
-
-func (std *StdLogger) DebugWarn(err error) *zerolog.Event {
-	if err != nil {
-		return Std.Logger.Warn().Err(err)
-	}
-
-	return Std.Logger.Debug()
-}
-func (std *StdLogger) DebugError(err error) *zerolog.Event {
-	if err != nil {
-		return Std.Logger.Error().Err(err)
-	}
-
-	return Std.Logger.Debug()
-}
-func (std *StdLogger) DebugFatal(err error) *zerolog.Event {
-	if err != nil {
-		return Std.Logger.Fatal().Err(err)
-	}
-
-	return Std.Logger.Debug()
-}
diff --git a/pkg/deferlog/init.go b/pkg/deferlog/init.go
deleted file mode 100644
index 4195003..0000000
--- a/pkg/deferlog/init.go
+++ /dev/null
@@ -1,51 +0,0 @@
-package deferlog
-
-import (
-	"os"
-	"strconv"
-	"strings"
-	"time"
-
-	"github.com/rs/zerolog"
-	"github.com/rs/zerolog/log"
-	"github.com/rs/zerolog/pkgerrors"
-)
-
-var StructLogger = zerolog.New(os.Stdout).
-	With().Timestamp().Logger()
-
-var ConsoleLogger = zerolog.New(zerolog.ConsoleWriter{
-	Out:        os.Stdout,
-	TimeFormat: time.StampMilli,
-	FormatCaller: func(i interface{}) string {
-		caller := i.(string)
-		if idx := strings.Index(caller, "/pkg/mod/"); idx > 0 {
-			return caller[idx+9:]
-		}
-		if idx := strings.LastIndexByte(caller, '/'); idx > 0 {
-			return caller[idx+1:]
-		}
-		return caller
-	},
-}).With().Timestamp().Logger()
-
-func init() {
-	zerolog.ErrorStackMarshaler = func(err error) interface{} {
-		return pkgerrors.MarshalStack(err)
-	}
-
-	if ok, _ := strconv.ParseBool(os.Getenv("DEBUG")); ok {
-		SetDefaultLogger(ConsoleLogger, 1, zerolog.DebugLevel)
-
-	} else if fi, _ := os.Stdout.Stat(); (fi.Mode() & os.ModeCharDevice) == 0 {
-		SetDefaultLogger(StructLogger, 1, zerolog.InfoLevel)
-
-	} else {
-		SetDefaultLogger(ConsoleLogger, 1, zerolog.InfoLevel)
-	}
-}
-
-func SetDefaultLogger(logger zerolog.Logger, deferSkip int, logLevel zerolog.Level) {
-	log.Logger = logger.With().Caller().Logger().Level(logLevel)
-	Logger = logger.With().CallerWithSkipFrameCount(deferSkip + 2).Logger().Level(logLevel)
-}
diff --git a/router/dns.go b/router/dns.go
index 0087412..5b3a041 100644
--- a/router/dns.go
+++ b/router/dns.go
@@ -5,7 +5,7 @@ import (
 	"time"
 
 	"github.com/miekg/dns"
-	"github.com/wweir/sower/pkg/deferlog"
+	"github.com/wweir/deferlog"
 )
 
 func (r *Router) ServeDNS(w dns.ResponseWriter, req *dns.Msg) {
diff --git a/router/ping.go b/router/ping.go
index 8ef6680..65662c5 100644
--- a/router/ping.go
+++ b/router/ping.go
@@ -5,7 +5,7 @@ import (
 	"net/http"
 	"time"
 
-	"github.com/wweir/sower/pkg/deferlog"
+	"github.com/wweir/deferlog"
 )
 
 var pingClient = http.Client{
diff --git a/router/router.go b/router/router.go
index 11761fb..006ec60 100644
--- a/router/router.go
+++ b/router/router.go
@@ -9,7 +9,7 @@ import (
 	geoip2 "github.com/oschwald/geoip2-golang"
 	"github.com/pkg/errors"
 	"github.com/rs/zerolog/log"
-	"github.com/wweir/sower/pkg/deferlog"
+	"github.com/wweir/deferlog"
 	"github.com/wweir/sower/pkg/dhcp"
 	"github.com/wweir/sower/pkg/mem"
 	"github.com/wweir/sower/util"