diff --git a/internal/net/gphttp/accesslog/access_logger_test.go b/internal/net/gphttp/accesslog/access_logger_test.go
index cb8f468..fabd41a 100644
--- a/internal/net/gphttp/accesslog/access_logger_test.go
+++ b/internal/net/gphttp/accesslog/access_logger_test.go
@@ -10,6 +10,7 @@ import (
 
 	. "github.com/yusing/go-proxy/internal/net/gphttp/accesslog"
 	"github.com/yusing/go-proxy/internal/task"
+	"github.com/yusing/go-proxy/internal/utils"
 	expect "github.com/yusing/go-proxy/internal/utils/testing"
 )
 
@@ -56,7 +57,7 @@ func fmtLog(cfg *Config) (ts string, line string) {
 
 	t := time.Now()
 	logger := NewMockAccessLogger(testTask, cfg)
-	MockTimeNow(t)
+	utils.MockTimeNow(t)
 	buf = logger.AppendLog(buf, req, resp)
 	return t.Format(LogTimeFormat), string(buf)
 }
diff --git a/internal/net/gphttp/accesslog/formatter.go b/internal/net/gphttp/accesslog/formatter.go
index 33e5c5b..4d95b91 100644
--- a/internal/net/gphttp/accesslog/formatter.go
+++ b/internal/net/gphttp/accesslog/formatter.go
@@ -8,6 +8,7 @@ import (
 	"strconv"
 
 	"github.com/rs/zerolog"
+	"github.com/yusing/go-proxy/internal/utils"
 )
 
 type (
@@ -64,7 +65,7 @@ func (f *CommonFormatter) AppendLog(line []byte, req *http.Request, res *http.Re
 	line = append(line, clientIP(req)...)
 	line = append(line, " - - ["...)
 
-	line = TimeNow().AppendFormat(line, LogTimeFormat)
+	line = utils.TimeNow().AppendFormat(line, LogTimeFormat)
 	line = append(line, `] "`...)
 
 	line = append(line, req.Method...)
@@ -126,7 +127,7 @@ func (f *JSONFormatter) AppendLog(line []byte, req *http.Request, res *http.Resp
 	writer := bytes.NewBuffer(line)
 	logger := zerolog.New(writer).With().Logger()
 	event := logger.Info().
-		Str("time", TimeNow().Format(LogTimeFormat)).
+		Str("time", utils.TimeNow().Format(LogTimeFormat)).
 		Str("ip", clientIP(req)).
 		Str("method", req.Method).
 		Str("scheme", scheme(req)).
diff --git a/internal/net/gphttp/accesslog/rotate.go b/internal/net/gphttp/accesslog/rotate.go
index 4578aaf..469038f 100644
--- a/internal/net/gphttp/accesslog/rotate.go
+++ b/internal/net/gphttp/accesslog/rotate.go
@@ -6,6 +6,7 @@ import (
 	"time"
 
 	"github.com/rs/zerolog"
+	"github.com/yusing/go-proxy/internal/utils"
 	"github.com/yusing/go-proxy/internal/utils/strutils"
 	"github.com/yusing/go-proxy/internal/utils/synk"
 )
@@ -63,13 +64,13 @@ func rotateLogFile(file supportRotate, config *Retention) (result *RotateResult,
 	}
 
 	var shouldStop func() bool
-	t := TimeNow()
+	t := utils.TimeNow()
 
 	if config.Last > 0 {
 		shouldStop = func() bool { return result.NumLinesKeep-result.NumLinesInvalid == int(config.Last) }
 		// not needed to parse time for last N lines
 	} else if config.Days > 0 {
-		cutoff := TimeNow().AddDate(0, 0, -int(config.Days)+1)
+		cutoff := utils.TimeNow().AddDate(0, 0, -int(config.Days)+1)
 		shouldStop = func() bool { return t.Before(cutoff) }
 	} else {
 		return nil, nil // should not happen
diff --git a/internal/net/gphttp/accesslog/rotate_test.go b/internal/net/gphttp/accesslog/rotate_test.go
index 5b96310..a770331 100644
--- a/internal/net/gphttp/accesslog/rotate_test.go
+++ b/internal/net/gphttp/accesslog/rotate_test.go
@@ -8,6 +8,7 @@ import (
 
 	. "github.com/yusing/go-proxy/internal/net/gphttp/accesslog"
 	"github.com/yusing/go-proxy/internal/task"
+	"github.com/yusing/go-proxy/internal/utils"
 	"github.com/yusing/go-proxy/internal/utils/strutils"
 	expect "github.com/yusing/go-proxy/internal/utils/testing"
 )
@@ -55,7 +56,7 @@ func TestRotateKeepLast(t *testing.T) {
 	for _, format := range AvailableFormats {
 		t.Run(string(format)+" keep last", func(t *testing.T) {
 			file := NewMockFile()
-			MockTimeNow(testTime)
+			utils.MockTimeNow(testTime)
 			logger := NewAccessLoggerWithIO(task.RootTask("test", false), file, &Config{
 				Format: format,
 			})
@@ -90,7 +91,7 @@ func TestRotateKeepLast(t *testing.T) {
 			expect.Nil(t, logger.Config().Retention)
 			nLines := 10
 			for i := range nLines {
-				MockTimeNow(testTime.AddDate(0, 0, -nLines+i+1))
+				utils.MockTimeNow(testTime.AddDate(0, 0, -nLines+i+1))
 				logger.Log(req, resp)
 			}
 			logger.Flush()
@@ -102,7 +103,7 @@ func TestRotateKeepLast(t *testing.T) {
 			expect.Equal(t, retention.KeepSize, 0)
 			logger.Config().Retention = retention
 
-			MockTimeNow(testTime)
+			utils.MockTimeNow(testTime)
 			result, err := logger.Rotate()
 			expect.NoError(t, err)
 			expect.Equal(t, file.NumLines(), int(retention.Days))
@@ -135,7 +136,7 @@ func TestRotateKeepFileSize(t *testing.T) {
 			expect.Nil(t, logger.Config().Retention)
 			nLines := 10
 			for i := range nLines {
-				MockTimeNow(testTime.AddDate(0, 0, -nLines+i+1))
+				utils.MockTimeNow(testTime.AddDate(0, 0, -nLines+i+1))
 				logger.Log(req, resp)
 			}
 			logger.Flush()
@@ -147,7 +148,7 @@ func TestRotateKeepFileSize(t *testing.T) {
 			expect.Equal(t, retention.Last, 0)
 			logger.Config().Retention = retention
 
-			MockTimeNow(testTime)
+			utils.MockTimeNow(testTime)
 			result, err := logger.Rotate()
 			expect.NoError(t, err)
 
@@ -165,7 +166,7 @@ func TestRotateKeepFileSize(t *testing.T) {
 		expect.Nil(t, logger.Config().Retention)
 		nLines := 100
 		for i := range nLines {
-			MockTimeNow(testTime.AddDate(0, 0, -nLines+i+1))
+			utils.MockTimeNow(testTime.AddDate(0, 0, -nLines+i+1))
 			logger.Log(req, resp)
 		}
 		logger.Flush()
@@ -177,7 +178,7 @@ func TestRotateKeepFileSize(t *testing.T) {
 		expect.Equal(t, retention.Last, 0)
 		logger.Config().Retention = retention
 
-		MockTimeNow(testTime)
+		utils.MockTimeNow(testTime)
 		result, err := logger.Rotate()
 		expect.NoError(t, err)
 		expect.Equal(t, result.NumBytesKeep, int64(retention.KeepSize))
@@ -197,7 +198,7 @@ func TestRotateSkipInvalidTime(t *testing.T) {
 			expect.Nil(t, logger.Config().Retention)
 			nLines := 10
 			for i := range nLines {
-				MockTimeNow(testTime.AddDate(0, 0, -nLines+i+1))
+				utils.MockTimeNow(testTime.AddDate(0, 0, -nLines+i+1))
 				logger.Log(req, resp)
 				logger.Flush()
 
@@ -236,7 +237,7 @@ func BenchmarkRotate(b *testing.B) {
 				Retention: retention,
 			})
 			for i := range 100 {
-				MockTimeNow(testTime.AddDate(0, 0, -100+i+1))
+				utils.MockTimeNow(testTime.AddDate(0, 0, -100+i+1))
 				logger.Log(req, resp)
 			}
 			logger.Flush()
@@ -267,7 +268,7 @@ func BenchmarkRotateWithInvalidTime(b *testing.B) {
 				Retention: retention,
 			})
 			for i := range 10000 {
-				MockTimeNow(testTime.AddDate(0, 0, -10000+i+1))
+				utils.MockTimeNow(testTime.AddDate(0, 0, -10000+i+1))
 				logger.Log(req, resp)
 				if i%10 == 0 {
 					_, _ = file.Write([]byte("invalid time\n"))
diff --git a/internal/net/gphttp/accesslog/time_now.go b/internal/utils/time_now.go
similarity index 98%
rename from internal/net/gphttp/accesslog/time_now.go
rename to internal/utils/time_now.go
index 554c4c8..8b5e155 100644
--- a/internal/net/gphttp/accesslog/time_now.go
+++ b/internal/utils/time_now.go
@@ -1,4 +1,4 @@
-package accesslog
+package utils
 
 import (
 	"time"
diff --git a/internal/net/gphttp/accesslog/time_now_test.go b/internal/utils/time_now_test.go
similarity index 99%
rename from internal/net/gphttp/accesslog/time_now_test.go
rename to internal/utils/time_now_test.go
index ccc7eb8..f2ddf54 100644
--- a/internal/net/gphttp/accesslog/time_now_test.go
+++ b/internal/utils/time_now_test.go
@@ -1,4 +1,4 @@
-package accesslog
+package utils
 
 import (
 	"testing"