diff --git a/cli/cli.go b/cli/cli.go
index db3f024..0321852 100644
--- a/cli/cli.go
+++ b/cli/cli.go
@@ -4,7 +4,7 @@ import (
 	"flag"
 
 	Mirrors "github.com/soulteary/apt-proxy/internal/mirrors"
-	"github.com/soulteary/apt-proxy/state"
+	State "github.com/soulteary/apt-proxy/internal/state"
 )
 
 const (
@@ -52,9 +52,9 @@ func ParseFlags() (appFlags AppFlags) {
 	appFlags.Listen = host + ":" + port
 	appFlags.Version = Version
 
-	state.SetProxyMode(mode)
-	state.SetDebianMirror(appFlags.Debian)
-	state.SetUbuntuMirror(appFlags.Ubuntu)
+	State.SetProxyMode(mode)
+	State.SetDebianMirror(appFlags.Debian)
+	State.SetUbuntuMirror(appFlags.Ubuntu)
 
 	return appFlags
 }
diff --git a/internal/rewriter/rewriter.go b/internal/rewriter/rewriter.go
index 70d6682..c80ea47 100644
--- a/internal/rewriter/rewriter.go
+++ b/internal/rewriter/rewriter.go
@@ -8,7 +8,7 @@ import (
 
 	Benchmark "github.com/soulteary/apt-proxy/internal/benchmark"
 	Mirrors "github.com/soulteary/apt-proxy/internal/mirrors"
-	"github.com/soulteary/apt-proxy/state"
+	State "github.com/soulteary/apt-proxy/internal/state"
 )
 
 type URLRewriters struct {
@@ -36,7 +36,7 @@ func GetRewriteRulesByMode(mode int) (rules []Mirrors.Rule) {
 
 func getRewriterForDebian() *URLRewriter {
 	u := &URLRewriter{}
-	debianMirror := state.GetDebianMirror()
+	debianMirror := State.GetDebianMirror()
 	benchmarkUrl, pattern := Mirrors.GetPredefinedConfiguration(Mirrors.TYPE_LINUX_DISTROS_DEBIAN)
 	u.pattern = pattern
 
@@ -62,7 +62,7 @@ func getRewriterForDebian() *URLRewriter {
 
 func getRewriterForUbuntu() *URLRewriter {
 	u := &URLRewriter{}
-	ubuntuMirror := state.GetUbuntuMirror()
+	ubuntuMirror := State.GetUbuntuMirror()
 	benchmarkUrl, pattern := Mirrors.GetPredefinedConfiguration(Mirrors.TYPE_LINUX_DISTROS_UBUNTU)
 	u.pattern = pattern
 
diff --git a/internal/rewriter/rewriter_test.go b/internal/rewriter/rewriter_test.go
index ffd6803..92cf2e8 100644
--- a/internal/rewriter/rewriter_test.go
+++ b/internal/rewriter/rewriter_test.go
@@ -7,7 +7,7 @@ import (
 
 	Benchmark "github.com/soulteary/apt-proxy/internal/benchmark"
 	Mirrors "github.com/soulteary/apt-proxy/internal/mirrors"
-	"github.com/soulteary/apt-proxy/state"
+	State "github.com/soulteary/apt-proxy/internal/state"
 )
 
 func TestGetRewriteRulesByMode(t *testing.T) {
@@ -81,7 +81,7 @@ func TestCreateNewRewritersForAll(t *testing.T) {
 }
 
 func TestCreateNewRewritersWithSpecifyMirror(t *testing.T) {
-	state.SetUbuntuMirror("https://mirrors.tuna.tsinghua.edu.cn/ubuntu/")
+	State.SetUbuntuMirror("https://mirrors.tuna.tsinghua.edu.cn/ubuntu/")
 
 	ap := *CreateNewRewriters(Mirrors.TYPE_LINUX_DISTROS_UBUNTU)
 	if ap.ubuntu.mirror.Host != "mirrors.tuna.tsinghua.edu.cn" {
@@ -92,7 +92,7 @@ func TestCreateNewRewritersWithSpecifyMirror(t *testing.T) {
 		t.Fatal("mirror path incorrect")
 	}
 
-	state.ResetUbuntuMirror()
+	State.ResetUbuntuMirror()
 }
 
 func TestMatchingRule(t *testing.T) {
diff --git a/internal/server/proxy.go b/internal/server/proxy.go
index d3a2642..1a3d902 100644
--- a/internal/server/proxy.go
+++ b/internal/server/proxy.go
@@ -8,7 +8,7 @@ import (
 
 	Mirrors "github.com/soulteary/apt-proxy/internal/mirrors"
 	Rewriter "github.com/soulteary/apt-proxy/internal/rewriter"
-	"github.com/soulteary/apt-proxy/state"
+	State "github.com/soulteary/apt-proxy/internal/state"
 )
 
 var rewriter *Rewriter.URLRewriters
@@ -25,7 +25,7 @@ type AptProxy struct {
 }
 
 func CreateAptProxyRouter() *AptProxy {
-	mode := state.GetProxyMode()
+	mode := State.GetProxyMode()
 	rewriter = Rewriter.CreateNewRewriters(mode)
 
 	return &AptProxy{
diff --git a/state/state.go b/internal/state/state.go
similarity index 100%
rename from state/state.go
rename to internal/state/state.go
diff --git a/state/state_test.go b/internal/state/state_test.go
similarity index 100%
rename from state/state_test.go
rename to internal/state/state_test.go