diff --git a/config/token.go b/config/token.go
index b7fe156..357ce72 100644
--- a/config/token.go
+++ b/config/token.go
@@ -1,12 +1,15 @@
 package config
 
+import "github.com/weloe/token-go/constant"
+
 type TokenConfig struct {
 	// TokenName prefix
 	TokenStyle  string
 	TokenPrefix string
 	TokenName   string
 
-	Timeout         int64
+	Timeout int64
+	// If last operate time < ActivityTimeout, token expired
 	ActivityTimeout int64
 	// Data clean period
 	DataRefreshPeriod int64
@@ -17,6 +20,7 @@ type TokenConfig struct {
 	IsConcurrent bool
 	IsShare      bool
 	// If (IsConcurrent == true && IsShare == false), support MaxLoginCount
+	// If IsConcurrent == -1, do not need to check loginCount
 	MaxLoginCount int16
 
 	// Read token method
@@ -46,7 +50,7 @@ func DefaultTokenConfig() *TokenConfig {
 	return &TokenConfig{
 		TokenStyle:             "uuid",
 		TokenPrefix:            "",
-		TokenName:              "tokenGo",
+		TokenName:              constant.TokenName,
 		Timeout:                60 * 60 * 24 * 30,
 		ActivityTimeout:        -1,
 		DataRefreshPeriod:      30,
diff --git a/constant/constant.go b/constant/constant.go
index 50d3b9d..c1bd0c9 100644
--- a/constant/constant.go
+++ b/constant/constant.go
@@ -7,3 +7,18 @@ const (
 	SetCookie = "Set-Cookie"
 )
 
+// persist timeout constant variable
+const (
+	// NeverExpire does not expire
+	NeverExpire int64 = -1
+	// NotValueExpire does not exist
+	NotValueExpire int64 = -2
+)
+
+const (
+	TokenName = "tokenGo"
+)
+
+const (
+	BeReplaced int = -4
+)
diff --git a/ctx/go-http-context/context.go b/ctx/go-http-context/context.go
index 8e1b395..4fe045d 100644
--- a/ctx/go-http-context/context.go
+++ b/ctx/go-http-context/context.go
@@ -2,6 +2,7 @@ package go_http_context
 
 import (
 	"github.com/weloe/token-go/ctx"
+	"net/http"
 	"reflect"
 )
 
@@ -13,6 +14,14 @@ type HttpContext struct {
 	reqStorage ctx.ReqStorage
 }
 
+func NewHttpContext(req *http.Request, writer http.ResponseWriter) *HttpContext {
+	return &HttpContext{
+		req:        NewHttpRequest(req),
+		response:   NewResponse(req, writer),
+		reqStorage: NewReqStorage(req),
+	}
+}
+
 func (h *HttpContext) IsValidContext() bool {
 	return h.req != nil && !reflect.DeepEqual(h.req, &HttpRequest{})
 }
diff --git a/ctx/go-http-context/context_test.go b/ctx/go-http-context/context_test.go
index 238e664..989180c 100644
--- a/ctx/go-http-context/context_test.go
+++ b/ctx/go-http-context/context_test.go
@@ -48,7 +48,11 @@ func NewTestHttpRequest(t *testing.T) *HttpRequest {
 
 func NewTestHttpReqStore(t *testing.T) *HttpReqStorage {
 	request := NewTestRequest(t)
-	httpReqStorage := NewReqStorage(request)
+	httpReqStorage := NewReqStorage(nil)
+	if httpReqStorage != nil {
+		t.Errorf("NewReqStorage() failed: value = %v", httpReqStorage)
+	}
+	httpReqStorage = NewReqStorage(request)
 	return httpReqStorage
 }
 
@@ -441,3 +445,16 @@ func TestDeleteCookieHandler(t *testing.T) {
 func containsString(s string, substr string) bool {
 	return len(s) >= len(substr) && s[:len(substr)] == substr
 }
+
+func TestNewHttpContext(t *testing.T) {
+	context := NewHttpContext(nil, nil)
+	if context == nil {
+		t.Errorf("NewHttpContext() failed: value = %v", context)
+	}
+	request := context.Request()
+	response := context.Response()
+	storage := context.ReqStorage()
+	if request == nil || response == nil || storage == nil {
+		t.Errorf("HttpContext failed ")
+	}
+}
diff --git a/ctx/go-http-context/request-storage.go b/ctx/go-http-context/request-storage.go
index 3fa55fd..8add0c8 100644
--- a/ctx/go-http-context/request-storage.go
+++ b/ctx/go-http-context/request-storage.go
@@ -11,6 +11,9 @@ type HttpReqStorage struct {
 }
 
 func NewReqStorage(req *http.Request) *HttpReqStorage {
+	if req == nil {
+		return nil
+	}
 	return &HttpReqStorage{source: req.Context()}
 }
 
diff --git a/persist/adapter.go b/persist/adapter.go
new file mode 100644
index 0000000..6e33453
--- /dev/null
+++ b/persist/adapter.go
@@ -0,0 +1,33 @@
+package persist
+
+type Adapter interface {
+
+	// GetStr string operate string value
+	GetStr(key string) string
+	// SetStr set store value and timeout
+	SetStr(key string, value string, timeout int64) error
+	// UpdateStr only update value
+	UpdateStr(key string, value string) error
+	// DeleteStr delete string value
+	DeleteStr(key string) error
+	// GetStrTimeout get expire
+	GetStrTimeout(key string) int64
+	// UpdateStrTimeout update expire time
+	UpdateStrTimeout(key string, timeout int64) error
+
+	// Get get interface{}
+	Get(key string) interface{}
+	// Set store interface{}
+	Set(key string, value interface{}, timeout int64) error
+	// Update only update interface{} value
+	Update(key string, value interface{}) error
+	// Delete delete interface{} value
+	Delete(key string) error
+	// GetTimeout get expire
+	GetTimeout(key string) int64
+	// UpdateTimeout update timeout
+	UpdateTimeout(key string, timeout int64) error
+
+	// DeleteBatchFilteredKey delete data by keyPrefix
+	DeleteBatchFilteredKey(filterKeyPrefix string) error
+}
diff --git a/persist/default_adapter.go b/persist/default_adapter.go
new file mode 100644
index 0000000..d409add
--- /dev/null
+++ b/persist/default_adapter.go
@@ -0,0 +1,170 @@
+package persist
+
+import (
+	"errors"
+	"fmt"
+	"github.com/weloe/token-go/constant"
+	"strings"
+	"sync"
+	"time"
+)
+
+type DefaultAdapter struct {
+	dataMap   *sync.Map
+	expireMap *sync.Map
+}
+
+var _ Adapter = (*DefaultAdapter)(nil)
+
+func NewDefaultAdapter() *DefaultAdapter {
+	return &DefaultAdapter{
+		dataMap:   &sync.Map{},
+		expireMap: &sync.Map{},
+	}
+}
+
+// GetStr if key is expired delete it before get data
+func (d *DefaultAdapter) GetStr(key string) string {
+	_ = d.getExpireAndDelete(key)
+	value, _ := d.dataMap.Load(key)
+	if value == nil {
+		return ""
+	}
+	return fmt.Sprintf("%v", value)
+}
+
+func (d *DefaultAdapter) SetStr(key string, value string, timeout int64) error {
+	if timeout == 0 || timeout <= constant.NotValueExpire {
+		return errors.New("args timeout error")
+	}
+	d.dataMap.Store(key, value)
+
+	if timeout == constant.NeverExpire {
+		d.expireMap.Store(key, constant.NeverExpire)
+	} else {
+		d.expireMap.Store(key, time.Now().UnixMilli()+timeout*1000)
+	}
+	return nil
+}
+
+func (d *DefaultAdapter) UpdateStr(key string, value string) error {
+	timeout := d.GetStrTimeout(key)
+	if timeout == constant.NotValueExpire {
+		return errors.New("does not exist")
+	}
+	d.dataMap.Store(key, value)
+	return nil
+}
+
+func (d *DefaultAdapter) DeleteStr(key string) error {
+	d.dataMap.Delete(key)
+	d.expireMap.Delete(key)
+	return nil
+}
+
+func (d *DefaultAdapter) GetStrTimeout(key string) int64 {
+	return d.getTimeout(key)
+}
+
+func (d *DefaultAdapter) UpdateStrTimeout(key string, timeout int64) error {
+	if timeout == constant.NeverExpire {
+		d.expireMap.Store(key, constant.NeverExpire)
+	} else {
+		d.expireMap.Store(key, time.Now().UnixMilli()+timeout*1000)
+	}
+	return nil
+}
+
+// interface{} operation
+//
+//
+
+func (d *DefaultAdapter) Get(key string) interface{} {
+	d.getExpireAndDelete(key)
+	value, _ := d.dataMap.Load(key)
+	return value
+}
+
+func (d *DefaultAdapter) Set(key string, value interface{}, timeout int64) error {
+	if timeout == 0 || timeout <= constant.NotValueExpire {
+		return errors.New("args timeout error")
+	}
+	d.dataMap.Store(key, value)
+
+	if timeout == constant.NeverExpire {
+		d.expireMap.Store(key, constant.NeverExpire)
+	} else {
+		d.expireMap.Store(key, time.Now().UnixMilli()+timeout*1000)
+	}
+	return nil
+}
+
+func (d *DefaultAdapter) Update(key string, value interface{}) error {
+	timeout := d.GetStrTimeout(key)
+	if timeout == constant.NotValueExpire {
+		return errors.New("key does not exist")
+	}
+	d.dataMap.Store(key, value)
+	return nil
+}
+
+func (d *DefaultAdapter) GetTimeout(key string) int64 {
+	return d.getTimeout(key)
+}
+
+func (d *DefaultAdapter) UpdateTimeout(key string, timeout int64) error {
+	if timeout == constant.NeverExpire {
+		d.expireMap.Store(key, constant.NeverExpire)
+	} else {
+		d.expireMap.Store(key, time.Now().UnixMilli()+timeout*1000)
+	}
+	return nil
+}
+
+func (d *DefaultAdapter) Delete(key string) error {
+	d.dataMap.Delete(key)
+	d.expireMap.Delete(key)
+	return nil
+}
+
+func (d *DefaultAdapter) DeleteBatchFilteredKey(keyPrefix string) error {
+	d.dataMap.Range(func(key, value any) bool {
+		if strings.HasPrefix(key.(string), keyPrefix) {
+			d.dataMap.Delete(key)
+		}
+		return true
+	})
+	return nil
+}
+
+// delete key when getValue is expired
+func (d *DefaultAdapter) getExpireAndDelete(key string) int64 {
+	expirationTime, _ := d.expireMap.Load(key)
+
+	if expirationTime == nil {
+		return 0
+	}
+
+	if expirationTime.(int64) != constant.NeverExpire && expirationTime.(int64) <= time.Now().UnixMilli() {
+		d.dataMap.Delete(key)
+		d.expireMap.Delete(key)
+	}
+	return expirationTime.(int64)
+}
+
+func (d *DefaultAdapter) getTimeout(key string) int64 {
+	expirationTime := d.getExpireAndDelete(key)
+	if expirationTime == 0 {
+		return constant.NotValueExpire
+	}
+	if expirationTime == constant.NeverExpire {
+		return constant.NeverExpire
+	}
+	timeout := (expirationTime - time.Now().UnixMilli()) / 1000
+	if timeout <= 0 {
+		d.dataMap.Delete(key)
+		d.expireMap.Delete(key)
+		return constant.NotValueExpire
+	}
+	return timeout
+}
diff --git a/persist/default_adapter_test.go b/persist/default_adapter_test.go
new file mode 100644
index 0000000..b0f1558
--- /dev/null
+++ b/persist/default_adapter_test.go
@@ -0,0 +1,201 @@
+package persist
+
+import (
+	"testing"
+	"time"
+)
+
+func NewTestDefaultAdapter() Adapter {
+	return NewDefaultAdapter()
+}
+
+func TestDefaultAdapter_StrOperation(t *testing.T) {
+	defaultAdapter := NewTestDefaultAdapter()
+
+	if err := defaultAdapter.SetStr("k1", "v1", 0); err == nil {
+		t.Errorf("SetStr() failed: set timeout = 0")
+	}
+
+	if err := defaultAdapter.SetStr("k1", "v1", -2); err == nil {
+		t.Errorf("SetStr() failed: set timeout = -2")
+	}
+
+	if err := defaultAdapter.SetStr("k2", "v2", -1); err != nil {
+		t.Errorf("SetStr() failed: can't set data")
+	}
+	if v := defaultAdapter.GetStr("k2"); v != "v2" {
+		t.Errorf("GetStr() failed: value is %s, want 'v2' ", v)
+	}
+	if v := defaultAdapter.GetStrTimeout("k2"); v != -1 {
+		t.Errorf("GetStrTimeout() failed: timeout is %v,want -1 ", v)
+	}
+	if v := defaultAdapter.GetStrTimeout("k3"); v != -2 {
+		t.Errorf("GetStrTimeout() failed: timeout is %v,want -2 ", v)
+	}
+
+	if err := defaultAdapter.SetStr("k1", "v1", 1); err != nil {
+		t.Errorf("SetStr() failed: can't set data")
+	}
+	time.Sleep(1 * time.Second)
+	if v := defaultAdapter.Get("k1"); v != nil {
+		t.Errorf("getExpireAndDelete() faliled: get expired value")
+	}
+
+	err1 := defaultAdapter.SetStr("k", "v", 9)
+	if err1 != nil {
+		t.Errorf("SetStr() failed: %v", err1)
+	}
+	time.Sleep(1 * time.Millisecond)
+	timeout := defaultAdapter.GetStrTimeout("k")
+	t.Logf("get timeout = %v", timeout)
+	if timeout > 8 {
+		t.Errorf("GetStrTimeout(） failed: %v", timeout)
+	}
+
+	if err := defaultAdapter.UpdateStrTimeout("k", -1); err != nil {
+		t.Errorf("UpdateStrTimeout() failed: %v", err)
+	}
+
+	err2 := defaultAdapter.UpdateStrTimeout("k", 9)
+	if err2 != nil {
+		t.Errorf("UpdateStrTimeout() failed: %v", err2)
+	}
+
+	timeout = defaultAdapter.GetStrTimeout("k")
+	t.Logf("get timeout = %v", timeout)
+
+	getRes := defaultAdapter.GetStr("k")
+	if getRes != "v" {
+		t.Errorf("GetStr() failed: %v", getRes)
+	}
+
+	err3 := defaultAdapter.UpdateStr("k", "L")
+	if err3 != nil {
+		t.Errorf("UpdateStr() failed: %v", err3)
+	}
+
+	getRes = defaultAdapter.GetStr("k")
+	if getRes != "L" {
+		t.Errorf("GetStr() failed: GetStr() =  %v want 'L' ", getRes)
+	}
+
+	err4 := defaultAdapter.DeleteStr("k")
+	if err4 != nil {
+		t.Errorf("DeleteStr() failed: %v", err4)
+	}
+	err5 := defaultAdapter.UpdateStr("k", "L")
+	if err5 == nil {
+		t.Errorf("UpdateStr() failed: update not exist data")
+	}
+
+	getRes = defaultAdapter.GetStr("k")
+	if getRes != "" {
+		t.Errorf("GetStr() failed: %v", getRes)
+	}
+}
+
+func TestDefaultAdapter_InterfaceOperation(t *testing.T) {
+	defaultAdapter := NewTestDefaultAdapter()
+	if err := defaultAdapter.Set("k1", "v1", 0); err == nil {
+		t.Errorf("Set() failed: set timeout = 0")
+	}
+
+	if err := defaultAdapter.Set("k1", "v1", -2); err == nil {
+		t.Errorf("Set() failed: set timeout = -2")
+	}
+
+	if err := defaultAdapter.Set("k2", "v2", -1); err != nil {
+		t.Errorf("Set() failed: can't set data")
+	}
+	if v := defaultAdapter.Get("k2"); v.(string) != "v2" {
+		t.Errorf("Get() failed: value is %s, want 'v2' ", v.(string))
+	}
+	if v := defaultAdapter.GetTimeout("k2"); v != -1 {
+		t.Errorf("GetTimeout() failed: timeout is %v,want -1 ", v)
+	}
+	if v := defaultAdapter.GetTimeout("k3"); v != -2 {
+		t.Errorf("GetTimeout() failed: timeout is %v,want -2 ", v)
+	}
+
+	if err := defaultAdapter.Set("k1", "v1", 1); err != nil {
+		t.Errorf("Set() failed: can't set data")
+	}
+	time.Sleep(1 * time.Second)
+	if v := defaultAdapter.Get("k1"); v != nil {
+		t.Errorf("getExpireAndDelete() faliled: get expired value")
+	}
+
+	err1 := defaultAdapter.Set("k", "v", 9)
+	if err1 != nil {
+		t.Errorf("Set() failed: %v", err1)
+	}
+	time.Sleep(1 * time.Millisecond)
+
+	timeout := defaultAdapter.GetTimeout("k")
+	t.Logf("get timeout = %v", timeout)
+	if timeout > 8 {
+		t.Errorf("GetTimeout() failed: %v", timeout)
+	}
+
+	if err := defaultAdapter.UpdateTimeout("k", -1); err != nil {
+		t.Errorf("UpdateTimeout() failed: %v", err)
+	}
+	err2 := defaultAdapter.UpdateTimeout("k", 9)
+	if err2 != nil {
+		t.Errorf("UpdateTimeout() failed: %v", err2)
+	}
+
+	timeout = defaultAdapter.GetTimeout("k")
+	t.Logf("get timeout =  %v", timeout)
+
+	getRes := defaultAdapter.Get("k")
+	if getRes.(string) != "v" {
+		t.Errorf("Get() failed: Get() = %v, want 'v' ", getRes.(string))
+	}
+
+	err3 := defaultAdapter.Update("k", "L")
+	if err3 != nil {
+		t.Errorf("Update() failed: %v", err3)
+	}
+
+	getRes = defaultAdapter.Get("k")
+	if getRes.(string) != "L" {
+		t.Errorf("Get() failed: Get() = %v want 'L' ", getRes.(string))
+	}
+
+	err4 := defaultAdapter.Delete("k")
+	if err4 != nil {
+		t.Errorf("Delete() failed: %v", err4)
+	}
+	err5 := defaultAdapter.Update("k", "L")
+	if err5 == nil {
+		t.Errorf("Update() failed: update not exist data")
+	}
+
+	getRes = defaultAdapter.Get("k")
+	if getRes != nil {
+		t.Errorf("Get() failed: %v s", getRes)
+	}
+
+}
+
+func TestDefaultAdapter_DeleteBatchFilteredValue(t *testing.T) {
+	adapter := NewTestDefaultAdapter()
+	if err := adapter.SetStr("k_1", "v", -1); err != nil {
+		t.Errorf("SetStr() failed: %v", err)
+	}
+	if err := adapter.SetStr("k_2", "v", -1); err != nil {
+		t.Errorf("SetStr() failed: %v", err)
+	}
+	if err := adapter.SetStr("k_3", "v", -1); err != nil {
+		t.Errorf("SetStr() failed: %v", err)
+	}
+	err := adapter.DeleteBatchFilteredKey("k_")
+	if err != nil {
+		t.Errorf("DeleteBatchFilteredKey() failed: %v", err)
+	}
+	str := adapter.GetStr("k_2")
+	if str != "" {
+		t.Errorf("DeleteBatchFilteredKey() failed")
+	}
+}