diff --git a/internal/utils/sync/map_int.go b/internal/utils/sync/map_int.go
new file mode 100644
index 0000000..f89ae8d
--- /dev/null
+++ b/internal/utils/sync/map_int.go
@@ -0,0 +1,136 @@
+// Copyright 2023 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package syncutils
+
+import (
+	"runtime"
+	"sync"
+)
+
+type KType interface {
+	int | int16 | int32 | int64 | uint | uint16 | uint32 | uint64 | uintptr
+}
+
+type VType interface {
+	any
+}
+
+type IntMap[K KType, V VType] struct {
+	count   int
+	m       []map[K]V
+	lockers []*sync.RWMutex
+}
+
+func NewIntMap[K KType, V VType]() *IntMap[K, V] {
+	var count = runtime.NumCPU() * 8
+	if count <= 0 {
+		count = 32
+	}
+
+	var m = []map[K]V{}
+	var lockers = []*sync.RWMutex{}
+	for i := 0; i < count; i++ {
+		m = append(m, map[K]V{})
+		lockers = append(lockers, &sync.RWMutex{})
+	}
+
+	return &IntMap[K, V]{
+		count:   count,
+		m:       m,
+		lockers: lockers,
+	}
+}
+
+func (this *IntMap[K, V]) Put(k K, v V) {
+	var index = this.index(k)
+	this.lockers[index].Lock()
+	this.m[index][k] = v
+	this.lockers[index].Unlock()
+}
+
+func (this *IntMap[K, V]) PutCompact(k K, v V, compactFunc func(oldV V, newV V) V) {
+	var index = this.index(k)
+	this.lockers[index].Lock()
+	// 再次检查是否已经存在，如果已经存在则合并
+	oldV, ok := this.m[index][k]
+	if ok {
+		this.m[index][k] = compactFunc(oldV, v)
+	} else {
+		this.m[index][k] = v
+	}
+	this.lockers[index].Unlock()
+}
+
+func (this *IntMap[K, V]) Has(k K) bool {
+	var index = this.index(k)
+	this.lockers[index].RLock()
+	_, ok := this.m[index][k]
+	this.lockers[index].RUnlock()
+	return ok
+}
+
+func (this *IntMap[K, V]) Get(k K) (value V) {
+	var index = this.index(k)
+	this.lockers[index].RLock()
+	value, _ = this.m[index][k]
+	this.lockers[index].RUnlock()
+	return
+}
+
+func (this *IntMap[K, V]) GetOk(k K) (value V, ok bool) {
+	var index = this.index(k)
+	this.lockers[index].RLock()
+	value, ok = this.m[index][k]
+	this.lockers[index].RUnlock()
+	return
+}
+
+func (this *IntMap[K, V]) Delete(k K) {
+	var index = this.index(k)
+	this.lockers[index].Lock()
+	delete(this.m[index], k)
+	this.lockers[index].Unlock()
+}
+
+func (this *IntMap[K, V]) DeleteUnsafe(k K) {
+	var index = this.index(k)
+	delete(this.m[index], k)
+}
+
+func (this *IntMap[K, V]) Len() int {
+	var l int
+	for i := 0; i < this.count; i++ {
+		this.lockers[i].RLock()
+		l += len(this.m[i])
+		this.lockers[i].RUnlock()
+	}
+	return l
+}
+
+func (this *IntMap[K, V]) ForEachRead(iterator func(k K, v V)) {
+	for i := 0; i < this.count; i++ {
+		this.lockers[i].RLock()
+		for k, v := range this.m[i] {
+			iterator(k, v)
+		}
+		this.lockers[i].RUnlock()
+	}
+}
+
+func (this *IntMap[K, V]) ForEachWrite(iterator func(k K, v V)) {
+	for i := 0; i < this.count; i++ {
+		this.lockers[i].Lock()
+		for k, v := range this.m[i] {
+			iterator(k, v)
+		}
+		this.lockers[i].Unlock()
+	}
+}
+
+func (this *IntMap[K, V]) index(k K) int {
+	var index = int(k % K(this.count))
+	if index < 0 {
+		index = -index
+	}
+	return index
+}
diff --git a/internal/utils/sync/map_int_test.go b/internal/utils/sync/map_int_test.go
new file mode 100644
index 0000000..a0b97f6
--- /dev/null
+++ b/internal/utils/sync/map_int_test.go
@@ -0,0 +1,125 @@
+// Copyright 2023 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package syncutils_test
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/stats"
+	syncutils "github.com/TeaOSLab/EdgeNode/internal/utils/sync"
+	"github.com/iwind/TeaGo/assert"
+	"github.com/iwind/TeaGo/types"
+	"sync"
+	"testing"
+)
+
+func TestIntMap(t *testing.T) {
+	var a = assert.NewAssertion(t)
+
+	var m = syncutils.NewIntMap[int, string]()
+	m.Put(1, "1")
+	a.IsTrue(m.Has(1))
+	a.IsFalse(m.Has(2))
+	m.Put(-1, "-1")
+	t.Log(m.Get(-1))
+	t.Log(m.Len(), "values")
+	{
+		a.IsTrue(m.Has(-1))
+		m.Delete(-1)
+		a.IsFalse(m.Has(-1))
+	}
+	t.Log(m.Len(), "values")
+}
+
+func TestInt64Map(t *testing.T) {
+	var a = assert.NewAssertion(t)
+
+	var m = syncutils.NewIntMap[int64, string]()
+	m.Put(1, "1")
+	a.IsTrue(m.Has(1))
+	a.IsFalse(m.Has(2))
+	m.Put(-1, "-1")
+	t.Log(m.Get(-1))
+	t.Log(m.Len(), "values")
+	{
+		a.IsTrue(m.Has(-1))
+		m.Delete(-1)
+		a.IsFalse(m.Has(-1))
+	}
+	m.Put(1024000000, "large int")
+	t.Log(m.Get(1024000000))
+	t.Log(m.Len(), "values")
+}
+
+func TestIntMap_PutCompact(t *testing.T) {
+	var a = assert.NewAssertion(t)
+
+	var m = syncutils.NewIntMap[int, string]()
+	m.Put(1, "a")
+	m.Put(1, "b")
+	a.IsTrue(m.Get(1) == "b")
+
+	m.PutCompact(1, "c", func(oldV string, newV string) string {
+		return oldV + newV
+	})
+
+	a.IsTrue(m.Get(1) == "bc")
+}
+
+func TestIntMap_ForEachRead(t *testing.T) {
+	var m = syncutils.NewIntMap[int, string]()
+	for i := 0; i < 100; i++ {
+		m.Put(i, "v"+types.String(i))
+	}
+
+	t.Log(m.Len())
+
+	m.ForEachRead(func(k int, v string) {
+		t.Log(k, v)
+	})
+}
+
+func TestIntMap_ForEachWrite(t *testing.T) {
+	var m = syncutils.NewIntMap[int, string]()
+	for i := 0; i < 100; i++ {
+		m.Put(i, "v"+types.String(i))
+	}
+
+	t.Log(m.Len())
+
+	m.ForEachRead(func(k int, v string) {
+		t.Log(k, v)
+		m.DeleteUnsafe(k)
+	})
+	t.Log(m.Len(), "elements left")
+}
+
+func BenchmarkNewIntMap(b *testing.B) {
+	var m = syncutils.NewIntMap[int, *stats.BandwidthStat]()
+
+	b.RunParallel(func(pb *testing.PB) {
+		var i int
+		for pb.Next() {
+			i++
+			m.Put(i, &stats.BandwidthStat{ServerId: 100})
+			_ = m.Get(i + 100)
+		}
+	})
+}
+
+func BenchmarkNewIntMap2(b *testing.B) {
+	var m = map[int]*stats.BandwidthStat{}
+	var locker = sync.RWMutex{}
+
+	b.RunParallel(func(pb *testing.PB) {
+		var i int
+		for pb.Next() {
+			i++
+			locker.Lock()
+			m[i] = &stats.BandwidthStat{ServerId: 100}
+			locker.Unlock()
+
+			locker.RLock()
+			_ = m[i+100]
+			locker.RUnlock()
+		}
+	})
+}
diff --git a/internal/utils/sync/rw_mutex.go b/internal/utils/sync/rw_mutex.go
new file mode 100644
index 0000000..b4bee82
--- /dev/null
+++ b/internal/utils/sync/rw_mutex.go
@@ -0,0 +1,52 @@
+// Copyright 2023 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package syncutils
+
+import (
+	"sync"
+)
+
+type RWMutex struct {
+	lockers      []*sync.RWMutex
+	countLockers int
+}
+
+func NewRWMutex(count int) *RWMutex {
+	if count <= 0 {
+		count = 1
+	}
+
+	var lockers = []*sync.RWMutex{}
+	for i := 0; i < count; i++ {
+		lockers = append(lockers, &sync.RWMutex{})
+	}
+
+	return &RWMutex{
+		lockers:      lockers,
+		countLockers: len(lockers),
+	}
+}
+
+func (this *RWMutex) Lock(index int) {
+	this.lockers[index%this.countLockers].Lock()
+}
+
+func (this *RWMutex) Unlock(index int) {
+	this.lockers[index%this.countLockers].Unlock()
+}
+
+func (this *RWMutex) RLock(index int) {
+	this.lockers[index%this.countLockers].RLock()
+}
+
+func (this *RWMutex) RUnlock(index int) {
+	this.lockers[index%this.countLockers].RUnlock()
+}
+
+func (this *RWMutex) TryLock(index int) bool {
+	return this.lockers[index%this.countLockers].TryLock()
+}
+
+func (this *RWMutex) TryRLock(index int) bool {
+	return this.lockers[index%this.countLockers].TryRLock()
+}
diff --git a/internal/utils/sync/rw_mutex_test.go b/internal/utils/sync/rw_mutex_test.go
new file mode 100644
index 0000000..092d2b6
--- /dev/null
+++ b/internal/utils/sync/rw_mutex_test.go
@@ -0,0 +1,47 @@
+// Copyright 2023 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package syncutils_test
+
+import (
+	syncutils "github.com/TeaOSLab/EdgeNode/internal/utils/sync"
+	"runtime"
+	"sync"
+	"testing"
+	"time"
+)
+
+func TestNewRWMutex(t *testing.T) {
+	var locker = syncutils.NewRWMutex(runtime.NumCPU())
+	locker.Lock(1)
+	t.Log(locker.TryLock(1))
+	locker.Unlock(1)
+	t.Log(locker.TryLock(1))
+}
+
+func BenchmarkRWMutex_Lock(b *testing.B) {
+	var locker = syncutils.NewRWMutex(runtime.NumCPU())
+
+	b.RunParallel(func(pb *testing.PB) {
+		var i = 0
+		for pb.Next() {
+			i++
+			locker.Lock(i)
+			time.Sleep(1 * time.Millisecond)
+			locker.Unlock(i)
+		}
+	})
+}
+
+func BenchmarkRWMutex_Lock2(b *testing.B) {
+	var locker = &sync.Mutex{}
+
+	b.RunParallel(func(pb *testing.PB) {
+		var i = 0
+		for pb.Next() {
+			i++
+			locker.Lock()
+			time.Sleep(1 * time.Millisecond)
+			locker.Unlock()
+		}
+	})
+}