diff --git a/pkg/iplibrary/default_ip_library.go b/pkg/iplibrary/default_ip_library.go
index 02d1ce5..27f4131 100644
--- a/pkg/iplibrary/default_ip_library.go
+++ b/pkg/iplibrary/default_ip_library.go
@@ -6,9 +6,7 @@ import (
 	"bytes"
 	"compress/gzip"
 	_ "embed"
-	"github.com/iwind/TeaGo/logs"
 	"net"
-	"os"
 )
 
 //go:embed internal-ip-library.db
@@ -16,16 +14,8 @@ var ipLibraryData []byte
 
 var library = NewIPLibrary()
 
-func init() {
-	var args = os.Args
-	if len(args) > 1 && args[1] == "daemon" {
-		return
-	}
-
-	err := library.Init()
-	if err != nil {
-		logs.Println("IP_LIBRARY", "initialized failed: "+err.Error())
-	}
+func Init() error {
+	return library.Init()
 }
 
 func Lookup(ip net.IP) *QueryResult {
@@ -45,6 +35,9 @@ func NewIPLibrary() *IPLibrary {
 }
 
 func (this *IPLibrary) Init() error {
+	if len(ipLibraryData) == 0 || this.reader != nil {
+		return nil
+	}
 	var reader = bytes.NewReader(ipLibraryData)
 	gzipReader, err := gzip.NewReader(reader)
 	if err != nil {
@@ -59,6 +52,7 @@ func (this *IPLibrary) Init() error {
 		return err
 	}
 	this.reader = libReader
+
 	return nil
 }
 
diff --git a/pkg/iplibrary/default_ip_library_test.go b/pkg/iplibrary/default_ip_library_test.go
index a90dcfd..ad21559 100644
--- a/pkg/iplibrary/default_ip_library_test.go
+++ b/pkg/iplibrary/default_ip_library_test.go
@@ -3,17 +3,37 @@
 package iplibrary_test
 
 import (
+	"fmt"
 	"github.com/TeaOSLab/EdgeCommon/pkg/iplibrary"
 	"net"
+	"runtime"
+	"runtime/debug"
 	"testing"
+	"time"
 )
 
 func TestIPLibrary_Lookup(t *testing.T) {
+	var stat1 = &runtime.MemStats{}
+	runtime.ReadMemStats(stat1)
+
 	var lib = iplibrary.NewIPLibrary()
+
+	var before = time.Now()
+
 	err := lib.Init()
 	if err != nil {
 		t.Fatal(err)
 	}
+
+	var costMs = time.Since(before).Seconds() * 1000
+	runtime.GC()
+	debug.FreeOSMemory()
+
+	var stat2 = &runtime.MemStats{}
+	runtime.ReadMemStats(stat2)
+
+	t.Log((stat2.Alloc-stat1.Alloc)/1024/1024, "M", fmt.Sprintf("%.2f", costMs), "ms")
+
 	for _, ip := range []string{
 		"127.0.0.1",
 		"8.8.8.8",
diff --git a/pkg/iplibrary/ip_item.go b/pkg/iplibrary/ip_item.go
index 9aa999d..9b54933 100644
--- a/pkg/iplibrary/ip_item.go
+++ b/pkg/iplibrary/ip_item.go
@@ -2,12 +2,26 @@
 
 package iplibrary
 
+import (
+	"bytes"
+	"encoding/binary"
+)
+
 type ipItem struct {
-	ipFrom     uint64
-	ipTo       uint64
-	countryId  int64
-	provinceId int64
-	cityId     int64
-	townId     int64
-	providerId int64
+	CountryId  uint32
+	ProvinceId uint32
+	CityId     uint32
+	TownId     uint32
+	ProviderId uint32
+	IPFrom     uint64
+	IPTo       uint64
+}
+
+func (this *ipItem) AsBinary() ([]byte, error) {
+	var buf = &bytes.Buffer{}
+	err := binary.Write(buf, binary.BigEndian, this)
+	if err != nil {
+		return nil, err
+	}
+	return buf.Bytes(), nil
 }
diff --git a/pkg/iplibrary/ip_item_test.go b/pkg/iplibrary/ip_item_test.go
new file mode 100644
index 0000000..cf3b740
--- /dev/null
+++ b/pkg/iplibrary/ip_item_test.go
@@ -0,0 +1,33 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package iplibrary
+
+import (
+	"bytes"
+	"encoding/binary"
+	"testing"
+)
+
+func TestIpItem_AsBinary(t *testing.T) {
+	var item = &ipItem{
+		IPFrom:     123456789,
+		IPTo:       123456790,
+		CountryId:  1,
+		ProvinceId: 2,
+		CityId:     3,
+		TownId:     4,
+		ProviderId: 5,
+	}
+	b, err := item.AsBinary()
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log(len(b), "bytes")
+
+	var item2 = &ipItem{}
+	err = binary.Read(bytes.NewReader(b), binary.BigEndian, item2)
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log(item2)
+}
diff --git a/pkg/iplibrary/meta.go b/pkg/iplibrary/meta.go
index ef18871..9ae12f5 100644
--- a/pkg/iplibrary/meta.go
+++ b/pkg/iplibrary/meta.go
@@ -3,31 +3,31 @@
 package iplibrary
 
 type Country struct {
-	Id    int64    `json:"id"`
+	Id    uint32   `json:"id"`
 	Name  string   `json:"name"`
 	Codes []string `json:"codes"`
 }
 
 type Province struct {
-	Id    int64    `json:"id"`
+	Id    uint32   `json:"id"`
 	Name  string   `json:"name"`
 	Codes []string `json:"codes"`
 }
 
 type City struct {
-	Id    int64    `json:"id"`
+	Id    uint32   `json:"id"`
 	Name  string   `json:"name"`
 	Codes []string `json:"codes"`
 }
 
 type Town struct {
-	Id    int64    `json:"id"`
+	Id    uint32   `json:"id"`
 	Name  string   `json:"name"`
 	Codes []string `json:"codes"`
 }
 
 type Provider struct {
-	Id    int64    `json:"id"`
+	Id    uint32   `json:"id"`
 	Name  string   `json:"name"`
 	Codes []string `json:"codes"`
 }
@@ -42,19 +42,19 @@ type Meta struct {
 	Providers []*Provider `json:"providers"`
 	CreatedAt int64       `json:"createdAt"`
 
-	countryMap  map[int64]*Country  // id => *Country
-	provinceMap map[int64]*Province // id => *Province
-	cityMap     map[int64]*City     // id => *City
-	townMap     map[int64]*Town     // id => *Town
-	providerMap map[int64]*Provider // id => *Provider
+	countryMap  map[uint32]*Country  // id => *Country
+	provinceMap map[uint32]*Province // id => *Province
+	cityMap     map[uint32]*City     // id => *City
+	townMap     map[uint32]*Town     // id => *Town
+	providerMap map[uint32]*Provider // id => *Provider
 }
 
 func (this *Meta) Init() {
-	this.countryMap = map[int64]*Country{}
-	this.provinceMap = map[int64]*Province{}
-	this.cityMap = map[int64]*City{}
-	this.townMap = map[int64]*Town{}
-	this.providerMap = map[int64]*Provider{}
+	this.countryMap = map[uint32]*Country{}
+	this.provinceMap = map[uint32]*Province{}
+	this.cityMap = map[uint32]*City{}
+	this.townMap = map[uint32]*Town{}
+	this.providerMap = map[uint32]*Provider{}
 
 	for _, country := range this.Countries {
 		this.countryMap[country.Id] = country
@@ -73,22 +73,22 @@ func (this *Meta) Init() {
 	}
 }
 
-func (this *Meta) CountryWithId(countryId int64) *Country {
+func (this *Meta) CountryWithId(countryId uint32) *Country {
 	return this.countryMap[countryId]
 }
 
-func (this *Meta) ProvinceWithId(provinceId int64) *Province {
+func (this *Meta) ProvinceWithId(provinceId uint32) *Province {
 	return this.provinceMap[provinceId]
 }
 
-func (this *Meta) CityWithId(cityId int64) *City {
+func (this *Meta) CityWithId(cityId uint32) *City {
 	return this.cityMap[cityId]
 }
 
-func (this *Meta) TownWithId(townId int64) *Town {
+func (this *Meta) TownWithId(townId uint32) *Town {
 	return this.townMap[townId]
 }
 
-func (this *Meta) ProviderWithId(providerId int64) *Provider {
+func (this *Meta) ProviderWithId(providerId uint32) *Provider {
 	return this.providerMap[providerId]
 }
diff --git a/pkg/iplibrary/reader.go b/pkg/iplibrary/reader.go
index 5bf6779..faa8dc1 100644
--- a/pkg/iplibrary/reader.go
+++ b/pkg/iplibrary/reader.go
@@ -77,10 +77,10 @@ func (this *Reader) load(reader io.Reader) error {
 	}
 
 	sort.Slice(this.ipV4Items, func(i, j int) bool {
-		var from0 = this.ipV4Items[i].ipFrom
-		var to0 = this.ipV4Items[i].ipTo
-		var from1 = this.ipV4Items[j].ipFrom
-		var to1 = this.ipV4Items[j].ipTo
+		var from0 = this.ipV4Items[i].IPFrom
+		var to0 = this.ipV4Items[i].IPTo
+		var from1 = this.ipV4Items[j].IPFrom
+		var to1 = this.ipV4Items[j].IPTo
 		if from0 == from1 {
 			return to0 < to1
 		}
@@ -88,10 +88,10 @@ func (this *Reader) load(reader io.Reader) error {
 	})
 
 	sort.Slice(this.ipV6Items, func(i, j int) bool {
-		var from0 = this.ipV6Items[i].ipFrom
-		var to0 = this.ipV6Items[i].ipTo
-		var from1 = this.ipV6Items[j].ipFrom
-		var to1 = this.ipV6Items[j].ipTo
+		var from0 = this.ipV6Items[i].IPFrom
+		var to0 = this.ipV6Items[i].IPTo
+		var from1 = this.ipV6Items[j].IPFrom
+		var to1 = this.ipV6Items[j].IPTo
 		if from0 == from1 {
 			return to0 < to1
 		}
@@ -112,8 +112,8 @@ func (this *Reader) Lookup(ip net.IP) *QueryResult {
 	if isV4 {
 		sort.Search(len(this.ipV4Items), func(i int) bool {
 			var item = this.ipV4Items[i]
-			if item.ipFrom <= ipLong {
-				if item.ipTo >= ipLong {
+			if item.IPFrom <= ipLong {
+				if item.IPTo >= ipLong {
 					resultItem = item
 					return false
 				}
@@ -124,8 +124,8 @@ func (this *Reader) Lookup(ip net.IP) *QueryResult {
 	} else {
 		sort.Search(len(this.ipV6Items), func(i int) bool {
 			var item = this.ipV6Items[i]
-			if item.ipFrom <= ipLong {
-				if item.ipTo >= ipLong {
+			if item.IPFrom <= ipLong {
+				if item.IPTo >= ipLong {
 					resultItem = item
 					return false
 				}
@@ -188,23 +188,23 @@ func (this *Reader) parse(data []byte) (left []byte, err error) {
 
 			if version == "4" {
 				this.ipV4Items = append(this.ipV4Items, &ipItem{
-					ipFrom:     ipFrom,
-					ipTo:       ipTo,
-					countryId:  types.Int64(pieces[3]),
-					provinceId: types.Int64(pieces[4]),
-					cityId:     types.Int64(pieces[5]),
-					townId:     types.Int64(pieces[6]),
-					providerId: types.Int64(pieces[7]),
+					IPFrom:     ipFrom,
+					IPTo:       ipTo,
+					CountryId:  types.Uint32(pieces[3]),
+					ProvinceId: types.Uint32(pieces[4]),
+					CityId:     types.Uint32(pieces[5]),
+					TownId:     types.Uint32(pieces[6]),
+					ProviderId: types.Uint32(pieces[7]),
 				})
 			} else {
 				this.ipV6Items = append(this.ipV6Items, &ipItem{
-					ipFrom:     ipFrom,
-					ipTo:       ipTo,
-					countryId:  types.Int64(pieces[3]),
-					provinceId: types.Int64(pieces[4]),
-					cityId:     types.Int64(pieces[5]),
-					townId:     types.Int64(pieces[6]),
-					providerId: types.Int64(pieces[7]),
+					IPFrom:     ipFrom,
+					IPTo:       ipTo,
+					CountryId:  types.Uint32(pieces[3]),
+					ProvinceId: types.Uint32(pieces[4]),
+					CityId:     types.Uint32(pieces[5]),
+					TownId:     types.Uint32(pieces[6]),
+					ProviderId: types.Uint32(pieces[7]),
 				})
 			}
 
diff --git a/pkg/iplibrary/reader_result.go b/pkg/iplibrary/reader_result.go
index cff0e62..d88733d 100644
--- a/pkg/iplibrary/reader_result.go
+++ b/pkg/iplibrary/reader_result.go
@@ -18,7 +18,7 @@ func (this *QueryResult) IsOk() bool {
 
 func (this *QueryResult) CountryId() int64 {
 	if this.item != nil {
-		return this.item.countryId
+		return int64(this.item.CountryId)
 	}
 	return 0
 }
@@ -27,8 +27,8 @@ func (this *QueryResult) CountryName() string {
 	if this.item == nil {
 		return ""
 	}
-	if this.item.countryId > 0 {
-		var country = this.meta.CountryWithId(this.item.countryId)
+	if this.item.CountryId > 0 {
+		var country = this.meta.CountryWithId(this.item.CountryId)
 		if country != nil {
 			return country.Name
 		}
@@ -40,8 +40,8 @@ func (this *QueryResult) CountryCodes() []string {
 	if this.item == nil {
 		return nil
 	}
-	if this.item.countryId > 0 {
-		var country = this.meta.CountryWithId(this.item.countryId)
+	if this.item.CountryId > 0 {
+		var country = this.meta.CountryWithId(this.item.CountryId)
 		if country != nil {
 			return country.Codes
 		}
@@ -51,7 +51,7 @@ func (this *QueryResult) CountryCodes() []string {
 
 func (this *QueryResult) ProvinceId() int64 {
 	if this.item != nil {
-		return this.item.provinceId
+		return int64(this.item.ProvinceId)
 	}
 	return 0
 }
@@ -60,8 +60,8 @@ func (this *QueryResult) ProvinceName() string {
 	if this.item == nil {
 		return ""
 	}
-	if this.item.provinceId > 0 {
-		var province = this.meta.ProvinceWithId(this.item.provinceId)
+	if this.item.ProvinceId > 0 {
+		var province = this.meta.ProvinceWithId(this.item.ProvinceId)
 		if province != nil {
 			return province.Name
 		}
@@ -73,8 +73,8 @@ func (this *QueryResult) ProvinceCodes() []string {
 	if this.item == nil {
 		return nil
 	}
-	if this.item.provinceId > 0 {
-		var province = this.meta.ProvinceWithId(this.item.provinceId)
+	if this.item.ProvinceId > 0 {
+		var province = this.meta.ProvinceWithId(this.item.ProvinceId)
 		if province != nil {
 			return province.Codes
 		}
@@ -84,7 +84,7 @@ func (this *QueryResult) ProvinceCodes() []string {
 
 func (this *QueryResult) CityId() int64 {
 	if this.item != nil {
-		return this.item.cityId
+		return int64(this.item.CityId)
 	}
 	return 0
 }
@@ -93,8 +93,8 @@ func (this *QueryResult) CityName() string {
 	if this.item == nil {
 		return ""
 	}
-	if this.item.cityId > 0 {
-		var city = this.meta.CityWithId(this.item.cityId)
+	if this.item.CityId > 0 {
+		var city = this.meta.CityWithId(this.item.CityId)
 		if city != nil {
 			return city.Name
 		}
@@ -104,7 +104,7 @@ func (this *QueryResult) CityName() string {
 
 func (this *QueryResult) TownId() int64 {
 	if this.item != nil {
-		return this.item.townId
+		return int64(this.item.TownId)
 	}
 	return 0
 }
@@ -113,8 +113,8 @@ func (this *QueryResult) TownName() string {
 	if this.item == nil {
 		return ""
 	}
-	if this.item.townId > 0 {
-		var town = this.meta.TownWithId(this.item.townId)
+	if this.item.TownId > 0 {
+		var town = this.meta.TownWithId(this.item.TownId)
 		if town != nil {
 			return town.Name
 		}
@@ -124,7 +124,7 @@ func (this *QueryResult) TownName() string {
 
 func (this *QueryResult) ProviderId() int64 {
 	if this.item != nil {
-		return this.item.providerId
+		return int64(this.item.ProviderId)
 	}
 	return 0
 }
@@ -133,8 +133,8 @@ func (this *QueryResult) ProviderName() string {
 	if this.item == nil {
 		return ""
 	}
-	if this.item.providerId > 0 {
-		var provider = this.meta.ProviderWithId(this.item.providerId)
+	if this.item.ProviderId > 0 {
+		var provider = this.meta.ProviderWithId(this.item.ProviderId)
 		if provider != nil {
 			return provider.Name
 		}
@@ -146,8 +146,8 @@ func (this *QueryResult) ProviderCodes() []string {
 	if this.item == nil {
 		return nil
 	}
-	if this.item.providerId > 0 {
-		var provider = this.meta.ProviderWithId(this.item.providerId)
+	if this.item.ProviderId > 0 {
+		var provider = this.meta.ProviderWithId(this.item.ProviderId)
 		if provider != nil {
 			return provider.Codes
 		}