diff --git a/go.mod b/go.mod
index eb95aef..5ca394e 100644
--- a/go.mod
+++ b/go.mod
@@ -4,8 +4,12 @@ go 1.14
 
 require (
 	github.com/oschwald/geoip2-golang v1.4.0
+	github.com/saracen/go7z v0.0.0-20191010121135-9c09b6bd7fda
+	github.com/saracen/go7z-fixtures v0.0.0-20190623165746-aa6b8fba1d2f // indirect
+	github.com/saracen/solidblock v0.0.0-20190426153529-45df20abab6f // indirect
 	github.com/spf13/cobra v1.0.0
 	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/ulikunitz/xz v0.5.7 // indirect
 	golang.org/x/sys v0.0.0-20200625212154-ddb9806d33ae // indirect
 	golang.org/x/text v0.3.3
 	gopkg.in/yaml.v2 v2.3.0 // indirect
diff --git a/go.sum b/go.sum
index 373347b..fc4fa5e 100644
--- a/go.sum
+++ b/go.sum
@@ -84,6 +84,12 @@ github.com/prometheus/procfs v0.0.0-20190507164030-5867b95ac084/go.mod h1:TjEm7z
 github.com/prometheus/tsdb v0.7.1/go.mod h1:qhTCs0VvXwvX/y3TZrWD7rabWM+ijKTux40TwIPHuXU=
 github.com/rogpeppe/fastuuid v0.0.0-20150106093220-6724a57986af/go.mod h1:XWv6SoW27p1b0cqNHllgS5HIMJraePCO15w5zCzIWYg=
 github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
+github.com/saracen/go7z v0.0.0-20191010121135-9c09b6bd7fda h1:h+YpzUB/bGVJcLqW+d5GghcCmE/A25KbzjXvWJQi/+o=
+github.com/saracen/go7z v0.0.0-20191010121135-9c09b6bd7fda/go.mod h1:MSotTrCv1PwoR8QgU1JurEx+lNNbtr25I+m0zbLyAGw=
+github.com/saracen/go7z-fixtures v0.0.0-20190623165746-aa6b8fba1d2f h1:PF9WV5j/x6MT+x/sauUHd4objCvJbZb0wdxZkHSdd5A=
+github.com/saracen/go7z-fixtures v0.0.0-20190623165746-aa6b8fba1d2f/go.mod h1:6Ff0ADODZ6S3gYepgZ2w7OqFrTqtFcfwDUhmm8jsUhs=
+github.com/saracen/solidblock v0.0.0-20190426153529-45df20abab6f h1:1cJITU3JUI8qNS5T0BlXwANsVdyoJQHQ4hvOxbunPCw=
+github.com/saracen/solidblock v0.0.0-20190426153529-45df20abab6f/go.mod h1:LyBTue+RWeyIfN3ZJ4wVxvDuvlGJtDgCLgCb6HCPgps=
 github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
 github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
 github.com/soheilhy/cmux v0.1.4/go.mod h1:IM3LyeVVIOuxMH7sFAkER9+bJ4dT7Ms6E4xg4kGIyLM=
@@ -109,6 +115,8 @@ github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJy
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
 github.com/ugorji/go v1.1.4/go.mod h1:uQMGLiO92mf5W77hV/PUCpI3pbzQx3CRekS0kk+RGrc=
+github.com/ulikunitz/xz v0.5.7 h1:YvTNdFzX6+W5m9msiYg/zpkSURPPtOlzbqYjrFn7Yt4=
+github.com/ulikunitz/xz v0.5.7/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=
 github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
 github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
 go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
@@ -146,6 +154,7 @@ golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxb
 golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20190311212946-11955173bddd h1:/e+gpKk9r3dJobndpTytxS2gOy6m5uvpg+ISQoEcusQ=
 golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8 h1:Nw54tB0rB7hY/N0NQvRW8DG4Yk3Q6T9cu9RcFQDu1tc=
diff --git a/pkg/zxipv6wry/update.go b/pkg/zxipv6wry/update.go
index 9d8947f..f4a5ca0 100644
--- a/pkg/zxipv6wry/update.go
+++ b/pkg/zxipv6wry/update.go
@@ -1,5 +1,84 @@
 package zxipv6wry
 
-func GetOnline() ([]byte, error) {
-	return nil, nil
+import (
+	"io"
+	"io/ioutil"
+	"log"
+	"net/http"
+	"os"
+	"path/filepath"
+
+	"github.com/zu1k/nali/constant"
+
+	"github.com/saracen/go7z"
+)
+
+func Download(filePath string) (data []byte, err error) {
+	resp, err := http.Get("https://www.zxinc.org/ip.7z")
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return nil, err
+	}
+
+	file7z := filepath.Join(constant.HomePath, "ip.7z")
+	_, err = os.Stat(file7z)
+	if err != nil && os.IsNotExist(err) {
+		if err := ioutil.WriteFile(file7z, body, 0644); err == nil {
+			Un7z(file7z)
+			err = os.Remove(file7z)
+		}
+	} else {
+		Un7z(file7z)
+		err = os.Remove(file7z)
+	}
+
+	return ioutil.ReadFile(filePath)
+}
+
+func Un7z(filePath string) {
+	sz, err := go7z.OpenReader(filePath)
+	if err != nil {
+		panic(err)
+	}
+	defer sz.Close()
+
+	f, err := os.Create("tmp")
+	if err != nil {
+		panic(err)
+	}
+	for {
+		hdr, err := sz.Next()
+		if err == io.EOF {
+			break // End of archive
+		}
+		if err != nil {
+			panic(err)
+		}
+
+		if hdr.Name == "ipv6wry.db" {
+			f, err := os.Create(filepath.Join(constant.HomePath, "ipv6wry.db"))
+			if err != nil {
+				panic(err)
+			}
+			defer f.Close()
+
+			if _, err := io.Copy(f, sz); err != nil {
+				log.Fatalln("ZX ipv6数据库解压出错：", err.Error())
+			}
+		} else {
+			if _, err := io.Copy(f, sz); err != nil {
+				log.Fatalln("ZX ipv6数据库解压出错：", err.Error())
+			}
+		}
+	}
+	err = f.Close()
+	if err != nil {
+		panic(err)
+	}
+	_ = os.Remove("tmp")
 }
diff --git a/pkg/zxipv6wry/zxipv6wry.go b/pkg/zxipv6wry/zxipv6wry.go
index 441b3db..a7eb94b 100644
--- a/pkg/zxipv6wry/zxipv6wry.go
+++ b/pkg/zxipv6wry/zxipv6wry.go
@@ -18,15 +18,23 @@ type ZXwry struct {
 }
 
 func NewZXwry(filePath string) ZXwry {
-	var tmpData []byte
+	var fileData []byte
 	var fileInfo common.FileData
 
 	// 判断文件是否存在
 	_, err := os.Stat(filePath)
 	if err != nil && os.IsNotExist(err) {
-		log.Println("文件不存在，请自行下载 ZX IPV6库，解压并保存在", filePath)
-		log.Println("下载链接： https://www.zxinc.org/ip.7z")
-		os.Exit(1)
+		log.Println("文件不存在，尝试从网络获取最新ZX IPv6数据库")
+		fileData, err = Download(filePath)
+		if err != nil {
+			log.Printf("ZX IPv6数据库下载失败，请手动下载解压后保存到本地: %s \n", filePath)
+			log.Println("下载链接： https://www.zxinc.org/ip.7z")
+			os.Exit(1)
+		} else {
+			if err := ioutil.WriteFile(filePath, fileData, 0644); err == nil {
+				log.Printf("已将最新的 ZX IPv6数据库 保存到本地: %s ", filePath)
+			}
+		}
 	} else {
 		// 打开文件句柄
 		fileInfo.FileBase, err = os.OpenFile(filePath, os.O_RDONLY, 0400)
@@ -35,13 +43,13 @@ func NewZXwry(filePath string) ZXwry {
 		}
 		defer fileInfo.FileBase.Close()
 
-		tmpData, err = ioutil.ReadAll(fileInfo.FileBase)
+		fileData, err = ioutil.ReadAll(fileInfo.FileBase)
 		if err != nil {
 			panic(err)
 		}
 	}
 
-	fileInfo.Data = tmpData
+	fileInfo.Data = fileData
 
 	return ZXwry{
 		IPDB: common.IPDB{