diff --git a/internal/nodes/ip_library_updater.go b/internal/nodes/ip_library_updater.go
new file mode 100644
index 0000000..df0c303
--- /dev/null
+++ b/internal/nodes/ip_library_updater.go
@@ -0,0 +1,103 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package nodes
+
+import (
+	"errors"
+	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
+	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
+	"github.com/TeaOSLab/EdgeNode/internal/rpc"
+	"github.com/iwind/TeaGo/Tea"
+	"github.com/iwind/TeaGo/types"
+	"io"
+	"os"
+)
+
+type IPLibraryUpdater struct {
+}
+
+func NewIPLibraryUpdater() *IPLibraryUpdater {
+	return &IPLibraryUpdater{}
+}
+
+// DataDir 文件目录
+func (this *IPLibraryUpdater) DataDir() string {
+	// data/
+	var dir = Tea.Root + "/data"
+	stat, err := os.Stat(dir)
+	if err == nil && stat.IsDir() {
+		return dir
+	}
+
+	err = os.Mkdir(dir, 0666)
+	if err == nil {
+		return dir
+	}
+
+	remotelogs.Error("IP_LIBRARY_UPDATER", "create directory '"+dir+"' failed: "+err.Error())
+
+	// 如果不能创建 data/ 目录，那么使用临时目录
+	return os.TempDir()
+}
+
+// FindLatestFile 检查最新的IP库文件
+func (this *IPLibraryUpdater) FindLatestFile() (code string, fileId int64, err error) {
+	rpcClient, err := rpc.SharedRPC()
+	if err != nil {
+		return "", 0, err
+	}
+	resp, err := rpcClient.IPLibraryArtifactRPC().FindPublicIPLibraryArtifact(rpcClient.Context(), &pb.FindPublicIPLibraryArtifactRequest{})
+	if err != nil {
+		return "", 0, err
+	}
+	var artifact = resp.IpLibraryArtifact
+	if artifact == nil {
+		return
+	}
+	return artifact.Code, artifact.FileId, nil
+}
+
+// DownloadFile 下载文件
+func (this *IPLibraryUpdater) DownloadFile(fileId int64, writer io.Writer) error {
+	if fileId <= 0 {
+		return errors.New("invalid fileId: " + types.String(fileId))
+	}
+
+	rpcClient, err := rpc.SharedRPC()
+	if err != nil {
+		return err
+	}
+
+	chunkIdsResp, err := rpcClient.FileChunkRPC().FindAllFileChunkIds(rpcClient.Context(), &pb.FindAllFileChunkIdsRequest{FileId: fileId})
+	if err != nil {
+		return err
+	}
+	for _, chunkId := range chunkIdsResp.FileChunkIds {
+		chunkResp, err := rpcClient.FileChunkRPC().DownloadFileChunk(rpcClient.Context(), &pb.DownloadFileChunkRequest{FileChunkId: chunkId})
+		if err != nil {
+			return err
+		}
+		var chunk = chunkResp.FileChunk
+		if chunk == nil {
+			return errors.New("can not find file chunk with chunk id '" + types.String(chunkId) + "'")
+		}
+		_, err = writer.Write(chunk.Data)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// LogInfo 普通日志
+func (this *IPLibraryUpdater) LogInfo(message string) {
+	remotelogs.Println("IP_LIBRARY_UPDATER", message)
+}
+
+// LogError 错误日志
+func (this *IPLibraryUpdater) LogError(err error) {
+	if err == nil {
+		return
+	}
+	remotelogs.Error("IP_LIBRARY_UPDATER", err.Error())
+}
diff --git a/internal/nodes/node.go b/internal/nodes/node.go
index d785415..7ee4791 100644
--- a/internal/nodes/node.go
+++ b/internal/nodes/node.go
@@ -111,10 +111,13 @@ func (this *Node) Start() {
 
 	// 启动IP库
 	remotelogs.Println("NODE", "initializing ip library ...")
-	err = iplib.Init()
+	err = iplib.InitDefault()
 	if err != nil {
 		remotelogs.Error("NODE", "initialize ip library failed: "+err.Error())
 	}
+	goman.New(func() {
+		iplib.NewUpdater(NewIPLibraryUpdater(), 10*time.Minute).Start()
+	})
 
 	// 检查硬盘类型
 	this.checkDisk()
diff --git a/internal/rpc/rpc_client.go b/internal/rpc/rpc_client.go
index d1c2df2..6dfe139 100644
--- a/internal/rpc/rpc_client.go
+++ b/internal/rpc/rpc_client.go
@@ -79,6 +79,10 @@ func (this *RPCClient) IPLibraryRPC() pb.IPLibraryServiceClient {
 	return pb.NewIPLibraryServiceClient(this.pickConn())
 }
 
+func (this *RPCClient) IPLibraryArtifactRPC() pb.IPLibraryArtifactServiceClient {
+	return pb.NewIPLibraryArtifactServiceClient(this.pickConn())
+}
+
 func (this *RPCClient) RegionCountryRPC() pb.RegionCountryServiceClient {
 	return pb.NewRegionCountryServiceClient(this.pickConn())
 }
@@ -141,7 +145,7 @@ func (this *RPCClient) SSLCertRPC() pb.SSLCertServiceClient {
 
 // Context 节点上下文信息
 func (this *RPCClient) Context() context.Context {
-	ctx := context.Background()
+	var ctx = context.Background()
 	m := maps.Map{
 		"timestamp": time.Now().Unix(),
 		"type":      "node",
@@ -157,7 +161,7 @@ func (this *RPCClient) Context() context.Context {
 		utils.PrintError(err)
 		return context.Background()
 	}
-	token := base64.StdEncoding.EncodeToString(data)
+	var token = base64.StdEncoding.EncodeToString(data)
 	ctx = metadata.AppendToOutgoingContext(ctx, "nodeId", this.apiConfig.NodeId, "token", token)
 	return ctx
 }