diff --git a/cmd/agent/main.go b/cmd/agent/main.go
index 0a2c86b..c25ec27 100644
--- a/cmd/agent/main.go
+++ b/cmd/agent/main.go
@@ -61,6 +61,7 @@ var (
 	arch    string
 	client  pb.NezhaServiceClient
 	inited  bool
+	geoip   *pb.GeoIP
 )
 
 var agentCmd = &cobra.Command{
@@ -426,6 +427,7 @@ func reportState() {
 			if lastReportHostInfo.Before(time.Now().Add(-10 * time.Minute)) {
 				lastReportHostInfo = time.Now()
 				client.ReportSystemInfo(context.Background(), monitor.GetHost().PB())
+				geoip, _ = client.LookupGeoIP(context.Background(), &pb.GeoIP{Ip: monitor.QueryIP})
 			}
 		}
 		time.Sleep(time.Second * time.Duration(agentCliParam.ReportDelay))
@@ -434,7 +436,8 @@ func reportState() {
 
 // doSelfUpdate 执行更新检查 如果更新成功则会结束进程
 func doSelfUpdate(useLocalVersion bool) {
-	if monitor.CachedCountry == "" {
+	code := geoip.GetCountryCode()
+	if code == "" {
 		return
 	}
 	v := semver.MustParse("0.1.0")
@@ -444,7 +447,7 @@ func doSelfUpdate(useLocalVersion bool) {
 	println("检查更新：", v)
 	var latest *selfupdate.Release
 	var err error
-	if monitor.CachedCountry != "CN" && !agentCliParam.UseGiteeToUpgrade {
+	if code != "cn" && !agentCliParam.UseGiteeToUpgrade {
 		latest, err = selfupdate.UpdateSelf(v, "nezhahq/agent")
 	} else {
 		latest, err = selfupdate.UpdateSelfGitee(v, "naibahq/agent")
diff --git a/pkg/monitor/monitor.go b/pkg/monitor/monitor.go
index 97bf6d5..bff63ad 100644
--- a/pkg/monitor/monitor.go
+++ b/pkg/monitor/monitor.go
@@ -151,9 +151,11 @@ func GetHost() *model.Host {
 	cachedBootTime = time.Unix(int64(hi.BootTime), 0)
 
 	ret.IP = CachedIP
-	ret.CountryCode = strings.ToLower(CachedCountry)
 	ret.Version = Version
 
+	// stub
+	ret.CountryCode = ""
+
 	return &ret
 }
 
diff --git a/pkg/monitor/myip.go b/pkg/monitor/myip.go
index 3ede6ae..67bd1ad 100644
--- a/pkg/monitor/myip.go
+++ b/pkg/monitor/myip.go
@@ -12,55 +12,25 @@ import (
 
 const MacOSChromeUA = "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36"
 
-type geoIP struct {
-	CountryCode  string `json:"country_code,omitempty"`
-	CountryCode2 string `json:"countryCode,omitempty"`
-	IP           string `json:"ip,omitempty"`
-	Query        string `json:"query,omitempty"`
-	Location     struct {
-		CountryCode string `json:"country_code,omitempty"`
-	} `json:"location,omitempty"`
-}
-
-func (ip *geoIP) Unmarshal(body []byte) error {
-	if err := util.Json.Unmarshal(body, ip); err != nil {
-		return err
-	}
-	if ip.IP == "" && ip.Query != "" {
-		ip.IP = ip.Query
-	}
-	if ip.CountryCode == "" && ip.CountryCode2 != "" {
-		ip.CountryCode = ip.CountryCode2
-	}
-	if ip.CountryCode == "" && ip.Location.CountryCode != "" {
-		ip.CountryCode = ip.Location.CountryCode
-	}
-	return nil
-}
-
 var (
-	geoIPApiList = []string{
-		"http://api.myip.la/en?json",
-		"https://api.ip.sb/geoip",
-		"https://ipapi.co/json",
-		"http://ip-api.com/json/",
-		// "https://extreme-ip-lookup.com/json/", // 不精确
-		// "https://ip.seeip.org/geoip", // 不精确
-		// "https://freegeoip.app/json/", // 需要 Key
+	cfList = []string{
+		"https://blog.cloudflare.com/cdn-cgi/trace",
+		"https://dash.cloudflare.com/cdn-cgi/trace",
+		"https://cf-ns.com/cdn-cgi/trace", // 有国内节点
 	}
-	CachedIP, CachedCountry string
-	httpClientV4            = util.NewSingleStackHTTPClient(time.Second*20, time.Second*5, time.Second*10, false)
-	httpClientV6            = util.NewSingleStackHTTPClient(time.Second*20, time.Second*5, time.Second*10, true)
+	CachedIP, QueryIP string
+	httpClientV4      = util.NewSingleStackHTTPClient(time.Second*20, time.Second*5, time.Second*10, false)
+	httpClientV6      = util.NewSingleStackHTTPClient(time.Second*20, time.Second*5, time.Second*10, true)
 )
 
-// UpdateIP 按设置时间间隔更新IP地址与国家码的缓存
+// UpdateIP 按设置时间间隔更新IP地址的缓存
 func UpdateIP(useIPv6CountryCode bool, period uint32) {
 	for {
 		util.Println(agentConfig.Debug, "正在更新本地缓存IP信息")
-		ipv4 := fetchGeoIP(geoIPApiList, false)
-		ipv6 := fetchGeoIP(geoIPApiList, true)
+		ipv4 := fetchIP(cfList, false)
+		ipv6 := fetchIP(cfList, true)
 
-		if ipv4.IP == "" && ipv6.IP == "" {
+		if ipv4 == "" && ipv6 == "" {
 			if period > 60 {
 				time.Sleep(time.Minute)
 			} else {
@@ -68,25 +38,24 @@ func UpdateIP(useIPv6CountryCode bool, period uint32) {
 			}
 			continue
 		}
-		if ipv4.IP == "" || ipv6.IP == "" {
-			CachedIP = fmt.Sprintf("%s%s", ipv4.IP, ipv6.IP)
+		if ipv4 == "" || ipv6 == "" {
+			CachedIP = fmt.Sprintf("%s%s", ipv4, ipv6)
 		} else {
-			CachedIP = fmt.Sprintf("%s/%s", ipv4.IP, ipv6.IP)
+			CachedIP = fmt.Sprintf("%s/%s", ipv4, ipv6)
 		}
 
-		if ipv4.CountryCode != "" {
-			CachedCountry = ipv4.CountryCode
-		}
-		if ipv6.CountryCode != "" && (useIPv6CountryCode || CachedCountry == "") {
-			CachedCountry = ipv6.CountryCode
+		if !useIPv6CountryCode {
+			QueryIP = ipv4
+		} else {
+			QueryIP = ipv6
 		}
 
 		time.Sleep(time.Second * time.Duration(period))
 	}
 }
 
-func fetchGeoIP(servers []string, isV6 bool) geoIP {
-	var ip geoIP
+func fetchIP(servers []string, isV6 bool) string {
+	var ip string
 	var resp *http.Response
 	var err error
 
@@ -103,20 +72,20 @@ func fetchGeoIP(servers []string, isV6 bool) geoIP {
 				continue
 			}
 			resp.Body.Close()
-			newIP := geoIP{}
-			if err := newIP.Unmarshal(body); err != nil {
-				continue
+			lines := strings.Split(string(body), "\n")
+			var newIP string
+			for _, line := range lines {
+				if strings.HasPrefix(line, "ip=") {
+					newIP = strings.TrimPrefix(line, "ip=")
+					break
+				}
 			}
 			// 没取到 v6 IP
-			if isV6 && !strings.Contains(newIP.IP, ":") {
+			if isV6 && !strings.Contains(newIP, ":") {
 				continue
 			}
 			// 没取到 v4 IP
-			if !isV6 && !strings.Contains(newIP.IP, ".") {
-				continue
-			}
-			// 未获取到国家码
-			if newIP.CountryCode == "" {
+			if !isV6 && !strings.Contains(newIP, ".") {
 				continue
 			}
 			ip = newIP
diff --git a/pkg/monitor/myip_test.go b/pkg/monitor/myip_test.go
index a46d038..51ce951 100644
--- a/pkg/monitor/myip_test.go
+++ b/pkg/monitor/myip_test.go
@@ -6,31 +6,27 @@ import (
 )
 
 func TestGeoIPApi(t *testing.T) {
-	for i := 0; i < len(geoIPApiList); i++ {
-		resp, err := httpGetWithUA(httpClientV4, geoIPApiList[i])
+	for i := 0; i < len(cfList); i++ {
+		resp, err := httpGetWithUA(httpClientV4, cfList[i])
 		if err != nil {
-			t.Fatalf("httpGetWithUA(%s) error: %v", geoIPApiList[i], err)
+			t.Fatalf("httpGetWithUA(%s) error: %v", cfList[i], err)
 		}
 		body, err := io.ReadAll(resp.Body)
 		if err != nil {
-			t.Fatalf("io.ReadAll(%s) error: %v", geoIPApiList[i], err)
+			t.Fatalf("io.ReadAll(%s) error: %v", cfList[i], err)
 		}
 		resp.Body.Close()
-		var ip geoIP
-		err = ip.Unmarshal(body)
-		if err != nil {
-			t.Fatalf("ip.Unmarshal(%s) error: %v", geoIPApiList[i], err)
-		}
-		t.Logf("%s %s %s", geoIPApiList[i], ip.CountryCode, ip.IP)
-		if ip.IP == "" || ip.CountryCode == "" {
-			t.Fatalf("ip.Unmarshal(%s) error: %v", geoIPApiList[i], err)
+		ip := string(body)
+		t.Logf("%s %s", cfList[i], ip)
+		if ip == "" {
+			t.Fatalf("httpGetWithUA(%s) error: %v", cfList[i], err)
 		}
 	}
 }
 
 func TestFetchGeoIP(t *testing.T) {
-	ip := fetchGeoIP(geoIPApiList, false)
-	if ip.IP == "" || ip.CountryCode == "" {
+	ip := fetchIP(cfList, false)
+	if ip == "" {
 		t.Fatalf("fetchGeoIP() error: %v", ip)
 	}
 }
diff --git a/proto/nezha.pb.go b/proto/nezha.pb.go
index 0d7720e..729deb0 100644
--- a/proto/nezha.pb.go
+++ b/proto/nezha.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.34.2
-// 	protoc        v5.27.1
+// 	protoc-gen-go v1.34.1
+// 	protoc        v5.26.1
 // source: proto/nezha.proto
 
 package proto
@@ -35,7 +35,7 @@ type Host struct {
 	Virtualization  string   `protobuf:"bytes,8,opt,name=virtualization,proto3" json:"virtualization,omitempty"`
 	BootTime        uint64   `protobuf:"varint,9,opt,name=boot_time,json=bootTime,proto3" json:"boot_time,omitempty"`
 	Ip              string   `protobuf:"bytes,10,opt,name=ip,proto3" json:"ip,omitempty"`
-	CountryCode     string   `protobuf:"bytes,11,opt,name=country_code,json=countryCode,proto3" json:"country_code,omitempty"`
+	CountryCode     string   `protobuf:"bytes,11,opt,name=country_code,json=countryCode,proto3" json:"country_code,omitempty"` // deprecated
 	Version         string   `protobuf:"bytes,12,opt,name=version,proto3" json:"version,omitempty"`
 	Gpu             []string `protobuf:"bytes,13,rep,name=gpu,proto3" json:"gpu,omitempty"`
 }
@@ -629,6 +629,61 @@ func (x *IOStreamData) GetData() []byte {
 	return nil
 }
 
+type GeoIP struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Ip          string `protobuf:"bytes,1,opt,name=ip,proto3" json:"ip,omitempty"`
+	CountryCode string `protobuf:"bytes,2,opt,name=country_code,json=countryCode,proto3" json:"country_code,omitempty"`
+}
+
+func (x *GeoIP) Reset() {
+	*x = GeoIP{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_nezha_proto_msgTypes[7]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GeoIP) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GeoIP) ProtoMessage() {}
+
+func (x *GeoIP) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_nezha_proto_msgTypes[7]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GeoIP.ProtoReflect.Descriptor instead.
+func (*GeoIP) Descriptor() ([]byte, []int) {
+	return file_proto_nezha_proto_rawDescGZIP(), []int{7}
+}
+
+func (x *GeoIP) GetIp() string {
+	if x != nil {
+		return x.Ip
+	}
+	return ""
+}
+
+func (x *GeoIP) GetCountryCode() string {
+	if x != nil {
+		return x.CountryCode
+	}
+	return ""
+}
+
 var File_proto_nezha_proto protoreflect.FileDescriptor
 
 var file_proto_nezha_proto_rawDesc = []byte{
@@ -712,26 +767,32 @@ var file_proto_nezha_proto_rawDesc = []byte{
 	0x69, 0x70, 0x74, 0x12, 0x16, 0x0a, 0x06, 0x70, 0x72, 0x6f, 0x63, 0x65, 0x64, 0x18, 0x01, 0x20,
 	0x01, 0x28, 0x08, 0x52, 0x06, 0x70, 0x72, 0x6f, 0x63, 0x65, 0x64, 0x22, 0x22, 0x0a, 0x0c, 0x49,
 	0x4f, 0x53, 0x74, 0x72, 0x65, 0x61, 0x6d, 0x44, 0x61, 0x74, 0x61, 0x12, 0x12, 0x0a, 0x04, 0x64,
-	0x61, 0x74, 0x61, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x04, 0x64, 0x61, 0x74, 0x61, 0x32,
-	0x92, 0x02, 0x0a, 0x0c, 0x4e, 0x65, 0x7a, 0x68, 0x61, 0x53, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65,
-	0x12, 0x33, 0x0a, 0x11, 0x52, 0x65, 0x70, 0x6f, 0x72, 0x74, 0x53, 0x79, 0x73, 0x74, 0x65, 0x6d,
-	0x53, 0x74, 0x61, 0x74, 0x65, 0x12, 0x0c, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x53, 0x74,
-	0x61, 0x74, 0x65, 0x1a, 0x0e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x52, 0x65, 0x63, 0x65,
-	0x69, 0x70, 0x74, 0x22, 0x00, 0x12, 0x31, 0x0a, 0x10, 0x52, 0x65, 0x70, 0x6f, 0x72, 0x74, 0x53,
-	0x79, 0x73, 0x74, 0x65, 0x6d, 0x49, 0x6e, 0x66, 0x6f, 0x12, 0x0b, 0x2e, 0x70, 0x72, 0x6f, 0x74,
-	0x6f, 0x2e, 0x48, 0x6f, 0x73, 0x74, 0x1a, 0x0e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x52,
-	0x65, 0x63, 0x65, 0x69, 0x70, 0x74, 0x22, 0x00, 0x12, 0x31, 0x0a, 0x0a, 0x52, 0x65, 0x70, 0x6f,
-	0x72, 0x74, 0x54, 0x61, 0x73, 0x6b, 0x12, 0x11, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x54,
-	0x61, 0x73, 0x6b, 0x52, 0x65, 0x73, 0x75, 0x6c, 0x74, 0x1a, 0x0e, 0x2e, 0x70, 0x72, 0x6f, 0x74,
-	0x6f, 0x2e, 0x52, 0x65, 0x63, 0x65, 0x69, 0x70, 0x74, 0x22, 0x00, 0x12, 0x2b, 0x0a, 0x0b, 0x52,
-	0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x54, 0x61, 0x73, 0x6b, 0x12, 0x0b, 0x2e, 0x70, 0x72, 0x6f,
-	0x74, 0x6f, 0x2e, 0x48, 0x6f, 0x73, 0x74, 0x1a, 0x0b, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e,
-	0x54, 0x61, 0x73, 0x6b, 0x22, 0x00, 0x30, 0x01, 0x12, 0x3a, 0x0a, 0x08, 0x49, 0x4f, 0x53, 0x74,
-	0x72, 0x65, 0x61, 0x6d, 0x12, 0x13, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x49, 0x4f, 0x53,
-	0x74, 0x72, 0x65, 0x61, 0x6d, 0x44, 0x61, 0x74, 0x61, 0x1a, 0x13, 0x2e, 0x70, 0x72, 0x6f, 0x74,
-	0x6f, 0x2e, 0x49, 0x4f, 0x53, 0x74, 0x72, 0x65, 0x61, 0x6d, 0x44, 0x61, 0x74, 0x61, 0x22, 0x00,
-	0x28, 0x01, 0x30, 0x01, 0x42, 0x09, 0x5a, 0x07, 0x2e, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62,
-	0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x61, 0x74, 0x61, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x04, 0x64, 0x61, 0x74, 0x61, 0x22,
+	0x3a, 0x0a, 0x05, 0x47, 0x65, 0x6f, 0x49, 0x50, 0x12, 0x0e, 0x0a, 0x02, 0x69, 0x70, 0x18, 0x01,
+	0x20, 0x01, 0x28, 0x09, 0x52, 0x02, 0x69, 0x70, 0x12, 0x21, 0x0a, 0x0c, 0x63, 0x6f, 0x75, 0x6e,
+	0x74, 0x72, 0x79, 0x5f, 0x63, 0x6f, 0x64, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0b,
+	0x63, 0x6f, 0x75, 0x6e, 0x74, 0x72, 0x79, 0x43, 0x6f, 0x64, 0x65, 0x32, 0xbf, 0x02, 0x0a, 0x0c,
+	0x4e, 0x65, 0x7a, 0x68, 0x61, 0x53, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x12, 0x33, 0x0a, 0x11,
+	0x52, 0x65, 0x70, 0x6f, 0x72, 0x74, 0x53, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x53, 0x74, 0x61, 0x74,
+	0x65, 0x12, 0x0c, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x53, 0x74, 0x61, 0x74, 0x65, 0x1a,
+	0x0e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x52, 0x65, 0x63, 0x65, 0x69, 0x70, 0x74, 0x22,
+	0x00, 0x12, 0x31, 0x0a, 0x10, 0x52, 0x65, 0x70, 0x6f, 0x72, 0x74, 0x53, 0x79, 0x73, 0x74, 0x65,
+	0x6d, 0x49, 0x6e, 0x66, 0x6f, 0x12, 0x0b, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x48, 0x6f,
+	0x73, 0x74, 0x1a, 0x0e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x52, 0x65, 0x63, 0x65, 0x69,
+	0x70, 0x74, 0x22, 0x00, 0x12, 0x31, 0x0a, 0x0a, 0x52, 0x65, 0x70, 0x6f, 0x72, 0x74, 0x54, 0x61,
+	0x73, 0x6b, 0x12, 0x11, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x54, 0x61, 0x73, 0x6b, 0x52,
+	0x65, 0x73, 0x75, 0x6c, 0x74, 0x1a, 0x0e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x52, 0x65,
+	0x63, 0x65, 0x69, 0x70, 0x74, 0x22, 0x00, 0x12, 0x2b, 0x0a, 0x0b, 0x52, 0x65, 0x71, 0x75, 0x65,
+	0x73, 0x74, 0x54, 0x61, 0x73, 0x6b, 0x12, 0x0b, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x48,
+	0x6f, 0x73, 0x74, 0x1a, 0x0b, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x54, 0x61, 0x73, 0x6b,
+	0x22, 0x00, 0x30, 0x01, 0x12, 0x3a, 0x0a, 0x08, 0x49, 0x4f, 0x53, 0x74, 0x72, 0x65, 0x61, 0x6d,
+	0x12, 0x13, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x49, 0x4f, 0x53, 0x74, 0x72, 0x65, 0x61,
+	0x6d, 0x44, 0x61, 0x74, 0x61, 0x1a, 0x13, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x49, 0x4f,
+	0x53, 0x74, 0x72, 0x65, 0x61, 0x6d, 0x44, 0x61, 0x74, 0x61, 0x22, 0x00, 0x28, 0x01, 0x30, 0x01,
+	0x12, 0x2b, 0x0a, 0x0b, 0x4c, 0x6f, 0x6f, 0x6b, 0x75, 0x70, 0x47, 0x65, 0x6f, 0x49, 0x50, 0x12,
+	0x0c, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x47, 0x65, 0x6f, 0x49, 0x50, 0x1a, 0x0c, 0x2e,
+	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x47, 0x65, 0x6f, 0x49, 0x50, 0x22, 0x00, 0x42, 0x09, 0x5a,
+	0x07, 0x2e, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -746,8 +807,8 @@ func file_proto_nezha_proto_rawDescGZIP() []byte {
 	return file_proto_nezha_proto_rawDescData
 }
 
-var file_proto_nezha_proto_msgTypes = make([]protoimpl.MessageInfo, 7)
-var file_proto_nezha_proto_goTypes = []any{
+var file_proto_nezha_proto_msgTypes = make([]protoimpl.MessageInfo, 8)
+var file_proto_nezha_proto_goTypes = []interface{}{
 	(*Host)(nil),                    // 0: proto.Host
 	(*State)(nil),                   // 1: proto.State
 	(*State_SensorTemperature)(nil), // 2: proto.State_SensorTemperature
@@ -755,6 +816,7 @@ var file_proto_nezha_proto_goTypes = []any{
 	(*TaskResult)(nil),              // 4: proto.TaskResult
 	(*Receipt)(nil),                 // 5: proto.Receipt
 	(*IOStreamData)(nil),            // 6: proto.IOStreamData
+	(*GeoIP)(nil),                   // 7: proto.GeoIP
 }
 var file_proto_nezha_proto_depIdxs = []int32{
 	2, // 0: proto.State.temperatures:type_name -> proto.State_SensorTemperature
@@ -763,13 +825,15 @@ var file_proto_nezha_proto_depIdxs = []int32{
 	4, // 3: proto.NezhaService.ReportTask:input_type -> proto.TaskResult
 	0, // 4: proto.NezhaService.RequestTask:input_type -> proto.Host
 	6, // 5: proto.NezhaService.IOStream:input_type -> proto.IOStreamData
-	5, // 6: proto.NezhaService.ReportSystemState:output_type -> proto.Receipt
-	5, // 7: proto.NezhaService.ReportSystemInfo:output_type -> proto.Receipt
-	5, // 8: proto.NezhaService.ReportTask:output_type -> proto.Receipt
-	3, // 9: proto.NezhaService.RequestTask:output_type -> proto.Task
-	6, // 10: proto.NezhaService.IOStream:output_type -> proto.IOStreamData
-	6, // [6:11] is the sub-list for method output_type
-	1, // [1:6] is the sub-list for method input_type
+	7, // 6: proto.NezhaService.LookupGeoIP:input_type -> proto.GeoIP
+	5, // 7: proto.NezhaService.ReportSystemState:output_type -> proto.Receipt
+	5, // 8: proto.NezhaService.ReportSystemInfo:output_type -> proto.Receipt
+	5, // 9: proto.NezhaService.ReportTask:output_type -> proto.Receipt
+	3, // 10: proto.NezhaService.RequestTask:output_type -> proto.Task
+	6, // 11: proto.NezhaService.IOStream:output_type -> proto.IOStreamData
+	7, // 12: proto.NezhaService.LookupGeoIP:output_type -> proto.GeoIP
+	7, // [7:13] is the sub-list for method output_type
+	1, // [1:7] is the sub-list for method input_type
 	1, // [1:1] is the sub-list for extension type_name
 	1, // [1:1] is the sub-list for extension extendee
 	0, // [0:1] is the sub-list for field type_name
@@ -781,7 +845,7 @@ func file_proto_nezha_proto_init() {
 		return
 	}
 	if !protoimpl.UnsafeEnabled {
-		file_proto_nezha_proto_msgTypes[0].Exporter = func(v any, i int) any {
+		file_proto_nezha_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*Host); i {
 			case 0:
 				return &v.state
@@ -793,7 +857,7 @@ func file_proto_nezha_proto_init() {
 				return nil
 			}
 		}
-		file_proto_nezha_proto_msgTypes[1].Exporter = func(v any, i int) any {
+		file_proto_nezha_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*State); i {
 			case 0:
 				return &v.state
@@ -805,7 +869,7 @@ func file_proto_nezha_proto_init() {
 				return nil
 			}
 		}
-		file_proto_nezha_proto_msgTypes[2].Exporter = func(v any, i int) any {
+		file_proto_nezha_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*State_SensorTemperature); i {
 			case 0:
 				return &v.state
@@ -817,7 +881,7 @@ func file_proto_nezha_proto_init() {
 				return nil
 			}
 		}
-		file_proto_nezha_proto_msgTypes[3].Exporter = func(v any, i int) any {
+		file_proto_nezha_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*Task); i {
 			case 0:
 				return &v.state
@@ -829,7 +893,7 @@ func file_proto_nezha_proto_init() {
 				return nil
 			}
 		}
-		file_proto_nezha_proto_msgTypes[4].Exporter = func(v any, i int) any {
+		file_proto_nezha_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*TaskResult); i {
 			case 0:
 				return &v.state
@@ -841,7 +905,7 @@ func file_proto_nezha_proto_init() {
 				return nil
 			}
 		}
-		file_proto_nezha_proto_msgTypes[5].Exporter = func(v any, i int) any {
+		file_proto_nezha_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*Receipt); i {
 			case 0:
 				return &v.state
@@ -853,7 +917,7 @@ func file_proto_nezha_proto_init() {
 				return nil
 			}
 		}
-		file_proto_nezha_proto_msgTypes[6].Exporter = func(v any, i int) any {
+		file_proto_nezha_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*IOStreamData); i {
 			case 0:
 				return &v.state
@@ -865,6 +929,18 @@ func file_proto_nezha_proto_init() {
 				return nil
 			}
 		}
+		file_proto_nezha_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GeoIP); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
@@ -872,7 +948,7 @@ func file_proto_nezha_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_proto_nezha_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   7,
+			NumMessages:   8,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
diff --git a/proto/nezha.proto b/proto/nezha.proto
index da62c9a..b2a3600 100644
--- a/proto/nezha.proto
+++ b/proto/nezha.proto
@@ -9,6 +9,7 @@ service NezhaService {
     rpc ReportTask(TaskResult)returns(Receipt){}
     rpc RequestTask(Host)returns(stream Task){}
     rpc IOStream(stream IOStreamData)returns(stream IOStreamData){}
+    rpc LookupGeoIP(GeoIP)returns(GeoIP){}
 }
 
 message Host {
@@ -22,7 +23,7 @@ message Host {
     string virtualization = 8;
     uint64 boot_time = 9;
     string ip = 10;
-    string country_code = 11;
+    string country_code = 11; // deprecated
     string version = 12;
     repeated string gpu = 13;
 }
@@ -73,3 +74,8 @@ message Receipt{
 message IOStreamData {
     bytes data = 1;
 }
+
+message GeoIP {
+    string ip = 1;
+    string country_code = 2;
+}
\ No newline at end of file
diff --git a/proto/nezha_grpc.pb.go b/proto/nezha_grpc.pb.go
index 2c59636..07543ce 100644
--- a/proto/nezha_grpc.pb.go
+++ b/proto/nezha_grpc.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
 // - protoc-gen-go-grpc v1.3.0
-// - protoc             v5.27.1
+// - protoc             v5.26.1
 // source: proto/nezha.proto
 
 package proto
@@ -24,6 +24,7 @@ const (
 	NezhaService_ReportTask_FullMethodName        = "/proto.NezhaService/ReportTask"
 	NezhaService_RequestTask_FullMethodName       = "/proto.NezhaService/RequestTask"
 	NezhaService_IOStream_FullMethodName          = "/proto.NezhaService/IOStream"
+	NezhaService_LookupGeoIP_FullMethodName       = "/proto.NezhaService/LookupGeoIP"
 )
 
 // NezhaServiceClient is the client API for NezhaService service.
@@ -35,6 +36,7 @@ type NezhaServiceClient interface {
 	ReportTask(ctx context.Context, in *TaskResult, opts ...grpc.CallOption) (*Receipt, error)
 	RequestTask(ctx context.Context, in *Host, opts ...grpc.CallOption) (NezhaService_RequestTaskClient, error)
 	IOStream(ctx context.Context, opts ...grpc.CallOption) (NezhaService_IOStreamClient, error)
+	LookupGeoIP(ctx context.Context, in *GeoIP, opts ...grpc.CallOption) (*GeoIP, error)
 }
 
 type nezhaServiceClient struct {
@@ -135,6 +137,15 @@ func (x *nezhaServiceIOStreamClient) Recv() (*IOStreamData, error) {
 	return m, nil
 }
 
+func (c *nezhaServiceClient) LookupGeoIP(ctx context.Context, in *GeoIP, opts ...grpc.CallOption) (*GeoIP, error) {
+	out := new(GeoIP)
+	err := c.cc.Invoke(ctx, NezhaService_LookupGeoIP_FullMethodName, in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // NezhaServiceServer is the server API for NezhaService service.
 // All implementations should embed UnimplementedNezhaServiceServer
 // for forward compatibility
@@ -144,6 +155,7 @@ type NezhaServiceServer interface {
 	ReportTask(context.Context, *TaskResult) (*Receipt, error)
 	RequestTask(*Host, NezhaService_RequestTaskServer) error
 	IOStream(NezhaService_IOStreamServer) error
+	LookupGeoIP(context.Context, *GeoIP) (*GeoIP, error)
 }
 
 // UnimplementedNezhaServiceServer should be embedded to have forward compatible implementations.
@@ -165,6 +177,9 @@ func (UnimplementedNezhaServiceServer) RequestTask(*Host, NezhaService_RequestTa
 func (UnimplementedNezhaServiceServer) IOStream(NezhaService_IOStreamServer) error {
 	return status.Errorf(codes.Unimplemented, "method IOStream not implemented")
 }
+func (UnimplementedNezhaServiceServer) LookupGeoIP(context.Context, *GeoIP) (*GeoIP, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method LookupGeoIP not implemented")
+}
 
 // UnsafeNezhaServiceServer may be embedded to opt out of forward compatibility for this service.
 // Use of this interface is not recommended, as added methods to NezhaServiceServer will
@@ -278,6 +293,24 @@ func (x *nezhaServiceIOStreamServer) Recv() (*IOStreamData, error) {
 	return m, nil
 }
 
+func _NezhaService_LookupGeoIP_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GeoIP)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(NezhaServiceServer).LookupGeoIP(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: NezhaService_LookupGeoIP_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(NezhaServiceServer).LookupGeoIP(ctx, req.(*GeoIP))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 // NezhaService_ServiceDesc is the grpc.ServiceDesc for NezhaService service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
@@ -297,6 +330,10 @@ var NezhaService_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "ReportTask",
 			Handler:    _NezhaService_ReportTask_Handler,
 		},
+		{
+			MethodName: "LookupGeoIP",
+			Handler:    _NezhaService_LookupGeoIP_Handler,
+		},
 	},
 	Streams: []grpc.StreamDesc{
 		{