diff --git a/tracemap/tracemap.go b/tracemap/tracemap.go
index 6151215..89d2337 100644
--- a/tracemap/tracemap.go
+++ b/tracemap/tracemap.go
@@ -1,21 +1,60 @@
 package tracemap
 
 import (
+	"crypto/tls"
 	"errors"
 	"fmt"
 	"github.com/fatih/color"
+	"github.com/xgadget-lab/nexttrace/config"
+	"github.com/xgadget-lab/nexttrace/util"
 	"io"
+	"net"
 	"net/http"
+	"net/url"
+	"runtime"
 	"strings"
+	"time"
 )
 
 func GetMapUrl(r string) (string, error) {
-	url := "https://api.leo.moe/tracemap/api"
-	resp, err := http.Post(url, "application/json", strings.NewReader(r))
+	host, port := util.GetHostAndPort()
+	fastIp := "api.leo.moe"
+	// 如果 host 是一个 IP 使用默认域名
+	if valid := net.ParseIP(host); valid != nil {
+		host = "api.leo.moe"
+	} else {
+		// 默认配置完成，开始寻找最优 IP
+		fastIp = util.GetFastIP(host, port, false)
+	}
+	u := url.URL{Scheme: "https", Host: fastIp + ":" + port, Path: "/tracemap/api"}
+	tracemapUrl := u.String()
+	tracemapUrl = "https://api.leo.moe/tracemap/api"
+
+	client := &http.Client{
+		Timeout: 5 * time.Second,
+		Transport: &http.Transport{
+			TLSClientConfig: &tls.Config{
+				ServerName: host,
+			},
+		},
+	}
+	req, err := http.NewRequest("POST", tracemapUrl, strings.NewReader(r))
 	if err != nil {
 		return "", errors.New("an issue occurred while connecting to the tracemap API")
 	}
-	defer resp.Body.Close()
+	req.Header.Add("User-Agent", fmt.Sprintf("NextTrace %s/%s/%s", config.Version, runtime.GOOS, runtime.GOARCH))
+	req.Host = host
+	req.Header.Add("Content-Type", "application/json")
+	resp, err := client.Do(req)
+	if err != nil {
+		return "", errors.New("an issue occurred while connecting to the tracemap API")
+	}
+	defer func(Body io.ReadCloser) {
+		err := Body.Close()
+		if err != nil {
+			return
+		}
+	}(resp.Body)
 	body, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return "", errors.New("an issue occurred while connecting to the tracemap API")
diff --git a/util/latency.go b/util/latency.go
index 58e81c4..c54e483 100644
--- a/util/latency.go
+++ b/util/latency.go
@@ -29,7 +29,6 @@ func GetFastIP(domain string, port string, enableOutput bool) string {
 	select {
 	case result = <-results:
 	case <-time.After(1 * time.Second):
-
 	}
 	if result == "" {
 		log.Fatal("IP connection has been timeout, please check your network")
diff --git a/wshandle/client.go b/wshandle/client.go
index 81c4f94..f05c738 100644
--- a/wshandle/client.go
+++ b/wshandle/client.go
@@ -163,14 +163,13 @@ func createWsConn() *WsConn {
 	interrupt := make(chan os.Signal, 1)
 	signal.Notify(interrupt, os.Interrupt)
 	host, port = util.GetHostAndPort()
-	// 默认配置完成，开始寻找最优 IP
-	fastIp = util.GetFastIP(host, port, true)
-
 	// 如果 host 是一个 IP 使用默认域名
 	if valid := net.ParseIP(host); valid != nil {
 		host = "api.leo.moe"
+	} else {
+		// 默认配置完成，开始寻找最优 IP
+		fastIp = util.GetFastIP(host, port, true)
 	}
-
 	jwtToken, ua := envToken, []string{"Privileged Client"}
 	err := error(nil)
 	if envToken == "" {