diff --git a/go.mod b/go.mod
index 5b1a612..da21549 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,6 @@ module github.com/fumiama/go-nd-portal
 go 1.19
 
 require (
-	github.com/FloatTech/floatbox v0.0.0-20221121151328-cac4af114b44
 	github.com/sirupsen/logrus v1.9.0
 	github.com/stretchr/testify v1.7.0
 	golang.org/x/term v0.2.0
@@ -11,9 +10,7 @@ require (
 
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/kr/pretty v0.2.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	golang.org/x/sys v0.2.0 // indirect
-	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
 	gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c // indirect
 )
diff --git a/go.sum b/go.sum
index 8d69b33..f354ed2 100644
--- a/go.sum
+++ b/go.sum
@@ -1,13 +1,6 @@
-github.com/FloatTech/floatbox v0.0.0-20221121151328-cac4af114b44 h1:/Er1NIsb3giFG0rQqA2TO1JkN8TTBDRcmaektAvEfK8=
-github.com/FloatTech/floatbox v0.0.0-20221121151328-cac4af114b44/go.mod h1:DUd62cKBBLBK+8HEABQ6hM2bfZ3TMLOAMKaf1R2w7Pw=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/kr/pretty v0.2.1 h1:Fmg33tUaq4/8ym9TJN1x7sLJnHVwhP33CNkpYV/7rwI=
-github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
-github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
-github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
-github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/sirupsen/logrus v1.9.0 h1:trlNQbNUG3OdDrDil03MCb1H2o9nJ1x4/5LYw7byDE0=
@@ -15,16 +8,12 @@ github.com/sirupsen/logrus v1.9.0/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVs
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-github.com/tidwall/gjson v1.14.3 h1:9jvXn7olKEHU1S9vwoMGliaT8jq1vJ7IH/n9zD9Dnlw=
-github.com/tidwall/match v1.1.1 h1:+Ho715JplO36QYgwN9PGYNhgZvoUSc9X2c80KVTi+GA=
-github.com/tidwall/pretty v1.2.0 h1:RWIZEg2iJ8/g6fDDYzMpobmaoGh5OLl4AXtGUGPcqCs=
 golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.2.0 h1:ljd4t30dBnAvMZaQCevtY0xLLD0A+bRZXbgLMLU1F/A=
 golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.2.0 h1:z85xZCsEl7bi/KwbNADeBYoOP0++7W1ipu+aGnpwzRM=
 golang.org/x/term v0.2.0/go.mod h1:TVmDHMZPmdnySmBfhjOoOdhjzdE1h4u1VwSiw2l1Nuc=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
-gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/portal/portal.go b/portal/portal.go
index 8fc14a4..aacc4de 100644
--- a/portal/portal.go
+++ b/portal/portal.go
@@ -11,7 +11,6 @@ import (
 	"net/url"
 	"time"
 
-	"github.com/FloatTech/floatbox/web"
 	"github.com/sirupsen/logrus"
 
 	"github.com/fumiama/go-nd-portal/helper"
@@ -48,7 +47,7 @@ func NewPortal(name, password string, ipv4 net.IP) (*Portal, error) {
 func (p *Portal) GetChallenge() (string, error) {
 	u := fmt.Sprintf(PortalGetChallenge, "gondportal", url.QueryEscape(p.nam), p.ip, time.Now().UnixMilli())
 	logrus.Debugln("GET", u)
-	data, err := web.RequestDataWith(web.NewDefaultClient(), u, "GET", "", PortalHeaderUA)
+	data, err := requestDataWith(u, "GET", PortalHeaderUA)
 	if err != nil {
 		return "", err
 	}
@@ -80,7 +79,7 @@ func (p *Portal) Login(challenge string) error {
 	hmd5 := p.PasswordHMd5(challenge)
 	u := fmt.Sprintf(PortalLogin, "gondportal", url.QueryEscape(p.nam), hmd5, p.ip, p.CheckSum(challenge, hmd5, info), url.QueryEscape(info), time.Now().UnixMilli())
 	logrus.Debugln("GET", u)
-	data, err := web.RequestDataWith(web.NewDefaultClient(), u, "GET", "", PortalHeaderUA)
+	data, err := requestDataWith(u, "GET", PortalHeaderUA)
 	if err != nil {
 		return err
 	}
diff --git a/portal/web.go b/portal/web.go
new file mode 100644
index 0000000..5aa185a
--- /dev/null
+++ b/portal/web.go
@@ -0,0 +1,35 @@
+package portal
+
+import (
+	"errors"
+	"fmt"
+	"io"
+	"net/http"
+)
+
+var client = &http.Client{}
+
+// requestDataWith 使用自定义请求头获取数据
+func requestDataWith(url, method, ua string) (data []byte, err error) {
+	// 提交请求
+	var request *http.Request
+	request, err = http.NewRequest(method, url, nil)
+	if err == nil {
+		// 增加header选项
+		if ua != "" {
+			request.Header.Add("User-Agent", ua)
+		}
+		var response *http.Response
+		response, err = client.Do(request)
+		if err == nil {
+			if response.StatusCode != http.StatusOK {
+				s := fmt.Sprintf("status code: %d", response.StatusCode)
+				err = errors.New(s)
+				return
+			}
+			data, err = io.ReadAll(response.Body)
+			response.Body.Close()
+		}
+	}
+	return
+}