diff --git a/config/config.go b/config/config.go
index 9ed9bfe..47213ed 100644
--- a/config/config.go
+++ b/config/config.go
@@ -27,5 +27,6 @@ type Config struct {
 	Captcha struct {
 		Type    string
 		SiteKey string
+		Secret  string
 	}
 }
diff --git a/frontend/src/apis/apis.ts b/frontend/src/apis/apis.ts
index ae89470..89b1b00 100644
--- a/frontend/src/apis/apis.ts
+++ b/frontend/src/apis/apis.ts
@@ -15,18 +15,19 @@ export async function login(username: string, password: string) {
     return data as tokenData
 }
 
-export async function register(email: string, username: string, password: string) {
+export async function register(email: string, username: string, password: string, captchaToken: string) {
     const v = await fetch(import.meta.env.VITE_APIADDR + "/api/v1/user/reg", {
-        method: "POST",
+        method: "PUT",
         body: JSON.stringify({
             "Email": email,
             "Password": password,
-            "Name": username
+            "Name": username,
+            "CaptchaToken": captchaToken
         })
     })
     const data = await v.json()
     if (!v.ok) {
-        throw data
+        throw data.msg
     }
     return
 }
\ No newline at end of file
diff --git a/frontend/src/components/TurnstileWidget.tsx b/frontend/src/components/CaptchaWidget.tsx
similarity index 79%
rename from frontend/src/components/TurnstileWidget.tsx
rename to frontend/src/components/CaptchaWidget.tsx
index e221207..98841f4 100644
--- a/frontend/src/components/TurnstileWidget.tsx
+++ b/frontend/src/components/CaptchaWidget.tsx
@@ -11,7 +11,7 @@ interface prop {
     onSuccess: ((token: string) => void)
 }
 
-const TurnstileWidget = memo(({ onSuccess }: prop) => {
+function CaptchaWidget({ onSuccess }: prop) {
     const ref = useRef<TurnstileInstance>(null)
     const [key, setKey] = useState(1)
     const { data, error, isLoading } = useSWR<ApiCaptcha>(import.meta.env.VITE_APIADDR + '/api/v1/captcha')
@@ -21,18 +21,24 @@ const TurnstileWidget = memo(({ onSuccess }: prop) => {
         return <Alert severity="warning">{String(error)}</Alert>
     }
     if (isLoading) {
-        return <Skeleton variant="rectangular" width={210} height={118} />
+        return <Skeleton variant="rectangular" width={300} height={65} />
     }
     if (data?.code != 0) {
         console.warn(error)
         return <Alert severity="warning">{String(data?.msg)}</Alert>
     }
+    if (data.data.type != "turnstile") {
+        onSuccess("ok")
+        return <></>
+    }
     return (
         <>
             <Turnstile siteKey={data?.data.siteKey ?? ""} key={key} onSuccess={onSuccess} ref={ref} scriptOptions={{ async: true }} />
             <Button onClick={() => setKey(key + 1)}>刷新验证码</Button>
         </>
     )
-})
+}
 
-export default TurnstileWidget
\ No newline at end of file
+const CaptchaWidgetMemo = memo(CaptchaWidget)
+
+export default CaptchaWidgetMemo
\ No newline at end of file
diff --git a/frontend/src/views/Register.tsx b/frontend/src/views/Register.tsx
index 34aa619..084dba9 100644
--- a/frontend/src/views/Register.tsx
+++ b/frontend/src/views/Register.tsx
@@ -16,12 +16,13 @@ import Alert from '@mui/material/Alert';
 import Snackbar from '@mui/material/Snackbar';
 import Loading from '@/components/Loading'
 import { useNavigate } from "react-router-dom";
-import TurnstileWidget from '@/components/TurnstileWidget';
+import CaptchaWidget from '@/components/CaptchaWidget';
 
 export default function SignUp() {
     const [regErr, setRegErr] = useState("");
     const [loading, setLoading] = useState(false);
     const navigate = useNavigate();
+    const [captchaToken, setCaptchaToken] = useState("");
 
 
     const checkList = React.useRef<Map<string, refType>>(new Map<string, refType>())
@@ -40,7 +41,11 @@ export default function SignUp() {
             setLoading(false)
             return
         }
-        register(d.email ?? "", d.username ?? "", d.password ?? "").
+        if (captchaToken == "") {
+            setLoading(false)
+            setRegErr("验证码无效")
+        }
+        register(d.email ?? "", d.username ?? "", d.password ?? "", captchaToken).
             then(() => navigate("/login")).
             catch(v => [setRegErr(String(v)), console.warn(v)]).
             finally(() => setLoading(false))
@@ -121,7 +126,7 @@ export default function SignUp() {
                             />
                         </Grid>
                         <Grid item xs={12}>
-                            <TurnstileWidget onSuccess={v => console.log(v)} />
+                            <CaptchaWidget onSuccess={setCaptchaToken} />
                         </Grid>
                     </Grid>
                     <Button
diff --git a/handle/user.go b/handle/user.go
index ef51419..9d292bc 100644
--- a/handle/user.go
+++ b/handle/user.go
@@ -1,6 +1,7 @@
 package handle
 
 import (
+	"encoding/json"
 	"errors"
 	"fmt"
 	"net/http"
@@ -17,19 +18,26 @@ func (h *Handel) Reg() httprouter.Handle {
 	return func(w http.ResponseWriter, r *http.Request, p httprouter.Params) {
 		ctx := r.Context()
 
+		ip, err := utils.GetIP(r, h.config.RaelIP)
+		if err != nil {
+			h.logger.InfoContext(ctx, err.Error())
+			handleError(ctx, w, err.Error(), model.ErrInput, 400)
+			return
+		}
+
 		u, err := utils.DeCodeBody[model.User](r.Body, h.validate)
 		if err != nil {
 			h.logger.InfoContext(ctx, err.Error())
 			handleError(ctx, w, err.Error(), model.ErrInput, 400)
 			return
 		}
-		rip, err := getPrefix(r, h.config.RaelIP)
+		rip, err := getPrefix(ip)
 		if err != nil {
 			h.logger.WarnContext(ctx, err.Error())
 			handleError(ctx, w, err.Error(), model.ErrUnknown, 500)
 			return
 		}
-		err = h.webService.Reg(ctx, u, rip)
+		err = h.webService.Reg(ctx, u, rip, ip)
 		if err != nil {
 			if errors.Is(err, service.ErrExistUser) {
 				h.logger.DebugContext(ctx, err.Error())
@@ -45,14 +53,16 @@ func (h *Handel) Reg() httprouter.Handle {
 			handleError(ctx, w, err.Error(), model.ErrService, 500)
 			return
 		}
+		json.NewEncoder(w).Encode(model.API[any]{
+			Code: 0,
+			Data: nil,
+			Msg:  "",
+		})
+
 	}
 }
 
-func getPrefix(r *http.Request, fromHeader bool) (string, error) {
-	ip, err := utils.GetIP(r, fromHeader)
-	if err != nil {
-		return "", fmt.Errorf("getPrefix: %w", err)
-	}
+func getPrefix(ip string) (string, error) {
 	ipa, err := netip.ParseAddr(ip)
 	if err != nil {
 		return "", fmt.Errorf("getPrefix: %w", err)
diff --git a/model/model.go b/model/model.go
index 8fdee75..f55d526 100644
--- a/model/model.go
+++ b/model/model.go
@@ -9,9 +9,10 @@ type API[T any] struct {
 }
 
 type User struct {
-	Email    string `validate:"required,email"`
-	Password string `validate:"required,min=6,max=50"`
-	Name     string `validate:"required,min=3,max=16"`
+	Email        string `validate:"required,email"`
+	Password     string `validate:"required,min=6,max=50"`
+	Name         string `validate:"required,min=3,max=16"`
+	CaptchaToken string
 }
 
 type TokenClaims struct {
diff --git a/server/provide.go b/server/provide.go
index 1c0b8f1..42d6e73 100644
--- a/server/provide.go
+++ b/server/provide.go
@@ -6,6 +6,7 @@ import (
 	"database/sql"
 	"fmt"
 	"log/slog"
+	"net/http"
 	"os"
 
 	entsql "entgo.io/ent/dialect/sql"
@@ -96,4 +97,8 @@ func ProvidePubKey(pri *rsa.PrivateKey) (yggdrasil.PubRsaKey, error) {
 	return yggdrasil.PubRsaKey(s), nil
 }
 
-var Set = wire.NewSet(ProvideSlog, ProvideDB, ProvideEnt, ProvideValidate, ProvideCache, ProvidePriKey, ProvidePubKey)
+func ProvideHttpClient() *http.Client {
+	return &http.Client{}
+}
+
+var Set = wire.NewSet(ProvideSlog, ProvideDB, ProvideEnt, ProvideValidate, ProvideCache, ProvidePriKey, ProvidePubKey, ProvideHttpClient)
diff --git a/server/wire_gen.go b/server/wire_gen.go
index bd30c2e..bf8e827 100644
--- a/server/wire_gen.go
+++ b/server/wire_gen.go
@@ -51,7 +51,8 @@ func InitializeRoute(ctx context.Context, c config.Config) (*http.Server, func()
 		return nil, nil, err
 	}
 	yggdrasil3 := yggdrasil2.NewYggdrasil(logger, validate, yggdrasilYggdrasil, c, pubRsaKey)
-	webService := service.NewWebService(c, client)
+	httpClient := ProvideHttpClient()
+	webService := service.NewWebService(c, client, httpClient)
 	handel := handle.NewHandel(webService, validate, c, logger)
 	router, err := route.NewRoute(yggdrasil3, handel)
 	if err != nil {
diff --git a/service/captcha.go b/service/captcha.go
index 9e02e7e..d8f0cc9 100644
--- a/service/captcha.go
+++ b/service/captcha.go
@@ -1,7 +1,12 @@
 package service
 
 import (
+	"bytes"
 	"context"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"strings"
 
 	"github.com/xmdhs/authlib-skin/model"
 )
@@ -12,3 +17,58 @@ func (w *WebService) GetCaptcha(ctx context.Context) model.Captcha {
 		SiteKey: w.config.Captcha.SiteKey,
 	}
 }
+
+type turnstileRet struct {
+	Success    bool     `json:"success"`
+	ErrorCodes []string `json:"error-codes"`
+}
+
+type ErrTurnstile struct {
+	ErrorCodes []string
+}
+
+func (e ErrTurnstile) Error() string {
+	return strings.Join(e.ErrorCodes, " ")
+}
+
+func (w *WebService) verifyTurnstile(ctx context.Context, token, ip string) error {
+	bw := &bytes.Buffer{}
+	err := json.NewEncoder(bw).Encode(turnstileResponse{
+		Secret:   w.config.Captcha.Secret,
+		Response: token,
+		Remoteip: ip,
+	})
+	if err != nil {
+		return fmt.Errorf("verifyTurnstile: %w", err)
+	}
+	reqs, err := http.NewRequestWithContext(ctx, "POST", "https://challenges.cloudflare.com/turnstile/v0/siteverify", bw)
+	if err != nil {
+		return fmt.Errorf("verifyTurnstile: %w", err)
+	}
+	reqs.Header.Set("Accept", "*/*")
+	reqs.Header.Set("Content-Type", "application/json")
+	rep, err := w.httpClient.Do(reqs)
+	if err != nil {
+		return fmt.Errorf("verifyTurnstile: %w", err)
+	}
+	defer rep.Body.Close()
+
+	var t turnstileRet
+	err = json.NewDecoder(rep.Body).Decode(&t)
+	if err != nil {
+		return fmt.Errorf("verifyTurnstile: %w", err)
+	}
+
+	if !t.Success {
+		return fmt.Errorf("verifyTurnstile: %w", ErrTurnstile{
+			ErrorCodes: t.ErrorCodes,
+		})
+	}
+	return nil
+}
+
+type turnstileResponse struct {
+	Secret   string `json:"secret"`
+	Response string `json:"response"`
+	Remoteip string `json:"remoteip"`
+}
diff --git a/service/user.go b/service/user.go
index 5331024..4590083 100644
--- a/service/user.go
+++ b/service/user.go
@@ -21,17 +21,23 @@ var (
 	ErrRegLimit  = errors.New("超过注册 ip 限制")
 )
 
-func (w *WebService) Reg(ctx context.Context, u model.User, ip string) error {
+func (w *WebService) Reg(ctx context.Context, u model.User, ipPrefix, ip string) error {
 	var userUuid string
 	if w.config.OfflineUUID {
 		userUuid = utils.UUIDGen(u.Name)
 	} else {
 		userUuid = strings.ReplaceAll(uuid.New().String(), "-", "")
 	}
-	p, s := utils.Argon2ID(u.Password)
+
+	if w.config.Captcha.Type == "turnstile" {
+		err := w.verifyTurnstile(ctx, u.CaptchaToken, ip)
+		if err != nil {
+			return fmt.Errorf("Reg: %w", err)
+		}
+	}
 
 	if w.config.MaxIpUser != 0 {
-		c, err := w.client.User.Query().Where(user.RegIPEQ(ip)).Count(ctx)
+		c, err := w.client.User.Query().Where(user.RegIPEQ(ipPrefix)).Count(ctx)
 		if err != nil {
 			return fmt.Errorf("Reg: %w", err)
 		}
@@ -40,6 +46,8 @@ func (w *WebService) Reg(ctx context.Context, u model.User, ip string) error {
 		}
 	}
 
+	p, s := utils.Argon2ID(u.Password)
+
 	err := utils.WithTx(ctx, w.client, func(tx *ent.Tx) error {
 		count, err := tx.User.Query().Where(user.EmailEQ(u.Email)).ForUpdate().Count(ctx)
 		if err != nil {
@@ -60,7 +68,7 @@ func (w *WebService) Reg(ctx context.Context, u model.User, ip string) error {
 			SetPassword(p).
 			SetSalt(s).
 			SetRegTime(time.Now().Unix()).
-			SetRegIP(ip).
+			SetRegIP(ipPrefix).
 			SetState(0).Save(ctx)
 		if err != nil {
 			return err
diff --git a/service/web.go b/service/web.go
index 0981599..2aa34e5 100644
--- a/service/web.go
+++ b/service/web.go
@@ -1,18 +1,22 @@
 package service
 
 import (
+	"net/http"
+
 	"github.com/xmdhs/authlib-skin/config"
 	"github.com/xmdhs/authlib-skin/db/ent"
 )
 
 type WebService struct {
-	config config.Config
-	client *ent.Client
+	config     config.Config
+	client     *ent.Client
+	httpClient *http.Client
 }
 
-func NewWebService(c config.Config, e *ent.Client) *WebService {
+func NewWebService(c config.Config, e *ent.Client, hc *http.Client) *WebService {
 	return &WebService{
-		config: c,
-		client: e,
+		config:     c,
+		client:     e,
+		httpClient: hc,
 	}
 }