diff --git a/hrp/internal/builtin/utils.go b/hrp/internal/builtin/utils.go
index 4d5fefdc..18b60a93 100644
--- a/hrp/internal/builtin/utils.go
+++ b/hrp/internal/builtin/utils.go
@@ -3,6 +3,8 @@ package builtin
 import (
 	"bufio"
 	"bytes"
+	"crypto/hmac"
+	"crypto/sha256"
 	"encoding/binary"
 	"encoding/csv"
 	builtinJSON "encoding/json"
@@ -15,6 +17,7 @@ import (
 	"reflect"
 	"strconv"
 	"strings"
+	"time"
 
 	"github.com/pkg/errors"
 	"github.com/rs/zerolog/log"
@@ -565,3 +568,18 @@ func SplitInteger(m, n int) (ints []int) {
 	}
 	return
 }
+
+func sha256HMAC(key []byte, data []byte) []byte {
+	mac := hmac.New(sha256.New, key)
+	mac.Write(data)
+	return []byte(fmt.Sprintf("%x", mac.Sum(nil)))
+}
+
+// ver: auth-v1or auth-v2
+func Sign(ver string, ak string, sk string, body []byte) string {
+	expiration := 1800
+	signKeyInfo := fmt.Sprintf("%s/%s/%d/%d", ver, ak, time.Now().Unix(), expiration)
+	signKey := sha256HMAC([]byte(sk), []byte(signKeyInfo))
+	signResult := sha256HMAC(signKey, body)
+	return fmt.Sprintf("%v/%v", signKeyInfo, string(signResult))
+}
diff --git a/hrp/internal/env/env.go b/hrp/internal/env/env.go
index c69ca633..4fbb84e0 100644
--- a/hrp/internal/env/env.go
+++ b/hrp/internal/env/env.go
@@ -5,6 +5,8 @@ import "os"
 var (
 	WDA_USB_DRIVER = os.Getenv("WDA_USB_DRIVER")
 	VEDEM_OCR_URL  = os.Getenv("VEDEM_OCR_URL")
+	VEDEM_OCR_AK   = os.Getenv("VEDEM_OCR_AK")
+	VEDEM_OCR_SK   = os.Getenv("VEDEM_OCR_SK")
 	DISABLE_GA     = os.Getenv("DISABLE_GA")
 	DISABLE_SENTRY = os.Getenv("DISABLE_SENTRY")
 	PYPI_INDEX_URL = os.Getenv("PYPI_INDEX_URL")
diff --git a/hrp/pkg/uixt/ocr_vedem.go b/hrp/pkg/uixt/ocr_vedem.go
index 5ca2ef37..f160c274 100644
--- a/hrp/pkg/uixt/ocr_vedem.go
+++ b/hrp/pkg/uixt/ocr_vedem.go
@@ -13,6 +13,7 @@ import (
 
 	"github.com/rs/zerolog/log"
 
+	"github.com/httprunner/httprunner/v4/hrp/internal/builtin"
 	"github.com/httprunner/httprunner/v4/hrp/internal/env"
 	"github.com/httprunner/httprunner/v4/hrp/internal/json"
 )
@@ -64,6 +65,9 @@ func (s *veDEMOCRService) getOCRResult(imageBuf []byte) ([]OCRResult, error) {
 		return nil, fmt.Errorf("construct request error: %v", err)
 	}
 
+	token := builtin.Sign("auth-v2", env.VEDEM_OCR_AK, env.VEDEM_OCR_SK, bodyBuf.Bytes())
+
+	req.Header.Add("Agw-Auth", token)
 	req.Header.Add("Content-Type", bodyWriter.FormDataContentType())
 	resp, err := client.Do(req)
 	if err != nil {
diff --git a/hrp/step_mobile_ui.go b/hrp/step_mobile_ui.go
index 9a9d8d61..64e22f65 100644
--- a/hrp/step_mobile_ui.go
+++ b/hrp/step_mobile_ui.go
@@ -575,7 +575,6 @@ func runStepMobileUI(s *SessionRunner, step *TStep) (stepResult *StepResult, err
 
 	// init wda/uia driver
 	uiDriver, err := s.hrpRunner.initUIClient(mobileStep.Serial, osType)
-
 	if err != nil {
 		return
 	}