diff --git a/drivers/123/util.go b/drivers/123/util.go
index c9ddb5c7..e9eb6337 100644
--- a/drivers/123/util.go
+++ b/drivers/123/util.go
@@ -1,14 +1,10 @@
 package _123
 
 import (
-	"crypto/md5"
 	"errors"
 	"fmt"
-	"math/rand"
 	"net/http"
-	"net/url"
 	"strconv"
-	"time"
 
 	"github.com/alist-org/alist/v3/drivers/base"
 	"github.com/alist-org/alist/v3/pkg/utils"
@@ -19,9 +15,10 @@ import (
 // do others that not defined in Driver interface
 
 const (
+	Api              = "https://www.123pan.com/api"
 	AApi             = "https://www.123pan.com/a/api"
 	BApi             = "https://www.123pan.com/b/api"
-	MainApi          = BApi
+	MainApi          = Api
 	SignIn           = MainApi + "/user/sign_in"
 	Logout           = MainApi + "/user/logout"
 	UserInfo         = MainApi + "/user/info"
@@ -37,7 +34,7 @@ const (
 	S3Auth           = MainApi + "/file/s3_upload_object/auth"
 	UploadCompleteV2 = MainApi + "/file/upload_complete/v2"
 	S3Complete       = MainApi + "/file/s3_complete_multipart_upload"
-	AuthKeySalt      = "8-8D$sL8gPjom7bk#cY"
+	//AuthKeySalt      = "8-8D$sL8gPjom7bk#cY"
 )
 
 func (d *Pan123) login() error {
@@ -59,9 +56,10 @@ func (d *Pan123) login() error {
 		SetHeaders(map[string]string{
 			"origin":      "https://www.123pan.com",
 			"referer":     "https://www.123pan.com/",
-			"platform":    "web",
-			"app-version": "3",
-			"user-agent":  base.UserAgent,
+			"user-agent":  "Dart/2.19(dart:io)",
+			"platform":    "android",
+			"app-version": "36",
+			//"user-agent":  base.UserAgent,
 		}).
 		SetBody(body).Post(SignIn)
 	if err != nil {
@@ -75,19 +73,19 @@ func (d *Pan123) login() error {
 	return err
 }
 
-func authKey(reqUrl string) (*string, error) {
-	reqURL, err := url.Parse(reqUrl)
-	if err != nil {
-		return nil, err
-	}
-
-	nowUnix := time.Now().Unix()
-	random := rand.Intn(0x989680)
-
-	p4 := fmt.Sprintf("%d|%d|%s|%s|%s|%s", nowUnix, random, reqURL.Path, "web", "3", AuthKeySalt)
-	authKey := fmt.Sprintf("%d-%d-%x", nowUnix, random, md5.Sum([]byte(p4)))
-	return &authKey, nil
-}
+//func authKey(reqUrl string) (*string, error) {
+//	reqURL, err := url.Parse(reqUrl)
+//	if err != nil {
+//		return nil, err
+//	}
+//
+//	nowUnix := time.Now().Unix()
+//	random := rand.Intn(0x989680)
+//
+//	p4 := fmt.Sprintf("%d|%d|%s|%s|%s|%s", nowUnix, random, reqURL.Path, "web", "3", AuthKeySalt)
+//	authKey := fmt.Sprintf("%d-%d-%x", nowUnix, random, md5.Sum([]byte(p4)))
+//	return &authKey, nil
+//}
 
 func (d *Pan123) request(url string, method string, callback base.ReqCallback, resp interface{}) ([]byte, error) {
 	req := base.RestyClient.R()
@@ -95,9 +93,10 @@ func (d *Pan123) request(url string, method string, callback base.ReqCallback, r
 		"origin":        "https://www.123pan.com",
 		"referer":       "https://www.123pan.com/",
 		"authorization": "Bearer " + d.AccessToken,
-		"platform":      "web",
-		"app-version":   "3",
-		"user-agent":    base.UserAgent,
+		"user-agent":    "Dart/2.19(dart:io)",
+		"platform":      "android",
+		"app-version":   "36",
+		//"user-agent":    base.UserAgent,
 	})
 	if callback != nil {
 		callback(req)
@@ -105,11 +104,11 @@ func (d *Pan123) request(url string, method string, callback base.ReqCallback, r
 	if resp != nil {
 		req.SetResult(resp)
 	}
-	authKey, err := authKey(url)
-	if err != nil {
-		return nil, err
-	}
-	req.SetQueryParam("auth-key", *authKey)
+	//authKey, err := authKey(url)
+	//if err != nil {
+	//	return nil, err
+	//}
+	//req.SetQueryParam("auth-key", *authKey)
 	res, err := req.Execute(method, url)
 	if err != nil {
 		return nil, err