diff --git a/fileserver/fileserver.go b/fileserver/fileserver.go
index f5c7c23..db0da89 100644
--- a/fileserver/fileserver.go
+++ b/fileserver/fileserver.go
@@ -45,7 +45,7 @@ var logFp *os.File
 
 var dbType string
 var seafileDB, ccnetDB *sql.DB
-var seahubURL, seahubPK string
+var seahubURL string
 
 func init() {
 	flag.StringVar(&centralDir, "F", "", "central config directory")
@@ -266,37 +266,29 @@ func loadSeafileDB() {
 	dbType = dbEngine
 }
 
-func loadSeahubPK() {
+func loadSeahubConfig() error {
 	confPath := filepath.Join(centralDir, "seahub_settings.py")
 
 	file, err := os.Open(confPath)
 	if err != nil {
 		log.Warnf("Failed to open seahub_settings.py: %v", err)
-		return
+		return err
 	}
 	defer file.Close()
 
 	scanner := bufio.NewScanner(file)
 
-	pkRe, err := regexp.Compile(`SECRET_KEY\\s*=\\s*'([^']*)'`)
+	siteRootExpr := "SITE_ROOT\\s*=\\s*'([^']*)'"
+	siteRootRe, err := regexp.Compile(siteRootExpr)
 	if err != nil {
 		log.Warnf("Failed to compile regex: %v", err)
-		return
-	}
-	siteRootRe, err := regexp.Compile(`SITE_ROOT\\s*=\\s*'([^']*)'`)
-	if err != nil {
-		log.Warnf("Failed to compile regex: %v", err)
-		return
+		return err
 	}
 
 	siteRoot := ""
 	for scanner.Scan() {
 		line := scanner.Text()
-		matches := pkRe.FindStringSubmatch(line)
-		if matches != nil {
-			seahubPK = matches[1]
-		}
-		matches = siteRootRe.FindStringSubmatch(line)
+		matches := siteRootRe.FindStringSubmatch(line)
 		if matches != nil {
 			siteRoot = matches[1]
 		}
@@ -306,6 +298,8 @@ func loadSeahubPK() {
 	} else {
 		seahubURL = ("http://127.0.0.1:8000/api/v2.1/internal/user-list/")
 	}
+
+	return nil
 }
 
 func writePidFile(pid_file_path string) error {
@@ -406,7 +400,9 @@ func main() {
 		fp.Close()
 	}
 
-	loadSeahubPK()
+	if err := loadSeahubConfig(); err != nil {
+		log.Fatalf("Failed to load seahub config: %v", err)
+	}
 
 	repomgr.Init(seafileDB)
 
diff --git a/fileserver/merge.go b/fileserver/merge.go
index c451200..063ce0c 100644
--- a/fileserver/merge.go
+++ b/fileserver/merge.go
@@ -10,7 +10,6 @@ import (
 	"strings"
 	"time"
 
-	jwt "github.com/golang-jwt/jwt/v5"
 	"github.com/haiwen/seafile-server/fileserver/commitmgr"
 	"github.com/haiwen/seafile-server/fileserver/fsmgr"
 	"github.com/haiwen/seafile-server/fileserver/utils"
@@ -381,9 +380,8 @@ func getNickNameByModifier(emailToNickname map[string]string, modifier string) s
 	if ok {
 		return nickname
 	}
-	if seahubPK != "" {
-		nickname = postGetNickName(modifier)
-	}
+
+	nickname = postGetNickName(modifier)
 
 	if nickname == "" {
 		nickname = modifier
@@ -394,32 +392,9 @@ func getNickNameByModifier(emailToNickname map[string]string, modifier string) s
 	return nickname
 }
 
-type SeahubClaims struct {
-	Exp        int64
-	IsInternal bool `json:"is_internal"`
-	jwt.RegisteredClaims
-}
-
-func (*SeahubClaims) Valid() error {
-	return nil
-}
-
 func postGetNickName(modifier string) string {
-	claims := SeahubClaims{
-		time.Now().Add(time.Second * 300).Unix(),
-		true,
-		jwt.RegisteredClaims{},
-	}
-
-	token := jwt.NewWithClaims(jwt.GetSigningMethod("HS256"), &claims)
-	tokenString, err := token.SignedString([]byte(seahubPK))
-	if err != nil {
-		return ""
-	}
-
 	header := map[string][]string{
-		"Authorization": {"Token " + tokenString},
-		"Content-Type":  {"application/json"},
+		"Content-Type": {"application/json"},
 	}
 
 	data, err := json.Marshal(map[string]interface{}{