diff --git a/internal/op/room.go b/internal/op/room.go
index 300df56..b14552d 100644
--- a/internal/op/room.go
+++ b/internal/op/room.go
@@ -2,6 +2,7 @@ package op
 
 import (
 	"errors"
+	"fmt"
 	"hash/crc32"
 	"sync/atomic"
 
@@ -155,6 +156,9 @@ func (r *Room) HasPermission(userID string, permission model.RoomMemberPermissio
 }
 
 func (r *Room) LoadOrCreateRoomMember(userID string) (*model.RoomMember, error) {
+	if r.Settings.DisableJoinNewUser {
+		return r.LoadRoomMember(userID)
+	}
 	member, ok := r.members.Load(userID)
 	if ok {
 		return member, nil
@@ -200,7 +204,7 @@ func (r *Room) LoadRoomMember(userID string) (*model.RoomMember, error) {
 	}
 	member, err := db.GetRoomMemberRelation(r.ID, userID)
 	if err != nil {
-		return nil, err
+		return nil, fmt.Errorf("get room member failed: %w", err)
 	}
 	if r.IsCreator(userID) {
 		member.Role = model.RoomMemberRoleCreator
diff --git a/server/middlewares/auth.go b/server/middlewares/auth.go
index 1a84c9e..e6c960d 100644
--- a/server/middlewares/auth.go
+++ b/server/middlewares/auth.go
@@ -11,6 +11,7 @@ import (
 	"github.com/golang-jwt/jwt/v5"
 	"github.com/sirupsen/logrus"
 	"github.com/synctv-org/synctv/internal/conf"
+	"github.com/synctv-org/synctv/internal/db"
 	"github.com/synctv-org/synctv/internal/op"
 	"github.com/synctv-org/synctv/server/model"
 	"github.com/zijiren233/gencontainer/synccache"
@@ -166,17 +167,17 @@ func NewAuthRoomToken(user *op.User, room *op.Room) (string, error) {
 	if room.IsPending() {
 		return "", errors.New("room is pending, need admin to approve")
 	}
-	if room.Settings.DisableJoinNewUser {
-		if _, err := room.GetRoomMemberPermission(user.ID); err != nil {
-			return "", errors.New("room is not allow new user to join")
+
+	if _, err := room.LoadOrCreateRoomMember(user.ID); err != nil {
+		if errors.Is(err, db.ErrNotFound("")) {
+			return "", fmt.Errorf("this room was disabled join new user")
 		}
-	} else if _, err := room.LoadOrCreateRoomMember(user.ID); err != nil {
-		return "", err
+		return "", fmt.Errorf("load room member failed: %w", err)
 	}
 
 	t, err := time.ParseDuration(conf.Conf.Jwt.Expire)
 	if err != nil {
-		return "", err
+		return "", fmt.Errorf("parse jwt expire failed: %w", err)
 	}
 	claims := &AuthRoomClaims{
 		AuthClaims: AuthClaims{