diff --git a/go.mod b/go.mod
index e8afe0e7..5bc953fb 100644
--- a/go.mod
+++ b/go.mod
@@ -3,6 +3,8 @@ module github.com/alist-org/alist/v3
 go 1.23.4
 
 require (
+	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.17.0
+	github.com/Azure/azure-sdk-for-go/sdk/storage/azblob v1.6.0
 	github.com/KirCute/ftpserverlib-pasvportmap v1.25.0
 	github.com/KirCute/sftpd-alist v0.0.12
 	github.com/ProtonMail/go-crypto v1.0.0
@@ -79,11 +81,7 @@ require (
 	gorm.io/gorm v1.25.11
 )
 
-require (
-	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.17.0 // indirect
-	github.com/Azure/azure-sdk-for-go/sdk/internal v1.10.0 // indirect
-	github.com/Azure/azure-sdk-for-go/sdk/storage/azblob v1.6.0 // indirect
-)
+require github.com/Azure/azure-sdk-for-go/sdk/internal v1.10.0 // indirect
 
 require (
 	github.com/STARRY-S/zip v0.2.1 // indirect
@@ -109,7 +107,6 @@ require (
 	github.com/ipfs/boxo v0.12.0 // indirect
 	github.com/jackc/puddle/v2 v2.2.1 // indirect
 	github.com/klauspost/pgzip v1.2.6 // indirect
-	github.com/kr/text v0.2.0 // indirect
 	github.com/matoous/go-nanoid/v2 v2.1.0 // indirect
 	github.com/microcosm-cc/bluemonday v1.0.27
 	github.com/nwaples/rardecode/v2 v2.0.0-beta.4.0.20241112120701-034e449c6e78
diff --git a/go.sum b/go.sum
index 6fbaeb2b..a9faa92f 100644
--- a/go.sum
+++ b/go.sum
@@ -21,10 +21,16 @@ cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0Zeo
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 github.com/Azure/azure-sdk-for-go/sdk/azcore v1.17.0 h1:g0EZJwz7xkXQiZAI5xi9f3WWFYBlX1CPTrR+NDToRkQ=
 github.com/Azure/azure-sdk-for-go/sdk/azcore v1.17.0/go.mod h1:XCW7KnZet0Opnr7HccfUw1PLc4CjHqpcaxW8DHklNkQ=
+github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.8.0 h1:B/dfvscEQtew9dVuoxqxrUKKv8Ih2f55PydknDamU+g=
+github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.8.0/go.mod h1:fiPSssYvltE08HJchL04dOy+RD4hgrjph0cwGGMntdI=
 github.com/Azure/azure-sdk-for-go/sdk/internal v1.10.0 h1:ywEEhmNahHBihViHepv3xPBn1663uRv2t2q/ESv9seY=
 github.com/Azure/azure-sdk-for-go/sdk/internal v1.10.0/go.mod h1:iZDifYGJTIgIIkYRNWPENUnqx6bJ2xnSDFI2tjwZNuY=
+github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/storage/armstorage v1.6.0 h1:PiSrjRPpkQNjrM8H0WwKMnZUdu1RGMtd/LdGKUrOo+c=
+github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/storage/armstorage v1.6.0/go.mod h1:oDrbWx4ewMylP7xHivfgixbfGBT6APAwsSoHRKotnIc=
 github.com/Azure/azure-sdk-for-go/sdk/storage/azblob v1.6.0 h1:UXT0o77lXQrikd1kgwIPQOUect7EoR/+sbP4wQKdzxM=
 github.com/Azure/azure-sdk-for-go/sdk/storage/azblob v1.6.0/go.mod h1:cTvi54pg19DoT07ekoeMgE/taAwNtCShVeZqA+Iv2xI=
+github.com/AzureAD/microsoft-authentication-library-for-go v1.3.2 h1:kYRSnvJju5gYVyhkij+RTJ/VR6QIUaCfWeaFm2ycsjQ=
+github.com/AzureAD/microsoft-authentication-library-for-go v1.3.2/go.mod h1:wP83P5OoQ5p6ip3ScPr0BAq0BvuPAvacpEuSzyouqAI=
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
@@ -172,7 +178,6 @@ github.com/coreos/go-semver v0.3.1/go.mod h1:irMmmIw/7yzSRPWryHsK7EYSg09caPQL03V
 github.com/cpuguy83/go-md2man/v2 v2.0.4/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/crackcomm/go-gitignore v0.0.0-20170627025303-887ab5e44cc3 h1:HVTnpeuvF6Owjd5mniCL8DEXo7uYXdQEmOP4FJbV5tg=
 github.com/crackcomm/go-gitignore v0.0.0-20170627025303-887ab5e44cc3/go.mod h1:p1d6YEZWvFzEh4KLyvBcVSnrfNDDvK2zfK/4x2v/4pE=
-github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=
@@ -398,6 +403,8 @@ github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
+github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc=
+github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw=
 github.com/larksuite/oapi-sdk-go/v3 v3.3.1 h1:DLQQEgHUAGZB6RVlceB1f6A94O206exxW2RIMH+gMUc=
 github.com/larksuite/oapi-sdk-go/v3 v3.3.1/go.mod h1:ZEplY+kwuIrj/nqw5uSCINNATcH3KdxSN7y+UxYY5fI=
 github.com/leodido/go-urn v1.4.0 h1:WT9HwE9SGECu3lg4d/dIA+jxlljEa1/ffXKmRjqdmIQ=
@@ -492,6 +499,8 @@ github.com/pelletier/go-toml/v2 v2.2.2 h1:aYUidT7k73Pcl9nb2gScu7NSrKCSHIDE89b3+6
 github.com/pelletier/go-toml/v2 v2.2.2/go.mod h1:1t835xjRzz80PqgE6HHgN2JOsmgYu/h4qDAS4n929Rs=
 github.com/pierrec/lz4/v4 v4.1.21 h1:yOVMLb6qSIDP67pl/5F7RepeKYu/VmTyEXvuMI5d9mQ=
 github.com/pierrec/lz4/v4 v4.1.21/go.mod h1:gZWDp/Ze/IJXGXf23ltt2EXimqmTUXEy0GFuRQyBid4=
+github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c h1:+mdjkGKdHQG3305AYmdv1U2eRNDiU2ErMBj1gwrq8eQ=
+github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c/go.mod h1:7rwL4CYBLnjLxUqIJNnCWiEdr3bn6IUYi15bNlnbCCU=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
@@ -739,8 +748,6 @@ golang.org/x/net v0.15.0/go.mod h1:idbUs1IY1+zTqbi8yxTbhexhEEk5ur9LInksu6HrEpk=
 golang.org/x/net v0.21.0/go.mod h1:bIjVDfnllIU7BJ2DNgfnXvpSvtn8VRwhlsaeUTyUS44=
 golang.org/x/net v0.25.0/go.mod h1:JkAGAh7GEvH74S6FOH42FLoXpXbE/aqXSrIQjXgsiwM=
 golang.org/x/net v0.27.0/go.mod h1:dDi0PyhWNoiUOrAS8uXv/vnScO4wnHQO4mj9fn/RytE=
-golang.org/x/net v0.37.0 h1:1zLorHbz+LYj7MQlSf1+2tPIIgibq2eL5xkrGk6f+2c=
-golang.org/x/net v0.37.0/go.mod h1:ivrbrMbzFq5J41QOQh0siUuly180yBYtLp+CKbEaFx8=
 golang.org/x/net v0.38.0 h1:vRMAPTMaeGqVhG5QyLJHqNDwecKTomGeqbnfZyKlBI8=
 golang.org/x/net v0.38.0/go.mod h1:ivrbrMbzFq5J41QOQh0siUuly180yBYtLp+CKbEaFx8=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
diff --git a/internal/bootstrap/data/setting.go b/internal/bootstrap/data/setting.go
index e00abf2d..39c3b1be 100644
--- a/internal/bootstrap/data/setting.go
+++ b/internal/bootstrap/data/setting.go
@@ -2,6 +2,7 @@ package data
 
 import (
 	"strconv"
+	"strings"
 
 	"github.com/alist-org/alist/v3/cmd/flags"
 	"github.com/alist-org/alist/v3/internal/conf"
@@ -91,6 +92,21 @@ func InitialSettings() []model.SettingItem {
 	} else {
 		token = random.Token()
 	}
+	roles, _, err := op.GetRoles(1, model.MaxInt)
+	if err != nil {
+		utils.Log.Fatalf("failed get roles: %+v", err)
+	}
+	roleNames := make([]string, len(roles))
+	defaultRoleID := ""
+	for i, role := range roles {
+		roleNames[i] = role.Name
+		if role.Name == "guest" {
+			defaultRoleID = strconv.Itoa(int(role.ID))
+		}
+	}
+	if defaultRoleID == "" && len(roles) > 0 {
+		defaultRoleID = strconv.Itoa(int(roles[0].ID))
+	}
 	initialSettingItems = []model.SettingItem{
 		// site settings
 		{Key: conf.VERSION, Value: conf.Version, Type: conf.TypeString, Group: model.SITE, Flag: model.READONLY},
@@ -103,6 +119,8 @@ func InitialSettings() []model.SettingItem {
 		{Key: conf.AllowIndexed, Value: "false", Type: conf.TypeBool, Group: model.SITE},
 		{Key: conf.AllowMounted, Value: "true", Type: conf.TypeBool, Group: model.SITE},
 		{Key: conf.RobotsTxt, Value: "User-agent: *\nAllow: /", Type: conf.TypeText, Group: model.SITE},
+		{Key: conf.AllowRegister, Value: "false", Type: conf.TypeBool, Group: model.SITE},
+		{Key: conf.DefaultRole, Value: defaultRoleID, Type: conf.TypeSelect, Options: strings.Join(roleNames, ","), Group: model.SITE},
 		// newui settings
 		{Key: conf.UseNewui, Value: "false", Type: conf.TypeBool, Group: model.SITE},
 		// style settings
diff --git a/internal/conf/const.go b/internal/conf/const.go
index 48ac2037..0bf0cd67 100644
--- a/internal/conf/const.go
+++ b/internal/conf/const.go
@@ -10,13 +10,15 @@ const (
 
 const (
 	// site
-	VERSION      = "version"
-	SiteTitle    = "site_title"
-	Announcement = "announcement"
-	AllowIndexed = "allow_indexed"
-	AllowMounted = "allow_mounted"
-	RobotsTxt    = "robots_txt"
-	UseNewui     = "use_newui"
+	VERSION       = "version"
+	SiteTitle     = "site_title"
+	Announcement  = "announcement"
+	AllowIndexed  = "allow_indexed"
+	AllowMounted  = "allow_mounted"
+	RobotsTxt     = "robots_txt"
+	AllowRegister = "allow_register"
+	DefaultRole   = "default_role"
+	UseNewui      = "use_newui"
 
 	Logo      = "logo"
 	Favicon   = "favicon"
diff --git a/internal/db/role.go b/internal/db/role.go
index e6d0d956..ae62a8ed 100644
--- a/internal/db/role.go
+++ b/internal/db/role.go
@@ -35,11 +35,27 @@ func GetRoles(pageIndex, pageSize int) (roles []model.Role, count int64, err err
 }
 
 func CreateRole(r *model.Role) error {
-	return errors.WithStack(db.Create(r).Error)
+	if err := db.Create(r).Error; err != nil {
+		return errors.WithStack(err)
+	}
+	if r.Default {
+		if err := db.Model(&model.Role{}).Where("id <> ?", r.ID).Update("default", false).Error; err != nil {
+			return errors.WithStack(err)
+		}
+	}
+	return nil
 }
 
 func UpdateRole(r *model.Role) error {
-	return errors.WithStack(db.Save(r).Error)
+	if err := db.Save(r).Error; err != nil {
+		return errors.WithStack(err)
+	}
+	if r.Default {
+		if err := db.Model(&model.Role{}).Where("id <> ?", r.ID).Update("default", false).Error; err != nil {
+			return errors.WithStack(err)
+		}
+	}
+	return nil
 }
 
 func DeleteRole(id uint) error {
diff --git a/internal/model/role.go b/internal/model/role.go
index ecc9aee2..87855551 100644
--- a/internal/model/role.go
+++ b/internal/model/role.go
@@ -17,6 +17,7 @@ type Role struct {
 	ID          uint   `json:"id" gorm:"primaryKey"`
 	Name        string `json:"name" gorm:"unique" binding:"required"`
 	Description string `json:"description"`
+	Default     bool   `json:"default" gorm:"default:false"`
 	// PermissionScopes stores structured permission list and is ignored by gorm.
 	PermissionScopes []PermissionEntry `json:"permission_scopes" gorm:"-"`
 	// RawPermission is the JSON representation of PermissionScopes stored in DB.
diff --git a/internal/op/hook.go b/internal/op/hook.go
index 23b8e59a..08ea4603 100644
--- a/internal/op/hook.go
+++ b/internal/op/hook.go
@@ -2,6 +2,7 @@ package op
 
 import (
 	"regexp"
+	"strconv"
 	"strings"
 
 	"github.com/alist-org/alist/v3/internal/conf"
@@ -82,6 +83,18 @@ var settingItemHooks = map[string]SettingItemHook{
 		conf.SlicesMap[conf.IgnoreDirectLinkParams] = strings.Split(item.Value, ",")
 		return nil
 	},
+	conf.DefaultRole: func(item *model.SettingItem) error {
+		v := strings.TrimSpace(item.Value)
+		if v == "" {
+			return nil
+		}
+		r, err := GetRoleByName(v)
+		if err != nil {
+			return err
+		}
+		item.Value = strconv.Itoa(int(r.ID))
+		return nil
+	},
 }
 
 func RegisterSettingItemHook(key string, hook SettingItemHook) {
diff --git a/internal/op/role.go b/internal/op/role.go
index 4d187506..5c9aad06 100644
--- a/internal/op/role.go
+++ b/internal/op/role.go
@@ -2,9 +2,11 @@ package op
 
 import (
 	"fmt"
+	"strconv"
 	"time"
 
 	"github.com/Xhofe/go-cache"
+	"github.com/alist-org/alist/v3/internal/conf"
 	"github.com/alist-org/alist/v3/internal/db"
 	"github.com/alist-org/alist/v3/internal/errs"
 	"github.com/alist-org/alist/v3/internal/model"
@@ -50,6 +52,23 @@ func GetRoleByName(name string) (*model.Role, error) {
 	return r, err
 }
 
+func GetDefaultRoleID() int {
+	item, err := GetSettingItemByKey(conf.DefaultRole)
+	if err == nil && item != nil && item.Value != "" {
+		if id, err := strconv.Atoi(item.Value); err == nil && id != 0 {
+			return id
+		}
+		if r, err := db.GetRoleByName(item.Value); err == nil {
+			return int(r.ID)
+		}
+	}
+	var r model.Role
+	if err := db.GetDb().Where("`default` = ?", true).First(&r).Error; err == nil {
+		return int(r.ID)
+	}
+	return int(model.GUEST)
+}
+
 func GetRolesByUserID(userID uint) ([]model.Role, error) {
 	user, err := GetUserById(userID)
 	if err != nil {
@@ -92,7 +111,21 @@ func CreateRole(r *model.Role) error {
 	}
 	roleCache.Del(fmt.Sprint(r.ID))
 	roleCache.Del(r.Name)
-	return db.CreateRole(r)
+	if err := db.CreateRole(r); err != nil {
+		return err
+	}
+	if r.Default {
+		roleCache.Clear()
+		item, err := GetSettingItemByKey(conf.DefaultRole)
+		if err != nil {
+			return err
+		}
+		item.Value = strconv.Itoa(int(r.ID))
+		if err := SaveSettingItem(item); err != nil {
+			return err
+		}
+	}
+	return nil
 }
 
 func UpdateRole(r *model.Role) error {
@@ -131,7 +164,21 @@ func UpdateRole(r *model.Role) error {
 	//}
 	roleCache.Del(fmt.Sprint(r.ID))
 	roleCache.Del(r.Name)
-	return db.UpdateRole(r)
+	if err := db.UpdateRole(r); err != nil {
+		return err
+	}
+	if r.Default {
+		roleCache.Clear()
+		item, err := GetSettingItemByKey(conf.DefaultRole)
+		if err != nil {
+			return err
+		}
+		item.Value = strconv.Itoa(int(r.ID))
+		if err := SaveSettingItem(item); err != nil {
+			return err
+		}
+	}
+	return nil
 }
 
 func DeleteRole(id uint) error {
diff --git a/server/handles/auth.go b/server/handles/auth.go
index 96a9ba9e..26447ddd 100644
--- a/server/handles/auth.go
+++ b/server/handles/auth.go
@@ -9,8 +9,10 @@ import (
 	"time"
 
 	"github.com/Xhofe/go-cache"
+	"github.com/alist-org/alist/v3/internal/conf"
 	"github.com/alist-org/alist/v3/internal/model"
 	"github.com/alist-org/alist/v3/internal/op"
+	"github.com/alist-org/alist/v3/internal/setting"
 	"github.com/alist-org/alist/v3/server/common"
 	"github.com/gin-gonic/gin"
 	"github.com/pquerna/otp/totp"
@@ -89,6 +91,35 @@ func loginHash(c *gin.Context, req *LoginReq) {
 	loginCache.Del(ip)
 }
 
+type RegisterReq struct {
+	Username string `json:"username" binding:"required"`
+	Password string `json:"password" binding:"required"`
+}
+
+// Register a new user
+func Register(c *gin.Context) {
+	if !setting.GetBool(conf.AllowRegister) {
+		common.ErrorStrResp(c, "registration is disabled", 403)
+		return
+	}
+	var req RegisterReq
+	if err := c.ShouldBind(&req); err != nil {
+		common.ErrorResp(c, err, 400)
+		return
+	}
+	user := &model.User{
+		Username: req.Username,
+		Role:     model.Roles{op.GetDefaultRoleID()},
+		Authn:    "[]",
+	}
+	user.SetPassword(req.Password)
+	if err := op.CreateUser(user); err != nil {
+		common.ErrorResp(c, err, 500, true)
+		return
+	}
+	common.SuccessResp(c)
+}
+
 type UserResp struct {
 	model.User
 	Otp         bool                    `json:"otp"`
diff --git a/server/handles/role.go b/server/handles/role.go
index 0d071c9f..17271a53 100644
--- a/server/handles/role.go
+++ b/server/handles/role.go
@@ -44,7 +44,7 @@ func GetRole(c *gin.Context) {
 
 func CreateRole(c *gin.Context) {
 	var req model.Role
-	if err := c.ShouldBind(&req); err != nil {
+	if err := c.ShouldBindJSON(&req); err != nil {
 		common.ErrorResp(c, err, 400)
 		return
 	}
@@ -56,8 +56,14 @@ func CreateRole(c *gin.Context) {
 }
 
 func UpdateRole(c *gin.Context) {
-	var req model.Role
-	if err := c.ShouldBind(&req); err != nil {
+	var req struct {
+		ID               uint                    `json:"id"`
+		Name             string                  `json:"name" binding:"required"`
+		Description      string                  `json:"description"`
+		PermissionScopes []model.PermissionEntry `json:"permission_scopes"`
+		Default          *bool                   `json:"default"`
+	}
+	if err := c.ShouldBindJSON(&req); err != nil {
 		common.ErrorResp(c, err, 400)
 		return
 	}
@@ -74,7 +80,13 @@ func UpdateRole(c *gin.Context) {
 	case "guest":
 		req.Name = "guest"
 	}
-	if err := op.UpdateRole(&req); err != nil {
+	role.Name = req.Name
+	role.Description = req.Description
+	role.PermissionScopes = req.PermissionScopes
+	if req.Default != nil {
+		role.Default = *req.Default
+	}
+	if err := op.UpdateRole(role); err != nil {
 		common.ErrorResp(c, err, 500, true)
 	} else {
 		common.SuccessResp(c)
diff --git a/server/handles/setting.go b/server/handles/setting.go
index f778b180..3ce5fcbf 100644
--- a/server/handles/setting.go
+++ b/server/handles/setting.go
@@ -14,6 +14,18 @@ import (
 	"github.com/gin-gonic/gin"
 )
 
+func getRoleOptions() string {
+	roles, _, err := op.GetRoles(1, model.MaxInt)
+	if err != nil {
+		return ""
+	}
+	names := make([]string, len(roles))
+	for i, r := range roles {
+		names[i] = r.Name
+	}
+	return strings.Join(names, ",")
+}
+
 func ResetToken(c *gin.Context) {
 	token := random.Token()
 	item := model.SettingItem{Key: "token", Value: token, Type: conf.TypeString, Group: model.SINGLE, Flag: model.PRIVATE}
@@ -34,6 +46,12 @@ func GetSetting(c *gin.Context) {
 			common.ErrorResp(c, err, 400)
 			return
 		}
+		if item.Key == conf.DefaultRole {
+			copy := *item
+			copy.Options = getRoleOptions()
+			common.SuccessResp(c, copy)
+			return
+		}
 		common.SuccessResp(c, item)
 	} else {
 		items, err := op.GetSettingItemInKeys(strings.Split(keys, ","))
@@ -41,6 +59,12 @@ func GetSetting(c *gin.Context) {
 			common.ErrorResp(c, err, 400)
 			return
 		}
+		for i := range items {
+			if items[i].Key == conf.DefaultRole {
+				items[i].Options = getRoleOptions()
+				break
+			}
+		}
 		common.SuccessResp(c, items)
 	}
 }
@@ -88,6 +112,12 @@ func ListSettings(c *gin.Context) {
 		common.ErrorResp(c, err, 400)
 		return
 	}
+	for i := range settings {
+		if settings[i].Key == conf.DefaultRole {
+			settings[i].Options = getRoleOptions()
+			break
+		}
+	}
 	common.SuccessResp(c, settings)
 }
 
diff --git a/server/handles/user.go b/server/handles/user.go
index b4c152c5..01368bee 100644
--- a/server/handles/user.go
+++ b/server/handles/user.go
@@ -36,6 +36,9 @@ func CreateUser(c *gin.Context) {
 		common.ErrorResp(c, err, 400)
 		return
 	}
+	if len(req.Role) == 0 {
+		req.Role = model.Roles{op.GetDefaultRoleID()}
+	}
 	if req.IsAdmin() || req.IsGuest() {
 		common.ErrorStrResp(c, "admin or guest user can not be created", 400, true)
 		return
diff --git a/server/router.go b/server/router.go
index 72546f4e..e8902f7a 100644
--- a/server/router.go
+++ b/server/router.go
@@ -61,6 +61,7 @@ func Init(e *gin.Engine) {
 	api.POST("/auth/login", handles.Login)
 	api.POST("/auth/login/hash", handles.LoginHash)
 	api.POST("/auth/login/ldap", handles.LoginLdap)
+	api.POST("/auth/register", handles.Register)
 	auth.GET("/me", handles.CurrentUser)
 	auth.POST("/me/update", handles.UpdateCurrent)
 	auth.GET("/me/sshkey/list", handles.ListMyPublicKey)