diff --git a/cmd/controller-manager/app/controllers.go b/cmd/controller-manager/app/controllers.go
index 0f125a554..8c6e417ac 100644
--- a/cmd/controller-manager/app/controllers.go
+++ b/cmd/controller-manager/app/controllers.go
@@ -48,6 +48,7 @@ import (
 	"kubesphere.io/kubesphere/pkg/informers"
 	"kubesphere.io/kubesphere/pkg/simple/client/devops"
 	"kubesphere.io/kubesphere/pkg/simple/client/k8s"
+	ldapclient "kubesphere.io/kubesphere/pkg/simple/client/ldap"
 	"kubesphere.io/kubesphere/pkg/simple/client/openpitrix"
 	"kubesphere.io/kubesphere/pkg/simple/client/s3"
 	"sigs.k8s.io/controller-runtime/pkg/manager"
@@ -60,6 +61,7 @@ func addControllers(
 	informerFactory informers.InformerFactory,
 	devopsClient devops.Interface,
 	s3Client s3.Interface,
+	ldapClient ldapclient.Interface,
 	openpitrixClient openpitrix.Client,
 	multiClusterEnabled bool,
 	networkPolicyEnabled bool,
@@ -207,8 +209,8 @@ func addControllers(
 	}
 
 	userController := user.NewController(client.Kubernetes(), client.KubeSphere(), client.Config(),
-		kubesphereInformer.Iam().V1alpha2().Users(),
-		fedUserCache, fedUserCacheController, kubernetesInformer.Core().V1().ConfigMaps(), multiClusterEnabled)
+		kubesphereInformer.Iam().V1alpha2().Users(), fedUserCache, fedUserCacheController,
+		kubernetesInformer.Core().V1().ConfigMaps(), ldapClient, multiClusterEnabled)
 
 	csrController := certificatesigningrequest.NewController(client.Kubernetes(), kubernetesInformer.Certificates().V1beta1().CertificateSigningRequests(),
 		kubernetesInformer.Core().V1().ConfigMaps(), client.Config())
diff --git a/cmd/controller-manager/app/options/options.go b/cmd/controller-manager/app/options/options.go
index 4bb1ee157..8b42db8d3 100644
--- a/cmd/controller-manager/app/options/options.go
+++ b/cmd/controller-manager/app/options/options.go
@@ -8,6 +8,7 @@ import (
 	"k8s.io/klog"
 	"kubesphere.io/kubesphere/pkg/simple/client/devops/jenkins"
 	"kubesphere.io/kubesphere/pkg/simple/client/k8s"
+	ldapclient "kubesphere.io/kubesphere/pkg/simple/client/ldap"
 	"kubesphere.io/kubesphere/pkg/simple/client/multicluster"
 	"kubesphere.io/kubesphere/pkg/simple/client/network"
 	"kubesphere.io/kubesphere/pkg/simple/client/openpitrix"
@@ -21,6 +22,7 @@ type KubeSphereControllerManagerOptions struct {
 	KubernetesOptions   *k8s.KubernetesOptions
 	DevopsOptions       *jenkins.Options
 	S3Options           *s3.Options
+	LdapOptions         *ldapclient.Options
 	OpenPitrixOptions   *openpitrix.Options
 	NetworkOptions      *network.Options
 	MultiClusterOptions *multicluster.Options
@@ -35,6 +37,7 @@ func NewKubeSphereControllerManagerOptions() *KubeSphereControllerManagerOptions
 		KubernetesOptions:   k8s.NewKubernetesOptions(),
 		DevopsOptions:       jenkins.NewDevopsOptions(),
 		S3Options:           s3.NewS3Options(),
+		LdapOptions:         ldapclient.NewOptions(),
 		OpenPitrixOptions:   openpitrix.NewOptions(),
 		NetworkOptions:      network.NewNetworkOptions(),
 		MultiClusterOptions: multicluster.NewOptions(),
@@ -57,6 +60,7 @@ func (s *KubeSphereControllerManagerOptions) Flags() cliflag.NamedFlagSets {
 	s.KubernetesOptions.AddFlags(fss.FlagSet("kubernetes"), s.KubernetesOptions)
 	s.DevopsOptions.AddFlags(fss.FlagSet("devops"), s.DevopsOptions)
 	s.S3Options.AddFlags(fss.FlagSet("s3"), s.S3Options)
+	s.LdapOptions.AddFlags(fss.FlagSet("ldap"), s.LdapOptions)
 	s.OpenPitrixOptions.AddFlags(fss.FlagSet("openpitrix"), s.OpenPitrixOptions)
 	s.NetworkOptions.AddFlags(fss.FlagSet("network"), s.NetworkOptions)
 	s.MultiClusterOptions.AddFlags(fss.FlagSet("multicluster"), s.MultiClusterOptions)
@@ -92,6 +96,7 @@ func (s *KubeSphereControllerManagerOptions) Validate() []error {
 	errs = append(errs, s.S3Options.Validate()...)
 	errs = append(errs, s.OpenPitrixOptions.Validate()...)
 	errs = append(errs, s.NetworkOptions.Validate()...)
+	errs = append(errs, s.LdapOptions.Validate()...)
 	return errs
 }
 
diff --git a/cmd/controller-manager/app/server.go b/cmd/controller-manager/app/server.go
index 8c2c7bdf8..449dd0d58 100644
--- a/cmd/controller-manager/app/server.go
+++ b/cmd/controller-manager/app/server.go
@@ -40,6 +40,7 @@ import (
 	"kubesphere.io/kubesphere/pkg/simple/client/devops"
 	"kubesphere.io/kubesphere/pkg/simple/client/devops/jenkins"
 	"kubesphere.io/kubesphere/pkg/simple/client/k8s"
+	ldapclient "kubesphere.io/kubesphere/pkg/simple/client/ldap"
 	"kubesphere.io/kubesphere/pkg/simple/client/openpitrix"
 	"kubesphere.io/kubesphere/pkg/simple/client/s3"
 	"kubesphere.io/kubesphere/pkg/utils/term"
@@ -58,6 +59,7 @@ func NewControllerManagerCommand() *cobra.Command {
 			KubernetesOptions:   conf.KubernetesOptions,
 			DevopsOptions:       conf.DevopsOptions,
 			S3Options:           conf.S3Options,
+			LdapOptions:         conf.LdapOptions,
 			OpenPitrixOptions:   conf.OpenPitrixOptions,
 			NetworkOptions:      conf.NetworkOptions,
 			MultiClusterOptions: conf.MultiClusterOptions,
@@ -114,6 +116,22 @@ func Run(s *options.KubeSphereControllerManagerOptions, stopCh <-chan struct{})
 		}
 	}
 
+	var ldapClient ldapclient.Interface
+	if s.LdapOptions == nil || len(s.LdapOptions.Host) == 0 {
+		klog.Errorf("Failed to create devops client invalid ldap options")
+		return err
+	}
+
+	if s.LdapOptions.Host == ldapclient.FAKE_HOST {
+		ldapClient = ldapclient.NewSimpleLdap()
+	} else {
+		ldapClient, err = ldapclient.NewLdapClient(s.LdapOptions, stopCh)
+		if err != nil {
+			klog.Errorf("Failed to create ldap client %v", err)
+			return err
+		}
+	}
+
 	var openpitrixClient openpitrix.Client
 	if s.OpenPitrixOptions != nil && !s.OpenPitrixOptions.IsEmpty() {
 		openpitrixClient, err = openpitrix.NewClient(s.OpenPitrixOptions)
@@ -160,7 +178,8 @@ func Run(s *options.KubeSphereControllerManagerOptions, stopCh <-chan struct{})
 
 		// TODO(jeff): refactor config with CRD
 		servicemeshEnabled := s.ServiceMeshOptions != nil && len(s.ServiceMeshOptions.IstioPilotHost) != 0
-		if err = addControllers(mgr, kubernetesClient, informerFactory, devopsClient, s3Client, openpitrixClient, s.MultiClusterOptions.Enable, s.NetworkOptions.EnableNetworkPolicy, servicemeshEnabled, stopCh); err != nil {
+		if err = addControllers(mgr, kubernetesClient, informerFactory, devopsClient, s3Client, ldapClient, openpitrixClient,
+			s.MultiClusterOptions.Enable, s.NetworkOptions.EnableNetworkPolicy, servicemeshEnabled, stopCh); err != nil {
 			klog.Fatalf("unable to register controllers to the manager: %v", err)
 		}
 
diff --git a/cmd/ks-apiserver/app/options/options.go b/cmd/ks-apiserver/app/options/options.go
index 219ff56b6..c453c57ac 100644
--- a/cmd/ks-apiserver/app/options/options.go
+++ b/cmd/ks-apiserver/app/options/options.go
@@ -15,7 +15,6 @@ import (
 	"kubesphere.io/kubesphere/pkg/simple/client/devops/jenkins"
 	eventsclient "kubesphere.io/kubesphere/pkg/simple/client/events/elasticsearch"
 	"kubesphere.io/kubesphere/pkg/simple/client/k8s"
-	"kubesphere.io/kubesphere/pkg/simple/client/ldap"
 	esclient "kubesphere.io/kubesphere/pkg/simple/client/logging/elasticsearch"
 	"kubesphere.io/kubesphere/pkg/simple/client/monitoring/prometheus"
 	"kubesphere.io/kubesphere/pkg/simple/client/openpitrix"
@@ -53,7 +52,6 @@ func (s *ServerRunOptions) Flags() (fss cliflag.NamedFlagSets) {
 	s.AuthorizationOptions.AddFlags(fss.FlagSet("authorization"), s.AuthorizationOptions)
 	s.DevopsOptions.AddFlags(fss.FlagSet("devops"), s.DevopsOptions)
 	s.SonarQubeOptions.AddFlags(fss.FlagSet("sonarqube"), s.SonarQubeOptions)
-	s.LdapOptions.AddFlags(fss.FlagSet("ldap"), s.LdapOptions)
 	s.RedisOptions.AddFlags(fss.FlagSet("redis"), s.RedisOptions)
 	s.S3Options.AddFlags(fss.FlagSet("s3"), s.S3Options)
 	s.OpenPitrixOptions.AddFlags(fss.FlagSet("openpitrix"), s.OpenPitrixOptions)
@@ -138,18 +136,6 @@ func (s *ServerRunOptions) NewAPIServer(stopCh <-chan struct{}) (*apiserver.APIS
 		apiServer.SonarClient = sonarqube.NewSonar(sonarClient.SonarQube())
 	}
 
-	if s.LdapOptions.Host != "" {
-		if s.LdapOptions.Host == fakeInterface && s.DebugMode {
-			apiServer.LdapClient = ldap.NewSimpleLdap()
-		} else {
-			ldapClient, err := ldap.NewLdapClient(s.LdapOptions, stopCh)
-			if err != nil {
-				return nil, err
-			}
-			apiServer.LdapClient = ldapClient
-		}
-	}
-
 	var cacheClient cache.Interface
 	if s.RedisOptions.Host != "" {
 		if s.RedisOptions.Host == fakeInterface && s.DebugMode {
diff --git a/pkg/apiserver/apiserver.go b/pkg/apiserver/apiserver.go
index a46518494..0ef6a8bc2 100644
--- a/pkg/apiserver/apiserver.go
+++ b/pkg/apiserver/apiserver.go
@@ -69,7 +69,6 @@ import (
 	"kubesphere.io/kubesphere/pkg/simple/client/devops"
 	"kubesphere.io/kubesphere/pkg/simple/client/events"
 	"kubesphere.io/kubesphere/pkg/simple/client/k8s"
-	"kubesphere.io/kubesphere/pkg/simple/client/ldap"
 	"kubesphere.io/kubesphere/pkg/simple/client/logging"
 	"kubesphere.io/kubesphere/pkg/simple/client/monitoring"
 	"kubesphere.io/kubesphere/pkg/simple/client/openpitrix"
@@ -131,9 +130,6 @@ type APIServer struct {
 	//
 	S3Client s3.Interface
 
-	//
-	LdapClient ldap.Interface
-
 	SonarClient sonarqube.SonarInterface
 
 	EventsClient events.Client
diff --git a/pkg/controller/user/user_controller.go b/pkg/controller/user/user_controller.go
index 83c92a17c..1137a7b02 100644
--- a/pkg/controller/user/user_controller.go
+++ b/pkg/controller/user/user_controller.go
@@ -43,6 +43,8 @@ import (
 	userlister "kubesphere.io/kubesphere/pkg/client/listers/iam/v1alpha2"
 	"kubesphere.io/kubesphere/pkg/constants"
 	"kubesphere.io/kubesphere/pkg/models/kubeconfig"
+	ldapclient "kubesphere.io/kubesphere/pkg/simple/client/ldap"
+	"kubesphere.io/kubesphere/pkg/utils/sliceutil"
 	"reflect"
 	"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
 	"strconv"
@@ -67,6 +69,7 @@ type Controller struct {
 	cmSynced          cache.InformerSynced
 	fedUserCache      cache.Store
 	fedUserController cache.Controller
+	ldapClient        ldapclient.Interface
 	// workqueue is a rate limited work queue. This is used to queue work to be
 	// processed instead of performing it as soon as a change happens. This
 	// means we can ensure we only process a fixed amount of resources at a
@@ -81,7 +84,7 @@ type Controller struct {
 
 func NewController(k8sClient kubernetes.Interface, ksClient kubesphere.Interface,
 	config *rest.Config, userInformer userinformer.UserInformer, fedUserCache cache.Store, fedUserController cache.Controller,
-	configMapInformer corev1informers.ConfigMapInformer, multiClusterEnabled bool) *Controller {
+	configMapInformer corev1informers.ConfigMapInformer, ldapClient ldapclient.Interface, multiClusterEnabled bool) *Controller {
 	// Create event broadcaster
 	// Add sample-controller types to the default Kubernetes Scheme so Events can be
 	// logged for sample-controller types.
@@ -106,6 +109,7 @@ func NewController(k8sClient kubernetes.Interface, ksClient kubesphere.Interface
 		cmSynced:            configMapInformer.Informer().HasSynced,
 		fedUserCache:        fedUserCache,
 		fedUserController:   fedUserController,
+		ldapClient:          ldapClient,
 		workqueue:           workqueue.NewNamedRateLimitingQueue(workqueue.DefaultControllerRateLimiter(), "Users"),
 		recorder:            recorder,
 		multiClusterEnabled: multiClusterEnabled,
@@ -239,6 +243,48 @@ func (c *Controller) reconcile(key string) error {
 		return err
 	}
 
+	// name of your custom finalizer
+	finalizer := "finalizers.kubesphere.io/users"
+
+	if user.ObjectMeta.DeletionTimestamp.IsZero() {
+		// The object is not being deleted, so if it does not have our finalizer,
+		// then lets add the finalizer and update the object.
+		if !sliceutil.HasString(user.Finalizers, finalizer) {
+			user.ObjectMeta.Finalizers = append(user.ObjectMeta.Finalizers, finalizer)
+
+			if user, err = c.ksClient.IamV1alpha2().Users().Update(user); err != nil {
+				return err
+			}
+		}
+	} else {
+		// The object is being deleted
+		if sliceutil.HasString(user.ObjectMeta.Finalizers, finalizer) {
+
+			klog.V(4).Infof("delete user %s", key)
+			if err = c.ldapClient.Delete(key); err != nil && err != ldapclient.ErrUserNotExists {
+				klog.Error(err)
+				return err
+			}
+
+			// remove our finalizer from the list and update it.
+			user.Finalizers = sliceutil.RemoveString(user.ObjectMeta.Finalizers, func(item string) bool {
+				return item == finalizer
+			})
+
+			if _, err := c.ksClient.IamV1alpha2().Users().Update(user); err != nil {
+				return err
+			}
+		}
+
+		// Our finalizer has finished, so the reconciler can do nothing.
+		return nil
+	}
+
+	if err = c.ldapSync(user); err != nil {
+		klog.Error(err)
+		return err
+	}
+
 	if user, err = c.ensurePasswordIsEncrypted(user); err != nil {
 		klog.Error(err)
 		return err
@@ -269,9 +315,9 @@ func (c *Controller) Start(stopCh <-chan struct{}) error {
 }
 
 func (c *Controller) ensurePasswordIsEncrypted(user *iamv1alpha2.User) (*iamv1alpha2.User, error) {
-	encrypted, err := strconv.ParseBool(user.Annotations[iamv1alpha2.PasswordEncryptedAnnotation])
+	encrypted, _ := strconv.ParseBool(user.Annotations[iamv1alpha2.PasswordEncryptedAnnotation])
 	// password is not encrypted
-	if err != nil || !encrypted {
+	if !encrypted {
 		password, err := encrypt(user.Spec.EncryptedPassword)
 		if err != nil {
 			klog.Error(err)
@@ -282,7 +328,6 @@ func (c *Controller) ensurePasswordIsEncrypted(user *iamv1alpha2.User) (*iamv1al
 		if user.Annotations == nil {
 			user.Annotations = make(map[string]string, 0)
 		}
-
 		user.Annotations[iamv1alpha2.PasswordEncryptedAnnotation] = "true"
 		user.Status.State = iamv1alpha2.UserActive
 		return c.ksClient.IamV1alpha2().Users().Update(user)
@@ -419,6 +464,25 @@ func (c *Controller) updateFederatedUser(fedUser *iamv1alpha2.FederatedUser) err
 	return nil
 }
 
+func (c *Controller) ldapSync(user *iamv1alpha2.User) error {
+	encrypted, _ := strconv.ParseBool(user.Annotations[iamv1alpha2.PasswordEncryptedAnnotation])
+	if encrypted {
+		return nil
+	}
+	_, err := c.ldapClient.Get(user.Name)
+	if err != nil {
+		if err == ldapclient.ErrUserNotExists {
+			klog.V(4).Infof("create user %s", user.Name)
+			return c.ldapClient.Create(user)
+		}
+		klog.Error(err)
+		return err
+	} else {
+		klog.V(4).Infof("update user %s", user.Name)
+		return c.ldapClient.Update(user)
+	}
+}
+
 func encrypt(password string) (string, error) {
 	// when user is already mapped to another identity, password is empty by default
 	// unable to log in directly until password reset
diff --git a/pkg/controller/user/user_controller_test.go b/pkg/controller/user/user_controller_test.go
index 01894afed..7018fb89a 100644
--- a/pkg/controller/user/user_controller_test.go
+++ b/pkg/controller/user/user_controller_test.go
@@ -29,6 +29,7 @@ import (
 	iamv1alpha2 "kubesphere.io/kubesphere/pkg/apis/iam/v1alpha2"
 	"kubesphere.io/kubesphere/pkg/client/clientset/versioned/fake"
 	ksinformers "kubesphere.io/kubesphere/pkg/client/informers/externalversions"
+	ldapclient "kubesphere.io/kubesphere/pkg/simple/client/ldap"
 	"reflect"
 	"testing"
 	"time"
@@ -81,6 +82,7 @@ func newUser(name string) *iamv1alpha2.User {
 func (f *fixture) newController() (*Controller, ksinformers.SharedInformerFactory, kubeinformers.SharedInformerFactory) {
 	f.ksclient = fake.NewSimpleClientset(f.objects...)
 	f.k8sclient = k8sfake.NewSimpleClientset(f.kubeobjects...)
+	ldapClient := ldapclient.NewSimpleLdap()
 
 	ksinformers := ksinformers.NewSharedInformerFactory(f.ksclient, noResyncPeriodFunc())
 	k8sinformers := kubeinformers.NewSharedInformerFactory(f.k8sclient, noResyncPeriodFunc())
@@ -92,7 +94,7 @@ func (f *fixture) newController() (*Controller, ksinformers.SharedInformerFactor
 		}
 	}
 
-	c := NewController(f.k8sclient, f.ksclient, nil, ksinformers.Iam().V1alpha2().Users(), nil, nil, k8sinformers.Core().V1().ConfigMaps(), false)
+	c := NewController(f.k8sclient, f.ksclient, nil, ksinformers.Iam().V1alpha2().Users(), nil, nil, k8sinformers.Core().V1().ConfigMaps(), ldapClient, false)
 	c.userSynced = alwaysReady
 	c.recorder = &record.FakeRecorder{}
 
@@ -208,6 +210,7 @@ func filterInformerActions(actions []core.Action) []core.Action {
 	var ret []core.Action
 	for _, action := range actions {
 		if action.Matches("list", "users") ||
+			action.Matches("list", "configmaps") ||
 			action.Matches("watch", "users") {
 			continue
 		}
@@ -219,9 +222,14 @@ func filterInformerActions(actions []core.Action) []core.Action {
 
 func (f *fixture) expectUpdateUserStatusAction(user *iamv1alpha2.User) {
 	expect := user.DeepCopy()
+	expect.Finalizers = []string{"finalizers.kubesphere.io/users"}
+	action := core.NewUpdateAction(schema.GroupVersionResource{Resource: "users"}, "", expect)
+	f.actions = append(f.actions, action)
+
+	expect = expect.DeepCopy()
 	expect.Status.State = iamv1alpha2.UserActive
 	expect.Annotations = map[string]string{iamv1alpha2.PasswordEncryptedAnnotation: "true"}
-	action := core.NewUpdateAction(schema.GroupVersionResource{Resource: "users"}, "", expect)
+	action = core.NewUpdateAction(schema.GroupVersionResource{Resource: "users"}, "", expect)
 	f.actions = append(f.actions, action)
 }
 
diff --git a/pkg/simple/client/ldap/ldap.go b/pkg/simple/client/ldap/ldap.go
index f2f62bd5f..d2272789c 100644
--- a/pkg/simple/client/ldap/ldap.go
+++ b/pkg/simple/client/ldap/ldap.go
@@ -19,7 +19,6 @@ package ldap
 import (
 	"fmt"
 	"github.com/go-ldap/ldap"
-	"github.com/google/uuid"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/klog"
 	"kubesphere.io/kubesphere/pkg/api"
@@ -184,7 +183,7 @@ func (l *ldapInterfaceImpl) dnForUsername(username string) string {
 }
 
 func (l *ldapInterfaceImpl) filterForUsername(username string) string {
-	return fmt.Sprintf("(&(objectClass=inetOrgPerson)(|(uid=%s)(mail=%s)))", username, username)
+	return fmt.Sprintf("(&(objectClass=inetOrgPerson)(|(%s=%s)(%s=%s)))", ldapAttributeUserID, username, ldapAttributeMail, username)
 }
 
 func (l *ldapInterfaceImpl) Get(name string) (*iamv1alpha2.User, error) {
@@ -205,7 +204,6 @@ func (l *ldapInterfaceImpl) Get(name string) (*iamv1alpha2.User, error) {
 		Attributes: []string{
 			ldapAttributeMail,
 			ldapAttributeDescription,
-			ldapAttributePreferredLanguage,
 			ldapAttributeCreateTimestamp,
 		},
 	}
@@ -215,7 +213,7 @@ func (l *ldapInterfaceImpl) Get(name string) (*iamv1alpha2.User, error) {
 		return nil, err
 	}
 
-	if len(searchResults.Entries) != 1 {
+	if len(searchResults.Entries) == 0 {
 		return nil, ErrUserNotExists
 	}
 
@@ -227,28 +225,22 @@ func (l *ldapInterfaceImpl) Get(name string) (*iamv1alpha2.User, error) {
 		},
 		Spec: iamv1alpha2.UserSpec{
 			Email:       userEntry.GetAttributeValue(ldapAttributeMail),
-			Lang:        userEntry.GetAttributeValue(ldapAttributePreferredLanguage),
 			Description: userEntry.GetAttributeValue(ldapAttributeDescription),
 		},
 	}
 
 	createTimestamp, _ := time.Parse(ldapAttributeCreateTimestampLayout, userEntry.GetAttributeValue(ldapAttributeCreateTimestamp))
 	user.ObjectMeta.CreationTimestamp.Time = createTimestamp
-
 	return user, nil
 }
 
 func (l *ldapInterfaceImpl) Create(user *iamv1alpha2.User) error {
-	if _, err := l.Get(user.Name); err != nil {
-		return ErrUserAlreadyExisted
-	}
-
 	createRequest := &ldap.AddRequest{
 		DN: l.dnForUsername(user.Name),
 		Attributes: []ldap.Attribute{
 			{
 				Type: ldapAttributeObjectClass,
-				Vals: []string{"inetOrgPerson", "posixAccount", "top"},
+				Vals: []string{"inetOrgPerson", "top"},
 			},
 			{
 				Type: ldapAttributeCommonName,
@@ -256,40 +248,12 @@ func (l *ldapInterfaceImpl) Create(user *iamv1alpha2.User) error {
 			},
 			{
 				Type: ldapAttributeSerialNumber,
-				Vals: []string{" "},
-			},
-			{
-				Type: ldapAttributeGlobalIDNumber,
-				Vals: []string{"500"},
-			},
-			{
-				Type: ldapAttributeHomeDirectory,
-				Vals: []string{"/home/" + user.Name},
-			},
-			{
-				Type: ldapAttributeUserID,
 				Vals: []string{user.Name},
 			},
-			{
-				Type: ldapAttributeUserIDNumber,
-				Vals: []string{uuid.New().String()},
-			},
-			{
-				Type: ldapAttributeMail,
-				Vals: []string{user.Spec.Email},
-			},
 			{
 				Type: ldapAttributeUserPassword,
 				Vals: []string{user.Spec.EncryptedPassword},
 			},
-			{
-				Type: ldapAttributePreferredLanguage,
-				Vals: []string{user.Spec.Lang},
-			},
-			{
-				Type: ldapAttributeDescription,
-				Vals: []string{user.Spec.Description},
-			},
 		},
 	}
 
@@ -341,14 +305,6 @@ func (l *ldapInterfaceImpl) Update(newUser *iamv1alpha2.User) error {
 		DN: l.dnForUsername(newUser.Name),
 	}
 
-	if newUser.Spec.Description != "" {
-		modifyRequest.Replace(ldapAttributeDescription, []string{newUser.Spec.Description})
-	}
-
-	if newUser.Spec.Lang != "" {
-		modifyRequest.Replace(ldapAttributePreferredLanguage, []string{newUser.Spec.Lang})
-	}
-
 	if newUser.Spec.EncryptedPassword != "" {
 		modifyRequest.Replace(ldapAttributeUserPassword, []string{newUser.Spec.EncryptedPassword})
 	}
@@ -385,55 +341,37 @@ func (l *ldapInterfaceImpl) List(query *query.Query) (*api.ListResult, error) {
 
 	filter := "(&(objectClass=inetOrgPerson))"
 
-	if keyword := query.Filters["keyword"]; keyword != "" {
-		filter = fmt.Sprintf("(&(objectClass=inetOrgPerson)(|(uid=*%s*)(mail=*%s*)(description=*%s*)))", keyword, keyword, keyword)
-	}
-
-	if username := query.Filters["username"]; username != "" {
-		uidFilter := ""
-		for _, username := range strings.Split(string(username), "|") {
-			uidFilter += fmt.Sprintf("(uid=%s)", username)
-		}
-		filter = fmt.Sprintf("(&(objectClass=inetOrgPerson)(|%s))", uidFilter)
-	}
-
-	if email := query.Filters["email"]; email != "" {
-		emailFilter := ""
-		for _, username := range strings.Split(string(email), "|") {
-			emailFilter += fmt.Sprintf("(mail=%s)", username)
-		}
-		filter = fmt.Sprintf("(&(objectClass=inetOrgPerson)(|%s))", emailFilter)
-	}
-
 	for {
 		userSearchRequest := ldap.NewSearchRequest(
 			l.userSearchBase,
 			ldap.ScopeWholeSubtree, ldap.NeverDerefAliases, 0, 0, false,
 			filter,
-			[]string{"uid", "mail", "description", "preferredLanguage", "createTimestamp"},
+			[]string{ldapAttributeUserID, ldapAttributeMail, ldapAttributeDescription, ldapAttributeCreateTimestamp},
 			[]ldap.Control{pageControl},
 		)
 
 		response, err := conn.Search(userSearchRequest)
 
 		if err != nil {
-			klog.Errorln("search user", err)
+			klog.Error(err)
 			return nil, err
 		}
 
 		for _, entry := range response.Entries {
 
-			uid := entry.GetAttributeValue("uid")
-			email := entry.GetAttributeValue("mail")
-			description := entry.GetAttributeValue("description")
-			lang := entry.GetAttributeValue("preferredLanguage")
-			createTimestamp, _ := time.Parse("20060102150405Z", entry.GetAttributeValue("createTimestamp"))
+			uid := entry.GetAttributeValue(ldapAttributeUserID)
+			email := entry.GetAttributeValue(ldapAttributeMail)
+			description := entry.GetAttributeValue(ldapAttributeDescription)
+			createTimestamp, _ := time.Parse(ldapAttributeCreateTimestampLayout, entry.GetAttributeValue(ldapAttributeCreateTimestamp))
 
-			user := iamv1alpha2.User{ObjectMeta: metav1.ObjectMeta{Name: uid, CreationTimestamp: metav1.Time{Time: createTimestamp}}, Spec: iamv1alpha2.UserSpec{
-				Email:       email,
-				Lang:        lang,
-				Description: description,
-			}}
+			user := iamv1alpha2.User{
+				ObjectMeta: metav1.ObjectMeta{
+					Name:              uid,
+					CreationTimestamp: metav1.Time{Time: createTimestamp}},
+				Spec: iamv1alpha2.UserSpec{
+					Email:       email,
+					Description: description,
+				}}
 
 			users = append(users, user)
 		}
diff --git a/pkg/simple/client/ldap/simple_ldap.go b/pkg/simple/client/ldap/simple_ldap.go
index f347c29e0..2fe3df104 100644
--- a/pkg/simple/client/ldap/simple_ldap.go
+++ b/pkg/simple/client/ldap/simple_ldap.go
@@ -23,6 +23,8 @@ import (
 	"kubesphere.io/kubesphere/pkg/apiserver/query"
 )
 
+const FAKE_HOST string = "FAKE"
+
 // simpleLdap is a implementation of ldap.Interface, you should never use this in production env!
 type simpleLdap struct {
 	store map[string]*iamv1alpha2.User