diff --git a/auth/authenticator.go b/auth/authenticator.go
index 14f881cde..1640a842e 100644
--- a/auth/authenticator.go
+++ b/auth/authenticator.go
@@ -17,12 +17,11 @@ package auth
 
 import (
 	"fmt"
-	"log"
 	"os"
 
-	"github.com/vmware/harbor/models"
+	"github.com/vmware/harbor/utils/log"
 
-	"github.com/astaxie/beego"
+	"github.com/vmware/harbor/models"
 )
 
 // Authenticator provides interface to authenticate user credentials.
@@ -37,7 +36,7 @@ var registry = make(map[string]Authenticator)
 // Register add different authenticators to registry map.
 func Register(name string, authenticator Authenticator) {
 	if _, dup := registry[name]; dup {
-		log.Printf("authenticator: %s has been registered", name)
+		log.Infof("authenticator: %s has been registered", name)
 		return
 	}
 	registry[name] = authenticator
@@ -50,7 +49,7 @@ func Login(m models.AuthModel) (*models.User, error) {
 	if authMode == "" || m.Principal == "admin" {
 		authMode = "db_auth"
 	}
-	beego.Debug("Current AUTH_MODE is ", authMode)
+	log.Debug("Current AUTH_MODE is ", authMode)
 
 	authenticator, ok := registry[authMode]
 	if !ok {
diff --git a/auth/ldap/ldap.go b/auth/ldap/ldap.go
index bc24cb8fe..53d17a174 100644
--- a/auth/ldap/ldap.go
+++ b/auth/ldap/ldap.go
@@ -18,15 +18,15 @@ package ldap
 import (
 	"errors"
 	"fmt"
-	"log"
 	"os"
 	"strings"
 
+	"github.com/vmware/harbor/utils/log"
+
 	"github.com/vmware/harbor/auth"
 	"github.com/vmware/harbor/dao"
 	"github.com/vmware/harbor/models"
 
-	"github.com/astaxie/beego"
 	"github.com/mqu/openldap"
 )
 
@@ -44,7 +44,7 @@ func (l *Auth) Authenticate(m models.AuthModel) (*models.User, error) {
 	if ldapURL == "" {
 		return nil, errors.New("Can not get any available LDAP_URL.")
 	}
-	beego.Debug("ldapURL:", ldapURL)
+	log.Debug("ldapURL:", ldapURL)
 
 	p := m.Principal
 	for _, c := range metaChars {
@@ -66,7 +66,7 @@ func (l *Auth) Authenticate(m models.AuthModel) (*models.User, error) {
 	}
 
 	baseDn := fmt.Sprintf(ldapBaseDn, m.Principal)
-	beego.Debug("baseDn:", baseDn)
+	log.Debug("baseDn:", baseDn)
 
 	err = ldap.Bind(baseDn, m.Password)
 	if err != nil {
@@ -83,7 +83,7 @@ func (l *Auth) Authenticate(m models.AuthModel) (*models.User, error) {
 		return nil, err
 	}
 	if len(result.Entries()) != 1 {
-		log.Printf("Found more than one entry.")
+		log.Warningf("Found more than one entry.")
 		return nil, nil
 	}
 	en := result.Entries()[0]
@@ -100,7 +100,7 @@ func (l *Auth) Authenticate(m models.AuthModel) (*models.User, error) {
 		}
 	}
 
-	beego.Debug("username:", u.Username, ",email:", u.Email, ",realname:", u.Realname)
+	log.Debug("username:", u.Username, ",email:", u.Email, ",realname:", u.Realname)
 
 	exist, err := dao.UserExists(u, "username")
 	if err != nil {