diff --git a/utils/ldap_lib/ldap.go b/utils/ldap_lib/ldap.go
deleted file mode 100644
index 93e9b184..00000000
--- a/utils/ldap_lib/ldap.go
+++ /dev/null
@@ -1,37 +0,0 @@
-package ldap_lib
-
-import (
-	"github.com/go-ldap/ldap/v3"
-)
-
-type LdapGroup struct {
-	conn *ldap.Conn
-}
-
-func NewLdapGroup(conn *ldap.Conn) *LdapGroup {
-	return &LdapGroup{conn}
-}
-
-// 更新分组信息
-func (l *LdapGroup) UpdateGroup(groupDN string, attr map[string][]string) error {
-	modify := ldap.NewModifyRequest(groupDN, nil)
-	for key, v := range attr {
-		modify.Replace(key, v)
-	}
-	return l.conn.Modify(modify)
-}
-
-// 删除分组
-func (l *LdapGroup) DeleteGroup(groupDN string) error {
-	del := ldap.NewDelRequest(groupDN, nil)
-	return l.conn.Del(del)
-}
-
-// 创建分组
-func (l *LdapGroup) CreateGroup(groupDN string, attr map[string][]string) error {
-	add := ldap.NewAddRequest(groupDN, nil)
-	for key, v := range attr {
-		add.Attribute(key, v)
-	}
-	return l.conn.Add(add)
-}
diff --git a/utils/ldap_lib/ldap_group.go b/utils/ldap_lib/ldap_group.go
new file mode 100644
index 00000000..892b2692
--- /dev/null
+++ b/utils/ldap_lib/ldap_group.go
@@ -0,0 +1,56 @@
+package ldap_lib
+
+import (
+	"errors"
+	"github.com/go-ldap/ldap/v3"
+)
+
+type Ldap struct {
+	conn *ldap.Conn
+}
+
+func NewLdap(conn *ldap.Conn) *Ldap {
+	return &Ldap{conn}
+}
+
+// 更新资源(分组/用户)
+func (l *Ldap) Update(DN string, attr map[string][]string) error {
+	modify := ldap.NewModifyRequest(DN, nil)
+	for key, v := range attr {
+		modify.Replace(key, v)
+	}
+	return l.conn.Modify(modify)
+}
+
+// 创建资源(分组/用户)
+func (l *Ldap) Create(DN string, attr map[string][]string) error {
+	add := ldap.NewAddRequest(DN, nil)
+	for key, v := range attr {
+		add.Attribute(key, v)
+	}
+	return l.conn.Add(add)
+}
+
+// 删除资源(分组/用户)
+func (l *Ldap) Delete(DN string) error {
+	del := ldap.NewDelRequest(DN, nil)
+	return l.conn.Del(del)
+}
+
+// AddUserToGroup 添加用户到分组
+func (l *Ldap) AddUserToGroup(groupDN, userDN string) error {
+	//判断dn是否以ou开头
+	if groupDN[:3] == "ou=" {
+		return errors.New("不能添加用户到OU组织单元")
+	}
+	modify := ldap.NewModifyRequest(groupDN, nil)
+	modify.Add("uniqueMember", []string{userDN})
+	return l.conn.Modify(modify)
+}
+
+// DelUserFromGroup 将用户从分组删除
+func (l *Ldap) RemoveUserFromGroup(groupDN, userDN string) error {
+	modify := ldap.NewModifyRequest(groupDN, nil)
+	modify.Delete("uniqueMember", []string{userDN})
+	return l.conn.Modify(modify)
+}