diff --git a/server/ldap-admin/internal/logic/getdepartmentslogic.go b/server/ldap-admin/internal/logic/getdepartmentslogic.go
index d5f40c6b..11a88cc4 100644
--- a/server/ldap-admin/internal/logic/getdepartmentslogic.go
+++ b/server/ldap-admin/internal/logic/getdepartmentslogic.go
@@ -4,8 +4,7 @@ import (
 	"context"
 	"fusenapi/utils/auth"
 	"fusenapi/utils/basic"
-	"github.com/go-ldap/ldap/v3"
-	"log"
+	"fusenapi/utils/ldap_lib"
 	"sort"
 	"strings"
 
@@ -44,28 +43,18 @@ func (l *GetDepartmentsLogic) GetDepartments(req *types.Request, userinfo *auth.
 	//从ldap获取组织架构数据
 	rootCn := strings.Split(l.svcCtx.Config.Ldap.RootDN, ",")
 	if len(rootCn) == 0 {
-		return resp.SetStatusWithMessage(basic.CodeServiceErr, "root dn is not set")
+		return resp.SetStatusWithMessage(basic.CodeServiceErr, "root用户DN未设置")
 	}
-	searchRequest := ldap.NewSearchRequest(
-		l.svcCtx.Config.Ldap.BaseDN, //这里后续需要修改，不同的人只能查询他的下属列表
-		ldap.ScopeWholeSubtree, ldap.NeverDerefAliases, 0, 0, false,
-		"(&(objectClass=*)(!(ou="+l.svcCtx.Config.Ldap.PeopleGroupOu+"))(!("+rootCn[0]+")))", //所有object但是不包括people以及root用户
-		nil,
-		nil,
-	)
-	// 执行搜索请求
-	searchResult, err := l.svcCtx.Ldap.Search(searchRequest)
+	ldapServer := ldap_lib.NewLdap(l.svcCtx.Ldap)
+	filter := "(&(objectClass=*)(!(ou=" + l.svcCtx.Config.Ldap.PeopleGroupOu + "))(!(" + rootCn[0] + ")))" //所有object但是不包括people以及root用户
+	searchResult, err := ldapServer.Search(l.svcCtx.Config.Ldap.BaseDN, filter, nil, nil)
 	if err != nil {
-		log.Fatal(err)
+		return resp.SetStatusWithMessage(basic.CodeServiceErr, "查询失败:"+err.Error())
 	}
 	mapDN := make(map[string]*DNItem)
 	sortNum := 0
 	//每个DN存入map
 	for _, v := range searchResult.Entries {
-		//如果是root用户则跳过
-		/*if v.DN == l.svcCtx.Config.Ldap.RootDN {
-			continue
-		}*/
 		sortNum++
 		attribute := make(map[string]interface{})
 		for _, attr := range v.Attributes {