diff --git a/internal/demo/register/onboarding_process.go b/internal/demo/register/onboarding_process.go
index 8f67d35bb..627b68dac 100644
--- a/internal/demo/register/onboarding_process.go
+++ b/internal/demo/register/onboarding_process.go
@@ -5,6 +5,8 @@ import (
 	"Open_IM/internal/rpc/msg"
 	"Open_IM/pkg/common/config"
 	"Open_IM/pkg/common/constant"
+	"Open_IM/pkg/common/db"
+	imdb "Open_IM/pkg/common/db/mysql_model/im_mysql_model"
 	"Open_IM/pkg/common/log"
 	"Open_IM/pkg/grpc-etcdv3/getcdv3"
 	groupRpc "Open_IM/pkg/proto/group"
@@ -30,7 +32,11 @@ func onboardingProcess(operationID, userID, userName string) {
 	if err := joinTestDepartment(operationID, userID, departmentID); err != nil {
 		log.NewError(operationID, utils.GetSelfFuncName(), "joinTestDepartment failed", err.Error())
 	}
-
+	departmentID, err := imdb.GetRandomDepartmentID()
+	if err != nil {
+		log.NewError(utils.GetSelfFuncName(), "GetRandomDepartmentID failed", err.Error())
+		return
+	}
 	groupIDList, err := GetDepartmentGroupIDList(operationID, departmentID)
 	if err != nil {
 		log.NewError(operationID, utils.GetSelfFuncName(), err.Error())
diff --git a/pkg/common/db/mysql_model/im_mysql_model/organization_model.go b/pkg/common/db/mysql_model/im_mysql_model/organization_model.go
index 517287eea..733dfad97 100644
--- a/pkg/common/db/mysql_model/im_mysql_model/organization_model.go
+++ b/pkg/common/db/mysql_model/im_mysql_model/organization_model.go
@@ -280,3 +280,13 @@ func GetDepartmentParentIDList(departmentID string) ([]string, error) {
 	err = GetDepartmentParent(departmentID, dbConn, &parentIDList)
 	return parentIDList, err
 }
+
+func GetRandomDepartmentID() (string, error) {
+	dbConn, err := db.DB.MysqlDB.DefaultGormDB()
+	if err != nil {
+		return "", err
+	}
+	department := &db.Department{}
+	err = dbConn.Model(department).Where("related_group_id != ? AND parent_id != ?", "", "").Take(department).Error
+	return department.DepartmentID, err
+}