diff --git a/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Theme.Shared/wwwroot/libs/abp/aspnetcore-mvc-ui-theme-shared/bootstrap/dom-event-handlers.js b/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Theme.Shared/wwwroot/libs/abp/aspnetcore-mvc-ui-theme-shared/bootstrap/dom-event-handlers.js
index d1cbfa6b6b..6a9e6f7d80 100644
--- a/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Theme.Shared/wwwroot/libs/abp/aspnetcore-mvc-ui-theme-shared/bootstrap/dom-event-handlers.js
+++ b/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Theme.Shared/wwwroot/libs/abp/aspnetcore-mvc-ui-theme-shared/bootstrap/dom-event-handlers.js
@@ -105,6 +105,7 @@
                 $select.select2({
                     ajax: {
                         url: url,
+                        delay: 250,
                         dataType: "json",
                         data: function (params) {
                             let query = {};
@@ -132,6 +133,7 @@
                     width: '100%',
                     dropdownParent: parentSelector ? $(parentSelector) : $('body'),
                     allowClear: allowClear,
+                    language: abp.localization.currentCulture.cultureName,
                     placeholder: {
                         id: '-1',
                         text: placeholder