diff --git a/framework/src/Volo.Abp.AspNetCore.Mvc.Contracts/Volo/Abp/AspNetCore/Mvc/ApplicationConfigurations/ObjectExtending/ExtensionPropertyUiLookupDto.cs b/framework/src/Volo.Abp.AspNetCore.Mvc.Contracts/Volo/Abp/AspNetCore/Mvc/ApplicationConfigurations/ObjectExtending/ExtensionPropertyUiLookupDto.cs
index d7e7237295..035178df1e 100644
--- a/framework/src/Volo.Abp.AspNetCore.Mvc.Contracts/Volo/Abp/AspNetCore/Mvc/ApplicationConfigurations/ObjectExtending/ExtensionPropertyUiLookupDto.cs
+++ b/framework/src/Volo.Abp.AspNetCore.Mvc.Contracts/Volo/Abp/AspNetCore/Mvc/ApplicationConfigurations/ObjectExtending/ExtensionPropertyUiLookupDto.cs
@@ -9,5 +9,6 @@ namespace Volo.Abp.AspNetCore.Mvc.ApplicationConfigurations.ObjectExtending
         public string ResultListPropertyName { get; set; }
         public string DisplayPropertyName { get; set; }
         public string ValuePropertyName { get; set; }
+        public string FilterParamName { get; set; }
     }
 }
\ No newline at end of file
diff --git a/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Form/AbpSelectTagHelper.cs b/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Form/AbpSelectTagHelper.cs
index 9b5b7a209a..cc8abb6095 100644
--- a/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Form/AbpSelectTagHelper.cs
+++ b/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Form/AbpSelectTagHelper.cs
@@ -29,6 +29,8 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Form
 
         public string AutocompleteValuePropertyName { get; set; }
 
+        public string AutocompleteFilterParamName { get; set; }
+
         public AbpSelectTagHelper(AbpSelectTagHelperService tagHelperService)
             : base(tagHelperService)
         {
diff --git a/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Form/AbpSelectTagHelperService.cs b/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Form/AbpSelectTagHelperService.cs
index ffa6479470..534801d126 100644
--- a/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Form/AbpSelectTagHelperService.cs
+++ b/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Form/AbpSelectTagHelperService.cs
@@ -106,6 +106,7 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Form
                 output.Attributes.Add("data-autocomplete-items-property", TagHelper.AutocompleteItemsPropertyName);
                 output.Attributes.Add("data-autocomplete-display-property", TagHelper.AutocompleteDisplayPropertyName);
                 output.Attributes.Add("data-autocomplete-value-property", TagHelper.AutocompleteValuePropertyName);
+                output.Attributes.Add("data-autocomplete-filter-param-name", TagHelper.AutocompleteFilterParamName);
             }
         }
 
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 f5aca8d9fa..4489a234c1 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
@@ -79,14 +79,14 @@
                 var displayName = $(this).data("autocompleteDisplayProperty");
                 var displayValue = $(this).data("autocompleteValueProperty");
                 var itemsPropertyName = $(this).data("autocompleteItemsProperty");
+                var filterParamName = $(this).data("autocompleteFilterParamName");
                 $select.select2({
                     ajax: {
                         url: url,
                         dataType: "json",
                         data: function (params) {
-                            var query = {
-                                search: params.term
-                            };
+                            var query = {};
+                            query[filterParamName] = params.term;
                             return query;
                         },
                         processResults: function (data) {
@@ -95,7 +95,7 @@
                             if (itemsPropertyName) {
                                 items = data[itemsPropertyName];
                             }
-                            
+
                             items.forEach(function (item, index) {
                                 retVal.push({
                                     id: item[displayValue],
diff --git a/framework/src/Volo.Abp.AspNetCore.Mvc/Volo/Abp/AspNetCore/Mvc/ApplicationConfigurations/ObjectExtending/CachedObjectExtensionsDtoService.cs b/framework/src/Volo.Abp.AspNetCore.Mvc/Volo/Abp/AspNetCore/Mvc/ApplicationConfigurations/ObjectExtending/CachedObjectExtensionsDtoService.cs
index fdc1f93b1a..651f3ed93e 100644
--- a/framework/src/Volo.Abp.AspNetCore.Mvc/Volo/Abp/AspNetCore/Mvc/ApplicationConfigurations/ObjectExtending/CachedObjectExtensionsDtoService.cs
+++ b/framework/src/Volo.Abp.AspNetCore.Mvc/Volo/Abp/AspNetCore/Mvc/ApplicationConfigurations/ObjectExtending/CachedObjectExtensionsDtoService.cs
@@ -148,7 +148,8 @@ namespace Volo.Abp.AspNetCore.Mvc.ApplicationConfigurations.ObjectExtending
                         Url = propertyConfig.UI.Lookup.Url,
                         ResultListPropertyName = propertyConfig.UI.Lookup.ResultListPropertyName,
                         DisplayPropertyName = propertyConfig.UI.Lookup.DisplayPropertyName,
-                        ValuePropertyName = propertyConfig.UI.Lookup.ValuePropertyName
+                        ValuePropertyName = propertyConfig.UI.Lookup.ValuePropertyName,
+                        FilterParamName = propertyConfig.UI.Lookup.FilterParamName
                     }
                 }
             };
diff --git a/framework/src/Volo.Abp.ObjectExtending/Volo/Abp/ObjectExtending/Modularity/ExtensionPropertyLookupConfiguration.cs b/framework/src/Volo.Abp.ObjectExtending/Volo/Abp/ObjectExtending/Modularity/ExtensionPropertyLookupConfiguration.cs
index e781fc8bab..42eaa46da1 100644
--- a/framework/src/Volo.Abp.ObjectExtending/Volo/Abp/ObjectExtending/Modularity/ExtensionPropertyLookupConfiguration.cs
+++ b/framework/src/Volo.Abp.ObjectExtending/Volo/Abp/ObjectExtending/Modularity/ExtensionPropertyLookupConfiguration.cs
@@ -1,4 +1,6 @@
-namespace Volo.Abp.ObjectExtending.Modularity
+using Microsoft.Extensions.Logging;
+
+namespace Volo.Abp.ObjectExtending.Modularity
 {
     public class ExtensionPropertyLookupConfiguration
     {
@@ -6,5 +8,6 @@
         public string ResultListPropertyName { get; set; } = "items";
         public string DisplayPropertyName { get; set; } = "text";
         public string ValuePropertyName { get; set; } = "id";
+        public string FilterParamName { get; set; } = "filter";
     }
 }
\ No newline at end of file
diff --git a/modules/identity/src/Volo.Abp.Identity.Web/Pages/Identity/Roles/CreateModal.cshtml b/modules/identity/src/Volo.Abp.Identity.Web/Pages/Identity/Roles/CreateModal.cshtml
index 07419700e7..25857a407f 100644
--- a/modules/identity/src/Volo.Abp.Identity.Web/Pages/Identity/Roles/CreateModal.cshtml
+++ b/modules/identity/src/Volo.Abp.Identity.Web/Pages/Identity/Roles/CreateModal.cshtml
@@ -29,6 +29,7 @@
                     <abp-select asp-for="Role.ExtraProperties[propertyInfo.Name]"
                                 label="@propertyInfo.GetLocalizedDisplayName(StringLocalizerFactory)"
                                 autocomplete-api-url="@propertyInfo.Lookup.Url"
+                                autocomplete-filter-param-name="@propertyInfo.Lookup.FilterParamName"
                                 autocomplete-items-property-name="@propertyInfo.Lookup.ResultListPropertyName"
                                 autocomplete-display-property-name="@propertyInfo.Lookup.DisplayPropertyName"
                                 autocomplete-value-property-name="@propertyInfo.Lookup.ValuePropertyName"></abp-select>
diff --git a/modules/identity/src/Volo.Abp.Identity.Web/Pages/Identity/Roles/EditModal.cshtml b/modules/identity/src/Volo.Abp.Identity.Web/Pages/Identity/Roles/EditModal.cshtml
index ca45472a02..41b7ee2693 100644
--- a/modules/identity/src/Volo.Abp.Identity.Web/Pages/Identity/Roles/EditModal.cshtml
+++ b/modules/identity/src/Volo.Abp.Identity.Web/Pages/Identity/Roles/EditModal.cshtml
@@ -40,6 +40,7 @@
                     <abp-select asp-for="Role.ExtraProperties[propertyInfo.Name]"
                                 label="@propertyInfo.GetLocalizedDisplayName(StringLocalizerFactory)"
                                 autocomplete-api-url="@propertyInfo.Lookup.Url"
+                                autocomplete-filter-param-name="@propertyInfo.Lookup.FilterParamName"
                                 autocomplete-items-property-name="@propertyInfo.Lookup.ResultListPropertyName"
                                 autocomplete-display-property-name="@propertyInfo.Lookup.DisplayPropertyName"
                                 autocomplete-value-property-name="@propertyInfo.Lookup.ValuePropertyName"></abp-select>
diff --git a/modules/identity/src/Volo.Abp.Identity.Web/Pages/Identity/Users/CreateModal.cshtml b/modules/identity/src/Volo.Abp.Identity.Web/Pages/Identity/Users/CreateModal.cshtml
index 52ca75aa5d..1f3f8c3244 100644
--- a/modules/identity/src/Volo.Abp.Identity.Web/Pages/Identity/Users/CreateModal.cshtml
+++ b/modules/identity/src/Volo.Abp.Identity.Web/Pages/Identity/Users/CreateModal.cshtml
@@ -34,6 +34,7 @@
                             <abp-select asp-for="UserInfo.ExtraProperties[propertyInfo.Name]"
                                         label="@propertyInfo.GetLocalizedDisplayName(StringLocalizerFactory)"
                                         autocomplete-api-url="@propertyInfo.Lookup.Url"
+                                        autocomplete-filter-param-name="@propertyInfo.Lookup.FilterParamName"
                                         autocomplete-items-property-name="@propertyInfo.Lookup.ResultListPropertyName"
                                         autocomplete-display-property-name="@propertyInfo.Lookup.DisplayPropertyName"
                                         autocomplete-value-property-name="@propertyInfo.Lookup.ValuePropertyName"></abp-select>
diff --git a/modules/identity/src/Volo.Abp.Identity.Web/Pages/Identity/Users/EditModal.cshtml b/modules/identity/src/Volo.Abp.Identity.Web/Pages/Identity/Users/EditModal.cshtml
index 29126ff24b..34fc0547be 100644
--- a/modules/identity/src/Volo.Abp.Identity.Web/Pages/Identity/Users/EditModal.cshtml
+++ b/modules/identity/src/Volo.Abp.Identity.Web/Pages/Identity/Users/EditModal.cshtml
@@ -36,6 +36,7 @@
                             <abp-select asp-for="UserInfo.ExtraProperties[propertyInfo.Name]"
                                         label="@propertyInfo.GetLocalizedDisplayName(StringLocalizerFactory)"
                                         autocomplete-api-url="@propertyInfo.Lookup.Url"
+                                        autocomplete-filter-param-name="@propertyInfo.Lookup.FilterParamName"
                                         autocomplete-items-property-name="@propertyInfo.Lookup.ResultListPropertyName"
                                         autocomplete-display-property-name="@propertyInfo.Lookup.DisplayPropertyName"
                                         autocomplete-value-property-name="@propertyInfo.Lookup.ValuePropertyName"></abp-select>
diff --git a/modules/tenant-management/src/Volo.Abp.TenantManagement.Web/Pages/TenantManagement/Tenants/CreateModal.cshtml b/modules/tenant-management/src/Volo.Abp.TenantManagement.Web/Pages/TenantManagement/Tenants/CreateModal.cshtml
index df05a35038..305aec2f34 100644
--- a/modules/tenant-management/src/Volo.Abp.TenantManagement.Web/Pages/TenantManagement/Tenants/CreateModal.cshtml
+++ b/modules/tenant-management/src/Volo.Abp.TenantManagement.Web/Pages/TenantManagement/Tenants/CreateModal.cshtml
@@ -29,6 +29,7 @@
                     <abp-select asp-for="Tenant.ExtraProperties[propertyInfo.Name]"
                                 label="@propertyInfo.GetLocalizedDisplayName(StringLocalizerFactory)"
                                 autocomplete-api-url="@propertyInfo.Lookup.Url"
+                                autocomplete-filter-param-name="@propertyInfo.Lookup.FilterParamName"
                                 autocomplete-items-property-name="@propertyInfo.Lookup.ResultListPropertyName"
                                 autocomplete-display-property-name="@propertyInfo.Lookup.DisplayPropertyName"
                                 autocomplete-value-property-name="@propertyInfo.Lookup.ValuePropertyName"></abp-select>
diff --git a/modules/tenant-management/src/Volo.Abp.TenantManagement.Web/Pages/TenantManagement/Tenants/EditModal.cshtml b/modules/tenant-management/src/Volo.Abp.TenantManagement.Web/Pages/TenantManagement/Tenants/EditModal.cshtml
index d35307956c..50b434b3f7 100644
--- a/modules/tenant-management/src/Volo.Abp.TenantManagement.Web/Pages/TenantManagement/Tenants/EditModal.cshtml
+++ b/modules/tenant-management/src/Volo.Abp.TenantManagement.Web/Pages/TenantManagement/Tenants/EditModal.cshtml
@@ -25,6 +25,7 @@
                     <abp-select asp-for="Tenant.ExtraProperties[propertyInfo.Name]"
                                 label="@propertyInfo.GetLocalizedDisplayName(StringLocalizerFactory)"
                                 autocomplete-api-url="@propertyInfo.Lookup.Url"
+                                autocomplete-filter-param-name="@propertyInfo.Lookup.FilterParamName"
                                 autocomplete-items-property-name="@propertyInfo.Lookup.ResultListPropertyName"
                                 autocomplete-display-property-name="@propertyInfo.Lookup.DisplayPropertyName"
                                 autocomplete-value-property-name="@propertyInfo.Lookup.ValuePropertyName"></abp-select>