diff --git a/packages/frontend/src/pages/rooms/room.add-furniture-dialog.vue b/packages/frontend/src/pages/rooms/room.add-furniture-dialog.vue
index b2c01eba13..2bf1e3cbe8 100644
--- a/packages/frontend/src/pages/rooms/room.add-furniture-dialog.vue
+++ b/packages/frontend/src/pages/rooms/room.add-furniture-dialog.vue
@@ -94,6 +94,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 import { ref, useTemplateRef, watch, onMounted, onUnmounted, reactive, nextTick, shallowRef, computed, triggerRef, markRaw } from 'vue';
 import * as Misskey from 'misskey-js';
 import { FURNITURE_SCHEMA_DEFS } from 'misskey-world/src/room/furniture-schema-defs.js';
+import { throttle } from 'throttle-debounce';
 import XItem from './room.add-furniture-dialog.item.vue';
 import type { PreviewEngineControllerOptions } from '@/world/room/previewEngineController.js';
 import type { RoomAttachments } from 'misskey-world/src/room/type.js';
@@ -247,10 +248,10 @@ watch(selectedId, (newId) => {
 	}
 });
 
-function updateFurnitureOption(k: string, v: any) {
+const updateFurnitureOption = throttle(100, (k: string, v: any) => {
 	controller.updateFurnitureOption(k, deepClone(v), attachments);
 	selectedFunitureOptionsState.value![k] = v;
-}
+});
 
 function ok() {
 	if (selectedId.value == null) return;
diff --git a/packages/frontend/src/pages/rooms/room.core.vue b/packages/frontend/src/pages/rooms/room.core.vue
index 2cc05a9407..085cc60a61 100644
--- a/packages/frontend/src/pages/rooms/room.core.vue
+++ b/packages/frontend/src/pages/rooms/room.core.vue
@@ -170,6 +170,7 @@ import { FURNITURE_SCHEMA_DEFS } from 'misskey-world/src/room/furniture-schema-d
 import { useInterval } from '@@/js/use-interval.js';
 import { url } from '@@/js/config.js';
 import { getDefaultCustomMadoriEnvOptions, getDefaultJapaneseEnvOptions, getDefaultMuseumEnvOptions, getDefaultSimpleEnvOptions } from 'misskey-world/src/room/env.js';
+import { throttle } from 'throttle-debounce';
 import XEnvOptions from './room.env-options.vue';
 import XOverlayPanel from './OverlayPanel.vue';
 import type { RoomControllerOptions } from '@/world/room/controller.js';
@@ -452,10 +453,10 @@ function showSnappingMenu(ev: PointerEvent) {
 	}], ev.currentTarget ?? ev.target);
 }
 
-function updateFurnitureOption(k: string, v: any) {
+const updateFurnitureOption = throttle(100, (k: string, v: any) => {
 	// TODO: podtMrssageのコスト削減のためattachmentsは更新がある場合のみ送る
 	controller.updateFurnitureOption(controller.selected.value.furnitureId, k, deepClone(v), attachments);
-}
+});
 
 async function addFuniture(ev: PointerEvent) {
 	// 重いので止める