diff --git a/docs/.vitepress/config.ts b/docs/.vitepress/config.ts
index d35d5a13..c44f2c92 100644
--- a/docs/.vitepress/config.ts
+++ b/docs/.vitepress/config.ts
@@ -201,7 +201,16 @@ export default defineConfig({
             },
             {
               text: 'uiService',
-              link: '/api/editor/uiServiceMethods.md',
+              items: [
+                {
+                  text: '方法',
+                  link: '/api/editor/uiServiceMethods.md',
+                },
+                {
+                  text: '事件',
+                  link: '/api/editor/uiServiceEvents.md',
+                },
+              ],
             },
             {
               text: 'codeBlockService',
diff --git a/docs/api/editor/uiServiceEvents.md b/docs/api/editor/uiServiceEvents.md
new file mode 100644
index 00000000..3b634028
--- /dev/null
+++ b/docs/api/editor/uiServiceEvents.md
@@ -0,0 +1,28 @@
+# uiService事件
+
+## state-change
+
+- **详情：** UI 状态发生变化时触发，[uiService.set()](./uiServiceMethods.md#set) 在写入的新值与旧值不同时触发
+
+- **事件回调函数：** `(name: keyof UiState, value: UiState[typeof name], preValue: UiState[typeof name]) => void`
+
+  ::: details 查看 UiState 类型定义
+  <<< @/../packages/editor/src/type.ts#UiState{ts}
+  :::
+
+- **示例：**
+
+```js
+import { uiService } from '@tmagic/editor';
+
+uiService.on('state-change', (name, value, preValue) => {
+  console.log(`${name} 从`, preValue, '变为', value);
+});
+
+uiService.set('zoom', 1.5);
+```
+
+:::tip
+- 新值与旧值相同时不会触发该事件
+- 通过 `set('stageRect', value)` 修改画布尺寸时，内部会走 `setStageRect` 逻辑并可能联动更新 `zoom`，但不会触发 `state-change` 事件
+:::
diff --git a/docs/api/editor/uiServiceMethods.md b/docs/api/editor/uiServiceMethods.md
index 3b3ca6bd..f1e2d121 100644
--- a/docs/api/editor/uiServiceMethods.md
+++ b/docs/api/editor/uiServiceMethods.md
@@ -13,7 +13,7 @@
 
 - **详情：**
 
-  设置UI服务的状态
+  设置UI服务的状态。新值与旧值不同时会触发 [`state-change`](./uiServiceEvents.md#state-change) 事件
   
   可用的状态键：
   - `uiSelectMode`: UI选择模式
@@ -31,6 +31,7 @@
   - `showPageListButton`: 是否显示页面列表按钮
   - `hideSlideBar`: 是否隐藏侧边栏
   - `sideBarItems`: 侧边栏项目
+  - `sideBarActiveTabName`: 当前激活的侧边栏面板
   - `navMenuRect`: 导航菜单尺寸
   - `frameworkRect`: 框架尺寸
 
diff --git a/packages/editor/src/layouts/sidebar/Sidebar.vue b/packages/editor/src/layouts/sidebar/Sidebar.vue
index fc2378f1..ffdb8288 100644
--- a/packages/editor/src/layouts/sidebar/Sidebar.vue
+++ b/packages/editor/src/layouts/sidebar/Sidebar.vue
@@ -239,7 +239,12 @@ const unWatchEditorContentHeight = watch(
   },
 );
 
-const activeTabName = ref(props.data?.status);
+const activeTabName = computed<string>({
+  get: () => uiService.get('sideBarActiveTabName'),
+  set: (value) => uiService.set('sideBarActiveTabName', value),
+});
+
+uiService.set('sideBarActiveTabName', props.data?.status || '');
 
 const getItemConfig = (data: SideItem): SideComponent => {
   const map: Record<string, SideComponent> = {
diff --git a/packages/editor/src/services/ui.ts b/packages/editor/src/services/ui.ts
index f651b7c2..bc5fa497 100644
--- a/packages/editor/src/services/ui.ts
+++ b/packages/editor/src/services/ui.ts
@@ -62,6 +62,7 @@ const state = shallowReactive<UiState>({
   showPageListButton: true,
   hideSlideBar: false,
   sideBarItems: [],
+  sideBarActiveTabName: '',
   navMenuRect: {
     left: 0,
     top: 0,
@@ -104,7 +105,13 @@ class Ui extends BaseService {
       mask?.showRule(value as unknown as boolean);
     }
 
+    const preValue = state[name];
+
     state[name] = value;
+
+    if (preValue !== value) {
+      this.emit('state-change', name, value, preValue);
+    }
   }
 
   public get<K extends keyof UiState>(name: K) {
diff --git a/packages/editor/src/type.ts b/packages/editor/src/type.ts
index 088be110..01cad151 100644
--- a/packages/editor/src/type.ts
+++ b/packages/editor/src/type.ts
@@ -312,6 +312,8 @@ export interface UiState {
   hideSlideBar: boolean;
   /** 侧边栏面板配置 */
   sideBarItems: SideComponent[];
+  /** 当前激活的侧边栏面板 */
+  sideBarActiveTabName: string;
 
   // navMenu 的宽高
   navMenuRect: {
diff --git a/packages/editor/tests/unit/layouts/sidebar/Sidebar.spec.ts b/packages/editor/tests/unit/layouts/sidebar/Sidebar.spec.ts
index a6f331c5..f22d3c34 100644
--- a/packages/editor/tests/unit/layouts/sidebar/Sidebar.spec.ts
+++ b/packages/editor/tests/unit/layouts/sidebar/Sidebar.spec.ts
@@ -4,15 +4,18 @@
  * Copyright (C) 2025 Tencent.
  */
 import { beforeEach, describe, expect, test, vi } from 'vitest';
-import { defineComponent, h, nextTick } from 'vue';
+import { defineComponent, h, nextTick, reactive } from 'vue';
 import { mount } from '@vue/test-utils';
 
 import Sidebar from '@editor/layouts/sidebar/Sidebar.vue';
 
 const depService = { get: vi.fn(() => false) };
+const uiState: Record<string, any> = reactive({});
 const uiService = {
-  get: vi.fn(() => ({ left: 200 })),
-  set: vi.fn(),
+  get: vi.fn((name: string) => (name === 'sideBarActiveTabName' ? uiState.sideBarActiveTabName : { left: 200 })),
+  set: vi.fn((name: string, value: any) => {
+    uiState[name] = value;
+  }),
 };
 const propsService = {
   getDisabledDataSource: vi.fn(() => false),
@@ -91,7 +94,10 @@ beforeEach(() => {
   vi.clearAllMocks();
   propsService.getDisabledDataSource.mockReturnValue(false);
   propsService.getDisabledCodeBlock.mockReturnValue(false);
-  uiService.get.mockReturnValue({ left: 200 });
+  Object.keys(uiState).forEach((key) => delete uiState[key]);
+  uiService.get.mockImplementation((name: string) =>
+    name === 'sideBarActiveTabName' ? uiState.sideBarActiveTabName : { left: 200 },
+  );
 });
 
 const baseProps = (extra: any = {}) => ({