diff --git a/packages/design/dev/data.ts b/packages/design/dev/data.ts
index fb49006..8954ed3 100644
--- a/packages/design/dev/data.ts
+++ b/packages/design/dev/data.ts
@@ -1,11 +1,12 @@
+import { createUUID } from '@idraw/util';
 import type { DesignData } from '../src';
 
 const data: DesignData = {
   components: [
     {
-      uuid: 'demo-xxx-001',
+      uuid: createUUID(),
       type: 'component',
-      name: 'demo',
+      name: 'Button default',
       x: 50,
       y: 50,
       w: 100,
@@ -14,7 +15,7 @@ const data: DesignData = {
         bgColor: '#1f1f1f',
         children: [
           {
-            uuid: 'group-001-0014',
+            uuid: createUUID(),
             type: 'circle',
             x: -40,
             y: 0,
@@ -25,7 +26,7 @@ const data: DesignData = {
             }
           },
           {
-            uuid: 'group-001-0015',
+            uuid: createUUID(),
             type: 'circle',
             x: -20,
             y: 0,
@@ -36,7 +37,7 @@ const data: DesignData = {
             }
           },
           {
-            uuid: 'group-001-0016',
+            uuid: createUUID(),
             type: 'circle',
             x: 0,
             y: 0,
@@ -47,7 +48,7 @@ const data: DesignData = {
             }
           },
           {
-            uuid: 'group-001-0017',
+            uuid: createUUID(),
             type: 'circle',
             x: 20,
             y: 0,
@@ -58,7 +59,7 @@ const data: DesignData = {
             }
           },
           {
-            uuid: 'group-001-0018',
+            uuid: createUUID(),
             type: 'circle',
             x: 40,
             y: 0,
@@ -72,9 +73,9 @@ const data: DesignData = {
       }
     },
     {
-      uuid: 'demo-xxx-002',
+      uuid: createUUID(),
       type: 'component',
-      name: 'demo',
+      name: 'Button primary',
       x: 50,
       y: 50,
       w: 100,
@@ -83,7 +84,7 @@ const data: DesignData = {
         bgColor: '#f0f0f0',
         children: [
           {
-            uuid: 'group-001-0014',
+            uuid: createUUID(),
             type: 'circle',
             x: -40,
             y: 0,
@@ -94,7 +95,7 @@ const data: DesignData = {
             }
           },
           {
-            uuid: 'group-001-0015',
+            uuid: createUUID(),
             type: 'circle',
             x: -20,
             y: 0,
@@ -105,7 +106,7 @@ const data: DesignData = {
             }
           },
           {
-            uuid: 'group-001-0016',
+            uuid: createUUID(),
             type: 'circle',
             x: 0,
             y: 0,
@@ -116,7 +117,7 @@ const data: DesignData = {
             }
           },
           {
-            uuid: 'group-001-0017',
+            uuid: createUUID(),
             type: 'circle',
             x: 20,
             y: 0,
@@ -127,7 +128,7 @@ const data: DesignData = {
             }
           },
           {
-            uuid: 'group-001-0018',
+            uuid: createUUID(),
             type: 'circle',
             x: 40,
             y: 0,
diff --git a/packages/design/dev/main.tsx b/packages/design/dev/main.tsx
index 1f8cd79..8568b59 100644
--- a/packages/design/dev/main.tsx
+++ b/packages/design/dev/main.tsx
@@ -1,5 +1,6 @@
 import React, { useState, useEffect } from 'react';
 import { createRoot } from 'react-dom/client';
+import data from './data';
 import { Design } from '../src/index';
 
 const dom = document.querySelector('#lab') as HTMLDivElement;
@@ -20,7 +21,7 @@ const App = () => {
   const width = 800;
   const height = 600;
 
-  return <Design width={width} height={height} mode={'dark'} style={style} />;
+  return <Design width={width} height={height} style={style} designData={data} />;
 };
 
 root.render(<App />);
diff --git a/packages/design/src/context.ts b/packages/design/src/context.ts
index d06a9a7..9cf4b10 100644
--- a/packages/design/src/context.ts
+++ b/packages/design/src/context.ts
@@ -1,13 +1,16 @@
 import { createContext } from 'react';
 import type { Dispatch } from 'react';
+import type { Data } from '@idraw/types';
 import { DesignData } from './types';
 
 export interface DesignState {
-  data: DesignData;
+  designData: DesignData | null;
+  viewDrawData: Data | null;
+  viewDrawUUID: string | null;
   themeMode: 'light' | 'dark';
 }
 
-export type DesignActionType = 'updateThemeMode' | 'updateData';
+export type DesignActionType = 'updateThemeMode' | 'updateDesignData';
 
 export type DesignAction = {
   type: DesignActionType;
@@ -42,14 +45,14 @@ export function createDesignReducer(state: DesignState, action: DesignAction): D
         }
       };
     }
-    case 'updateData': {
-      if (!action?.payload?.data) {
+    case 'updateDesignData': {
+      if (!action?.payload?.designData) {
         return state;
       }
       return {
         ...state,
         ...{
-          data: action?.payload?.data
+          data: action?.payload?.designData
         }
       };
     }
@@ -60,8 +63,10 @@ export function createDesignReducer(state: DesignState, action: DesignAction): D
 
 export function createDesignContextState(opts?: Partial<DesignState>): DesignState {
   return {
-    data: opts?.data || createDesignData(),
-    themeMode: opts?.themeMode || 'light'
+    designData: opts?.designData || createDesignData(),
+    themeMode: opts?.themeMode || 'light',
+    viewDrawData: null,
+    viewDrawUUID: null
   };
 }
 
diff --git a/packages/design/src/index.tsx b/packages/design/src/index.tsx
index cd9003d..e24941e 100644
--- a/packages/design/src/index.tsx
+++ b/packages/design/src/index.tsx
@@ -13,24 +13,24 @@ const themeName = 'theme';
 const themePrefixName = createPrefixName(themeName);
 
 export type DesignProps = SketchProps & {
-  data?: DesignData;
+  designData?: DesignData;
   locale?: string; // TODO
   themeMode?: 'light' | 'dark';
 };
 
 export const Design = (props: DesignProps) => {
-  const { width = 1000, height = 600, style, className, data, themeMode } = props;
+  const { width = 1000, height = 600, style, className, designData, themeMode } = props;
 
-  const [state, dispatch] = useReducer(createDesignReducer, createDesignContextState({ data, themeMode }));
+  const [state, dispatch] = useReducer(createDesignReducer, createDesignContextState({ designData, themeMode }));
 
   useEffect(() => {
-    if (data) {
+    if (designData) {
       dispatch({
-        type: 'updateData',
-        payload: { data }
+        type: 'updateDesignData',
+        payload: { designData }
       });
     }
-  }, [data]);
+  }, [designData]);
 
   return (
     <Provider value={{ state, dispatch }}>
diff --git a/packages/design/src/modules/panel-layer/index.tsx b/packages/design/src/modules/panel-layer/index.tsx
index e805bf6..11c785d 100644
--- a/packages/design/src/modules/panel-layer/index.tsx
+++ b/packages/design/src/modules/panel-layer/index.tsx
@@ -7,27 +7,35 @@ import { prefixName } from './config';
 import { LayerTree } from './layer-tree';
 import FileOutlined from '@ant-design/icons/FileOutlined';
 import AppstoreOutlined from '@ant-design/icons/AppstoreOutlined';
-import ProjectOutlined from '@ant-design/icons/ProjectOutlined';
+import CalculatorOutlined from '@ant-design/icons/CalculatorOutlined';
 
 const items: TabsProps['items'] = [
   {
-    key: '1',
+    key: 'page',
     label: <FileOutlined className={prefixName('tab', 'title')} />,
     children: (
       <div style={{ width: '100%', overflow: 'auto' }}>
-        <LayerTree />
+        <LayerTree type="page" />
       </div>
     )
   },
   {
-    key: '2',
+    key: 'module',
     label: <AppstoreOutlined className={prefixName('tab', 'title')} />,
-    children: `Content of Tab Pane 2`
+    children: (
+      <div style={{ width: '100%', overflow: 'auto' }}>
+        <LayerTree type="module" />
+      </div>
+    )
   },
   {
-    key: '3',
-    label: <ProjectOutlined className={prefixName('tab', 'title')} />,
-    children: `Content of Tab Pane 3`
+    key: 'component',
+    label: <CalculatorOutlined className={prefixName('tab', 'title')} />,
+    children: (
+      <div style={{ width: '100%', overflow: 'auto' }}>
+        <LayerTree type="component" />
+      </div>
+    )
   }
 ];
 
@@ -38,11 +46,13 @@ export interface PanelLayerProps {
 
 export const PanelLayer = (props: PanelLayerProps) => {
   const { className, style } = props;
+
+  const defaultTabKey = items[2].key;
   return (
     <div style={style} className={classnames(prefixName(), className)}>
       {/* <div className={prefixName('header')}>header</div> */}
       <div className={prefixName('content')}>
-        <Tabs className={prefixName('tabs')} defaultActiveKey="1" centered items={items} size="small" />
+        <Tabs className={prefixName('tabs')} defaultActiveKey={defaultTabKey} centered items={items} size="small" />
       </div>
       {/* <div className={prefixName('footer')}>footer</div> */}
     </div>
diff --git a/packages/design/src/modules/panel-layer/layer-tree.tsx b/packages/design/src/modules/panel-layer/layer-tree.tsx
index 9e10758..ca8baec 100644
--- a/packages/design/src/modules/panel-layer/layer-tree.tsx
+++ b/packages/design/src/modules/panel-layer/layer-tree.tsx
@@ -1,78 +1,38 @@
-import React from 'react';
-import type { CSSProperties } from 'react';
+import React, { useEffect, useContext } from 'react';
 import classnames from 'classnames';
 import Tree from 'antd/es/tree';
 import DownOutlined from '@ant-design/icons/DownOutlined';
 import { prefixName } from './config';
+import { Context } from '../../context';
+import { parseComponentViewTree } from '../../util/component';
+
+import type { CSSProperties } from 'react';
 import type { DataNode, TreeProps } from 'antd/es/tree';
+import type { DesignItemType } from '../../types';
 
 const { DirectoryTree } = Tree;
-
-const treeData: DataNode[] = [0, 1].map((i) => {
-  return {
-    title: 'design-layer-data parent 1',
-    key: `${i}-0`,
-    children: [
-      {
-        title: 'design-layer-data parent 1-0',
-        key: `${i}-0-0`,
-        children: [
-          {
-            title: 'design-layer-data leaf',
-            key: `${i}-0-0-0`
-          },
-          {
-            title: 'design-layer-data leaf',
-            key: `${i}-0-0-1`
-          },
-          {
-            title: 'design-layer-data leaf',
-            key: `${i}-0-0-2`
-          }
-        ]
-      },
-      {
-        title: 'design-layer-data parent 1-1',
-        key: `${i}-0-1`,
-        children: [
-          {
-            title: 'design-layer-data leaf',
-            key: `${i}-0-1-0`
-          }
-        ]
-      },
-      {
-        title: 'design-layer-data parent 1-2',
-        key: `${i}-0-2`,
-        children: [
-          {
-            title: 'design-layer-data leaf',
-            key: `${i}-0-2-0`
-          },
-          {
-            title: 'design-layer-data leaf',
-            key: `${i}-0-2-1`
-          }
-        ]
-      }
-    ]
-  };
-});
-
 const baseName = 'layer-tree';
 
 export interface LayerTreeProps {
   className?: string;
   style?: CSSProperties;
+  type: DesignItemType;
 }
 
 export const LayerTree = (props: LayerTreeProps) => {
-  const { className, style } = props;
+  const { className, style, type } = props;
+  const { state } = useContext(Context);
 
   const onSelect: TreeProps['onSelect'] = (selectedKeys, info) => {
     console.log('selected', selectedKeys, info);
   };
 
+  let treeData: DataNode[] = [];
+
+  if (type === 'component') {
+    treeData = parseComponentViewTree(state?.designData || null);
+  }
+
   return (
     <div style={style} className={classnames(prefixName(baseName), className)}>
       <DirectoryTree showLine blockNode switcherIcon={<DownOutlined />} icon={null} defaultExpandedKeys={['0-0-0']} onSelect={onSelect} treeData={treeData} />
diff --git a/packages/design/src/types/data.ts b/packages/design/src/types/data.ts
index 634e6d4..f613900 100644
--- a/packages/design/src/types/data.ts
+++ b/packages/design/src/types/data.ts
@@ -1,9 +1,11 @@
 import type { Element, ElementType, ElementSize, ElementBaseDesc } from '@idraw/types';
 
+export type DesignItemType = 'component' | 'module' | 'page';
+
 export type DesignComponent = Omit<ElementSize, 'angle'> & {
   uuid: string;
   type: 'component';
-  name?: string;
+  name: string;
   desc?: ElementBaseDesc & {
     children: Array<Element<ElementType> | DesignComponent>;
   };
@@ -12,7 +14,7 @@ export type DesignComponent = Omit<ElementSize, 'angle'> & {
 export type DesignModule = Omit<ElementSize, 'angle'> & {
   uuid: string;
   type: 'module';
-  name?: string;
+  name: string;
   desc?: ElementBaseDesc & {
     children: Array<DesignComponent>;
   };
@@ -21,7 +23,7 @@ export type DesignModule = Omit<ElementSize, 'angle'> & {
 export type DesignPage = Omit<ElementSize, 'angle'> & {
   uuid: string;
   type: 'page';
-  name?: string;
+  name: string;
   desc: ElementBaseDesc & {
     children: Array<DesignModule>;
   };
diff --git a/packages/design/src/types/index.ts b/packages/design/src/types/index.ts
index 3707679..d90f396 100644
--- a/packages/design/src/types/index.ts
+++ b/packages/design/src/types/index.ts
@@ -1 +1,2 @@
 export * from './data';
+export * from './view';
diff --git a/packages/design/src/types/view.ts b/packages/design/src/types/view.ts
new file mode 100644
index 0000000..0a4b83b
--- /dev/null
+++ b/packages/design/src/types/view.ts
@@ -0,0 +1,5 @@
+export interface ViewTreeNode {
+  title: string;
+  key: string;
+  children?: ViewTreeNode[];
+}
diff --git a/packages/design/src/util/component.ts b/packages/design/src/util/component.ts
new file mode 100644
index 0000000..4085a4a
--- /dev/null
+++ b/packages/design/src/util/component.ts
@@ -0,0 +1,24 @@
+import { Data } from '@idraw/types';
+import { ViewTreeNode, DesignData, DesignComponent } from '../types';
+
+export function parseComponentViewTree(designData: DesignData | null): ViewTreeNode[] {
+  const list: ViewTreeNode[] = [];
+  designData?.components?.forEach((comp: DesignComponent) => {
+    const children: ViewTreeNode[] = [];
+    if (Array.isArray(comp?.desc?.children)) {
+      comp?.desc?.children?.forEach((child) => {
+        children.push({
+          key: child.uuid,
+          title: child.name || 'Unamed',
+          children: []
+        });
+      });
+    }
+    list.push({
+      key: comp.uuid,
+      title: comp.name || 'Unamed',
+      children
+    });
+  });
+  return list;
+}