diff --git a/packages/designer/src/component-meta.ts b/packages/designer/src/component-meta.ts
index dd4b964c4..1410ea334 100644
--- a/packages/designer/src/component-meta.ts
+++ b/packages/designer/src/component-meta.ts
@@ -352,6 +352,8 @@ const builtinComponentActions: ComponentAction[] = [
       title: intlNode('copy'),
       action(node: Node) {
         // node.remove();
+        const { document: doc, parent, schema, index } = node;
+        parent && doc.insertNode(parent, schema, index);
       },
     },
     important: true,
diff --git a/packages/designer/src/designer/builtin-hotkey.ts b/packages/designer/src/designer/builtin-hotkey.ts
index d11edbe03..7831f95e3 100644
--- a/packages/designer/src/designer/builtin-hotkey.ts
+++ b/packages/designer/src/designer/builtin-hotkey.ts
@@ -58,14 +58,15 @@ hotkey.bind(['command+c', 'ctrl+c', 'command+x', 'ctrl+x'], (e, action) => {
   const data = { type: 'nodeSchema', componentsMap, componentsTree };
 
   clipboard.setData(data);
-  /*
+
   const cutMode = action.indexOf('x') > 0;
   if (cutMode) {
-    const parentNode = selected.getParent();
-    parentNode.select();
-    selected.remove();
+    selected.forEach((node) => {
+      const parentNode = node.getParent();
+      parentNode?.select();
+      node.remove();
+    });
   }
-  */
 });
 
 // command + v paste
diff --git a/packages/designer/src/document/document-model.ts b/packages/designer/src/document/document-model.ts
index 16f3df6d6..e4442734f 100644
--- a/packages/designer/src/document/document-model.ts
+++ b/packages/designer/src/document/document-model.ts
@@ -41,6 +41,7 @@ export class DocumentModel {
   private seqId = 0;
   private _simulator?: ISimulatorHost;
 
+
   /**
    * 模拟器
    */
@@ -110,6 +111,14 @@ export class DocumentModel {
   }
 
   readonly designer = this.project.designer;
+  //  getAddonData(name: string) {
+  //   const addon = this.addons.find((item) => item.name === name);
+  //   if (addon) {
+  //     return addon.exportData();
+  //   }
+  //   return this.addonsData[name];
+  // }
+
 
   /**
    * 生成唯一id
@@ -230,6 +239,14 @@ export class DocumentModel {
     this.selection.remove(node.id);
     node.remove();
   }
+  getAddonData(name: string) {
+    const addon = this.getNode(name)
+    if (addon) {
+      // 无法确定是否有这个api
+      // return addon.exportData();
+    }
+    return addon
+  }
 
   @obx.ref private _dropLocation: DropLocation | null = null;
   /**
diff --git a/packages/designer/src/document/history.ts b/packages/designer/src/document/history.ts
index 0f283b65b..8a37f1032 100644
--- a/packages/designer/src/document/history.ts
+++ b/packages/designer/src/document/history.ts
@@ -174,6 +174,10 @@ export class History {
     this.emitter.removeAllListeners();
     this.records = [];
   }
+
+  isModified() {
+    return this.point !== this.session.cursor;
+  }
 }
 
 class Session {
diff --git a/packages/editor-skeleton/src/widget/dock.ts b/packages/editor-skeleton/src/widget/dock.ts
index c63bbdc2c..4b2081e53 100644
--- a/packages/editor-skeleton/src/widget/dock.ts
+++ b/packages/editor-skeleton/src/widget/dock.ts
@@ -45,6 +45,8 @@ export default class Dock implements IWidget {
     } else {
       this._body = createElement(DockView, props);
     }
+    this.inited = true;
+    
     return this._body;
   }
 
diff --git a/packages/vision-preset/src/env.ts b/packages/vision-preset/src/env.ts
index bd5ab894a..8c7eae39b 100644
--- a/packages/vision-preset/src/env.ts
+++ b/packages/vision-preset/src/env.ts
@@ -1,13 +1,13 @@
 import { EventEmitter } from 'events';
 import { ALI_SCHEMA_VERSION } from './base/const';
+import { obx } from '@ali/lowcode-editor-core';
 
 interface ILiteralObject {
   [key: string]: any;
 }
 
 export class Env {
-
-  public envs: ILiteralObject;
+  @obx.val envs: ILiteralObject = {};
 
   private emitter: EventEmitter;
   private featureMap: ILiteralObject;
@@ -15,23 +15,22 @@ export class Env {
   constructor() {
     this.emitter = new EventEmitter();
     this.emitter.setMaxListeners(0);
-    this.envs = {};
     this.featureMap = {};
   }
 
-  public get(name: string): any {
+  get(name: string): any {
     return this.getEnv(name);
   }
 
-  public getEnv(name: string): any {
+  getEnv(name: string): any {
     return this.envs[name];
   }
 
-  public set(name: string, value: any) {
+  set(name: string, value: any) {
     return this.setEnv(name, value);
   }
 
-  public setEnv(name: string, value: any) {
+  setEnv(name: string, value: any) {
     const orig = this.envs[name];
     if (JSON.stringify(orig) === JSON.stringify(value)) {
       return;
@@ -40,47 +39,47 @@ export class Env {
     this.emitter.emit('envchange', this.envs, name, value);
   }
 
-  public setEnvMap(envs: ILiteralObject): void {
+  setEnvMap(envs: ILiteralObject): void {
     this.envs = Object.assign(this.envs, envs);
     this.emitter.emit('envchange', this.envs);
   }
 
-  public getLocale(): string {
+  getLocale(): string {
     return this.getEnv('locale') || 'zh_CN';
   }
 
-  public setLocale(locale: string) {
+  setLocale(locale: string) {
     this.setEnv('locale', locale);
   }
 
-  public setExpertMode(flag: string) {
+  setExpertMode(flag: string) {
     this.setEnv('expertMode', !!flag);
   }
 
-  public isExpertMode() {
+  isExpertMode() {
     return !!this.getEnv('expertMode');
   }
 
-  public getSupportFeatures() {
+  getSupportFeatures() {
     return Object.assign({}, this.featureMap);
   }
 
-  public setSupportFeatures(features: ILiteralObject) {
+  setSupportFeatures(features: ILiteralObject) {
     this.featureMap = Object.assign({}, this.featureMap, features);
   }
 
-  public supports(name = 'supports') {
+  supports(name = 'supports') {
     return !!this.featureMap[name];
   }
 
-  public onEnvChange(func: (envs: ILiteralObject, name: string, value: any) => any) {
+  onEnvChange(func: (envs: ILiteralObject, name: string, value: any) => any) {
     this.emitter.on('envchange', func);
     return () => {
       this.emitter.removeListener('envchange', func);
     };
   }
 
-  public getAliSchemaVersion() {
+  getAliSchemaVersion() {
     return ALI_SCHEMA_VERSION;
   }
 }
diff --git a/packages/vision-preset/src/i18n-reducer.ts b/packages/vision-preset/src/i18n-reducer.ts
index 693ee0cae..a1a153932 100644
--- a/packages/vision-preset/src/i18n-reducer.ts
+++ b/packages/vision-preset/src/i18n-reducer.ts
@@ -1,5 +1,5 @@
-const I18nUtil = require('@ali/ve-i18n-util');
 import Env from './env';
+const I18nUtil = require('@ali/ve-i18n-util');
 
 interface I18nObject {
   type?: string;
@@ -9,7 +9,9 @@ interface I18nObject {
 }
 
 export function i18nReducer(obj?: any): any {
-  if (!obj) { return obj; }
+  if (!obj) {
+    return obj;
+  }
   if (Array.isArray(obj)) {
     return obj.map((item) => i18nReducer(item));
   }
@@ -18,6 +20,7 @@ export function i18nReducer(obj?: any): any {
       // FIXME! use editor.get
       let locale = Env.getLocale();
       if (obj.key) {
+        // FIXME: 此处需要升级I18nUtil，改成响应式
         return I18nUtil.get(obj.key, locale);
       }
       if (locale !== 'zh_CN' && locale !== 'zh_TW' && !obj[locale]) {
diff --git a/packages/vision-preset/src/index.ts b/packages/vision-preset/src/index.ts
index 23dbe607a..ed632b3ef 100644
--- a/packages/vision-preset/src/index.ts
+++ b/packages/vision-preset/src/index.ts
@@ -25,6 +25,7 @@ import DragEngine from './drag-engine';
 import Viewport from './viewport';
 import Project from './project';
 import { designer, editor } from './editor';
+import Symbols from './symbols';
 
 import './vision.less';
 
@@ -109,6 +110,7 @@ const VisualEngine = {
   Version,
   Project,
   logger,
+  Symbols,
 };
 
 (window as any).VisualEngine = VisualEngine;
@@ -156,6 +158,7 @@ export {
   Version,
   Project,
   logger,
+  Symbols,
 };
 
 
diff --git a/packages/vision-preset/src/panes.ts b/packages/vision-preset/src/panes.ts
index e9d509525..3be27f531 100644
--- a/packages/vision-preset/src/panes.ts
+++ b/packages/vision-preset/src/panes.ts
@@ -85,10 +85,10 @@ function upgradeConfig(config: OldPaneConfig): IWidgetBaseConfig & { area: strin
       };
 
       if (contents && Array.isArray(contents)) {
-        newConfig.content = contents.map(({ title, content, tip }) => {
+        newConfig.content = contents.map(({ title, content, tip }, index) => {
           return {
             type: 'Panel',
-            name: title,
+            name: typeof title === 'string' ? title : `${name}:${index}`,
             content,
             props: {
               title,
diff --git a/packages/vision-preset/src/symbols.ts b/packages/vision-preset/src/symbols.ts
new file mode 100644
index 000000000..81091e371
--- /dev/null
+++ b/packages/vision-preset/src/symbols.ts
@@ -0,0 +1,17 @@
+export class SymbolManager {
+  private symbolMap: { [symbolName: string]: symbol } = {};
+
+  public create(name: string): symbol {
+    if (this.symbolMap[name]) {
+      return this.symbolMap[name];
+    }
+    this.symbolMap[name] = Symbol(name);
+    return this.symbolMap[name];
+  }
+
+  public get(name: string) {
+    return this.symbolMap[name];
+  }
+}
+
+export default new SymbolManager();
diff --git a/packages/vision-preset/src/vision.less b/packages/vision-preset/src/vision.less
index 7c04b0955..d188878a5 100644
--- a/packages/vision-preset/src/vision.less
+++ b/packages/vision-preset/src/vision.less
@@ -101,3 +101,9 @@ html.engine-blur #engine {
 .lc-left-float-pane {
   font-size: 14px;
 }
+
+html.engine-preview-mode  {
+  .lc-left-area, .lc-right-area {
+    display: none !important;
+  }
+}