diff --git a/packages/designer/src/component-meta.ts b/packages/designer/src/component-meta.ts
index fec7eedf6..d552b7777 100644
--- a/packages/designer/src/component-meta.ts
+++ b/packages/designer/src/component-meta.ts
@@ -145,7 +145,6 @@ export class ComponentMeta {
   }
 
   @computed get icon() {
-    // TODO: 标记下。这块需要康师傅加一下API，页面正常渲染。
     // give Slot default icon
     // if _title is TitleConfig  get _title.icon
     return (
diff --git a/packages/designer/src/designer/designer.ts b/packages/designer/src/designer/designer.ts
index 379da3875..022859b0f 100644
--- a/packages/designer/src/designer/designer.ts
+++ b/packages/designer/src/designer/designer.ts
@@ -512,6 +512,10 @@ export class Designer {
     return meta;
   }
 
+  getComponentMetasMap() {
+    return this._componentMetasMap;
+  }
+
   @computed get componentsMap(): { [key: string]: NpmInfo | Component } {
     const maps: any = {};
     const designer = this;
diff --git a/packages/designer/src/document/node/node-children.ts b/packages/designer/src/document/node/node-children.ts
index 4eefd2ff7..404f95dc7 100644
--- a/packages/designer/src/document/node/node-children.ts
+++ b/packages/designer/src/document/node/node-children.ts
@@ -347,6 +347,10 @@ export class NodeChildren {
     return this.children.find(fn);
   }
 
+  reduce(fn: (acc: any, cur: Node) => any, initialValue: any) {
+    return this.children.reduce(fn, initialValue);
+  }
+
   mergeChildren(
     remover: (node: Node, idx: number) => boolean,
     adder: (children: Node[]) => NodeData[] | null,
diff --git a/packages/designer/src/plugin/plugin-context.ts b/packages/designer/src/plugin/plugin-context.ts
index 60b71fee0..1b585d810 100644
--- a/packages/designer/src/plugin/plugin-context.ts
+++ b/packages/designer/src/plugin/plugin-context.ts
@@ -15,11 +15,6 @@ import {
 import { getLogger, Logger } from '@ali/lowcode-utils';
 import { ILowCodePluginContext, PluginContextOptions } from './plugin-types';
 
-/**
- * 一些 API 设计约定：
- * 1. 事件的命名格式为：on[Will|Did]VerbNoun?，参考 https://code.visualstudio.com/api/references/vscode-api#events
- * 2. 基于 Disposable 模式，对于事件的绑定、快捷键的绑定函数，返回值则是解绑函数
- */
 export default class PluginContext implements ILowCodePluginContext {
   private readonly [editorSymbol]: Editor;
   private readonly [designerSymbol]: Designer;
diff --git a/packages/shell/src/component-meta.ts b/packages/shell/src/component-meta.ts
new file mode 100644
index 000000000..0e7cd79e2
--- /dev/null
+++ b/packages/shell/src/component-meta.ts
@@ -0,0 +1,75 @@
+import { Editor } from '@ali/lowcode-editor-core';
+import {
+  DocumentModel as InnerDocumentModel,
+  Node as InnerNode,
+  ParentalNode,
+  IOnChangeOptions as InnerIOnChangeOptions,
+  PropChangeOptions as InnerPropChangeOptions,
+  ComponentMeta as InnerComponentMeta,
+} from '@ali/lowcode-designer';
+import { TransformStage, RootSchema, NodeSchema, NodeData, GlobalEvent } from '@ali/lowcode-types';
+import Node from './node';
+import Selection from './selection';
+import Detecting from './detecting';
+import History from './history';
+import Project from './project';
+import Prop from './prop';
+import { componentMetaSymbol } from './symbols';
+
+
+export default class ComponentMeta {
+  private readonly [componentMetaSymbol]: InnerComponentMeta;
+
+  constructor(componentMeta: InnerComponentMeta) {
+    this[componentMetaSymbol] = componentMeta;
+  }
+
+  static create(componentMeta: InnerComponentMeta | null) {
+    if (!componentMeta) return null;
+    return new ComponentMeta(componentMeta);
+  }
+
+  get componentName(): string {
+    return this[componentMetaSymbol].componentName;
+  }
+
+  get isContainer(): boolean {
+    return this[componentMetaSymbol].isContainer;
+  }
+
+  get isMinimalRenderUnit(): boolean {
+    return this[componentMetaSymbol].isMinimalRenderUnit;
+  }
+
+  get isModal(): boolean {
+    return this[componentMetaSymbol].isModal;
+  }
+
+  get configure() {
+    return this[componentMetaSymbol].configure;
+  }
+
+  get title() {
+    return this[componentMetaSymbol].title;
+  }
+
+  get icon() {
+    return this[componentMetaSymbol].icon;
+  }
+
+  get npm() {
+    return this[componentMetaSymbol].npm;
+  }
+
+  get acceptable(): boolean {
+    return this[componentMetaSymbol].acceptable;
+  }
+
+  setNpm(npm: any) {
+    this[componentMetaSymbol].setNpm(npm);
+  }
+
+  getMetadata() {
+    return this[componentMetaSymbol].getMetadata();
+  }
+}
diff --git a/packages/shell/src/document-model.ts b/packages/shell/src/document-model.ts
index 902296a72..d0bfba04f 100644
--- a/packages/shell/src/document-model.ts
+++ b/packages/shell/src/document-model.ts
@@ -52,7 +52,7 @@ export default class DocumentModel {
    * 获取当前文档所属的 project
    * @returns
    */
-  getProject() {
+  get project() {
     return Project.create(this[documentSymbol].project);
   }
 
@@ -60,7 +60,7 @@ export default class DocumentModel {
    * 获取文档的根节点
    * @returns
    */
-  getRoot() {
+  get root(): Node | null {
     return Node.create(this[documentSymbol].getRoot());
   }
 
@@ -68,7 +68,7 @@ export default class DocumentModel {
    * 获取文档下所有节点
    * @returns
    */
-  getNodesMap() {
+  get nodesMap() {
     const map = new Map<string, Node>();
     for (let id in this[documentSymbol].nodesMap.keys()) {
       map.set(id, this.getNodeById(id)!);
@@ -125,6 +125,15 @@ export default class DocumentModel {
     return Node.create(node);
   }
 
+  /**
+   * 创建一个节点
+   * @param data
+   * @returns
+   */
+  createNode(data: any) {
+    return Node.create(this[documentSymbol].createNode(data));
+  }
+
   /**
    * 移除指定节点/节点id
    * @param idOrNode
diff --git a/packages/shell/src/event.ts b/packages/shell/src/event.ts
index 04de387ff..781f01254 100644
--- a/packages/shell/src/event.ts
+++ b/packages/shell/src/event.ts
@@ -2,7 +2,7 @@ import { Editor as InnerEditor } from '@ali/lowcode-editor-core';
 import { getLogger } from '@ali/lowcode-utils';
 import { editorSymbol } from './symbols';
 
-const logger = getLogger({ level: 'warn', bizName: 'shell:event:' });
+const logger = getLogger({ level: 'warn', bizName: 'shell:event' });
 
 type EventOptions = {
   prefix: string;
diff --git a/packages/shell/src/index.ts b/packages/shell/src/index.ts
index efea86a04..073b62b8c 100644
--- a/packages/shell/src/index.ts
+++ b/packages/shell/src/index.ts
@@ -13,6 +13,12 @@ import Hotkey from './hotkey';
 import Skeleton from './skeleton';
 export * from './symbols';
 
+/**
+ * 所有 shell 层模型的 API 设计约定：
+ *  1. 事件的命名格式为：on[Will|Did]VerbNoun?，参考 https://code.visualstudio.com/api/references/vscode-api#events
+ *  2. 基于 Disposable 模式，对于事件的绑定、快捷键的绑定函数，返回值则是解绑函数
+ *  3. 对于属性的导出，统一用 .xxx 的 getter 模式，不能使用 .getXxx()
+ */
 export {
   DocumentModel,
   Detecting,
diff --git a/packages/shell/src/material.ts b/packages/shell/src/material.ts
index c50c19ecd..639a712eb 100644
--- a/packages/shell/src/material.ts
+++ b/packages/shell/src/material.ts
@@ -11,6 +11,7 @@ import {
 import { AssetsJson } from '@ali/lowcode-utils';
 import { ComponentAction } from '@ali/lowcode-types';
 import { editorSymbol, designerSymbol } from './symbols';
+import ComponentMeta from './component-meta';
 
 export default class Material {
   private readonly [editorSymbol]: Editor;
@@ -21,6 +22,10 @@ export default class Material {
     this[designerSymbol] = editor.get('designer')!;
   }
 
+  get componentsMap() {
+    return this[designerSymbol].componentsMap;
+  }
+
   setAssets(assets: AssetsJson) {
     return this[editorSymbol].setAssets(assets);
   }
@@ -46,11 +51,16 @@ export default class Material {
   }
 
   getComponentMeta(componentName: string) {
-    return this[designerSymbol].getComponentMeta(componentName);
+    return ComponentMeta.create(this[designerSymbol].getComponentMeta(componentName));
   }
 
-  getComponentsMap() {
-    return this[designerSymbol].componentsMap;
+  getComponentMetasMap() {
+    const map = new Map<string, ComponentMeta>();
+    const originalMap = this[designerSymbol].getComponentMetasMap();
+    for (let componentName in originalMap.keys()) {
+      map.set(componentName, this.getComponentMeta(componentName)!);
+    }
+    return map;
   }
 
   addBuiltinComponentAction(action: ComponentAction) {
diff --git a/packages/shell/src/node-children.ts b/packages/shell/src/node-children.ts
index 9c1c8f7d0..03733efdf 100644
--- a/packages/shell/src/node-children.ts
+++ b/packages/shell/src/node-children.ts
@@ -15,7 +15,7 @@ export default class NodeChildren {
     return new NodeChildren(nodeChldren);
   }
 
-  getOwner() {
+  get owner(): Node | null {
     return Node.create(this[nodeChildrenSymbol].owner);
   }
 
@@ -91,6 +91,12 @@ export default class NodeChildren {
     );
   }
 
+  reduce(fn: (acc: any, cur: Node) => any, initialValue: any) {
+    return this[nodeChildrenSymbol].reduce((acc: any, cur: InnerNode) => {
+      return fn(acc, Node.create(cur)!);
+    }, initialValue);
+  }
+
   mergeChildren(
     remover: (node: Node, idx: number) => boolean,
     adder: (children: Node[]) => any,
diff --git a/packages/shell/src/node.ts b/packages/shell/src/node.ts
index b456197a6..3ae3a502e 100644
--- a/packages/shell/src/node.ts
+++ b/packages/shell/src/node.ts
@@ -7,6 +7,7 @@ import { CompositeValue, NodeSchema, TransformStage } from '@ali/lowcode-types';
 import Prop from './prop';
 import DocumentModel from './document-model';
 import NodeChildren from './node-children';
+import ComponentMeta from './component-meta';
 import { documentSymbol, nodeSymbol } from './symbols';
 
 export default class Node {
@@ -30,6 +31,50 @@ export default class Node {
     return this[nodeSymbol].id;
   }
 
+  get title() {
+    return this[nodeSymbol].title;
+  }
+
+  get isContainer() {
+    return this[nodeSymbol].isContainer();
+  }
+
+  get isRoot() {
+    return this[nodeSymbol].isRoot();
+  }
+
+  get isPage() {
+    return this[nodeSymbol].isPage();
+  }
+
+  get isComponent() {
+    return this[nodeSymbol].isComponent();
+  }
+
+  get isSlot() {
+    return this[nodeSymbol].isSlot();
+  }
+
+  get isParental() {
+    return this[nodeSymbol].isParental();
+  }
+
+  get isLeaf() {
+    return this[nodeSymbol].isLeaf();
+  }
+
+  get index() {
+    return this[nodeSymbol].index;
+  }
+
+  get icon() {
+    return this[nodeSymbol].icon;
+  }
+
+  get zLevel() {
+    return this[nodeSymbol].zLevel;
+  }
+
   /**
    * 返回节点 componentName
    */
@@ -37,14 +82,70 @@ export default class Node {
     return this[nodeSymbol].componentName;
   }
 
+  get componentMeta() {
+    return ComponentMeta.create(this[nodeSymbol].componentMeta);
+  }
+
   /**
    * 获取节点所属的文档模型对象
    * @returns
    */
-  getDocumentModel() {
+  get document() {
     return DocumentModel.create(this[documentSymbol]);
   }
 
+  /**
+   * 获取当前节点的前一个兄弟节点
+   * @returns
+   */
+  get prevSibling(): Node | null {
+    return Node.create(this[nodeSymbol].prevSibling);
+  }
+
+  /**
+   * 获取当前节点的后一个兄弟节点
+   * @returns
+   */
+  get nextSibling(): Node | null {
+    return Node.create(this[nodeSymbol].nextSibling);
+  }
+
+  /**
+   * 获取当前节点的父亲节点
+   * @returns
+   */
+  get parent(): Node | null {
+    return Node.create(this[nodeSymbol].parent);
+  }
+
+  /**
+   * 获取当前节点的孩子节点模型
+   * @returns
+   */
+  get children() {
+    return NodeChildren.create(this[nodeSymbol].children);
+  }
+
+  get slots(): Node[] {
+    return this[nodeSymbol].slots.map((node: InnerNode) => Node.create(node)!);
+  }
+
+  get slotFor() {
+    return Prop.create(this[nodeSymbol].slotFor);
+  }
+
+  hasSlots() {
+    return this[nodeSymbol].hasSlots();
+  }
+
+  hasCondition() {
+    return this[nodeSymbol].hasCondition();
+  }
+
+  hasLoop() {
+    return this[nodeSymbol].hasLoop();
+  }
+
   /**
    * 获取指定 path 的属性模型实例
    * @param path 属性路径，支持 a / a.b / a.0 等格式
@@ -103,38 +204,6 @@ export default class Node {
     return this.getExtraProp(path)?.setValue(value);
   }
 
-  /**
-   * 获取当前节点的前一个兄弟节点
-   * @returns
-   */
-  getPrevSibling() {
-    return Node.create(this[nodeSymbol].prevSibling);
-  }
-
-  /**
-   * 获取当前节点的后一个兄弟节点
-   * @returns
-   */
-  getNextSibling() {
-    return Node.create(this[nodeSymbol].nextSibling);
-  }
-
-  /**
-   * 获取当前节点的父亲节点
-   * @returns
-   */
-  getParent() {
-    return Node.create(this[nodeSymbol].parent);
-  }
-
-  /**
-   * 获取当前节点的孩子节点模型
-   * @returns
-   */
-  getChildren() {
-    return NodeChildren.create(this[nodeSymbol].children);
-  }
-
   /**
    * 导入节点数据
    * @param data
diff --git a/packages/shell/src/project.ts b/packages/shell/src/project.ts
index 5f338b7b6..faa83c336 100644
--- a/packages/shell/src/project.ts
+++ b/packages/shell/src/project.ts
@@ -22,6 +22,14 @@ export default class Project {
     return new Project(project);
   }
 
+  /**
+   * 获取当前 project 下所有 documents
+   * @returns
+   */
+  get documents(): DocumentModel[] {
+    return this[projectSymbol].documents.map((doc) => DocumentModel.create(doc)!);
+  }
+
   /**
    * 打开一个 document
    * @param doc
@@ -61,14 +69,6 @@ export default class Project {
     return DocumentModel.create(this[projectSymbol].getDocument(id));
   }
 
-  /**
-   * 获取当前 project 下所有 documents
-   * @returns
-   */
-  getDocuments(): DocumentModel[] {
-    return this[projectSymbol].documents.map((doc) => DocumentModel.create(doc)!);
-  }
-
   /**
    * 导出 project
    * @returns
diff --git a/packages/shell/src/prop.ts b/packages/shell/src/prop.ts
index d339f9993..d929fc953 100644
--- a/packages/shell/src/prop.ts
+++ b/packages/shell/src/prop.ts
@@ -15,15 +15,15 @@ export default class Prop {
     return new Prop(prop);
   }
 
-  getId() {
+  get id() {
     return this[propSymbol].id;
   }
 
-  getKey() {
+  get key() {
     return this[propSymbol].key;
   }
 
-  getNode() {
+  get node(): Node | null {
     return Node.create(this[propSymbol].getNode());
   }
 
diff --git a/packages/shell/src/selection.ts b/packages/shell/src/selection.ts
index 0ce6b0a60..a9fa8c767 100644
--- a/packages/shell/src/selection.ts
+++ b/packages/shell/src/selection.ts
@@ -15,6 +15,10 @@ export default class Selection {
     this[selectionSymbol] = document.selection;
   }
 
+  get selected() {
+    return this[selectionSymbol].selected;
+  }
+
   select(id: string) {
     this[selectionSymbol].select(id);
   }
@@ -23,10 +27,6 @@ export default class Selection {
     this[selectionSymbol].selectAll(ids);
   }
 
-  getSelected() {
-    return this[selectionSymbol].selected;
-  }
-
   remove(id: string) {
     this[selectionSymbol].remove(id);
   }
diff --git a/packages/shell/src/symbols.ts b/packages/shell/src/symbols.ts
index cb8ddc6a3..a7724e994 100644
--- a/packages/shell/src/symbols.ts
+++ b/packages/shell/src/symbols.ts
@@ -13,5 +13,6 @@ export const propSymbol = Symbol('prop');
 export const detectingSymbol = Symbol('detecting');
 export const selectionSymbol = Symbol('selection');
 export const historySymbol = Symbol('history');
+export const componentMetaSymbol = Symbol('componentMeta');
 export const simulatorHostSymbol = Symbol('simulatorHost');
 export const simulatorRendererSymbol = Symbol('simulatorRenderer');
\ No newline at end of file