diff --git a/packages/designer/src/builtin-simulator/host.ts b/packages/designer/src/builtin-simulator/host.ts
index 0486b5743..077d5a895 100644
--- a/packages/designer/src/builtin-simulator/host.ts
+++ b/packages/designer/src/builtin-simulator/host.ts
@@ -255,6 +255,25 @@ export class BuiltinSimulatorHost implements ISimulatorHost<BuiltinSimulatorProp
 
   private _iframe?: HTMLIFrameElement;
 
+
+  buildLibrary(library) {
+    library = library || this.get('library') as LibraryItem[];
+    const libraryAsset: AssetList = [];
+    if (library) {
+      library.forEach((item) => {
+        if (item.async) {
+          this.asyncLibraryMap[item.package] = item;
+        }
+        if (item.urls) {
+
+          libraryAsset.push(item.urls);
+        }
+      });
+    }
+
+    return libraryAsset;
+  }
+
   async mountContentFrame(iframe: HTMLIFrameElement | null) {
     if (!iframe || this._iframe === iframe) {
       return;
@@ -264,18 +283,7 @@ export class BuiltinSimulatorHost implements ISimulatorHost<BuiltinSimulatorProp
     this._contentWindow = iframe.contentWindow!;
 
     const library = this.get('library') as LibraryItem[];
-    const libraryAsset: AssetList = [];
-    if (library) {
-      library.forEach((item) => {
-        this.libraryMap[item.package] = item.library;
-        if (item.async) {
-          this.asyncLibraryMap[item.package] = item;
-        }
-        if (item.urls) {
-          libraryAsset.push(item.urls);
-        }
-      });
-    }
+    const libraryAsset: AssetList = this.buildLibrary();
 
     const vendors = [
       // required & use once
@@ -332,6 +340,11 @@ export class BuiltinSimulatorHost implements ISimulatorHost<BuiltinSimulatorProp
     // TODO: dispose the bindings
   }
 
+  async setupComponents(library) {
+    const libraryAsset: AssetList = this.buildLibrary(library);
+    await this.renderer.setupComponents(libraryAsset);
+  }
+
   setupEvents() {
     // TODO: Thinkof move events control to simulator renderer
     //       just listen special callback
@@ -1029,7 +1042,7 @@ export class BuiltinSimulatorHost implements ISimulatorHost<BuiltinSimulatorProp
     const locationData = {
       target: container as ParentalNode,
       detail,
-      source: `simulator${ document.id}`,
+      source: `simulator${document.id}`,
       event: e,
     };
 
@@ -1042,7 +1055,7 @@ export class BuiltinSimulatorHost implements ISimulatorHost<BuiltinSimulatorProp
       return this.designer.createLocation({
         target: document.rootNode,
         detail,
-        source: `simulator${ document.id}`,
+        source: `simulator${document.id}`,
         event: e,
       });
     }
diff --git a/packages/designer/src/designer/designer.ts b/packages/designer/src/designer/designer.ts
index 3f3560219..beeffb465 100644
--- a/packages/designer/src/designer/designer.ts
+++ b/packages/designer/src/designer/designer.ts
@@ -11,6 +11,7 @@ import {
   isNodeSchema,
   NodeSchema,
 } from '@ali/lowcode-types';
+import { megreAssets, AssetsJson } from '@ali/lowcode-utils';
 import { Project } from '../project';
 import { Node, DocumentModel, insertChildren, isRootNode, ParentalNode, TransformStage } from '../document';
 import { ComponentMeta } from '../component-meta';
@@ -373,6 +374,25 @@ export class Designer {
     this.props = props;
   }
 
+  async loadIncrementalAssets(incrementalAssets: AssetsJson): void {
+    const { components, packages } = incrementalAssets;
+    components && this.buildComponentMetasMap(components);
+    // 部分异步组件会在外层加载components，这里需要进行强制刷新
+    this.forceUpdateComponentsMap();
+    await this.project.simulator.setupComponents(packages);
+
+    if (components) {
+      // 合并assets
+      let assets = this.editor.get('assets');
+      let newAssets = megreAssets(assets, incrementalAssets);
+      this.editor.set('assets', newAssets);
+    }
+    // 完成加载增量资源后发送事件，方便插件监听并处理相关逻辑
+    this.editor.emit('designer.incrementalAssetsReady');
+
+  }
+
+
   get(key: string): any {
     return this.props ? this.props[key] : null;
   }
@@ -483,6 +503,13 @@ export class Designer {
     return maps;
   }
 
+  /**
+   * 强制刷新 componentsMap，使画布能拿到最新的组件
+   */
+  private forceUpdateComponentsMap() {
+    this._componentMetasMap = new Map(this._componentMetasMap);
+  }
+
   private propsReducers = new Map<TransformStage, PropsReducer[]>();
 
   transformProps(props: CompositeObject | PropsList, node: Node, stage: TransformStage) {
diff --git a/packages/react-simulator-renderer/src/renderer.ts b/packages/react-simulator-renderer/src/renderer.ts
index b031b6f02..37ff9ed38 100644
--- a/packages/react-simulator-renderer/src/renderer.ts
+++ b/packages/react-simulator-renderer/src/renderer.ts
@@ -14,7 +14,10 @@ import {
   getSubComponent,
   compatibleLegaoSchema,
   isPlainObject,
+  AssetLoader,
+
 } from '@ali/lowcode-utils';
+
 import { RootSchema, ComponentSchema, TransformStage, NodeSchema } from '@ali/lowcode-types';
 // import { isESModule, isElement, acceptsRef, wrapReactClass, cursor, setNativeSelection } from '@ali/lowcode-utils';
 // import { RootSchema, NpmInfo, ComponentSchema, TransformStage, NodeSchema } from '@ali/lowcode-types';
@@ -25,7 +28,7 @@ import { createMemoryHistory, MemoryHistory } from 'history';
 import Slot from './builtin-components/slot';
 import Leaf from './builtin-components/leaf';
 import { withQueryParams, parseQuery } from './utils/url';
-
+const loader = new AssetLoader();
 export class DocumentInstance {
   private instancesMap = new Map<string, ReactInstance[]>();
 
@@ -98,7 +101,7 @@ export class DocumentInstance {
   }
 
   get path(): string {
-    return `/${ this.document.fileName}`;
+    return `/${this.document.fileName}`;
   }
 
   get id() {
@@ -349,6 +352,16 @@ export class SimulatorRendererContainer implements BuiltinSimulatorRenderer {
   //   return loader.load(asset);
   // }
 
+  async loadAsyncLibrary(asyncLibraryMap) {
+    await loader.loadAsyncLibrary(asyncLibraryMap);
+    this.buildComponents();
+  }
+
+  async setupComponents(asset: Asset) {
+    await loader.load(asset);
+    this.buildComponents();
+  }
+
   getComponent(componentName: string) {
     const paths = componentName.split('.');
     const subs: string[] = [];
diff --git a/packages/utils/src/asset.ts b/packages/utils/src/asset.ts
index 85328952b..39c4ee7a9 100644
--- a/packages/utils/src/asset.ts
+++ b/packages/utils/src/asset.ts
@@ -54,6 +54,13 @@ export type Asset = AssetList | AssetBundle | AssetItem | URL;
 
 export type AssetList = Array<Asset | undefined | null>;
 
+export interface AssetsJson {
+  packages: Array;
+  components: Array;
+  componentList?: Array;
+  bizComponentList?: Array
+}
+
 export function isAssetItem(obj: any): obj is AssetItem {
   return obj && obj.type;
 }
@@ -93,6 +100,46 @@ export function assetItem(type: AssetType, content?: string | null, level?: Asse
   };
 }
 
+export function megreAssets(assets: AssetsJson, increaseAssets: AssetsJson): AssetsJson {
+  if (!increaseAssets.packages) {
+    console.error('assets must have packages');
+  }
+
+  if (!increaseAssets.components) {
+    console.error('assets must have components');
+  }
+
+  assets.packages = [...assets.packages, ...increaseAssets.packages];
+  assets.components = [...assets.components, ...increaseAssets.components];
+
+  megreAssetsComponentList(assets, increaseAssets, 'componentList');
+  megreAssetsComponentList(assets, increaseAssets, 'bizComponentList');
+
+  return assets;
+}
+
+function megreAssetsComponentList(assets: AssetsJson, increaseAssets: AssetsJson, listName: String): void {
+  if (increaseAssets[listName]) {
+    if (assets[listName]) {
+      // 根据title进行合并
+      increaseAssets[listName].map((item) => {
+        let matchFlag = false;
+        assets[listName].map((assetItem) => {
+          if (assetItem.title === item.title) {
+            assetItem.children = assetItem.children.concat(item.children);
+            matchFlag = true;
+          }
+
+          return assetItem;
+        });
+
+        !matchFlag && assets[listName].push(item);
+        return item;
+      });
+    }
+  }
+}
+
 export class StylePoint {
   private lastContent: string | undefined;