diff --git a/packages/designer/src/builtin-simulator/host.ts b/packages/designer/src/builtin-simulator/host.ts
index fff3413fa..82b6c86e9 100644
--- a/packages/designer/src/builtin-simulator/host.ts
+++ b/packages/designer/src/builtin-simulator/host.ts
@@ -353,7 +353,6 @@ export class BuiltinSimulatorHost implements ISimulatorHost<BuiltinSimulatorProp
   async setupComponents(library) {
     const libraryAsset: AssetList = this.buildLibrary(library);
     await this.renderer.load(libraryAsset);
-    await this.renderer.buildComponents();
   }
 
   setupEvents() {
diff --git a/packages/designer/src/designer/designer.ts b/packages/designer/src/designer/designer.ts
index 76479d455..e61a35ab5 100644
--- a/packages/designer/src/designer/designer.ts
+++ b/packages/designer/src/designer/designer.ts
@@ -388,7 +388,7 @@ export class Designer {
       this.editor.set('assets', newAssets);
     }
     // TODO: 因为涉及修改 prototype.view，之后在 renderer 里修改了 vc 的 view 获取逻辑后，可删除
-    this._componentMetasMap = new Map(this._componentMetasMap);
+    // this._componentMetasMap = new Map(this._componentMetasMap);
     // 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');
 
@@ -433,7 +433,7 @@ export class Designer {
     this.project.load(schema);
   }
 
-  @obx.val private _componentMetasMap = new Map<string, ComponentMeta>();
+  @obx.ref private _componentMetasMap = new Map<string, ComponentMeta>();
 
   private _lostComponentMetasMap = new Map<string, ComponentMeta>();
 
diff --git a/packages/react-simulator-renderer/src/renderer.ts b/packages/react-simulator-renderer/src/renderer.ts
index f18807148..7fc7586b0 100644
--- a/packages/react-simulator-renderer/src/renderer.ts
+++ b/packages/react-simulator-renderer/src/renderer.ts
@@ -309,9 +309,9 @@ export class SimulatorRendererContainer implements BuiltinSimulatorRenderer {
       ...this._components,
     };
   }
-  private _components: any = {};
+  @obx.ref private _components: any = {};
 
-  get components(): object {
+  @computed get components(): object {
     // 根据 device 选择不同组件，进行响应式
     // 更好的做法是，根据 device 选择加载不同的组件资源，甚至是 simulatorUrl
     return this._components;