diff --git a/.changeset/empty-flies-teach.md b/.changeset/empty-flies-teach.md
new file mode 100644
index 0000000..5b51efa
--- /dev/null
+++ b/.changeset/empty-flies-teach.md
@@ -0,0 +1,17 @@
+---
+'@difizen/babel-preset-mana': patch
+'@difizen/mana-observable': patch
+'@difizen/umi-plugin-mana': patch
+'@difizen/mana-syringe': patch
+'@difizen/mana-common': patch
+'@difizen/mana-react': patch
+'@difizen/mana-react-example': patch
+'@difizen/mana-core': patch
+'@difizen/mana-l10n': patch
+'@difizen/mana-app': patch
+'@difizen/mana-umi-example': patch
+'@difizen/mana-ui': patch
+'@difizen/mana-docs': patch
+---
+
+You can now define metadata for views through view decorators, and view components can be React Lazy components, so dynamic components are also supported.
diff --git a/packages/mana-core/src/view/decorator.spec.tsx b/packages/mana-core/src/view/decorator.spec.tsx
new file mode 100644
index 0000000..3d338d4
--- /dev/null
+++ b/packages/mana-core/src/view/decorator.spec.tsx
@@ -0,0 +1,22 @@
+import 'react';
+import assert from 'assert';
+import 'reflect-metadata';
+
+import { view } from './decorator';
+import { BaseView } from './default-view';
+import { ViewComponentToken, ViewDefineToken } from './view-protocol';
+
+describe('app', () => {
+  it('#view factory', () => {
+    @view('foo')
+    class Foo extends BaseView {}
+    assert(Reflect.getMetadata(ViewDefineToken, Foo) === 'foo');
+  });
+  it('#view meta', () => {
+    const FooRender = () => <></>;
+    @view({ id: 'foo', component: FooRender })
+    class Foo extends BaseView {}
+    assert(Reflect.getMetadata(ViewDefineToken, Foo) === 'foo');
+    assert(Reflect.getMetadata(ViewComponentToken, Foo) === FooRender);
+  });
+});
diff --git a/packages/mana-core/src/view/decorator.ts b/packages/mana-core/src/view/decorator.ts
index 9685a34..2c87b93 100644
--- a/packages/mana-core/src/view/decorator.ts
+++ b/packages/mana-core/src/view/decorator.ts
@@ -1,5 +1,3 @@
-import { isPromise } from 'util/types';
-
 import type { Newable } from '@difizen/mana-common';
 import type { Syringe } from '@difizen/mana-syringe';
 import { registerSideOption } from '@difizen/mana-syringe';