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docs/api/motajs-system/index.md

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+# @motajs/system
+
+包含两个模块：
+
+-   [`@motajs/system-action`](../motajs-system-action/index.md)
+-   [`@motajs/system-ui`](../motajs-system-ui/index.md)
+
+## 引入示例
+
+```ts
+import { gameKey, UIController } from '@motajs/system';
+
+gameKey.register(...);
+const myController = new UIController('my-controller');
+```
+
+等效于：
+
+```ts
+import { gameKey } from '@motajs/system-action';
+import { UIController } from '@motajs/system-ui';
+
+gameKey.register(...);
+const myController = new UIController('my-controller');
+```