---
order: 1
title: 常见问题
type: Other
---

### 如何监听当前权限数据变更

```typescript
import { BixiACService } from '@bixi/ac';

// 监听权限点
BixiACService.permissions$.subscribe(data => {
  // do something
})
// 监听角色
BixiACService.roles$.subscribe(data => {
  // do something
})
```