diff --git a/packages/abc/sidebar-nav/index.md b/packages/abc/sidebar-nav/index.md
index 76601c4e91..5e479b8d59 100644
--- a/packages/abc/sidebar-nav/index.md
+++ b/packages/abc/sidebar-nav/index.md
@@ -21,3 +21,4 @@ ng-alain 左边主菜单,依赖于 `@delon/theme`。
参数 | 说明 | 类型 | 默认值
----|------|-----|------
autoCloseUnderPad | 小于Pad宽度时路由切换后自动关闭侧边栏 | `boolean` | `true`
+select | 切换时回调 | `EventEmitter