[Component] [anchor, dialog] Anchor 锚点默认选中第一个锚点未生效，而且继续上拉选中消失

[lihuiq]

Bug Type: Component

Environment

• Vue Version: 3.4.21
• Element Plus Version: 2.7.6
• Browser / OS: 谷歌
• Build Tool: Vite

Reproduction

Related Component

• el-anchor
• el-dialog

Reproduction Link

Element Plus Playground

Steps to reproduce

直接进入页面下拉才会出现

What is Expected?

进入组件默认选中第一项，继续上拉选中不会消失

What is actually happening?

进入组件未默认选中第一项，继续上拉选中消失

Additional comments

(empty)

[github-actions]

This issue has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.

此 issue 已被自动锁定，因为关闭后没有任何近期活动。如果有相关 bug，请重新创建一个新 issue。