需求：Sider折叠状态下，当Menu列表中的选项过多超出屏幕视口高度时，提供滚动条

[alaywn]

Clear and concise description of the problem

目前Sider折叠状态下，Menu的选项过多时，弹出的menu列表会显示不全

Suggested solution

建议：Sider折叠状态下，当Menu列表中的选项过多超出屏幕视口高度时，提供滚动条

Alternative

No response

Additional context

No response

Validations

• Read the Contributing Guidelines.
• Read the docs.
• Check that there isn't already an issue that request the same feature to avoid creating a duplicate.

[jahnli]

提供的复现 最小可复现的示例

[alaywn]

提供的复现 最小可复现的示例

sider中放个menu，然后给100个菜单项，就知道怎么回事了

[jahnli]

提示在线复现链接

[jahnli]

This issue does not have any recent activity. If you are still experiencing similar problems, open a new error, including a minimal copy of the problem

[Wlisfes]

菜单比较多的时候右侧无法滚动

[alaywn]

菜单比较多的时候右侧无法滚动

就是这个问题