Bug title popup

[fhaibing]

Describe the bug

直接运行长时间不操作后，pop窗口无法弹出，menu的popup以及combo的popup都存在这个问题

Steps to reproduce the bug

1. 进行运行状态后，一直后台跑数据，界面刷新
2. 放置几个小时候，有很大概率popup就无法打开了

Expected behavior

No response

Screenshots

No response

NuGet package version

None

IDE

No response

Framework type

No response

Windows version

No response

Additional context

No response