事件添加，增加代码后。关闭窗口的图标消失

[sapoiuyt]

GUI Guider Version: 1.5.0 

LVGL Version: 8.3.2

[ZhangJennie]

HI sapoiuyt 

Please let us know the steps with screenshots of how to reproduce the issue.

Please also provide the related chip part number.

We will check it.

Best Regards

Jun Zhang