删除这三个文件即可解决。

~/.config/deepin/dde-launcher-app-category-used-sorted-list.conf

~/.config/deepin/dde-launcher-app-sorted-list.conf

~/.config/deepin/dde-launcher-app-used-sorted-list.conf

Ctrl + Alt + T 调出终端，执行

rm ~/.config/deepin/dde-launcher-app-category-used-sorted-list.conf ~/.config/deepin/dde-launcher-app-sorted-list.conf ~/.config/deepin/dde-launcher-app-used-sorted-list.conf

重启。