wps linux Warning: 'application/powerpoint' had no

正在选中未选择的软件包 wps-office。

(正在读取数据库 ... 系统当前共安装有 254948 个文件和目录。)

准备解压 wps-office_12.1.2.28080.AK.preread.sw.Personal_765474_amd64.deb ...

正在解压 wps-office (12.1.2.28080.AK.preread.sw) ...

正在设置 wps-office (12.1.2.28080.AK.preread.sw) ...

正在处理用于 mailcap (3.77) 的触发器 ...

Warning: 'text/csv' had non-desktop association 'application/xls'

Warning: 'application/wps-office.xls' had non-desktop association 'application/wps-office.xlt'

Warning: 'application/powerpoint' had non-desktop association 'application/mspowerpoint'

Warning: 'application/wps-office.ppt' had non-desktop association 'application/wps-office.pptx'

Warning: 'text/rtf' had non-desktop association 'application/rtf'

Warning: 'application/wps-office.doc' had non-desktop association 'application/wps-office.dot'

Warning: 'text/csv' had non-desktop association 'application/xls'

Warning: 'application/wps-office.xls' had non-desktop association 'application/wps-office.xlt'

Warning: 'application/powerpoint' had non-desktop association 'application/mspowerpoint'

Warning: 'application/wps-office.ppt' had non-desktop association 'application/wps-office.pptx'

Warning: 'text/rtf' had non-desktop association 'application/rtf'

Warning: 'application/wps-office.doc' had non-desktop association 'application/wps-office.dot'

正在处理用于 desktop-file-utils (0.28-1) 的触发器 ...

正在处理用于 fontconfig (2.17.1-5) 的触发器 ...

正在处理用于 hicolor-icon-theme (0.18-2) 的触发器 ...

正在处理用于 shared-mime-info (2.4-5+b3) 的触发器 ...

怎样清除。。。