Run it with the undocumented switch -minimizetotray and the option is available in the options menu.
I don't know how to fix it. It's something wrong deep inside wxWidgets or GTK or Gnome.
SN-1250 已核对来源，附原文与上下文。
用未写进文档的开关 -minimizetotray 运行，该选项就会出现在选项菜单里。
我不知道怎么修。问题出在 wxWidgets 或 GTK 或 Gnome 的深处。