Gtk-Message: (for origin information, set GTK_DEBUG): failed to retrieve property `GtkRange::activate-slider' of type `gboolean' from rc file value "((GString*) 0x950d920)" of type `GString'

到底什么意思，还有是不是每次运行都要输入python litebook.py，怎样在桌面生成一个图标省事