终端报错如下：

hua@ThinkPad-T440:~$ '/home/hua/Downloads/BitComet-2.4.2-x86_64.AppImage'

(BitComet:17814): dbind-WARNING **: 18:32:45.403: Error retrieving accessibility bus address: org.freedesktop.DBus.Error.ServiceUnknown: The name org.a11y.Bus was not provided by any .service files

(BitComet:17814): Gtk-WARNING **: 18:32:46.129: Could not find the icon 'dialog-information'. The 'hicolor' theme
was not found either, perhaps you need to install it.
You can get a copy from:
        http://icon-theme.freedesktop.org/releases

(BitComet:17814): Gtk-WARNING **: 18:32:46.646: Could not load a pixbuf from /org/gtk/libgtk/icons/16x16/status/image-missing.png.
This may indicate that pixbuf loaders or the mime database could not be found.
**
Gtk:ERROR:../../../../gtk/gtkiconhelper.c:494:ensure_surface_for_gicon: assertion failed (error == NULL): Failed to load /org/gtk/libgtk/icons/16x16/status/image-missing.png: Unrecognized image file format (gdk-pixbuf-error-quark, 3)
已放弃

附：下载链接