普通用户账号桌面上的该口令图标，不存在问题。

在 xall 演示机机器，本机，发现如下日志报错：

Apr 14 11:02:30 xall dbus-daemon[2710]: [session uid=0 pid=2710] Failed to activate service 'org.xfce.FileManager': timed out (service_start_timeout=120000ms)

Apr  6 10:49:15 xall Thunar[29273]: Couldn't register with accessibility bus: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.

user.log:Apr 14 10:45:31 atzlinux org.xfce.FileManager[7373]: Failed to register: Unable to acquire bus name 'org.xfce.Thunar'
syslog:Apr 14 10:25:34 atzlinux org.xfce.FileManager[6493]: Failed to register: Unable to acquire bus name 'org.xfce.Thunar'

将 thunar-data 软件包升级到 testing 版，问题解决。

总共升级 4 个测试版的软件包：

下列【新】软件包将被安装：
libxfconf-0-3
下列软件包将被升级：
libxfce4ui-2-0 thunar thunar-data

将以上 4 个软件包添加到铜豌豆软件源。

升级后的版本信息：

ii thunar 1.8.12-1 amd64 File Manager for Xfce
ii thunar-data 1.8.12-1 all Provides thunar documentation, icons and translations
ii libxfconf-0-3 4.14.1-1 amd64 Client library for Xfce4 configure interface
ii libxfce4ui-2-0:amd64 4.14.1-1+b1 amd64 widget library for Xfce - Gtk+3 variant

在 10.3.3 iso 文件和铜豌豆软件源发布新版本解决。