我有一个 Microsoft Wedge Touch 鼠标，可以连接到 Ubuntu 14.04 和 Ubuntu 18.04 系统。当 14.04 系统重置、唤醒或开机时，鼠标将自动重新连接。
18.04 系统则不然。每次 18.04 系统重置、唤醒或开机时，我都必须将鼠标置于配对模式，才能使其重新连接到 18.08 系统。
Ubuntu 14.04 安装了以下内容
bluez/trusty-updates,trusty-security,now 4.101-0ubuntu13.3 amd64 [installed,automatic]
bluez-alsa/trusty-updates,trusty-security,now 4.101-0ubuntu13.3 amd64 [installed]
bluez-cups/trusty-updates,trusty-security,now 4.101-0ubuntu13.3 amd64 [installed]
gir1.2-gnomebluetooth-1.0/trusty-updates,now 3.8.2.1-0ubuntu4.2 amd64 [installed,automatic]
gnome-bluetooth/trusty-updates,now 3.8.2.1-0ubuntu4.2 amd64 [installed,automatic]
indicator-bluetooth/trusty,now 0.0.6+14.04.20140207-0ubuntu2 amd64 [installed,automatic]
libbluetooth3/trusty-updates,trusty-security,now 4.101-0ubuntu13.3 amd64 [installed,automatic]
libgnome-bluetooth11/trusty-updates,now 3.8.2.1-0ubuntu4.2 amd64 [installed,automatic]
pulseaudio-module-bluetooth/trusty-updates,now 1:4.0-0ubuntu11.1 amd64 [installed]
18.04系统安装了以下内容：
bluez/bionic,now 5.50-0ubuntu0ppa1 amd64 [installed]
bluez-cups/bionic,now 5.50-0ubuntu0ppa1 amd64 [installed]
bluez-obexd/bionic,now 5.50-0ubuntu0ppa1 amd64 [installed]
gir1.2-gnomebluetooth-1.0/bionic,now 3.28.0-2 amd64 [installed]
gnome-bluetooth/bionic,now 3.28.0-2 amd64 [installed]
libbluetooth3/bionic,now 5.50-0ubuntu0ppa1 amd64 [installed]
libgnome-bluetooth13/bionic,now 3.28.0-2 amd64 [installed]
pulseaudio-module-bluetooth/bionic-updates,now 1:11.1-1ubuntu7.1 amd64 [installed]
这是某种回归错误吗？
谢谢！
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