$ uname -a
Linux localhost 6.12.33-amd64-desktop-rolling #25.01.01.01 SMP PREEMPT_DYNAMIC Thu Jun 12 14:20:38 CST 2025 x86_64 GNU/Linux
$ cat /etc/os-release 
PRETTY_NAME="Deepin 25"
NAME="Deepin"
VERSION_CODENAME=crimson
ID=deepin
HOME_URL="https://www.deepin.org/"
BUG_REPORT_URL="https://bbs.deepin.org"
VERSION_ID="25"
VERSION="25"
$ dpkg -l | grep openssh
ii  openssh-client                                    1:9.9p2-0deepin1                         amd64        secure shell (SSH) client, for secure access to remote machines
ii  openssh-server                                    1:9.9p2-0deepin1                         amd64        secure shell (SSH) server, for secure access from remote machines
ii  openssh-sftp-server                               1:9.9p2-0deepin1                         amd64        secure shell (SSH) sftp server module, for SFTP access from remote machines
$ egrep -v "^\s*#|^\s*$" /etc/ssh/ssh_config
Include /etc/ssh/ssh_config.d/*.conf
Host *
    SendEnv LANG LC_*
    HashKnownHosts yes
    GSSAPIAuthentication yes
    ServerAliveInterval 30
    ServerAliveCountMax 3
$ egrep -v "^\s*#|^\s*$" /etc/ssh/sshd_config
Include /etc/ssh/sshd_config.d/*.conf
KbdInteractiveAuthentication no
UsePAM yes
X11Forwarding yes
PrintMotd no
ChannelTimeout session:shell=900 session:subsystem*=900
AcceptEnv LANG LC_*
Subsystem       sftp    /usr/lib/openssh/sftp-server

登录ssh一段时间后，会自动强制退出，在ssh_config配置了保活配置都不行。

$ ssh 192.168.123.13
Linux localhost 6.12.33-amd64-desktop-rolling #25.01.01.01 SMP PREEMPT_DYNAMIC Thu Jun 12 14:20:38 CST 2025 x86_64
Welcome to deepin 25 GNU/Linux

    * Homepage: https://www.deepin.org/

    * Bugreport: https://bbs.deepin.org/


Last login: Mon Nov 17 00:06:10 2025 from 192.168.123.11
(base) user@localhost:~$ TMOUT=0
(base) user@localhost:~$ Connection to 192.168.123.13 closed.

请问各位大佬，怎么解决？