diff --git a/debian/changelog b/debian/changelog
index 578eb9b..2b6f417 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+openssh (1:9.7p1-4deepin3) unstable; urgency=medium
+
+  * ssh.service is disabled by default.
+  * update ChannelTimeout config to implement auto close inactive connections.
+
+ -- liujianqiang <liujianqiang@uniontech.com>  Fri, 08 Nov 2024 09:19:57 +0800
+
 openssh (1:9.7p1-4deepin2) unstable; urgency=high
 
   * Disable logging in sshsigdie.
diff --git a/debian/control b/debian/control
index 4f8e0b9..264cd15 100644
--- a/debian/control
+++ b/debian/control
@@ -18,6 +18,7 @@ Build-Depends: debhelper (>= 13.1~),
                libwrap0-dev | libwrap-dev,
                pkgconf,
                zlib1g-dev,
+               lsb-release,
 Standards-Version: 4.6.2
 Uploaders: Colin Watson <cjwatson@debian.org>,
            Matthew Vernon <matthew@debian.org>,
diff --git a/debian/patches/deepin-ssh-connect-idle-timeout.patch b/debian/patches/deepin-ssh-connect-idle-timeout.patch
index a7f889a..08ea714 100644
--- a/debian/patches/deepin-ssh-connect-idle-timeout.patch
+++ b/debian/patches/deepin-ssh-connect-idle-timeout.patch
@@ -13,8 +13,8 @@ Last-Update: 2022-05-19
  #Compression delayed
 -#ClientAliveInterval 0
 -#ClientAliveCountMax 3
-+ClientAliveInterval 900
-+ClientAliveCountMax 1
++# set inactive timeout for shell & subsystem connections
++ChannelTimeout session:shell=900 session:subsystem*=900
  #UseDNS no
  #PidFile /var/run/sshd.pid
  #MaxStartups 10:30:100
diff --git a/debian/rules b/debian/rules
index ad0b683..285dd31 100755
--- a/debian/rules
+++ b/debian/rules
@@ -195,7 +195,11 @@ override_dh_installinit:
 	dh_installinit -R --name ssh
 
 override_dh_installsystemd:
+ifeq ($(shell lsb_release  -i -s),uos)
+	dh_installsystemd -popenssh-server --no-enable ssh.service
+else
 	dh_installsystemd -popenssh-server ssh.service
+endif
 	dh_installsystemd -popenssh-server --no-enable ssh.socket
 	dh_installsystemd -popenssh-server --no-start rescue-ssh.target