diff --git a/backend/SystemUpdater/Core/utils.py b/backend/SystemUpdater/Core/utils.py
index a44724f..2455833 100644
--- a/backend/SystemUpdater/Core/utils.py
+++ b/backend/SystemUpdater/Core/utils.py
@@ -822,13 +822,13 @@ def inhibit_sleep():
         from gi.repository import Gio, GLib
         connection = Gio.bus_get_sync(Gio.BusType.SYSTEM)
 
-        # #首先设置systemd默认延长时间为1800
-        # bus = dbus.SystemBus()
-        # logind_proxy = bus.get_object('org.freedesktop.login1', '/org/freedesktop/login1')
-        # getter_interface = dbus.Interface(
-        #             logind_proxy,
-        #             dbus_interface='org.freedesktop.login1.Manager')
-        # ret = getter_interface.SetInhibitDelayMaxSec(1800)
+        #首先设置systemd默认延长时间为1800
+        bus = dbus.SystemBus()
+        logind_proxy = bus.get_object('org.freedesktop.login1', '/org/freedesktop/login1')
+        getter_interface = dbus.Interface(
+                    logind_proxy,
+                    dbus_interface='org.freedesktop.login1.Manager')
+        ret = getter_interface.SetInhibitDelayMaxSec(1800)
 
         var, fdlist = connection.call_with_unix_fd_list_sync(
             'org.freedesktop.login1', '/org/freedesktop/login1',
diff --git a/backend/SystemUpdater/UpdateManager.py b/backend/SystemUpdater/UpdateManager.py
index 39aa768..1281667 100644
--- a/backend/SystemUpdater/UpdateManager.py
+++ b/backend/SystemUpdater/UpdateManager.py
@@ -75,10 +75,10 @@ class UpdateManager():
 
         self.update_essential_pkgs()
 
-        #是否开启关机后安装或者重启安装模式 
-        if self.is_shutdown_model() == True:
-            logging.info("Initialize Shutdown Install Model...")
-            self._prepare_shutdown_model()
+        # #是否开启关机后安装或者重启安装模式 
+        # if self.is_shutdown_model() == True:
+        #     logging.info("Initialize Shutdown Install Model...")
+        #     self._prepare_shutdown_model()
 
         self.only_update_cache()
 
@@ -213,6 +213,8 @@ class UpdateManager():
                     install_backend = get_backend(self, InstallBackend.ACTION_DOWNLOADONLY,upgrade_mode)
                     install_backend.start(partial_upgrade_list)
                 else:
+                    logging.info("Initialize Shutdown Install Model...")
+                    self._prepare_shutdown_model()
                     resolver_backend = get_backend(self, InstallBackend.ACTION_CHECK_RESOLVER,upgrade_mode)
                     resolver_backend.start(partial_upgrade_list)
             else:
diff --git a/backend/data/kylin-system-updater.service b/backend/data/kylin-system-updater.service
index df4c1f2..b1ac217 100644
--- a/backend/data/kylin-system-updater.service
+++ b/backend/data/kylin-system-updater.service
@@ -7,7 +7,7 @@ Type=dbus
 Restart=always
 RestartSec=3
 BusName=com.kylin.systemupgrade
-ExecStart=/usr/share/kylin-system-updater/kylin-system-updater
+ExecStart=/usr/share/kylin-system-updater/kylin-system-updater -n
 
 [Install]
 WantedBy=multi-user.target
\ No newline at end of file
diff --git a/debian/kylin-system-updater.install b/debian/kylin-system-updater.install
index a2d59b2..961e3da 100644
--- a/debian/kylin-system-updater.install
+++ b/debian/kylin-system-updater.install
@@ -25,4 +25,3 @@ unattended-upgrades/kylin-unattended-upgrade /usr/bin
 unattended-upgrades/kylin-unattended-upgrade-shutdown /usr/bin
 unattended-upgrades/kylin-unattended-upgrades /etc/apt/apt.conf.d/
 unattended-upgrades/logrotate.d/* /etc/logrotate.d/
-unattended-upgrades/kylin-unattended-upgrades-logind-maxdelay.conf /usr/lib/systemd/logind.conf.d/
diff --git a/unattended-upgrades/kylin-unattended-upgrades-logind-maxdelay.conf b/unattended-upgrades/kylin-unattended-upgrades-logind-maxdelay.conf
deleted file mode 100644
index 5b38b23..0000000
--- a/unattended-upgrades/kylin-unattended-upgrades-logind-maxdelay.conf
+++ /dev/null
@@ -1,3 +0,0 @@
-[Login]
-# delay
-InhibitDelayMaxSec=1800