diff --git a/misc/CMakeLists.txt b/misc/CMakeLists.txt
index 8a7c6e1..a95f909 100644
--- a/misc/CMakeLists.txt
+++ b/misc/CMakeLists.txt
@@ -3,6 +3,12 @@
 # SPDX-License-Identifier: LGPL-3.0-or-later
 include(GNUInstallDirs)
 
+macro(install_symlink filepath wantsdir)
+    file(MAKE_DIRECTORY ${PROJECT_BINARY_DIR}/link/${wantsdir}/)
+    execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink ${CMAKE_INSTALL_PREFIX}/lib/systemd/user/${filepath} ${PROJECT_BINARY_DIR}/link/${wantsdir}/${filepath})
+    install(FILES ${PROJECT_BINARY_DIR}/link/${wantsdir}/${filepath} DESTINATION lib/systemd/user/${wantsdir}/)
+endmacro(install_symlink)
+
 # # systemd service
 configure_file(
     systemd/user/org.desktopspec.ApplicationManager1.service.in
@@ -14,7 +20,12 @@ set(SYSTEMD_USER_FILE
     ${CMAKE_CURRENT_BINARY_DIR}/systemd/user/org.desktopspec.ApplicationManager1.service
 )
 
-install(FILES ${SYSTEMD_USER_FILE} DESTINATION ${CMAKE_INSTALL_PREFIX}/lib/systemd/user/)
+set(SERVICE_DEST_PATH ${CMAKE_INSTALL_PREFIX}/lib/systemd/user/)
+
+install(FILES ${SYSTEMD_USER_FILE} DESTINATION ${SERVICE_DEST_PATH})
+
+# create a symlink to dde-session
+install_symlink(org.desktopspec.ApplicationManager1.service dde-session-initialized.target.wants)
 
 # # dbus activate
 configure_file(
diff --git a/misc/systemd/user/org.desktopspec.ApplicationManager1.service.in b/misc/systemd/user/org.desktopspec.ApplicationManager1.service.in
index f4ae4e6..3b85497 100644
--- a/misc/systemd/user/org.desktopspec.ApplicationManager1.service.in
+++ b/misc/systemd/user/org.desktopspec.ApplicationManager1.service.in
@@ -4,12 +4,22 @@
 
 [Unit]
 Description=Deepin Application Manager
+RefuseManualStart=no
+RefuseManualStop=no
+StartLimitBurst=3
+CollectMode=inactive-or-failed
+
+Requisite=dde-session-initialized.target
+PartOf=dde-session-initialized.target
+Before=dde-session-initialized.target
 
 [Service]
 Type=dbus
 BusName=org.desktopspec.ApplicationManager1
 ExecStart=@CMAKE_INSTALL_FULL_BINDIR@/dde-application-manager-reborn
-Restart=always
 Environment=QT_LOGGING_RULES="*.debug=false"
-PrivateUsers=false
 # turn off PrivateUser to prevent AM can't access some directory. eg. "/persistent/linglong"
+PrivateUsers=false
+Slice=session.slice
+Restart=always
+RestartSec=500ms