diff --git a/lightdm.spec b/lightdm.spec
index 186feed..879d9dd 100644
--- a/lightdm.spec
+++ b/lightdm.spec
@@ -7,7 +7,7 @@
 Name:		lightdm
 Summary:	A cross-desktop Display Manager
 Version:	1.30.0
-Release:	12
+Release:	13
 
 # library/bindings are LGPLv2 or LGPLv3, the rest GPLv3+
 License:	(LGPLv2 or LGPLv3) and GPLv3+
@@ -70,10 +70,10 @@ BuildRequires:	vala
 Requires:	%{name}-gobject%{?_isa} = %{version}-%{release}
 Requires:	accountsservice
 Requires:	dbus-x11
-%if 0%{?openEuler} 
+%if 0%{?openEuler}
 Requires:	polkit-js-engine
 %endif
-Requires:	systemd
+Requires:	systemd systemd-pam
 Requires:	xorg-x11-xinit
 
 #Requires:   (lightdm-greeter = 1.2 if xorg-x11-server-Xorg)
@@ -314,6 +314,9 @@ fi
 
 
 %changelog
+* Thu Feb 24 2022 Wenlong.Ding <wenlong.ding@turbolinux.com.cn> - 1.30.0-13
+- Fixed the problem that lightdm.service start with not found systemd-pam.so error.
+
 * Tue Jan 25 2022 liuxinhao <liuxinhao@kylinos.com.cn> - 1.30.0-12
 - Fixed the problem that the PAM message returned by lightdm was not translated