diff --git a/extend_timeout_for_riscv.patch b/extend_timeout_for_riscv.patch
new file mode 100644
index 0000000000000000000000000000000000000000..a57ce9ae9947b98fda41fb41dc9f1fdd0bd4db8b
--- /dev/null
+++ b/extend_timeout_for_riscv.patch
@@ -0,0 +1,28 @@
+diff -up a/meson.build b/meson.build
+--- a/meson.build	2021-03-31 04:59:02.000000000 +0800
++++ b/meson.build	2021-12-10 10:59:07.586868800 +0800
+@@ -3076,6 +3076,7 @@
+         if want_tests != 'false'
+                 test('test-sysusers',
+                      test_sysusers_sh,
++                     timeout : 180,
+                      # https://github.com/mesonbuild/meson/issues/2681
+                      args : exe.full_path())
+         endif
+@@ -3118,6 +3118,7 @@
+         if want_tests != 'false'
+                 test('test-systemd-tmpfiles',
+                      test_systemd_tmpfiles_py,
++                     timeout : 60,
+                      # https://github.com/mesonbuild/meson/issues/2681
+                      args : exe.full_path())
+         endif
+@@ -3322,7 +3323,7 @@
+         type = tuple.length() > 5 ? tuple[5] : ''
+         defs = tuple.length() > 6 ? tuple[6] : []
+         parallel = tuple.length() > 7 ? tuple[7] : true
+-        timeout = 30
++        timeout = 180
+ 
+         name = sources[0].split('/')[-1].split('.')[0]
+         if type.startswith('timeout=')
diff --git a/systemd.spec b/systemd.spec
index d2975f463ad9a7c1c2ba6ebfcc46310c730b228c..57f0aaed666258319b2a06068472ef76a7fb9217 100644
--- a/systemd.spec
+++ b/systemd.spec
@@ -20,7 +20,7 @@
 Name:           systemd
 Url:            https://www.freedesktop.org/wiki/Software/systemd
 Version:        248
-Release:        15
+Release:        16
 License:        MIT and LGPLv2+ and GPLv2+
 Summary:        System and Service Manager
 
@@ -71,6 +71,10 @@ Patch0021:      backport-core-fix-free-undefined-pointer-when-strdup-failed-i.pa
 #openEuler
 Patch9000:      disable-systemd-timesyncd-networkd-resolved-homed-us.patch 
 
+%ifarch riscv64
+Patch9001:      extend_timeout_for_riscv.patch
+%endif
+
 BuildRequires:  gcc, gcc-c++, rsync
 BuildRequires:  libcap-devel, libmount-devel, pam-devel, libselinux-devel
 BuildRequires:  audit-libs-devel, cryptsetup-devel, dbus-devel, libacl-devel
@@ -1262,11 +1266,15 @@ fi
 /usr/lib/systemd/user/session.slice
 /usr/lib/sysusers.d/README
 /usr/lib/tmpfiles.d/README
+%ifnarch riscv64
 /usr/lib/udev/dmi_memory_id
+%endif
 /usr/lib/udev/hwdb.d/20-dmi-id.hwdb
 /usr/lib/udev/hwdb.d/60-autosuspend-fingerprint-reader.hwdb
 /usr/lib/udev/hwdb.d/README
+%ifnarch riscv64
 /usr/lib/udev/rules.d/70-memory.rules
+%endif
 /usr/lib/udev/rules.d/README
 /usr/share/bash-completion/completions/systemd-id128
 /usr/share/zsh/site-functions/_systemd-path
@@ -1554,6 +1562,9 @@ fi
 %exclude /usr/share/man/man3/*
 
 %changelog
+* Fri Jan 14 2022 lvxiaoqian <xiaoqian@nj.iscas.ac.cn> - 248-16
+- update for riscv
+
 * Tue Dec 28 2021 licunlong <licunlong1@huawei.com> - 248-15
 - fix typo: disable not denable.