diff --git a/byzanz.spec b/byzanz.spec
index 2faebcd..2fa15a4 100644
--- a/byzanz.spec
+++ b/byzanz.spec
@@ -2,7 +2,7 @@
 Summary: A desktop recorder
 Name: byzanz
 Version: 0.3
-Release: 0.26
+Release: 0.27
 License: GPLv3+
 URL: http://git.gnome.org/browse/byzanz/
 #Source0: http://download.gnome.org/sources/%{name}/0.2/%{name}-%{version}.tar.bz2
@@ -30,7 +30,7 @@ A command-line recording tool is included.
 %build
 ./autogen.sh
 CFLAGS="%optflags -Wno-deprecated-declarations"
-%ifarch armv7l armv7hl armv7hnl riscv64
+%ifarch armv7l armv7hl armv7hnl riscv64 sw_64
 # http://rwmj.wordpress.com/2014/01/06/alignment-errors-on-fedora-arm/
 CFLAGS="$CFLAGS -Wno-cast-align"
 %endif
@@ -54,6 +54,9 @@ make DESTDIR=%{buildroot} install
 %{_mandir}/man1/byzanz-record.1*
 
 %changelog
+* Thu Feb 27 2025 liweigang <liweiganga@uniontech.com> - 0.3-0.27
+- add sw_64 support
+
 * Fri Jun 30 2023 EastDong <xudong23@iscas.ac.cn> - 0.3-0.26
 - add riscv64 support