diff --git a/add-loongarch-support-for-dpkg.patch b/add-loongarch-support-not-upstream-modified.patch
similarity index 100%
rename from add-loongarch-support-for-dpkg.patch
rename to add-loongarch-support-not-upstream-modified.patch
diff --git a/add-sw64-support-not-upstream-modified.patch b/add-sw64-support-not-upstream-modified.patch
new file mode 100644
index 0000000..569ab84
--- /dev/null
+++ b/add-sw64-support-not-upstream-modified.patch
@@ -0,0 +1,9 @@
+diff --git a/data/cputable b/data/cputable
+index 840ccd4..b7741d1 100644
+--- a/data/cputable
++++ b/data/cputable
+@@ -52,3 +52,4 @@ sparc		sparc		sparc			32	big
+ sparc64		sparc64		sparc64			64	big
+ tilegx		tilegx		tilegx			64	little
+ loongarch64	loongarch64	loongarch64		64	little
++sw_64		sw_64		sw_64			64	little
diff --git a/dpkg.spec b/dpkg.spec
index 44008be..821bebc 100644
--- a/dpkg.spec
+++ b/dpkg.spec
@@ -2,7 +2,7 @@
 
 Name:		dpkg
 Version:	1.18.25
-Release:	12
+Release:	13
 Summary:	Package maintenance system for Debian Linux
 License:	GPLv2 and GPLv2+ and LGPLv2+ and Public Domain and BSD
 URL:		https://tracker.debian.org/pkg/dpkg
@@ -25,7 +25,9 @@ Requires(post): coreutils
 Patch1:		dpkg-fix-logrotate.patch
 Patch2:		dpkg-log-Change-logfile-permission-to-satisfy-with-s.patch
 Patch3:		CVE-2022-1664.patch
-Patch4:		add-loongarch-support-for-dpkg.patch
+
+Patch1000:	add-loongarch-support-not-upstream-modified.patch
+Patch1001:	add-sw64-support-not-upstream-modified.patch
 
 %description
 Dpkg is a tool to install, build, remove and manageDebian packages. The 
@@ -238,6 +240,9 @@ chown root:root /var/log/dpkg.log 2>/dev/null || chown 0:0 /var/log/dpkg.log
 %endif
 
 %changelog
+* Mon Aug 14 2023 herengui <herengui@kylinsec.com.cn> - 1.18.25-13
+- add sw64 support for dpkg
+
 * Fri Mar 10 2023 Wenlong Zhang<zhangwenlong@loongson.cn> - 1.18.25-12
 - add loongarch support for dpkg