diff --git a/0001-add-sw_64-arch-support.patch b/0001-add-sw_64-arch-support.patch
new file mode 100644
index 0000000000000000000000000000000000000000..3b8651d2c4eec4bb5da6c229737580bfad5b65bc
--- /dev/null
+++ b/0001-add-sw_64-arch-support.patch
@@ -0,0 +1,21 @@
+From 2f3fd59a82511a72b0130d1e3b6657033e8af072 Mon Sep 17 00:00:00 2001
+From: dongchuanjian <chuanjian@nfschina.com>
+Date: Wed, 23 Apr 2025 17:45:21 +0800
+Subject: [PATCH] add sw_64 arch support
+
+
+diff --git a/config.sub b/config.sub
+index 51394d3..8206231 100755
+--- a/config.sub
++++ b/config.sub
+@@ -1246,6 +1246,7 @@ case $cpu-$vendor in
+ 			| sparclite \
+ 			| sparcv8 | sparcv9 | sparcv9b | sparcv9v | sv1 | sx* \
+ 			| spu \
++                        | sw_64 \
+ 			| tahoe \
+ 			| thumbv7* \
+ 			| tic30 | tic4x | tic54x | tic55x | tic6x | tic80 \
+-- 
+2.41.0
+
diff --git a/ncurses.spec b/ncurses.spec
index 6f5b0fe14cc7fecdb07b0b6dd1f85b27f075d574..4c240133b54dcbe38ab0881cd77c5e0cd55f9d6c 100644
--- a/ncurses.spec
+++ b/ncurses.spec
@@ -1,4 +1,4 @@
-%define anolis_release 3
+%define anolis_release 4
 %define ver 6.4
 %define patchdate 20240127
 
@@ -11,6 +11,7 @@ Summary:        Ncurses support utilities
 License:        MIT
 URL:            https://invisible-island.net/ncurses/ncurses.html
 Source0:        https://invisible-mirror.net/archives/ncurses/current/ncurses-%{ver}-%{patchdate}.tgz
+Patch0:	0001-add-sw_64-arch-support.patch
 
 BuildRequires: gcc gcc-c++ gpm-devel gnupg2 make
 Requires:      %{name}-libs = %{epoch}:%{version}-%{release}  
@@ -303,6 +304,9 @@ xz NEWS
 
 
 %changelog
+* Wed Apr 23 2025 Dong Chuanjian <chuanjian@nfschina.com> - 6.4-4
+- Add sw_64 support
+
 * Mon Mar 17 2025 mgb01105731 <mgb01105731@alibaba-inc.com> - 6.4-3.20240127
 - Update to patchlevel 20240127
 - Fix CVE-2023-29491, CVE-2023-50495