diff --git a/add-riscv-support.patch b/add-riscv-support.patch
new file mode 100644
index 0000000000000000000000000000000000000000..e411481945c7c5f670d571fdcb830892d54a2abe
--- /dev/null
+++ b/add-riscv-support.patch
@@ -0,0 +1,25 @@
+diff -ur trafficserver-9.1.4/build/_aux/config.guess trafficserver-9.1.4/build/_aux/config.guess
+--- trafficserver-9.1.4/build/_aux/config.guess	2022-12-15 00:12:58.000000000 +0800
++++ trafficserver-9.1.4/build/_aux/config.guess	2023-06-29 22:17:30.463222251 +0800
+@@ -972,6 +972,9 @@
+     aarch64:Linux:*:*)
+ 	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
+ 	;;
++	riscv64:Linux:*:*)
++	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
++	;;
+     aarch64_be:Linux:*:*)
+ 	UNAME_MACHINE=aarch64_be
+ 	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
+diff -ur trafficserver-9.1.4/include/tscore/ink_queue.h trafficserver-9.1.4/include/tscore/ink_queue.h
+--- trafficserver-9.1.4/include/tscore/ink_queue.h	2022-12-15 00:12:58.000000000 +0800
++++ trafficserver-9.1.4/include/tscore/ink_queue.h	2023-06-29 22:17:33.107226277 +0800
+@@ -139,7 +139,7 @@
+ #define SET_FREELIST_POINTER_VERSION(_x, _p, _v) \
+   (_x).s.pointer = _p;                           \
+   (_x).s.version = _v
+-#elif defined(__x86_64__) || defined(__ia64__) || defined(__powerpc64__) || defined(__aarch64__) || defined(__mips64)
++#elif defined(__x86_64__) || defined(__ia64__) || defined(__powerpc64__) || defined(__aarch64__) || defined(__mips64)|| defined(__riscv)
+ /* Layout of FREELIST_POINTER
+  *
+  *  0 ~ 47 bits : 48 bits, Virtual Address (47 bits for AMD64 and 48 bits for AArch64)
diff --git a/trafficserver.spec b/trafficserver.spec
index c42f3c2c49b7661684b33b539455e2c1d12b6631..cbffdd55e328e3f443b7c14e76ec1e0ea36c16a2 100644
--- a/trafficserver.spec
+++ b/trafficserver.spec
@@ -1,7 +1,7 @@
 %define _hardened_build 1
 Name:                trafficserver
 Version:             9.1.4
-Release:             2
+Release:             3
 Summary:             Apache Traffic Server, a reverse, forward and transparent HTTP proxy cache
 License:             Apache-2.0
 URL:                 https://trafficserver.apache.org/
@@ -11,6 +11,7 @@ Patch0001:           Fix-status-failure-after-stopping-service.patch
 Patch0002:           Fix-log-in-debug-mode.patch
 Patch0003:           config-layout-openEuler.patch
 Patch0004:           Modify-storage.config-for-traffic_cache_tool.patch
+Patch0005:           add-riscv-support.patch
 BuildRequires:       expat-devel hwloc-devel openssl-devel pcre-devel zlib-devel xz-devel
 BuildRequires:       libcurl-devel ncurses-devel gcc gcc-c++ perl-ExtUtils-MakeMaker
 BuildRequires:       libcap-devel cmake libunwind-devel automake chrpath
@@ -131,6 +132,9 @@ getent passwd ats >/dev/null || useradd -r -u 176 -g ats -d / -s /sbin/nologin -
 %{_datadir}/pkgconfig/trafficserver.pc
 
 %changelog
+* Fri Jun 30 2023 zhangxiang <zhangxiang@iscas.ac.cn> - 9.1.4-3
+- add riscv support
+
 * Fri Mar 03 2023 Ge Wang <wangge20@h-partners.com> - 9.1.4-2
 - Remove rpath