diff --git a/0001-mvapich2-2.3.6-add-support-for-loongarch64.patch b/0001-mvapich2-2.3.6-add-support-for-loongarch64.patch
new file mode 100644
index 0000000000000000000000000000000000000000..102f94c2cfadabb92882f0d7a556dc97f0cf60cd
--- /dev/null
+++ b/0001-mvapich2-2.3.6-add-support-for-loongarch64.patch
@@ -0,0 +1,37 @@
+From f9aedeaeadd84f2c5e949a148e82d2a18d1e45d8 Mon Sep 17 00:00:00 2001
+From: test <test@example.com>
+Date: Thu, 25 Apr 2024 07:45:52 +0000
+Subject: [PATCH] mvapich2 2.3.6 add support for loongarch64
+
+---
+ src/mpid/ch3/channels/common/include/mv2_clock.h | 14 ++++++++++++++
+ 1 file changed, 14 insertions(+)
+
+diff --git a/src/mpid/ch3/channels/common/include/mv2_clock.h b/src/mpid/ch3/channels/common/include/mv2_clock.h
+index 77552c4..0ad6b43 100644
+--- a/src/mpid/ch3/channels/common/include/mv2_clock.h
++++ b/src/mpid/ch3/channels/common/include/mv2_clock.h
+@@ -81,6 +81,20 @@ static inline cycles_t get_cycles()
+     asm volatile ("mov %0=ar.itc" : "=r" (ret));
+     return ret;
+ }
++#elif defined(__loongarch64)
++typedef unsigned long cycles_t;
++static inline cycles_t get_cycles()
++{
++	int rID = 0;
++        cycles_t val = 0;
++
++        __asm__ __volatile__(
++                "rdtime.d %0, %1 \n\t"
++                : "=r"(val), "=r"(rID)
++                :
++                );
++        return val;
++}
+ #elif defined(__aarch64__)
+ typedef unsigned long cycles_t;
+ static inline cycles_t get_cycles()
+-- 
+2.43.0
+
diff --git a/1000-add-riscv-support.patch b/1000-add-riscv-support.patch
deleted file mode 100644
index 707880f2a418d5ffdffa7bc75e153b94475db841..0000000000000000000000000000000000000000
--- a/1000-add-riscv-support.patch
+++ /dev/null
@@ -1,18 +0,0 @@
---- a/src/mpid/ch3/channels/common/include/mv2_clock.h	2018-07-24 22:30:00.000000000 +0800
-+++ b/src/mpid/ch3/channels/common/include/mv2_clock.h	2022-03-03 14:19:52.430980863 +0800
-@@ -92,7 +92,14 @@
- 
-        return ret;
- }
--
-+#elif defined(__riscv)
-+typedef unsigned long cycles_t;
-+static inline cycles_t get_cycles()
-+{
-+    unsigned long  clk;
-+    asm volatile("rdcycle %0" : "=r" (clk));
-+    return clk;
-+}
- #else
- #warning get_cycles not implemented for this architecture: attempt asm/timex.h
- #include <asm/timex.h>
diff --git a/1001-update-risv-support.patch b/1001-update-risv-support.patch
new file mode 100644
index 0000000000000000000000000000000000000000..cd438c9daf07f63c411a43c709d0d9680a935521
--- /dev/null
+++ b/1001-update-risv-support.patch
@@ -0,0 +1,62 @@
+diff --git a/src/mpid/ch3/channels/common/include/mv2_clock.h b/src/mpid/ch3/channels/common/include/mv2_clock.h
+index 77552c4..b7e41a3 100644
+--- a/src/mpid/ch3/channels/common/include/mv2_clock.h
++++ b/src/mpid/ch3/channels/common/include/mv2_clock.h
+@@ -93,6 +93,14 @@ static inline cycles_t get_cycles()
+        return ret;
+ }
+ 
++#elif defined(__riscv)
++// this function don't call
++typedef unsigned long cycles_t;
++static inline cycles_t get_cycles()
++{
++       return 0;
++}
++
+ #else
+ #warning get_cycles not implemented for this architecture: attempt asm/timex.h
+ #include <asm/timex.h>
+diff --git a/src/mpid/ch3/channels/common/src/util/mv2_clock.c b/src/mpid/ch3/channels/common/src/util/mv2_clock.c
+index 4d9eb0a..74d5686 100644
+--- a/src/mpid/ch3/channels/common/src/util/mv2_clock.c
++++ b/src/mpid/ch3/channels/common/src/util/mv2_clock.c
+@@ -52,7 +52,7 @@
+ /* For gettimeofday */
+ #define _BSD_SOURCE
+ #include <sys/time.h>
+-
++#include <time.h>
+ #include <unistd.h>
+ #include <stdio.h>
+ #include <stdlib.h>
+@@ -218,6 +218,21 @@ double get_cpu_mhz()
+ 
+ #ifndef DISABLE_LOW_LEVEL_TIMERS
+ 
++#if  defined(__riscv)
++void mv2_init_timers()
++{
++}
++double mv2_get_time_us()
++{
++    struct timespec ts;
++    if (clock_gettime(CLOCK_REALTIME,&ts) == -1){
++        PRINT_ERROR("Error in clock_gettime.");
++        exit(-1);
++    }
++    long long time_us = (long long )ts.tv_sec * 1000000 + ts.tv_nsec / 1000;
++    return (double)time_us;
++}
++#else
+ void mv2_init_timers()
+ {
+     global_mhz = get_cpu_mhz();
+@@ -231,6 +246,7 @@ double mv2_get_time_us()
+ {
+     return (get_cycles()/global_mhz);
+ }
++#endif
+ 
+ #else
+ 
diff --git a/mvapich2.spec b/mvapich2.spec
index 1180d6dd94200a2ce4b022553a9b802c3b05ce16..7b92241fef8166575a4e29933275e7ed00226740 100644
--- a/mvapich2.spec
+++ b/mvapich2.spec
@@ -2,7 +2,7 @@
 
 Name:            mvapich2
 Version:         2.3.6
-Release:         3
+Release:         5
 Summary:         OSU MVAPICH2 MPI package
 License:         BSD and MIT
 URL:             http://mvapich.cse.ohio-state.edu
@@ -12,8 +12,9 @@ Source2:         mvapich2.macros.in
 Patch0001:       0001-mvapich23-unbundle-contrib-hwloc.patch
 Patch0002:       0002-mvapich23-unbundle-osu_benchmarks.patch
 %ifarch riscv64
-Patch1000:       1000-add-riscv-support.patch
+Patch1000:       1001-update-risv-support.patch
 %endif
+Patch1001:       0001-mvapich2-2.3.6-add-support-for-loongarch64.patch
 BuildRequires:   gcc-gfortran python3-devel gcc-c++
 BuildRequires:   bison flex autoconf automake libtool
 BuildRequires:   perl-Digest-MD5 hwloc-devel rdma-core-devel
@@ -261,6 +262,12 @@ cd ..
 
 
 %changelog
+* Mon Jul  8 2024  pSomng <pisong.oerv@isrc.iscas.ac.cn> - 2.3.6-5
+- update risc-v support
+
+* Thu Apr 25 2024 Pengda Dou <doupengda@loongson.cn> - 2.3.6-4
+- add support for loongarch64
+
 * Fri Sep 1 2023 renyi <977713017@qq.com> - 2.3.6-3
 - Fix changelog error