diff --git a/mpich.spec b/mpich.spec
index f231f8cae62a294b3c9643b6ce3431df23bc6ae9..65b6d5f3ffc4bdbccae4d36e4bce076fc1a8df56 100644
--- a/mpich.spec
+++ b/mpich.spec
@@ -1,7 +1,7 @@
 Summary:        A high-performance implementation of MPI
 Name:           mpich
 Version:        4.0.3
-Release:        5
+Release:        6
 License:        MIT
 URL:            http://www.mpich.org/
 Source0:        http://www.mpich.org/static/downloads/%{version}/mpich-%{version}.tar.gz
@@ -69,7 +69,7 @@ mpich support for Python 3.
 %{!?opt_fc_fflags: %global opt_fc_fflags %{optflags}}
 %{!?opt_f77_fflags: %global opt_f77_fflags %{optflags}}
 
-%ifarch aarch64 loongarch64 riscv64
+%ifarch aarch64 loongarch64 riscv64 sw_64
 %global m_option ""
 %else
 %global m_option -m64
@@ -204,6 +204,9 @@ make check V=1
 %{python3_sitearch}/mpich.pth
 
 %changelog
+* Mon Feb 17 2025 zhangshaoning <zhangshaoning@uniontech.com> - 4.0.3-6
+- Add sw_64 support
+
 * Sun Apr 28 2024 yinsist <jianhui.oerv@isrc.iscas.ac.cn> - 4.0.3-5
 - Valgrind does not support certain architectures like RISC-V, Before depending on Valgrind, first check if Valgrind supports the architecture