diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000000000000000000000000000000000000..f087b429e2f81a9f37b28a8308e2210f84df6c9b
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+*.tar.gz filter=lfs diff=lfs merge=lfs -text
diff --git a/.lfsconfig b/.lfsconfig
new file mode 100644
index 0000000000000000000000000000000000000000..5fe2ef5de533d5b78d2e2f7bdeb2c7b609d9bddc
--- /dev/null
+++ b/.lfsconfig
@@ -0,0 +1,2 @@
+[lfs]
+	url = https://artlfs.openeuler.openatom.cn/src-openEuler/mpich
diff --git a/mpich-4.2.0.tar.gz b/mpich-4.2.0.tar.gz
deleted file mode 100644
index 2ff8ceb961475981231aa574ba8f6d8503c0d486..0000000000000000000000000000000000000000
Binary files a/mpich-4.2.0.tar.gz and /dev/null differ
diff --git a/mpich-4.3.1.tar.gz b/mpich-4.3.1.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..b477d7a0b2e8c680fd60a59c23b75ebd0fd392ce
--- /dev/null
+++ b/mpich-4.3.1.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:acc11cb2bdc69678dc8bba747c24a28233c58596f81f03785bf2b7bb7a0ef7dc
+size 37469641
diff --git a/mpich.spec b/mpich.spec
index 50039278b32d909b7ee4ad28323b6945561295d3..888a40bffd8ab17a1e55009fb4f608bdb9a7e346 100644
--- a/mpich.spec
+++ b/mpich.spec
@@ -1,6 +1,6 @@
 Summary:        A high-performance implementation of MPI
 Name:           mpich
-Version:        4.2.0
+Version:        4.3.1
 Release:        1
 License:        MIT
 URL:            http://www.mpich.org/
@@ -9,6 +9,7 @@ Source1:        mpich.macros
 Source2:        mpich.pth.py3
 Patch0:         mpich-modules.patch
 Patch1:         remove_json_c_conflict_glibc.patch
+Patch2:         romio-disable-tests.patch
 
 BuildRequires:  gcc gcc-c++ gcc-gfortran hwloc-devel >= 1.8
 %ifarch %{valgrind_arches}
@@ -175,6 +176,7 @@ make check V=1
 %{_libdir}/mpich/bin/mpivars
 %{_libdir}/mpich/bin/parkill
 %{_sysconfdir}/modulefiles/mpi/
+%{_sysconfdir}/mpixxx_opts.conf
 %{_mandir}/mpich-*/man*/*
 
 %files autoload
@@ -202,6 +204,16 @@ make check V=1
 %{python3_sitearch}/mpich.pth
 
 %changelog
+* Tue Jul 22 2025 yaoxin <1024769339@qq.com> - 4.3.1-1
+- Update to 4.3.1:
+  * Fix use of PMIX_PREFIX attribute for certain versions of OpenPMIx
+  * Fix Intel GPU output with MPIR_CVAR_DEBUG_SUMMARY
+  * Fix F08 binding compilation with nvfortran
+  * Fix line continuation Hydra's --configfile option
+  * Fix valgrind uninitialized read warnings in ch3
+  * Fix missing mpixxx_opts.conf file with help text for mpicc and friends
+  * Fixes for several compiler warnings
+
 * Mon Apr 21 2025 Ge Wang <wang__ge@126.com> - 4.2.0-1
 - Update to version 4.2.0
 
diff --git a/romio-disable-tests.patch b/romio-disable-tests.patch
new file mode 100644
index 0000000000000000000000000000000000000000..f3f92f4272d5434d9d3470f7fe4f9b274462edbe
--- /dev/null
+++ b/romio-disable-tests.patch
@@ -0,0 +1,11 @@
+--- a/src/mpi/romio/Makefile.am	2025-07-22 14:31:52.371600257 +0800
++++ b/src/mpi/romio/Makefile.am	2025-07-22 14:32:32.876600257 +0800
+@@ -56,7 +56,7 @@
+ 
+ # ------------------------------------------------------------------------
+ 
+-SUBDIRS = $(external_subdirs) . test
++SUBDIRS = $(external_subdirs) .
+ DIST_SUBDIRS = test test-internal $(external_dist_subdirs)
+ 
+ # for the sake of parallel make and avoiding an excessive number of convenience