diff --git a/blivet-3.4.2-sw.patch b/blivet-3.4.2-sw.patch
new file mode 100755
index 0000000000000000000000000000000000000000..039580192045d0a8f94d5b261abc2945fd855dcd
--- /dev/null
+++ b/blivet-3.4.2-sw.patch
@@ -0,0 +1,28 @@
+diff -Naur blivet-3.4.2.org/blivet/arch.py blivet-3.4.2.sw/blivet/arch.py
+--- blivet-3.4.2.org/blivet/arch.py	2022-09-05 16:07:41.840000000 +0000
++++ blivet-3.4.2.sw/blivet/arch.py	2022-09-05 16:09:17.720000000 +0000
+@@ -304,6 +304,15 @@
+     return os.uname()[4] == 'ia64'
+ 
+ 
++def is_sw_64():
++    """
++    :return: True if the hardware supports Sw_64, False otherwise.
++    :rtype: boolean
++
++    """
++    return os.uname()[4].startswith('sw_64')
++
++
+ def is_alpha():
+     """
+     :return: True if the hardware supports Alpha, False otherwise.
+@@ -351,6 +360,8 @@
+         return os.uname()[4]
+     elif is_aarch64():
+         return 'aarch64'
++    elif is_sw_64():
++        return 'sw_64'
+     elif is_alpha():
+         return 'alpha'
+     elif is_arm():
diff --git a/python-blivet.spec b/python-blivet.spec
index 116827bf71e486dcc3a796f7036f000ffa94f5d7..686f4b1b811a6cc4097121d86d6a54731417a9d1 100644
--- a/python-blivet.spec
+++ b/python-blivet.spec
@@ -3,7 +3,7 @@
 
 Name:           python-blivet
 Version:        3.4.2
-Release:        2
+Release:        3
 Epoch:          1
 Summary:        A python module for system storage configuration
 License:        LGPLv2+
@@ -21,6 +21,7 @@ Patch0:         0001-force-lvm-plugin.patch
 Patch1:         fix-the-long-hostname.patch
 Patch9000:      fix-allocate-partitions-threw-exception-when-raid.patch
 Patch9001:      0001-Make-sure-we-mount-the-top-level-subvolume-when-moun.patch
+Patch9002:      blivet-3.4.2-sw.patch
 
 
 
@@ -123,6 +124,9 @@ make PYTHON=%{__python2} DESTDIR=%{buildroot} install
 %doc README.md
 
 %changelog
+* Tue Oct 18 2022 wuzx<wuzx1226@qq.com> - 3.4.2-3
+- add sw64 patch
+
 * Thu Jul 28 2022 Chenxi Mao <chenxi.mao@suse.com> - 3.4.2-2
 - Fix remove subvolumes error on brtfs during installation.