diff --git a/grub.macros b/grub.macros
index 082eb2b4b940e5211f48394f4118f302ce7dad9a..fb3299efbf174dce2d6cdc2455b902d51ab60a2a 100644
--- a/grub.macros
+++ b/grub.macros
@@ -100,7 +100,7 @@
 
 
 %global efi_only aarch64 %{arm} riscv64 loongarch64
-%global efi_arch x86_64 ia64 %{efi_only}
+%global efi_arch x86_64 ia64 %{efi_only} sw_64
 %ifarch %{efi_arch}
 %global with_efi_arch 1
 %else
diff --git a/grub2.spec b/grub2.spec
index b959e1dc95d6ae3e2bb516380f2a303a15e7aa1c..93ac5cbdd1eb7545519bfc199b9577318d41a8bb 100644
--- a/grub2.spec
+++ b/grub2.spec
@@ -23,7 +23,7 @@
 Name:		grub2
 Epoch:		1
 Version:	2.12
-Release:	44
+Release:	45
 Summary:	Bootloader with support for Linux, Multiboot and more
 License:	GPLv3+
 URL:		http://www.gnu.org/software/grub/
@@ -464,6 +464,12 @@ fi
 %{_datadir}/man/man*
 
 %changelog
+* Sun Sep 28 2025 sunway_fw <sunway_fw@wxiat.com> - 1:2.12-45
+- Type:bugfix
+- CVE:NA
+- SUG:NA
+- DESC:add efi_only micro support for sw64 arch
+
 * Mon Aug 18 2025 zhangqiumiao <zhangqiumiao1@h-partners.com> - 1:2.12-44
 - Type:bugfix
 - CVE:NA