diff --git a/ocaml-findlib.spec b/ocaml-findlib.spec
index 4d7e1af..8972378 100644
--- a/ocaml-findlib.spec
+++ b/ocaml-findlib.spec
@@ -1,6 +1,10 @@
+%ifarch sw_64
+%global debug_package %{nil}
+%define __os_install_post %{nil}
+%endif
 Name:           ocaml-findlib
 Version:        1.9.6
-Release:        1
+Release:        2
 Summary:        OCaml library manager
 License:        MIT
 URL:            http://projects.camlcity.org/projects/findlib.html
@@ -41,7 +45,9 @@ tools/extract_args/extract_args -o src/findlib/ocaml_args.ml ocamlc ocamlcp ocam
 ./configure -config %{_sysconfdir}/ocamlfind.conf  -bindir %{_bindir} -mandir %{_mandir}\
             -sitelib `ocamlc -where` -with-toolbox
 make all
+%ifnarch sw_64
 make opt
+%endif
 rm -f doc/guide-html/TIMESTAMP
 
 %install
@@ -69,6 +75,9 @@ make install  prefix=$RPM_BUILD_ROOT  OCAMLFIND_BIN=%{_bindir}  OCAMLFIND_MAN=%{
 %{_mandir}/man{1,5}/*
 
 %changelog
+* Tue Feb 25 2025 zhangshaoning <zhangshaoning@uniontech.com> - 1.9.6-2
+- Add sw_64 support
+
 * Wed Sep 20 2023 liyanan <thistleslyn@163.com> - 1.9.6-1
 - update to 1.9.6