diff --git a/perl-CPAN-Meta-YAML.spec b/perl-CPAN-Meta-YAML.spec
index 196a89a..0386b54 100644
--- a/perl-CPAN-Meta-YAML.spec
+++ b/perl-CPAN-Meta-YAML.spec
@@ -1,6 +1,6 @@
 Name:      perl-CPAN-Meta-YAML  
 Version:   0.018
-Release:   420
+Release:   421
 Summary:   Read and write a subset of YAML for CPAN Meta files
 License:   GPL+ or Artistic
 URL:       https://metacpan.org/release/CPAN-Meta-YAML
@@ -33,14 +33,6 @@ perl Makefile.PL INSTALLDIRS=vendor NO_PERLLOCAL=1 NO_PACKLIST=1 UNINST=0
 %check
 make test
 
-%pre
-
-%preun
-
-%post
-
-%postun
-
 %files
 %defattr(-,root,root)
 %license LICENSE
@@ -52,6 +44,9 @@ make test
 %{_mandir}/*/*
 
 %changelog
+* Mon Oct 24 2022 yangmingtai <yangmingtai@huawei.com> - 0.018-421
+- Delete Unused Fields
+
 * Sat Dec 21 2019 openEuler Buildteam <buildteam@openeuler.org> - 0.018-420
 - Change mod of file