diff --git a/jsoncpp.spec b/jsoncpp.spec
index f1048dd67bf46f166d78c03afe7fd07408935319..d4323214d392dacff0507de4b5b111354020bde2 100644
--- a/jsoncpp.spec
+++ b/jsoncpp.spec
@@ -1,6 +1,6 @@
 Name:           jsoncpp
 Version:        1.9.5
-Release:        2
+Release:        3
 Summary:        JSON C++ library
 License:        Public Domain or MIT
 URL:            https://github.com/open-source-parsers/jsoncpp
@@ -61,7 +61,8 @@ chmod 644 %{buildroot}%{_docdir}/%{name}/html/*.{html,png}
 touch %{buildroot}%{_docdir}/%{name}/html
 hardlink -cfv %{buildroot}%{_docdir}/%{name}
 
-cp -a %{_libdir}/libjsoncpp.so.* $RPM_BUILD_ROOT%{_libdir}
+# When the .so file name changes during version upgrade, you need to copy the lower version of .so file
+# cp -a %{_libdir}/libjsoncpp.so.* $RPM_BUILD_ROOT%{_libdir}
 
 %check
 %make_build -C %{_vpath_builddir} jsoncpp_check
@@ -90,6 +91,9 @@ cp -a %{_libdir}/libjsoncpp.so.* $RPM_BUILD_ROOT%{_libdir}
 
 
 %changelog
+* Mon Jan 10 2022 shixuantong <shixuantong@huawei.com> - 1.9.5-3
+- Delete so files of lower versions
+
 * Wed Jan 05 2022 shangyibin <shangyibin1@huawei.com> - 1.9.5-2
 - copy the .so file of the old version.