diff --git a/0001-add-build-CFLAGS-g.patch b/0001-add-build-CFLAGS-g.patch
new file mode 100644
index 0000000000000000000000000000000000000000..5973629f78ee332d676e5b77702d432f4bd914af
--- /dev/null
+++ b/0001-add-build-CFLAGS-g.patch
@@ -0,0 +1,23 @@
+From 26674a6d4458479698d3776782199edccf52e231 Mon Sep 17 00:00:00 2001
+From: zhangtao2020 <18066722603@163.com>
+Date: Mon, 6 Sep 2021 16:06:32 +0800
+Subject: [PATCH] add build CFLAGS -g
+
+---
+ Makefile | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/Makefile b/Makefile
+index db6ab34..3920b6c 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,5 +1,5 @@
+ CXX ?= g++
+-CFLAGS = -Wall -Wconversion -O3 -fPIC
++CFLAGS = -Wall -Wconversion -O3 -fPIC -g
+ SHVER = 2
+ OS = $(shell uname)
+ 
+-- 
+2.27.0
+
diff --git a/libsvm.spec b/libsvm.spec
index 6f0a26ec39c229717caaffe06a6d46a84fd3a9cf..31cfe09095c2b982f54a5ece654b790abd7a7314 100644
--- a/libsvm.spec
+++ b/libsvm.spec
@@ -1,6 +1,5 @@
-%global debug_package %{nil}
 %define rel_ver 324
-%define pkg_ver 1.1
+%define pkg_ver 3
 
 Summary: A Library for Support Vector Machines
 Name: libsvm
@@ -9,6 +8,7 @@ Release: %{pkg_ver}%{?dist}
 License: BSD
 URL: https://www.csie.ntu.edu.tw/~cjlin/libsvm/
 Source0: https://www.csie.ntu.edu.tw/~cjlin/libsvm/%{name}-%{rel_ver}.tar.gz
+Patch0001:  0001-add-build-CFLAGS-g.patch
 
 BuildRoot: %{_tmppath}/%{name}-%{rel_ver}-%{release}-root
 BuildRequires: gcc, gcc-c++, make
@@ -21,6 +21,7 @@ Provides
 
 %prep
 %setup -q
+%patch0001 -p1
 
 %build
 make
@@ -40,8 +41,11 @@ install -p -D svm-train    %{buildroot}/usr/bin/
 rm -rf %{buildroot}
 
 %changelog
-* Sun Sep 12 2020 hubble_zhu<hubble_zhu@qq.com> - 1.1
+* Sat Sep 4 2020 zhangtao<zhangtao221@huawei.com> - 324-3
+- add CFLAGS -g and strip binary files
+
+* Sun Sep 12 2020 hubble_zhu<hubble_zhu@qq.com> - 324-2
 - modify Source0 path
 
-* Thu Aug 27 2020 hubble_zhu<hubble_zhu@qq.com> - 1.0
+* Thu Aug 27 2020 hubble_zhu<hubble_zhu@qq.com> - 324-1
 - package init