diff --git a/blktrace.spec b/blktrace.spec
index 18bb479d1bb87a759a185b7c37c7ee2bcf8e33b1..754c5fa06e69dc2e4535ec239efdda04c389cfa3 100644
--- a/blktrace.spec
+++ b/blktrace.spec
@@ -1,12 +1,12 @@
 Name:    blktrace
 Version: 1.2.0
-Release: 19
+Release: 20
 Summary: Block IO tracer in the Linux kernel
 License: GPLv2+
 Source:  http://brick.kernel.dk/snaps/blktrace-%{version}.tar.bz2
 URL:     https://git.kernel.dk/cgit/blktrace 
 
-BuildRequires: gcc, git, xz, libaio-devel, python3, librsvg2-devel blktrace sysstat theora-tools
+BuildRequires: gcc,  xz, libaio-devel, python3, librsvg2-devel blktrace sysstat theora-tools
 Requires:      python3
 
 Patch1:  0001-jhash-fix-annoying-gcc-fall-through-warnings.patch
@@ -40,7 +40,7 @@ Requires: man
 This contains man files for the using of blktrace.
 
 %prep
-%autosetup -Sgit -n %{name}-%{version}
+%autosetup -n %{name}-%{version} -p1
 
 %build
 %make_build
@@ -89,6 +89,9 @@ comparing the differences between different benchmark runs.
 %{_mandir}/man1/iowatcher.*
 
 %changelog
+* Fri Jul 30 2021 chenyanpanHW <chenyanpan@huawei.com> - 1.2.0-20
+- DESC: delete -Sgit from %autosetup, and delete BuildRequires git
+
 * Fri Jul 23 2021 yanglongkang <yanglongkang@huawei.com> - 1.2.0-19
 - delete -j1 compilation options