diff --git a/libtasn1.spec b/libtasn1.spec
index a83a95ea6220375baebdf124ddc0c6b05e7dbd30..2b1b9f3937233e334e0902c5dd14c97f33046de7 100644
--- a/libtasn1.spec
+++ b/libtasn1.spec
@@ -1,13 +1,13 @@
 Summary:	Libtasn1 is a ASN.1 parsing library
 Name:		libtasn1
 Version:	4.16.0
-Release:	1
+Release:	2
 
 # The libtasn1 library is LGPLv2+, utilities are GPLv3+
 License:	GPLv3+ and LGPLv2+
 URL:		http://www.gnu.org/software/libtasn1/
-Source0:	http://ftp.gnu.org/gnu/libtasn1/%name-%version.tar.gz
-Source1:	http://ftp.gnu.org/gnu/libtasn1/%name-%version.tar.gz.sig
+Source0:	http://ftp.gnu.org/gnu/libtasn1/%{name}-%{version}.tar.gz
+Source1:	http://ftp.gnu.org/gnu/libtasn1/%{name}-%{version}.tar.gz.sig
 
 BuildRequires:	gcc, autoconf, automake, libtool, gnupg2, bison, pkgconfig, help2man
 %ifarch %{valgrind_arches}
@@ -81,6 +81,9 @@ test "$1" = 0 -a -f %_infodir/%name.info.gz && \
 %{_infodir}/*.info.*
 
 %changelog
+* Tue Sep 8 2020 wangchen <wangchen137@huawei.com> - 4.16.0-2
+- modify the URL of Source
+
 * Sat Jul 25 2020 linwei <linwei54@huawei.com> - 4.16.0-1
 - update libtasn1 to 4.16.0