diff --git a/c5e4391b86ab0198c9878620d566a66043bd1f43.patch b/c5e4391b86ab0198c9878620d566a66043bd1f43.patch
new file mode 100644
index 0000000000000000000000000000000000000000..5621e432f8f659f41987376b9e31d52327b67cc8
--- /dev/null
+++ b/c5e4391b86ab0198c9878620d566a66043bd1f43.patch
@@ -0,0 +1,12 @@
+diff --git a/evdns.c b/evdns.c
+index 8df185685..14a643984 100644
+--- a/evdns.c
++++ b/evdns.c
+@@ -28,7 +28,6 @@
+  *
+  * Async DNS Library
+  * Adam Langley <agl@imperialviolet.org>
+- * http://www.imperialviolet.org/eventdns.html
+  * Public Domain code
+  *
+  * This software is Public Domain. To view a copy of the public domain dedication,
diff --git a/libevent.spec b/libevent.spec
index d03677e68ff00037b6c66924a470a59e851ac4f6..5c5102211e46e187ba7a57bf75961c05933a3737 100644
--- a/libevent.spec
+++ b/libevent.spec
@@ -2,7 +2,7 @@
 
 Name:           libevent
 Version:        2.1.12
-Release:        1
+Release:        2
 Summary:        An event notification library
 
 License:        BSD
@@ -13,6 +13,7 @@ BuildRequires: gcc doxygen openssl-devel libevent
 
 Patch0: libevent-nonettests.patch
 Patch1: http-add-callback-to-allow-server-to-decline-and-the.patch
+Patch6000: c5e4391b86ab0198c9878620d566a66043bd1f43.patch
 
 %description
 Libevent additionally provides a sophisticated framework for buffered network IO, with support for sockets,
@@ -71,6 +72,9 @@ make check
 
 
 %changelog
+* 20201227025849786397 patch-tracking 2.1.12-2
+- append patch file of upstream repository from <c5e4391b86ab0198c9878620d566a66043bd1f43> to <c5e4391b86ab0198c9878620d566a66043bd1f43>
+
 * Thu Jul 30 2020 yang_zhuang_zhuang <yangzhuangzhuang1@huawei.com> - 2.1.12-1
 - Type:enhancement
 - ID:NA
@@ -90,4 +94,4 @@ make check
 - DESC:add global marco of debug_package
 
 * Tue Aug 27 2019 openEuler Buildteam <buildteam@openeuler.org> - 2.1.11-1
-- Package init
+- Package init
\ No newline at end of file