diff --git a/b159ea2be019ccda2c8e4155af0fc58b0adefb27.patch b/b159ea2be019ccda2c8e4155af0fc58b0adefb27.patch
new file mode 100644
index 0000000000000000000000000000000000000000..5a327168f853cb2ef19c677b5ff08bdef4a71d51
--- /dev/null
+++ b/b159ea2be019ccda2c8e4155af0fc58b0adefb27.patch
@@ -0,0 +1,12 @@
+diff --git a/libproxy/url.cpp b/libproxy/url.cpp
+index 7839afa..76ae47f 100644
+--- a/libproxy/url.cpp
++++ b/libproxy/url.cpp
+@@ -26,6 +26,7 @@
+ #include <sstream> // For int/string conversion (using stringstream)
+ #include <cstdio>  // For sscanf()
+ #include <cstdlib>    // For atoi()
++#include <cerrno>  // For errno and EINTR
+ #include <sys/stat.h> // For stat()
+ #include <algorithm> // For transform()
+ 
diff --git a/libproxy.spec b/libproxy.spec
index 92fbb2732f27e6c00a312c14592d24d278f55e11..d4b7d7eef967427f84b101217e8e9468c88a40d1 100644
--- a/libproxy.spec
+++ b/libproxy.spec
@@ -1,6 +1,6 @@
 Name:           libproxy
 Version:        0.4.15
-Release:        19
+Release:        20
 Summary:        Libproxy is a library that provides automatic proxy configuration management
 
 License:        LGPLv2+
@@ -19,6 +19,7 @@ Patch5:         libproxy-0.4.15-mozjs60.patch
 Patch6:         libproxy-0.4.15-mozjs68.patch
 Patch7:         libproxy-0.4.15-mozjs-use-after-free.patch
 Patch8:         libproxy-0.4.15-fix-CVE-2020-25219.patch
+Patch6000: b159ea2be019ccda2c8e4155af0fc58b0adefb27.patch
 
 
 BuildRequires:  cmake >= 2.6.0 gcc-c++
@@ -116,6 +117,9 @@ make test
 %{_mandir}/man1/proxy.1*
 
 %changelog
+* 20201207185849783757 patch-tracking 0.4.15-20
+- append patch file of upstream repository from <b159ea2be019ccda2c8e4155af0fc58b0adefb27> to <b159ea2be019ccda2c8e4155af0fc58b0adefb27>
+
 * Wed Dec 02 2020 xihaochen <xihaochen@huawei.com> - 0.4.15-19
 - Type:requirements
 - Id:NA
@@ -169,4 +173,4 @@ make test
 - DESC:remove the /usr/bin/kreadconfig5 in buildRequires.
 
 * Tue Sep 10 2019 liyongqiang<liyongqiang10@huawei.com> - 0.4.15-10
-- Package init
+- Package init
\ No newline at end of file