diff --git a/texlive-base.spec b/texlive-base.spec
index b077d835d7c01c411b64b94c0b4521cdea3c9851..3211cf99ae8a8e4abe534922b3fd9fa352ccea37 100644
--- a/texlive-base.spec
+++ b/texlive-base.spec
@@ -4,7 +4,7 @@
 
 Name:           texlive-base
 Version:        20180414
-Release:        27
+Release:        28
 Epoch:          7
 Summary:        TeX formatting system
 License:        ASL 2.0 and Artistic 2.0 and BSD and GFDL and GPL+ and GPLv2 and GPLv3 and Knuth and LGPLv2+ and LGPLv3+ and LPPL and OFL and Public Domain
@@ -374,11 +374,12 @@ Source361:      http://ftp.math.utah.edu/pub/tex/historic/systems/texlive/2018/t
 Source362:      http://ftp.math.utah.edu/pub/tex/historic/systems/texlive/2018/tlnet-final/archive/xmltex.tar.xz
 Source363:      http://ftp.math.utah.edu/pub/tex/historic/systems/texlive/2018/tlnet-final/archive/yplan.doc.tar.xz
 Source364:      http://ftp.math.utah.edu/pub/tex/historic/systems/texlive/2018/tlnet-final/archive/yplan.tar.xz
-Patch0001:      tl-format.patch
-Patch0002:      texlive-20180414-new-poppler.patch
-Patch0003:      texlive-20180414-poppler-0.64.patch
-Patch0004:      texlive-20180414-synctex-version.patch
-Patch0005:      texlive-base-CVE-2018-17407.patch
+Patch0001:      tl-kpfix.patch
+Patch0002:      tl-format.patch
+Patch0003:      texlive-20180414-new-poppler.patch
+Patch0004:      texlive-20180414-poppler-0.64.patch
+Patch0005:      texlive-20180414-synctex-version.patch
+Patch0006:      texlive-base-CVE-2018-17407.patch
 
 BuildRequires:  xz libXaw-devel libXi-devel ncurses-devel bison flex file perl(Digest::MD5) texinfo gcc-c++
 BuildRequires:  gd-devel freetype-devel libpng-devel zlib-devel poppler-devel
@@ -8094,6 +8095,12 @@ done <<< "$list"
 %doc %{_datadir}/texlive/texmf-dist/doc/latex/yplan/
 
 %changelog
+* Mon Jan 20 2020 wutao <wutao@huawei.com> - 20180414-28
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC: modify spec
+
 * Sun Jan 19 2020 wutao <wutao@huawei.com> - 20180414-27
 - Type:bugfix
 - ID:NA
diff --git a/tl-kpfix.patch b/tl-kpfix.patch
new file mode 100644
index 0000000000000000000000000000000000000000..7f094449aac1281f778fa3cd35f4098ce0a8291f
--- /dev/null
+++ b/tl-kpfix.patch
@@ -0,0 +1,12 @@
+diff -up texlive-2013/a/texlive-20180414-source/texk/kpathsea/progname.c.kpfix texlive-2013/a/texlive-20180414-source/texk/kpathsea/progname.c
+--- a/texlive-20180414-source/texk/kpathsea/progname.c.kpfix	2013-08-12 09:28:14.422522624 +0200
++++ a/texlive-20180414-source/texk/kpathsea/progname.c	2013-08-12 12:16:02.958132658 +0200
+@@ -668,7 +668,7 @@ kpathsea_set_program_name (kpathsea kpse
+   kpathsea_xputenv (kpse, "SELFAUTOLOC", fix_selfdir (sdir));
+   sdir_parent = xdirname (sdir);
+   kpathsea_xputenv (kpse, "SELFAUTODIR", fix_selfdir (sdir_parent));
+-  sdir_grandparent = xdirname (sdir_parent);
++  sdir_grandparent = strdup("/usr/share/texlive");
+   kpathsea_xputenv (kpse, "SELFAUTOPARENT", fix_selfdir (sdir_grandparent));
+   sdir_greatgrandparent = xdirname (sdir_grandparent);
+   kpathsea_xputenv (kpse, "SELFAUTOGRANDPARENT", fix_selfdir (sdir_greatgrandparent));