diff --git a/libx86emu-1.11-ldflags.patch b/libx86emu-1.11-ldflags.patch
deleted file mode 100644
index 20e320f08cd9cdd33fdcabcea7abf39d3d1b7b89..0000000000000000000000000000000000000000
--- a/libx86emu-1.11-ldflags.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- Makefile.orig	2017-11-16 15:00:14.579051907 +0100
-+++ Makefile	2017-11-16 15:00:31.728134481 +0100
-@@ -45,7 +45,7 @@
- 	install -m 644 -D include/x86emu.h $(DESTDIR)/usr/include/x86emu.h
- 
- $(LIB_NAME): .depend $(OBJS)
--	$(CC) -shared -Wl,-soname,$(LIB_SONAME) $(OBJS) -o $(LIB_NAME)
-+	$(CC) -shared -Wl,-soname,$(LIB_SONAME) $(LDFLAGS) $(OBJS) -o $(LIB_NAME)
- 
- test:
- 	make -C test
diff --git a/libx86emu-1.11.tar.gz b/libx86emu-1.11.tar.gz
deleted file mode 100644
index eef1c98676f7597e39b33c186c78dd5e0e1e09fd..0000000000000000000000000000000000000000
Binary files a/libx86emu-1.11.tar.gz and /dev/null differ
diff --git a/libx86emu-3.1.tar.gz b/libx86emu-3.1.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..0a90bf2c5151b122ae0172f355501adccd42a611
Binary files /dev/null and b/libx86emu-3.1.tar.gz differ
diff --git a/libx86emu.spec b/libx86emu.spec
index 51fda9e2a3006b0549905dfd56d53066683ac55c..ecd2c6ae409ecb4a520ca55476f560e1c092d211 100644
--- a/libx86emu.spec
+++ b/libx86emu.spec
@@ -7,14 +7,14 @@
         LDFLAGS="-fPIC %{__global_ldflags}"
 
 Name:           libx86emu
-Version:        1.11
-Release:        4
+Version:        3.1
+Release:        1
 Summary:        x86 emulation library
 License:        BSD
 URL:            https://github.com/wfeldt/libx86emu
 Source0:        https://github.com/wfeldt/libx86emu/archive/%{version}/%{name}-%{version}.tar.gz
-Patch0:         libx86emu-1.11-ldflags.patch
 BuildRequires:  gcc
+BuildRequires:  libx86emu
 
 %description
 libx86emu is a small library to emulate x86 instructions. 
@@ -38,18 +38,25 @@ The %{name}-devel package contains development files for %{name}.
 
 %install
 %make_install %{make_flags}
+cp %{_libdir}/libx86emu.so.1* %{buildroot}%{_libdir}/
 
 %files
 %defattr(-,root,root)
 %doc README.md
 %license LICENSE
-%{_libdir}/*.so.*
+%{_libdir}/libx86emu.so.*
 
 %files          devel
 %defattr(-,root,root)
-%{_includedir}/*.h
-%{_libdir}/*.so
+%{_includedir}/x86emu.h
+%{_libdir}/libx86emu.so
 
 %changelog
+* Wed Aug 19 2020 zhanzhimin <zhanzhimin@huawei.com> - 3.1-1
+- Type:enhancement
+- ID:NA
+- SUG:NA
+- DESC:upgrade to version 3.1
+
 * Mon Sep 2 2019 openEuler Buildteam <buildteam@openeuler.org> - 1.11-4
 - Package init