diff --git a/README.en.md b/README.en.md
index 90dcaa379a006c2d175ac5de3fb774cb03e7f182..d8068d5477948b50feeb7a08718cc21da76901e0 100644
--- a/README.en.md
+++ b/README.en.md
@@ -14,7 +14,7 @@ Software architecture description
 
 #### Instructions
 
-1.  xxxx
+1.  Notice: The libunwind created under base sig is the software that the OS depends on, it has the same name as llvm libunwind. Due to above reasons, creating llvm-libunwind in compiler sig.
 2.  xxxx
 3.  xxxx
 
diff --git a/README.md b/README.md
index 9ee6c3b800479fb83df0f99b3cdf1fc950d4c77c..d6a9b4e28da3166e9ae9b5a8f41efbd68e8dd26c 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ The llvm-libunwind is C ABI libs of llvm for openEuler
 
 #### 使用说明
 
-1.  xxxx
+1.  注意：base的sig下面创建的libunwind是操作系统依赖的软件，与llvm的libunwind库发生重名的现象，故在compiler的sig下创建llvm-libunwind工程
 2.  xxxx
 3.  xxxx
 
diff --git a/libunwind-8.0.1.spec b/libunwind-8.0.1.spec
new file mode 100644
index 0000000000000000000000000000000000000000..ca79f40559ed723920f8e85ca0d63980721bec2b
--- /dev/null
+++ b/libunwind-8.0.1.spec
@@ -0,0 +1,51 @@
+%global debug_package %{nil}
+
+Name:           libunwind
+Version:        8.0.1
+Release:        1%{?dist}
+Summary:        LLVM "libunwind" runtime libraries
+License:        BSD
+URL:            http://llvm.org
+Source0:        https://github.com/llvm/llvm-project/releases/download/llvmorg-%{version}/libunwind-%{version}.src.tar.xz
+
+
+BuildRequires:  gcc
+BuildRequires:  gcc-c++
+BuildRequires:  cmake
+BuildRequires:  python3
+
+%description
+The libunwind-devel package includes the libraries and header files for
+libunwind.
+
+%prep
+%autosetup -n libunwind-%{version}.src
+
+%build
+mkdir -p _build
+cd _build
+cmake \
+        -DCMAKE_INSTALL_PREFIX=%{_prefix} \
+        -DCMAKE_BUILD_TYPE=RelWithDebInfo \
+        -DCMAKE_C_COMPILER_TARGET=%{_arch} \
+        -DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON \
+%if 0%{?__isa_bits} == 64
+        -DLLVM_LIBDIR_SUFFIX=64 \
+%else
+        -DLLVM_LIBDIR_SUFFIX= \
+%endif
+  ..
+
+%make_build
+
+%install
+cd _build
+%make_install
+
+%files
+%{_libdir}/libunwind.*
+
+
+%changelog
+* Tue Nov 23 2021 Cheng Congxiu <chengcongxiu@huawei.com> - 8.0.1-1
+- update to 8.0.1-1
diff --git a/libunwind-8.0.1.src.tar.xz b/libunwind-8.0.1.src.tar.xz
new file mode 100644
index 0000000000000000000000000000000000000000..ddfb91e4b5dd5653ad8a2701492296ac85e6a36d
Binary files /dev/null and b/libunwind-8.0.1.src.tar.xz differ