diff --git a/.github/workflows/c-cpp.yml b/.github/workflows/c-cpp.yml
index 46b4d84..c7744fc 100644
--- a/.github/workflows/c-cpp.yml
+++ b/.github/workflows/c-cpp.yml
@@ -12,10 +12,16 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
-    - name: cmake
+    - name: Checkout Code
+      uses: actions/checkout@v2
+
+    - name: Configure
       run: cmake -DCMAKE_BUILD_TYPE=Release -DLIBIPC_BUILD_TESTS=ON .
-    - name: make
+
+    - name: Build
       run: make -j
-    - name: test
-      run: export LD_LIBRARY_PATH=./lib:$LD_LIBRARY_PATH && ./bin/test-ipc
+
+    - name: Test
+      env:
+        LD_LIBRARY_PATH: ./lib
+      run: ./bin/test-ipc
diff --git a/.github/workflows/codecov.yml b/.github/workflows/codecov.yml
new file mode 100644
index 0000000..e10e892
--- /dev/null
+++ b/.github/workflows/codecov.yml
@@ -0,0 +1,34 @@
+name: Upload CodeCov Report
+
+on:
+  push:
+    branches: [ refactoring ]
+  pull_request:
+    branches: [ refactoring ]
+
+jobs:
+  build:
+  
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout Code
+      uses: actions/checkout@v2
+
+    - name: Configure
+      run: cmake -DCMAKE_BUILD_TYPE=Debug -DLIBIPC_BUILD_TESTS=ON -DLIBIPC_CODECOV=ON .
+
+    - name: Build
+      run: make -j
+
+    - name: Test
+      env:
+        LD_LIBRARY_PATH: ./lib
+      run: ./bin/test-ipc
+
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v4.0.1
+      with:
+        verbose: true
+      env:
+        CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
diff --git a/CMakeLists.txt b/CMakeLists.txt
index d1fd61d..db65c02 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.11)
+cmake_minimum_required(VERSION 3.13)
 project(cpp-ipc)
 
 option(LIBIPC_BUILD_TESTS       "Build all of libipc's own tests."                      OFF)
@@ -6,6 +6,7 @@ option(LIBIPC_BUILD_DEMOS       "Build all of libipc's own demos."
 option(LIBIPC_BUILD_BENCHMARK   "Build all of libipc's own benchmark tests."            OFF)
 option(LIBIPC_BUILD_SHARED_LIBS "Build shared libraries (DLLs)."                        OFF)
 option(LIBIPC_USE_STATIC_CRT    "Set to ON to build with static CRT on Windows (/MT)."  OFF)
+option(LIBIPC_CODECOV           "Build with unit test coverage."                        OFF)
 
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 set(CMAKE_CXX_STANDARD 17)
@@ -31,8 +32,15 @@ if (MSVC)
       endforeach()
   endif()
 else()
-  set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -DNDEBUG -O2")
-  set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -g -rdynamic -fsanitize=address")
+  add_compile_options(
+    "$<$<BOOL:${LIBIPC_CODECOV}>:SHELL:--coverage>"
+    "$<$<CONFIG:Release>:SHELL:-DNDEBUG -O2>"
+    "$<$<CONFIG:Debug>:SHELL:-g -rdynamic -fsanitize=address>"
+    )
+  add_link_options(
+    "$<$<BOOL:${LIBIPC_CODECOV}>:SHELL:-lgcov --coverage>"
+    "$<$<CONFIG:Debug>:SHELL:-fsanitize=address>"
+    )
 endif()
 
 set(LIBRARY_OUTPUT_PATH    ${CMAKE_BINARY_DIR}/bin)
@@ -73,4 +81,4 @@ endif()
 install(
   DIRECTORY "include/"
   DESTINATION "include"
-)
+  )
diff --git a/README.md b/README.md
index 65fe94e..8689a04 100755
--- a/README.md
+++ b/README.md
@@ -2,6 +2,7 @@
 
 [![MIT licensed](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/mutouyun/cpp-ipc/blob/master/LICENSE) 
 [![Build Status](https://github.com/mutouyun/cpp-ipc/actions/workflows/c-cpp.yml/badge.svg)](https://github.com/mutouyun/cpp-ipc/actions)
+[![CodeCov](https://codecov.io/github/mutouyun/cpp-ipc/graph/badge.svg?token=MNOAOLNELH)](https://codecov.io/github/mutouyun/cpp-ipc)
 [![Vcpkg package](https://img.shields.io/badge/Vcpkg-package-blueviolet)](https://github.com/microsoft/vcpkg/tree/master/ports/cpp-ipc)
  
 A high-performance inter-process communication using shared memory on Linux/Windows.