diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index bb98faf8..d5c79afe 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -51,13 +51,25 @@ jobs:
         run: |
           git config --global --add safe.directory $(pwd)
           mkdir -p build && cd build
-          cmake .. -DCMAKE_TOOLCHAIN_FILE=../cmake/x86_64-linux-gnu.cmake
+          cmake -DUSE_GCOV=1 .. -DCMAKE_TOOLCHAIN_FILE=../cmake/x86_64-linux-gnu.cmake
           make -j4
 
       - name: unit test
         run: |
           cd build
-          ctest --output-on-failure
+          sudo apt install -y lcov
+          ctest --output-on-failure -O tests/reports/ut.log --output-junit tests/reports/output.xml
+          lcov --capture --directory . --output-file  testneuron.info --test-name testneuron
+          genhtml -o result testneuron.info
+
+      - uses: actions/upload-artifact@v3
+        with:
+          name: ut_result
+          path: |
+            build/tests/reports/ut.log
+            build/tests/reports/output.xml
+            build/result/index.html
+            build/neuron.log
 
   ft:
     runs-on: ubuntu-20.04
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 375d97dd..118ed0ff 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -31,6 +31,14 @@ if(NOT DISABLE_WERROR)
   set(CMAKE_C_FLAGS "$ENV{CFLAGS} -Werror")
 endif()
 
+if(USE_GCOV)
+  message(STATUS "using gcov")
+  SET(GCC_COVERAGE_COMPILE_FLAGS "-fprofile-arcs -ftest-coverage")
+  SET(GCC_COVERAGE_LINK_FLAGS "-lgcov")
+  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${GCC_COVERAGE_COMPILE_FLAGS}")
+  SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_LINKER_FLAGS} ${GCC_COVERAGE_LINK_FLAGS}")
+endif(USE_GCOV)
+
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -g")
 set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS} -O1")
 
diff --git a/tests/README.md b/tests/README.md
new file mode 100644
index 00000000..f1c2e211
--- /dev/null
+++ b/tests/README.md
@@ -0,0 +1,28 @@
+# Test
+
+To run all unit testers
+
+```shell
+$ cd build
+$ ctest --output-on-failure
+```
+
+Introducing coverage statistics using LCOV
+
+Adding parameter -DUSE_GCOV=1 during compilation.
+
+Generate image files .gcno and data files .gcda under build/tests/CMakeFiles/.dir
+
+Execute the following command in the build folder to generate an intermediate file for HTML:
+
+```shell
+$ lcov --capture --directory . -- output-file testneuron.info --test-name testneuron
+```
+
+Execute the following command in the build folder to generate an HTML file in the result folder under the build folder:
+
+```shell
+$ genhtml -o result testneuron.info
+```
+
+Open build/result index.html to view coverage statistics report.
\ No newline at end of file