diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index 54ce3508195..db023d08933 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -94,6 +94,7 @@ jobs:
                   -DCMAKE_C_COMPILER=$TOOLSET_CLANG_DIR/bin/gcc \
                   -DCMAKE_BUILD_TYPE=Debug \
                   -DENABLE_TESTING=on \
+                  -DENABLE_COVERAGE=on \
                   -B build
               echo "::set-output name=j::10"
               echo "::set-output name=t::10"
@@ -144,6 +145,11 @@ jobs:
           make RM_DIR=false down
         working-directory: tests/
         timeout-minutes: 2
+      - name: coverage
+        if: ${{ matrix.compiler == 'gcc-9.2' && matrix.os == 'ubuntu2004' }}
+        run: |
+            ~/.local/bin/fastcov -d build -l -o fastcov.info -p --exclude /usr/include --exclude=/opt/vesoft --exclude scanner.lex
+            bash <(curl -s https://codecov.io/bash) -Z -f fastcov.info
       - name: Sanitizer
         if: ${{ always() }}
         run: |
diff --git a/cmake/nebula/GeneralCompilerConfig.cmake b/cmake/nebula/GeneralCompilerConfig.cmake
index 3512c1c0d3b..ca9f70c4e6c 100644
--- a/cmake/nebula/GeneralCompilerConfig.cmake
+++ b/cmake/nebula/GeneralCompilerConfig.cmake
@@ -51,6 +51,8 @@ if(ENABLE_TESTING AND ENABLE_COVERAGE)
     add_compile_options(--coverage)
     add_compile_options(-g)
     add_compile_options(-O0)
+    nebula_add_exe_linker_flag(-coverage)
+    nebula_add_exe_linker_flag(-lgcov)
 endif()
 
 # TODO(doodle) Add option suggest-override for gnu
diff --git a/tests/requirements.txt b/tests/requirements.txt
index 1b4170e593e..b61984421d1 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -11,3 +11,4 @@ pytest-yapf3==0.5.1
 filelock==3.0.12
 ply==3.10
 pyyaml==5.4
+fastcov==1.13