diff --git a/.github/workflows/container-build.yaml b/.github/workflows/container-build.yml
similarity index 100%
rename from .github/workflows/container-build.yaml
rename to .github/workflows/container-build.yml
diff --git a/.github/workflows/docker/ut.dockerfile b/.github/workflows/docker/ut.dockerfile
index 800e4786b..328984ff5 100644
--- a/.github/workflows/docker/ut.dockerfile
+++ b/.github/workflows/docker/ut.dockerfile
@@ -19,6 +19,6 @@ RUN apt-get update && apt-get install -y --no-install-recommends --fix-missing \
     wget
 
 RUN ln -sf $(which python3) /usr/bin/python
-RUN python -m pip install --no-cache-dir pytest
+RUN python -m pip install --no-cache-dir pytest pytest-cov
 
 WORKDIR /
diff --git a/.github/workflows/megaservice-test.yaml b/.github/workflows/megaservice-test.yml
similarity index 100%
rename from .github/workflows/megaservice-test.yaml
rename to .github/workflows/megaservice-test.yml
diff --git a/.github/workflows/scripts/test_ut.sh b/.github/workflows/scripts/test_ut.sh
index 3394e774f..887e996cd 100644
--- a/.github/workflows/scripts/test_ut.sh
+++ b/.github/workflows/scripts/test_ut.sh
@@ -13,7 +13,8 @@ if [ $test_name = 'mega' ]; then
     echo "run mega test"
     cd cores
     find . -name "*.yaml" -exec sh -c 'x="{}"; cp $x ./' \;
-    find . -name "test*.py" | sed 's,\.\/,python -m pytest -vs --disable-warnings ,g' > run.sh
+    comps_path=$(python -c 'import comps; print(comps.__path__[0])')
+    find . -name "test*.py" | sed "s,\.\/,python -m pytest --cov=\"${comps_path}\" --cov-append -vs --disable-warnings ,g" > run.sh
     bash run.sh 2>&1 | tee ${ut_log_name}
 else
     echo "run other test"