diff --git a/.coveragerc b/.coveragerc
new file mode 100644
index 000000000..ff6f19aab
--- /dev/null
+++ b/.coveragerc
@@ -0,0 +1,7 @@
+[run]
+source = 
+    ./metagpt/
+omit = 
+    */metagpt/environment/android/*
+    */metagpt/ext/android_assistant/*
+    */metagpt/ext/werewolf/*
\ No newline at end of file
diff --git a/.github/workflows/unittest.yaml b/.github/workflows/unittest.yaml
index f51d80a14..dfc161deb 100644
--- a/.github/workflows/unittest.yaml
+++ b/.github/workflows/unittest.yaml
@@ -32,7 +32,9 @@ jobs:
       run: |
         export ALLOW_OPENAI_API_CALL=0
         mkdir -p ~/.metagpt && cp tests/config2.yaml ~/.metagpt/config2.yaml
-        pytest tests/ --ignore=tests/metagpt/environment/android_env --ignore=tests/metagpt/ext/android_assistant --doctest-modules --cov=./metagpt/ --cov-report=xml:cov.xml --cov-report=html:htmlcov --durations=20 | tee unittest.txt
+        pytest tests/ --ignore=tests/metagpt/environment/android_env --ignore=tests/metagpt/ext/android_assistant \
+          --doctest-modules --cov=./metagpt/ --cov-report=xml:cov.xml --cov-report=html:htmlcov \
+          --durations=20 | tee unittest.txt
     - name: Show coverage report
       run: |
         coverage report -m