diff --git a/.github/workflows/c.yml b/.github/workflows/c.yml
index 32d4b854..6ece9027 100644
--- a/.github/workflows/c.yml
+++ b/.github/workflows/c.yml
@@ -20,11 +20,16 @@ jobs:
           go-version: '1.21'
           cache: true
 
+      - name: file
+        run: |
+          touch ./coverage.txt
+
       - name: Upload
         uses: codecov/codecov-action@v3
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           flags: unittests
           name: venus-messager
+          files: ./coverage.txt
           fail_ci_if_error: true
           verbose: true