diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e605e28a01e0812aaafb844e2fb8923829dca8cc..a5eb63d7f90f2ec658df8311757267f142374c7a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -58,6 +58,7 @@ jobs:
           make
           sudo make install
           bash -c './build-sky-php-agent.sh'
+          sudo make clean
           
       - name: Build SkyWalking mock collector
         run: |
@@ -69,7 +70,7 @@ jobs:
           bash -c 'response=0; while [ $response -ne 200 ]; do sleep 1; response=$(curl --write-out %{http_code} --silent --output /dev/null http://localhost:12800/receiveData);echo $response;done'
 
       - name: Publish Dokcer image
-        if: matrix.php-versions == '7.4' && github.event == 'push'
+        if: matrix.php-versions == '7.4' && github.event_name == 'push'
         uses: elgohr/Publish-Docker-Github-Action@2.13
         with: 
           name: skyapm/skywalking-php