diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4378457..5b867cb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -43,9 +43,7 @@ jobs:
         key: ${{ secrets.KEY }}
         port: ${{ secrets.PORT }}
         script_stop: true
-        script: |
-          mkdir abc/def
-          ls -al
+        script: "mkdir abc/def,ls -al"
 
     - name: pass environment
       uses: appleboy/ssh-action@master