diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 1198e86..0f0d83d 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -57,38 +57,23 @@ jobs:
         with:
           name: campushelper
           path: build/libs/
-      - name: Deploy to EC2
+
+      - name: Configure SSH
         run: |
-#           SSH 설정 최적화
           mkdir -p ~/.ssh
-          echo -e "Host *\n\
-            ControlMaster auto\n\
-            ControlPath ~/.ssh/cm_%r@%h:%p\n\
-            ControlPersist 10m\n\
-            Compression yes\n\
-            TCPKeepAlive yes\n\
-            ServerAliveInterval 60" > ~/.ssh/config
-          
-#           Private key 설정
-          echo "${{ secrets.EC2_SSH_KEY }}" > private_key.pem
-          chmod 600 private_key.pem
-          
-#           압축 전송으로 파일 전송 속도 향상
-          scp -C -i private_key.pem -o StrictHostKeyChecking=no build/libs/campushelper-0.0.1-SNAPSHOT.jar ${{ secrets.EC2_USERNAME }}@${{ secrets.EC2_HOST }}:/home/${{ secrets.EC2_USERNAME }}/campushelper.jar
-          
-#           안전하고 효율적인 프로세스 관리
-          ssh -i private_key.pem -o StrictHostKeyChecking=no ${{ secrets.EC2_USERNAME }}@${{ secrets.EC2_HOST }} '
+          echo "${{ secrets.EC2_SSH_KEY }}" > ~/.ssh/key.pem
+          chmod 600 ~/.ssh/key.pem
+          echo -e "Host *\n  StrictHostKeyChecking no\n" > ~/.ssh/config
+
+      - name: Deploy to EC2
+        run: |
+          scp -i ~/.ssh/key.pem build/libs/campushelper-0.0.1-SNAPSHOT.jar ${{ secrets.EC2_USERNAME }}@${{ secrets.EC2_HOST }}:/home/${{ secrets.EC2_USERNAME }}/campushelper.jar
+          ssh -i ~/.ssh/key.pem ${{ secrets.EC2_USERNAME }}@${{ secrets.EC2_HOST }} '
             pid=$(pgrep java)
             if [ -n "$pid" ]; then
-              kill $pid
-              for i in {1..10}; do
-                if ! ps -p $pid > /dev/null; then
-                  break
-                fi
-                sleep 1
-              done
+              kill -15 $pid
+              sleep 5
             fi
             nohup java -jar /home/${{ secrets.EC2_USERNAME }}/campushelper.jar > app.log 2>&1 &
           '
-          rm -f private_key.pem