diff --git a/.github/workflows/rankit-multiaz-cicd.yml b/.github/workflows/rankit-multiaz-cicd.yml
index 0dc5b3e..ae24846 100644
--- a/.github/workflows/rankit-multiaz-cicd.yml
+++ b/.github/workflows/rankit-multiaz-cicd.yml
@@ -16,7 +16,7 @@ jobs:
         run: |
           sudo apt-get update
           sudo apt-get install awscli -y
-
+      
       # 2. AWS 자격 증명 설정
       - name: Configure AWS credentials
         env:
@@ -25,7 +25,7 @@ jobs:
         run: |
           aws configure set aws_access_key_id $AWS_ACCESS_KEY_ID
           aws configure set aws_secret_access_key $AWS_SECRET_ACCESS_KEY
-          aws configure set region ap-northeast-2  # 서울 AWS 리전을 설정
+          aws configure set region ap-northeast-2
       
       # 3. Bastion 호스트에 접속하여 EC2-A에 docker-compose 실행
       - name: Deploy to EC2-A via Bastion Host
@@ -37,10 +37,11 @@ jobs:
           chmod 600 private_key.pem
           ssh -o StrictHostKeyChecking=no -i private_key.pem ec2-user@$BASTION_HOST << 'EOF'
             ssh -o StrictHostKeyChecking=no -i /home/ec2-user/my-key.pem ec2-user@${{ secrets.EC2_A_IP }} << 'INNER_EOF'
-              if [ $(docker-compose ps -q app | xargs -r docker inspect -f '{{.State.Running}}') == 'true' ]; then
+              if [ "$(docker-compose ps -q app | xargs -r docker inspect -f '{{.State.Running}}')" = 'true' ]; then
                 docker-compose stop;
               fi
-              sleep 3 && docker-compose up -d --pull always
+              sleep 3
+              docker-compose up -d --pull always
             INNER_EOF
           EOF
           rm private_key.pem  # 사용 후 PEM 파일 삭제
@@ -57,18 +58,18 @@ jobs:
               --query "TargetHealthDescriptions[?Target.Id=='${{ secrets.EC2_A_ID }}'].TargetHealth.State" \
               --output text)
       
-            if [ "$HEALTH_STATUS" == "healthy" ]; then
+            if [ "$HEALTH_STATUS" = "healthy" ]; then
               echo "EC2-A is healthy."
               break
             else
               echo "Waiting for EC2-A to become healthy..."
-              sleep 10  # 10초 대기 후 상태 확인
-              ATTEMPT=$((ATTEMPT + 1))  # 시도 횟수 증가
+              sleep 10
+              ATTEMPT=$((ATTEMPT + 1))
             fi
       
             if [ $ATTEMPT -eq $MAX_ATTEMPTS ]; then
               echo "EC2-A is not healthy after $MAX_ATTEMPTS attempts. Exiting."
-              exit 1  # 파이프라인 종료
+              exit 1
             fi
           done
 
@@ -82,14 +83,15 @@ jobs:
           chmod 600 private_key.pem
           ssh -o StrictHostKeyChecking=no -i private_key.pem ec2-user@$BASTION_HOST << 'EOF'
             ssh -o StrictHostKeyChecking=no -i /home/ec2-user/my-key.pem ec2-user@${{ secrets.EC2_C_IP }} << 'INNER_EOF'
-              if [ $(docker-compose ps -q app | xargs -r docker inspect -f '{{.State.Running}}') == 'true' ]; then
+              if [ "$(docker-compose ps -q app | xargs -r docker inspect -f '{{.State.Running}}')" = 'true' ]; then
                 docker-compose stop;
               fi
-              sleep 3 && docker-compose up -d --pull always
+              sleep 3
+              docker-compose up -d --pull always
             INNER_EOF
           EOF
           rm private_key.pem  # 사용 후 PEM 파일 삭제
-
+      
       # 6. EC2-C alb 연결상태 확인
       - name: Register EC2-C to Target Group
         run: |
@@ -102,17 +104,17 @@ jobs:
               --query "TargetHealthDescriptions[?Target.Id=='${{ secrets.EC2_C_ID }}'].TargetHealth.State" \
               --output text)
       
-            if [ "$HEALTH_STATUS" == "healthy" ]; then
+            if [ "$HEALTH_STATUS" = "healthy" ]; then
               echo "EC2-C is healthy."
               break
             else
               echo "Waiting for EC2-C to become healthy..."
-              sleep 10  # 10초 대기 후 상태 확인
-              ATTEMPT=$((ATTEMPT + 1))  # 시도 횟수 증가
+              sleep 10
+              ATTEMPT=$((ATTEMPT + 1))
             fi
       
             if [ $ATTEMPT -eq $MAX_ATTEMPTS ]; then
               echo "EC2-C is not healthy after $MAX_ATTEMPTS attempts. Exiting."
-              exit 1  # 파이프라인 종료
+              exit 1
             fi
           done