diff --git a/app/Dockerfile b/app/Dockerfile
index 52b036e..6e15b52 100644
--- a/app/Dockerfile
+++ b/app/Dockerfile
@@ -4,6 +4,9 @@ FROM python:3.10
 # 작업 디렉토리 설정
 WORKDIR /app
 
+# Timezone 설정
+ENV TZ="Asia/Seoul"
+
 # AWS CLI 설치
 RUN apt-get install -y curl unzip && \
     curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip" && \
diff --git a/app/routers/voices.py b/app/routers/voices.py
index b7d35d8..1bd53f1 100644
--- a/app/routers/voices.py
+++ b/app/routers/voices.py
@@ -23,7 +23,7 @@ def read_voices(db: Session = Depends(get_db), skip: int = 0, limit: int = 100):
 
 
 # 사용자 선택 목소리 저장
-@router.post("/{bubble_id}", summary="사용자가 선택한 목소리 저장", description="대화 중 사용자가 선택한 목소리를 DB에 저장합니다.")
+@router.post("/{bubble_id}", response_model=ResultResponseModel, summary="사용자가 선택한 목소리 저장", description="대화 중 사용자가 선택한 목소리를 DB에 저장합니다.")
 async def create_voice(bubble_id: int, db: Session = Depends(get_db)):
     bubble = bubble_service.get_bubble(db, bubble_id=bubble_id)
     if not bubble:
@@ -39,7 +39,7 @@ async def create_voice(bubble_id: int, db: Session = Depends(get_db)):
         print(e)
         raise HTTPException(status_code=500, detail="실패")
     voice = voice_service.create_voice(db, bubble_id=bubble_id, audio_url=audio_url)
-    return voice
+    return ResultResponseModel(code=200, message="목소리를 저장했습니다.", data={"audio_url": voice.audio_url})
 
 
 # 채팅방 별 저장한 목소리 목록 조회
@@ -88,4 +88,4 @@ def download_voice_count(voice_id: int, db: Session = Depends(get_db)):
     if not voice:
         raise HTTPException(status_code=404, detail="목소리 정보를 불러오는데 실패했습니다.")
     voice_service.get_voice_count(db, voice_id=voice_id)
-    return ResultResponseModel(code=200, message="목소리 카운트가 올라갔습니다.", data=voice.v_count)
+    return ResultResponseModel(code=200, message="목소리 카운트가 올라갔습니다.", data={"count": voice.v_count})
diff --git a/docker-compose-deploy.yml b/docker-compose-deploy.yml
index 2b1b109..74f7c9f 100644
--- a/docker-compose-deploy.yml
+++ b/docker-compose-deploy.yml
@@ -45,6 +45,8 @@ services:
       - '--config.file=/etc/prometheus/prometheus.yml'
     ports:
       - "9090:9090"
+    environment:
+      - TZ=Asia/Seoul
     networks:
       - teamhnet
 
@@ -57,6 +59,8 @@ services:
       - ./monitoring/grafana/dashboards:/etc/grafana/provisioning/dashboards/
     ports:
       - "3000:3000"
+    environment:
+      - TZ=Asia/Seoul
     networks:
       - teamhnet
 
@@ -72,6 +76,8 @@ services:
       - /sys:/sys:ro
       - /var/lib/docker/:/var/lib/docker:ro
     privileged: true
+    environment:
+      - TZ=Asia/Seoul
     networks:
       - teamhnet
 
@@ -131,6 +137,8 @@ services:
     ports:
       - "80:80"
     restart: always
+    environment:
+      - TZ=Asia/Seoul
     networks:
       - teamhnet
 
@@ -139,6 +147,7 @@ services:
     image: nginx/nginx-prometheus-exporter:1.3
     environment:
       - SCRAPE_URI=http://nginx:9110/metrics
+      - TZ=Asia/Seoul
     ports:
       - "9113:9113"
     networks: