diff --git a/docker-compose.yml b/docker-compose.yml
index a6a5c66..accd44b 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -105,7 +105,7 @@ services:
       - DISABLE_LOGIN=true
       # 資料庫設定: Docker 環境使用 PostgreSQL
       - USE_POSTGRESQL=true
-      - POSTGRES_HOST=momo-postgres
+      - POSTGRES_HOST=momo-db
       - POSTGRES_PORT=5432
       - POSTGRES_USER=${POSTGRES_USER:-momo}
       - POSTGRES_PASSWORD=${POSTGRES_PASSWORD:-wooo_pg_2026}
@@ -226,7 +226,7 @@ services:
       - TZ=Asia/Taipei
       # 資料庫設定: Docker 環境使用 PostgreSQL
       - USE_POSTGRESQL=true
-      - POSTGRES_HOST=momo-postgres
+      - POSTGRES_HOST=momo-db
       - POSTGRES_PORT=5432
       - POSTGRES_USER=${POSTGRES_USER:-momo}
       - POSTGRES_PASSWORD=${POSTGRES_PASSWORD:-wooo_pg_2026}