diff --git a/docker-compose.prod.yml b/docker-compose.prod.yml
index db25838..8978b2e 100644
--- a/docker-compose.prod.yml
+++ b/docker-compose.prod.yml
@@ -1,8 +1,8 @@
 # Production stack for the current codebase: FastAPI + PostgreSQL.
 # The API hard-fails on startup if the database is not reachable, so DB health is required.
 #
-# Base images: DaoCloud「增加前缀」镜像（README 推荐，减少 BuildKit 直连 registry-1.docker.io）
-# See https://github.com/DaoCloud/public-image-mirror
+# Docker Hub 镜像：默认经毫秒镜像 docker.1ms.run（https://1ms.run/）；与 Dockerfile Python 基础镜像一致。
+# 拉取失败时可全局替换为 m.daocloud.io/docker.io/... 或配置 daemon registry-mirrors。
 #
 # The ``api`` service is built from ``Dockerfile``: Debian apt → 阿里云, uv/PyPI → 清华,
 # PyTorch CPU wheels / pytorch.org index files → 南大镜像; see Dockerfile for details.
@@ -14,7 +14,7 @@
 # and assign GPUs to the api service (deploy.resources.reservations.devices).
 services:
   db:
-    image: m.daocloud.io/docker.io/library/postgres:16-alpine
+    image: docker.1ms.run/library/postgres:16-alpine
     environment:
       POSTGRES_USER: ${POSTGRES_USER:-postgres}
       POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:?Set POSTGRES_PASSWORD}