diff --git a/backend/Dockerfile b/backend/Dockerfile
index 8bbd306..63814f4 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -1,5 +1,5 @@
 # 使用国内镜像加速
-FROM python:3.9-slim
+FROM swr.cn-north-4.myhuaweicloud.com/ddn-k8s/docker.io/python:3.9-slim
 
 # 设置工作目录
 WORKDIR /app
diff --git a/docker-compose.yml b/docker-compose.yml
index 84e3d47..4b2492a 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -3,7 +3,7 @@ version: '3.8'
 services:
   # MySQL 数据库
   mysql:
-    image: mysql:8.0
+    image: swr.cn-north-4.myhuaweicloud.com/ddn-k8s/docker.io/mysql:8.0
     container_name: nex-docus-mysql
     restart: unless-stopped
     environment:
@@ -29,7 +29,7 @@ services:
 
   # Redis 缓存
   redis:
-    image: redis:7-alpine
+    image: swr.cn-north-4.myhuaweicloud.com/ddn-k8s/docker.io/redis:7-alpine
     container_name: nex-docus-redis
     restart: unless-stopped
     command: redis-server --requirepass ${REDIS_PASSWORD:-redis_password_change_me} --appendonly yes
diff --git a/forntend/Dockerfile b/forntend/Dockerfile
index 1fa91cc..24ff563 100644
--- a/forntend/Dockerfile
+++ b/forntend/Dockerfile
@@ -1,5 +1,5 @@
 # 构建阶段
-FROM node:18-alpine AS builder
+FROM swr.cn-north-4.myhuaweicloud.com/ddn-k8s/docker.io/node:18-alpine AS builder
 
 # 设置工作目录
 WORKDIR /app
@@ -20,7 +20,7 @@ COPY . .
 RUN npm run build
 
 # 生产阶段
-FROM nginx:alpine
+FROM swr.cn-north-4.myhuaweicloud.com/ddn-k8s/docker.io/nginx:alpine
 
 # 复制构建产物到 nginx
 COPY --from=builder /app/dist /usr/share/nginx/html