diff --git a/docker-compose.yml b/docker-compose.yml
index 0c00cef..b1fb1b4 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -85,7 +85,7 @@ services:
       # - ./frontend/dist:/usr/share/nginx/html:ro  # 挂载构建产物，本地 pnpm build 后自动生效
       - ./frontend/nginx.conf:/etc/nginx/conf.d/default.conf:ro  # 挂载 nginx 配置
     ports:
-      - "3000:80" # Nginx 监听 80 端口
+      - "83:80" # Nginx 监听 80 端口
     environment:
       # 禁用代理 - nginx 需要直连后端
       - HTTP_PROXY=
@@ -132,6 +132,8 @@ services:
 networks:
   deepaudit-network:
     driver: bridge
+    driver_opts:
+      com.docker.network.bridge.name: br-deepaudit  # 指定宿主机网卡名称
 
 volumes:
   postgres_data:
diff --git a/docker/sandbox/Dockerfile b/docker/sandbox/Dockerfile
index 05229b6..e61df49 100644
--- a/docker/sandbox/Dockerfile
+++ b/docker/sandbox/Dockerfile
@@ -2,7 +2,7 @@
 # 安全沙箱环境用于漏洞验证和 PoC 执行
 # 集成各类安全扫描工具 (Semgrep, Bandit, Gitleaks, etc.)
 
-FROM docker.m.daocloud.io/python:3.11-bullseye
+FROM python:3.11-bullseye
 
 LABEL maintainer="XCodeReviewer Team"
 LABEL description="Secure sandbox environment for vulnerability verification and security scanning"