diff --git a/docker-compose.prod.yml b/docker-compose.prod.yml
index 2603c60..3457ce7 100644
--- a/docker-compose.prod.yml
+++ b/docker-compose.prod.yml
@@ -2,14 +2,14 @@
 # 服务器部署配置（单服务器 Phase 1）
 # 包含生产环境和测试环境（按需启停）
 #
+# 使用 host 网络模式，避免 Docker bridge 子网与 VPC 内网冲突
+#
 # 用法：
 #   生产环境：docker compose up -d
 #   含测试：  docker compose --profile test up -d
 #   停止测试：docker compose --profile test stop api-test
 # ========================================
 
-version: '3.8'
-
 services:
   # ===== 生产环境 =====
   api-prod:
@@ -19,9 +19,8 @@ services:
     image: duoqi-api:prod
     container_name: duoqi-api-prod
     restart: unless-stopped
+    network_mode: host
     env_file: .env.prod
-    ports:
-      - "3000:3000"
     healthcheck:
       test: ["CMD", "curl", "-f", "http://localhost:3000/health"]
       interval: 30s
@@ -46,9 +45,8 @@ services:
     image: duoqi-api:test
     container_name: duoqi-api-test
     restart: "no"
+    network_mode: host
     env_file: .env.test
-    ports:
-      - "3001:3001"
     healthcheck:
       test: ["CMD", "curl", "-f", "http://localhost:3001/health"]
       interval: 30s