diff --git a/docker-compose.dev.yml b/docker-compose.dev.yml
index e034083..cb9d980 100644
--- a/docker-compose.dev.yml
+++ b/docker-compose.dev.yml
@@ -17,6 +17,8 @@ services:
                uv run python -m alembic upgrade head &&
                uv run python -m uvicorn app.app:app --host 0.0.0.0 --port 2601 --reload"
     restart: unless-stopped
+    networks:
+      - archivenote-network
 
   # 前端服务
   frontend:
@@ -32,6 +34,8 @@ services:
       - VITE_API_BASE_URL=http://localhost:2601/api
     command: sh -c "npm install && npm run dev -- --host"
     restart: unless-stopped
+    networks:
+      - archivenote-network
 
   postgres:
     image: postgres:17
@@ -44,7 +48,13 @@ services:
       POSTGRES_USER: postgres
       POSTGRES_PASSWORD: postgres
     healthcheck:
-      test: ['CMD', 'pg_isready', '-U', 'postgres', '-d', 'archivenote']
+      test: [ 'CMD', 'pg_isready', '-U', 'postgres', '-d', 'archivenote' ]
       interval: 5s
       timeout: 10s
       retries: 5
+    networks:
+      - archivenote-network
+
+networks:
+  archivenote-network:
+    driver: bridge