diff --git a/docker-compose.yml b/docker-compose.yml
index 0c88023..578d4b7 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -41,6 +41,9 @@ services:
       - MAIL_ROUNDCUBE_URL=${MAIL_ROUNDCUBE_URL:-}
       # Uvicorn reload（生产环境保持 false）
       - UVICORN_RELOAD=${UVICORN_RELOAD:-false}
+    networks:
+      - default
+      - order-site-net
     depends_on:
       mysql:
         condition: service_healthy
@@ -82,3 +85,8 @@ services:
 
 volumes:
   mysql-data:
+
+networks:
+  order-site-net:
+    external: true
+    name: order_site_default