diff --git a/docker-compose.yml b/docker-compose.yml
index b2634e9..3ee289b 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,5 +1,3 @@
-version: "3"
-
 services:
     mysql:
         image: mysql:8.0.34
@@ -88,3 +86,6 @@ services:
 networks:
     bd_net:
         driver: bridge
+    # 由 1Panel 或其它方式预先创建的 Docker 网络；不存在时先执行: docker network create 1panel-network
+    1panel-network:
+        external: true