diff --git a/README.md b/README.md
index 8d6b144..5638f87 100644
--- a/README.md
+++ b/README.md
@@ -112,6 +112,8 @@ Docker自己装
 
 ```bash
 sudo docker build -t chenx221-yii2-netdisk .
+
+docker network create my-network
 docker run -d --name mariadb-container \
     -v /root/db.sql:/docker-entrypoint-initdb.d/db.sql \
     -e MYSQL_ROOT_PASSWORD=chenx221 \