walle 2.1 - fix #NONE docker-compser.yml中db的expose选项未对齐导致安装失败

docker-compose.yml

@@ -47,8 +47,8 @@ services:
     command: [ '--default-authentication-plugin=mysql_native_password', '--character-set-server=utf8mb4', '--collation-server=utf8mb4_unicode_ci']
     ports:
       - "3306:3306"
-      expose:
-        - "3306"
+    expose:
+      - "3306"
     volumes:
       - /data/walle/mysql:/var/lib/mysql
     networks: