server/app/z_router/system/index.js

/**
 * @param {Egg.Application} app - egg application
 */
module.exports = app => {
  require('./banner')(app); // 广告图
  require('./indexModule')(app); // 图标菜单
  require('./serviceContact')(app); // 客服信息
  require('./goodsTags')(app); // 商品标签
};