text: const seo = {
    title: 'demo',
    keywords: 'demo',
    description: 'demo'
  };
  module.exports = app => {
    return class DemoController extends app.Controller {
      async index() {
        const { ctx } = this;
        await ctx.render('demoApp/index.js', {
          seo
        });
      }
  
      async clientIndex() {
        const { ctx } = this;
        await ctx.renderClient('demoApp/index.js', {
          seo
        });
      }
      
  
      async list() {
        const { ctx } = this;
        await ctx.render('demoList/index.js', {
          seo
        });
      }
  
      async client() {
        const { ctx } = this;
        await ctx.renderClient('demoList/index.js', {
          seo
        });
      }
    };
  };
  