Do not have onReachBottom handler in current page: pages/login/login. Please make sure that onReachBottom handler has been defined in pages/login/login, or pages/login/login has been added into app.json

这意思是我必须在page()里写上onReachBottom()?一拉到底就出现这个，有的页面不需要这个功能，也非要写个空的放那？这应该优化下吧