问题：跨域问题
解决：安装Chrome插件“Allow CORS: Access-Control-Allow-Origin”
YouTube Tutorial
安装并启动插件后刷新出现跨域错误的页面即可完美解决这类跨域问题。
【跨域问题】Access to XMLHttpRequest at ‘A’from ‘B’has been blocked by CORS policy :... No ‘Access-Control-Allow-Origin’ header...(Chrome浏览器)
原文：https://www.cnblogs.com/dyc99/p/13940685.html
