egg-http-proxy2

$ npm i egg-http-proxy2 --save

// {app_root}/config/plugin.js
exports.httpproxy = {
  enable: true,
  package: 'egg-http-proxy2',
};

// {app_root}/config/config.default.js
exports.httpproxy = {
    proxyTable: [
      {
        path: "/risws/",
        proxy: { target: 'http://t.vy01.com/MedTechWebService/', changeOrigin: true },
      },
      {
        path: "/zsapi/",
        proxy: { target: 'http://a.vy01.com/api/', changeOrigin: true },
      }],
};