+ 实验了一天，不成功 + 根据[test-http2-connect-method-extended](https://github.com/nodejs/node/blob/master/test/parallel/test-http2-connect-method-extended.js) + node在[v10.12](https://github.com/nodejs/node/pull/23313)支持了[rfc8441](https://tools.ietf.org/html/rfc8441) + 这里有个[例子](https://github.com/jasnell/http2ws/blob/master/http2ws.js) + 根据[记录](https://lists.w3.org/Archives/Public/ietf-http-wg/2018JanMar/0210.html) + chrome需要命令行启动参数--enable-websocket-over-http2开启 ws over http2功能 + 官方示例[https://nghttp2.org/echo](https://nghttp2.org/echo) + 官方示例400了 + 依然不成功 + to be continue
