V_Clyne 如题,基于此问题: https://community.nssurge.com/d/1523-bug-report-httpclient 当$request.header对象中已有HTTP/2的content-type时, 会自动新增HTTP/1.1的Content-Type于headers中; 并且在$httpClient.post时, 用Content-Type覆盖content-type;