Problem about option-readtimeout@HTTP

When I used the HTTP.request to send job to clients, I get a response of timeout and connection closed after 60s. While, it seems that the option readtimeout doesn’t work.
for details, please refer to this URL
https://github.com/JuliaWeb/HTTP.jl/issues/416
HTTP v0.8.0

Julia 1.0.3

Win10