[2020-07-02 11:43:23.354] [I]-[socket:connect: core sock conn error] TCPSSL iot-auth.cn-shanghai.aliyuncs.com 443 nil
[2020-07-02 11:43:23.356] [E]-[http.response] false connect fail
[2020-07-02 11:43:23.357] [I]-[aLiYun.authCbFnc] false connect fail nil
[2020-07-02 11:43:23.359] [I]-[socket:sock_close] nil
[2020-07-02 11:43:23.360] [I]-[http path] /auth/devicename
[2020-07-02 11:43:23.410] [I]-[socket:connect: core sock conn error] TCPSSL iot-auth.cn-shanghai.aliyuncs.com 443 nil