Win7 pycharm github 

con‘t login: connect to api.github.com:443[api.github.com/192.30.253.116, api.github.com/192.30.253.117] failed:connect timed out

ping不通192.30.253.117

跟踪一下，发现 跳转到10.段，结果丢失。

tracert 192.30.153.117

打印一下路由

route print

发现是由于 静态路由 的原因

Destination     Gateway         Genmask

网络目标　　网关　　　　　　网关        

192.0.0.0       *               255.0.0.0      

删除即可

route delete 192.0.0.0 mask 255.0.0.0

con't login: connect to api.github.com:443[api.github.com/192.30.253.116, api.github.com/192.30.253.117] failed:connect timed out