github access is too slow and its solution

1. Open the host file as an administrator
1.1. Open this computer and enter C: \ Windows \ System32 \ drivers \ etc

1.2. Click the menu bar file and run Windows PowerShell

1.3 as an administrator . Enter cmd and notepad hosts in turn to open the hosts
2. Modify the hosts file
2.1. Open the webmaster tool
http://tool.chinaz.com/dns/
2.2. Query http://github.com

2.3. Add the IP with the smallest TTL value to the github domain name such as 13.229.188.59 github.com, write to the hosts file