The reason github interface picture is not open domain pollution, either replace the foreign domain name, or use the local host mapped directly to a public network address.
Here's a simple way:
Open ipaddress.com depth address, enter the domain name
raw.githubusercontent.com
Query the domain name is not contaminated foreign address in mainland China.
Or directly open the link below
https://githubusercontent.com.ipaddress.com/raw.githubusercontent.com
Assume public address lookup obtained above is
199.232.28.133
host file changes windows
C:\Windows\System32\drivers\etc\hosts
Or the host file under linux
/etc/hosts
Add the following line:
199.232.28.133 raw.githubusercontent.com
Restart the browser, open github, normal display picture!
Search to take it, do not mention it!