Mac电脑解决Github无法加载或不显示图片问题

1.打开IP查询网页

2.查询下列域名对应的IP地址

github.com
gist.github.com
assets-cdn.github.com
raw.githubusercontent.com
gist.githubusercontent.com
cloud.githubusercontent.com
camo.githubusercontent.com
avatars0.githubusercontent.com
avatars1.githubusercontent.com
avatars2.githubusercontent.com
avatars3.githubusercontent.com
avatars4.githubusercontent.com
avatars5.githubusercontent.com
avatars6.githubusercontent.com
avatars7.githubusercontent.com
avatars8.githubusercontent.com

例如查询后的结果是：

140.82.114.3    github.com
140.82.112.3    gist.github.com
185.199.109.153   assets-cdn.github.com
199.232.28.133    raw.githubusercontent.com
199.232.28.133    gist.githubusercontent.com
199.232.28.133    cloud.githubusercontent.com
199.232.28.133    camo.githubusercontent.com
199.232.28.133    avatars0.githubusercontent.com
199.232.28.133    avatars1.githubusercontent.com
199.232.28.133    avatars2.githubusercontent.com
199.232.28.133    avatars3.githubusercontent.com
199.232.28.133    avatars4.githubusercontent.com
199.232.28.133    avatars5.githubusercontent.com
199.232.28.133    avatars6.githubusercontent.com
199.232.28.133    avatars7.githubusercontent.com
199.232.28.133    avatars8.githubusercontent.com

3.打开Mac终端

1.输入命令sudo vi /etc/hosts
2.输入电脑密码后，点击i键，进入Insert模式，将上面的查询结果拷贝进去

例如：

# GitHub Start
140.82.114.3    github.com #（ip地址偶尔会变）
140.82.112.3    gist.github.com #（ip地址偶尔会变）
185.199.109.153   assets-cdn.github.com #（ip地址偶尔会变）
199.232.28.133    raw.githubusercontent.com
199.232.28.133    gist.githubusercontent.com
199.232.28.133    cloud.githubusercontent.com
199.232.28.133    camo.githubusercontent.com
199.232.28.133    avatars0.githubusercontent.com
199.232.28.133    avatars1.githubusercontent.com
199.232.28.133    avatars2.githubusercontent.com
199.232.28.133    avatars3.githubusercontent.com
199.232.28.133    avatars4.githubusercontent.com
199.232.28.133    avatars5.githubusercontent.com
199.232.28.133    avatars6.githubusercontent.com
199.232.28.133    avatars7.githubusercontent.com
199.232.28.133    avatars8.githubusercontent.com
# GitHub End

3.点击esc 键，然后输入:wq保存退出即可。
4.重新打开或刷新Github页面，页面或图片就可以加载出来了。