今天刚查的github的最新hosts(20200410),可解决图片问题

140.82.114.3 github.com
185.199.108.153 assets-cdn.github.com
185.199.109.153 assets-cdn.github.com
185.199.110.153 assets-cdn.github.com
185.199.111.153 assets-cdn.github.com
199.232.5.194 github.global.ssl.fastly.net
199.232.68.133 camo.githubusercontent.com
140.82.113.20 gist.github.com
199.232.28.133 raw.githubusercontent.com
199.232.68.133 cloud.githubusercontent.com

　　

https://github.com/OceanBBBBbb/showdoc_springboot