解决方法,打开路径C:\Windows\System32\drivers\etc下的hosts文件,并在后面添加下列信息

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# GitHub Start 
140.82.113.3 github.com
140.82.114.20 gist.github.com

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

# GitHub End

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