I find the reason is the .css or .js file can't be load. I have tried several ways, so lucky, I find a way.
1."win+R", input ‘cmd’，so we get in this
2. we input'ping github.global.ssl.fastly.net'
then it will show like this.
3.modify your hosts file, add this
4.when I get in github.com, it works.
@ZhuZheart98 Thank you for coming back and sharing your solution! We're looking forward to seeing you around!
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