1.Windows:

C:\Windows\System32\drivers\etc\hosts

复制该文件到桌面，修改成功后保存，将原先的host文件替换

2.macOS:

打开Finder，按快捷键组合 Shift+Command+G 查找文件，输入/etc/hosts,确认前往
复制该文件到桌面，修改成功后保存，将原先的host文件替换

3.添加代码：

2020-12-01更新

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