通过 Markdown Render Hooks | Hugo
实现此功能
./layouts/_default/_markup/render-link.html
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| <a href="{{ .Destination | safeURL }}"{{ with .Title}} title="{{ . }}"{{ end }}{{ if strings.HasPrefix .Destination "http" }} target="_blank" rel="noopener nofollow noreferrer" {{ end }}>{{ .Text | safeHTML }}</a>
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