{{- $author := dict -}}
{{- if .Params.original | default .Site.Params.original -}}
    {{- with .Site.Params.author.name -}}
        {{- $author = merge $author (dict "name" .) -}}
    {{- end -}}
    {{- with .Site.Params.author.email -}}
        {{- $author = merge $author (dict "email" .) -}}
    {{- end -}}
    {{- with .Site.Params.author.motto -}}
        {{- $author = merge $author (dict "motto" .) -}}
    {{- end -}}
    {{- with .Site.Params.author.avatar -}}
        {{- $author = merge $author (d