使用参数：

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USAGE:
spider -h <help> -a <all> -q <search>
Arguments:
         -a <download all site images>
         -q <query the image with keywords>
         -h <display help text, just this>
Option Arguments:
         -p <image download path>
         -r <random index category list>
         -c <single category url>
         -e <early stop, work in site crawl mode only>
         -s <site url eg: https://www.v2ph.com (no last backslash "/")>
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