版本：
文件：
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https://cdn.bootcdn.net/ajax/libs/jquery-simplyscroll/2.1.1/buttons.png
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https://cdn.bootcdn.net/ajax/libs/jquery-simplyscroll/2.1.1/jquery.simplyscroll.css
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https://cdn.bootcdn.net/ajax/libs/jquery-simplyscroll/2.1.1/jquery.simplyscroll.js
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https://cdn.bootcdn.net/ajax/libs/jquery-simplyscroll/2.1.1/jquery.simplyscroll.min.css
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https://cdn.bootcdn.net/ajax/libs/jquery-simplyscroll/2.1.1/jquery.simplyscroll.min.css.map
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https://cdn.bootcdn.net/ajax/libs/jquery-simplyscroll/2.1.1/jquery.simplyscroll.min.js