This plugin hasn’t been tested with the latest three main releases of WordPress. It may well not be managed or supported and could possibly have compatibility problems when applied with more recent variations of WordPress. this is considered the most aggravating method at any time designed. it's got zero usability. https://penposh.com/blogs/423091/WPS%E4%B8%AD%E6%96%87%E7%89%88%E4%B8%8B%E8%BD%BD%E6%8C%87%E5%8D%97-%E9%AB%98%E6%95%88%E5%8A%9E%E5%85%AC%E7%9A%84%E7%90%86%E6%83%B3%E9%80%89%E6%8B%A9