THE7 主题插件安装不了

THE7主题很多插件安装不了 ，主题是你们发我，是通过压缩文件上传ftp，然后在File Manager下解压the 7 主题的，为什么有2个插件无法安装。
一个插件Revolution Slider无法激活
报错：Warning: require_once(/home/chinazfr/public_html/wp-content/plugins/revslider/inc_php/framework/include_framework.php): failed to open stream: No such file or directory in /home/chinazfr/public_html/wp-content/plugins/revslider/revslider.php on line 49

Fatal error: require_once(): Failed opening required '/home/chinazfr/public_html/wp-content/plugins/revslider/inc_php/framework/include_framework.php' (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/chinazfr/public_html/wp-content/plugins/revslider/revslider.php on line 49

另一个插件Ultimate Addons for Visual Composer 无法按照
报错：nstalling Plugin: Ultimate Addons for Visual Composer
Unpacking the package…

Installing the plugin…

Destination folder already exists. /home/chinazfr/public_html/wp-content/plugins/Ultimate_VC_Addons/

Plugin install failed.

Return to Required Plugins Installer