我下载安装，出现这样，怎么操作？
Warning: require(D:\phpstudy_pro\WWW\www.rageframe.cn\web/../vendor/autoload.php): failed to open stream: No such file or directory in D:\phpstudy_pro\WWW\www.rageframe.cn\web\index.php on line 5

Fatal error: require(): Failed opening required 'D:\phpstudy_pro\WWW\www.rageframe.cn\web/../vendor/autoload.php' (include_path='.;C:\php\pear') in D:\phpstudy_pro\WWW\www.rageframe.cn\web\index.php on line 5