src/Upyun/Util.php
public static function encodeURI($url)
    {
        $unescaped = array(
            '%2D'=>'-','%5F'=>'_','%2E'=>'.','%21'=>'!', '%7E'=>'~',
            '%2A'=>'*', '%27'=>"'", '%28'=>'(', '%29'=>')'
        );
        $reserved = array(
            '%3B'=>';','%2C'=>',','%2F'=>'/','%3F'=>'?','%3A'=>':',
            '%40'=>'@','%26'=>'&','%3D'=>'=','%2B'=>'+','%24'=>'$'
        );
        $score = array(
            '%23'=>'#'
        );
        return strtr(rawurlencode($url), array_merge($reserved, $unescaped, $score));
    }
public static function encodeURI($url)
    {
        $unescaped = array(
            '%2D'=>'-','%5F'=>'_','%2E'=>'.','%21'=>'!', '%7E'=>'~',
            '%2A'=>'*', '%27'=>"'", '%28'=>'(', '%29'=>')'
        );
        $reserved = array(
            '%3B'=>';','%2C'=>',','%2F'=>'/','%3F'=>'?','%3A'=>':',
            '%40'=>'@','%26'=>'&','%3D'=>'=','%2B'=>'+','%24'=>'$'
        );
        $score = array(
            '%23'=>'#'
        );
        return strtr(rawurlencode($url), array_merge($reserved, $unescaped, $score));
    }
GuzzleHttp\Psr\Uri use `parse_url`，not good for utf-8,
So should `encodeURI` first, before `new Psr7\Request`
@see http://stackoverflow.com/questions/4929584/encodeuri-in-php