文件路径index bug

application/App.php

@@ -60,7 +60,9 @@ class App{
            } else {
                $action = $pathinfo;
            }
            $doc = str_replace($action, '', $pathinfo);
            // var_dump($pathinfo);
            $doc = substr($pathinfo, strlen($action));
        }
        $action = $action ? : "index";
        

application/Index.php

@@ -14,10 +14,14 @@ class Index extends View
    public function index()
    {
        $doc = $GLOBALS['doc'];
        $doc = ltrim($doc, '/');
        if (substr($doc, -1) === '/') {
            $doc = $doc . "index.md";
        }
        // var_dump($doc);
        // exit;
        $doc = empty($doc) ? 'index.md' : $doc;
        if (pathinfo($doc,PATHINFO_EXTENSION) != 'md') {
            $doc = $doc . ".md";