Laravel 5 报错信息存在严重漏洞

/**
     * Render an exception into an HTTP response.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Exception  $e
     * @return \Illuminate\Http\Response
     */
    public function render($request, Exception $e)
{
        if ($this->isHttpException($e))
        {
            return $this->renderHttpException($e);
        }
 
        if (config('app.debug'))
        {
            return $this->renderExceptionWithWhoops($e);
        }
 
        return parent::render($request, $e);
    }
 
    /**
     * Render an exception using Whoops.
     * 
     * @param  \Exception $e
     * @return \Illuminate\Http\Response
     */
    protected function renderExceptionWithWhoops(Exception $e)
{
        $whoops = new \Whoops\Run;
        $whoops->pushHandler(new \Whoops\Handler\PrettyPageHandler());
 
        return new \Illuminate\Http\Response(
            $whoops->handleException($e),
            $e->getStatusCode(),
            $e->getHeaders()
        );
    }

$run->pushHandler(function($exception, $inspector, $run) {
    var_dump($exception->getMessage());
    return Handler::DONE;
});