我在这个post上遇到了如何实现AMP形式的POST。我遵循了示例：
<form novalidate="" accept-charset="UTF-8" action-xhr="process.php" target="_top"...>...</form
但是我仍然收到此错误：
action-xhr must start with "https://" or "//" or be relative and served from either https or from localhost. Invalid value
有什么想法吗？