PAYG Checks

如果脚本无法收集身份凭证，将会在日志和 Web UI 中提供正确的错误消息。

If the credentials are not working, reposync should show the proper error.

Refreshing or changing the registercloudguest connection to the public cloud update infrastructure should not interfere with the credentials usage.

Running `registercloudguest --clean will cause problems if no new cloud connection is registered with the cloud guest command.