failed to load resource: the server responded with a status of 504 (gateway

Failed to load resource: the server responded with a status of 504 (Gateway Time-out)

这个错误表示服务器在尝试获取请求的资源时超时了。这可能是因为服务器负载过重、网络问题或者代理服务器设置不当导致的。解决这个问题的方法包括增加服务器资源、优化网络连接以及检查代理服务器设置等。

upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while reading response header from upstream

这个错误表示在与上游服务器建立连接时发生了超时。可能的原因包括上游服务器负载过重、网络问题或者上游服务器配置不当。解决方法包括增加上游服务器资源、优化网络连接以及检查上游服务器配置等。