Whitelabel Error Page

This application has no explicit mapping for /error, so you are seeing this as a fallback.

null
There was an unexpected error (type=null, status=null).
错误原因:I/O error on GET request for "https://d.shiyebian.net/shiyebian/d/2024/20241102/10319b4671ef49b3b81c13e769372f2c.xls": d.shiyebian.net; nested exception is java.net.UnknownHostException: d.shiyebian.net