从IIS 6.0中的自定义404页面提交时，为什么POST数据会丢失？

I built a Custom 404 CMS system in .NET 3.5, and while posting data works locally in IIS 5.1 and 6.0, it does not work on the production IIS 6.0 server. I compared the IIS 6.0 site settings item by item, and they are nearly identical, with the only differences not mattering.I built a Custom 404 CMS system in .NET 3.5, an