那是因为电脑里的缓存的原因,可以
<%
Session.Timeout=72
Response.Expires = 0
Response.Expiresabsolute = date() - 1
Response.AddHeader "pragma","no-cache"
Response.AddHeader "cache-control","private"
Response.CacheControl = "no-cache"
Response.charset = "gb2312"
%>
取消页面缓存