IS 無法訪問請求的頁面，因為該頁的相關配置數據無效。
配置錯誤 This configuration section cannot be used at this path. This happens when the section is locked at a parent level. Locking is either by default (overrideModeDefault="Deny"), or set explicitly by a location tag with overrideMode="Deny" or the legacy allowOverride="false".
處理辦法
打開控制面板-添加或者關閉功能-找到IIS 打開圖中的功能。