<system.webServer>

    <modules runAllManagedModulesForAllRequests="true">//增加runAllManagedModulesForAllRequests="true"

      <remove name="FormsAuthentication" />

      <remove name="ApplicationInsightsWebTracking" />

      <add name="ApplicationInsightsWebTracking" type="Microsoft.ApplicationInsights.Web.ApplicationInsightsHttpModule, Microsoft.AI.Web" preCondition="managedHandler" />

    </modules>

    <handlers>

      <remove name="ExtensionlessUrlHandler-Integrated-4.0" />

      <remove name="OPTIONSVerbHandler" />

      <remove name="TRACEVerbHandler" />

      <add name="ExtensionlessUrlHandler-Integrated-4.0" path="*." verb="*" type="System.Web.Handlers.TransferRequestHandler" preCondition="integratedMode,runtimeVersionv4.0" />

    </handlers>

    <validation validateIntegratedModeConfiguration="false" />

  </system.webServer>

<system.web>

    <authentication mode="None" />

  　<compilation targetFramework="4.5.2" /> //这一条删除

    <httpRuntime />

    <httpModules>

        <add name="ApplicationInsightsWebTracking" type="Microsoft.ApplicationInsights.Web.ApplicationInsightsHttpModule, Microsoft.AI.Web" />

    </httpModules>

    <pages controlRenderingCompatibilityVersion="4.0" />

</system.web>