web.config里配置如下：

<system.webServer>

<modules>

<remove name="WebDAVModule"/>

</modules>

<handlers>

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

<remove name="WebDAV"/>

<add name="ExtensionlessUrlHandler-Integrated-4.0" path="*." verb="GET,HEAD,POST,DEBUG,PUT" type="System.Web.Handlers.TransferRequestHandler" resourceType="Unspecified" requireAccess="Script" preCondition="integratedMode,runtimeVersionv4.0" responseBufferLimit="0"/>

</handlers>

</system.webServer>