Updates are current disallowed on get requests. To allow updates on a GET, set the 'AllowUnsafeUpdates' property on SPWe Use the following command in SP PowerShell: $w = get-spwebapplication http://siteURL$w.HttpThrottleSettings$w.update() 专注于互联网、物联网技术架构及管理 https://www.cnblogs.com/csts