我在Windows2012的IIS8服务器上部署了SignalR示例应用程序。但我仍然无法使用WebSockets连接。下面是我部署的应用程序:[20:05:12 GMT-0200 (E. South America Daylight Time)]: disconnected => connecting undefined
[20:05:12 GMT-0200 (E. South America Daylight Time)]: connecting => connected 49b8a6d4-41ef-4ff8