我已经连接了 Repl，它可以正确打印出所有带有tree. 但是，当我尝试 Flash 或点击树中字面上显示的元素时，它不会做任何事情。我在用着app.Flash(c=>c.Text("BACK"))
向我抛出的错误Exception: Error while performing Flash(Text("BACK"))是Exception: System.Net.Http.HttpRequestException: An error occurred while sending the request. ---> System.IO.IOException: Unable to read data from the transport connection: Connection reset by peer
尝试运行实际测试时，我收到
