问无法从javascript signalr客户端连接到azure客户端

EN

 var connection = new signalR.HubConnectionBuilder()
                .configureLogging(signalR.LogLevel.Debug)
                .withUrl("/client/?hub=myHub")
                .withAutomaticReconnect().build();

 var connection = new signalR.HubConnectionBuilder()
                .configureLogging(signalR.LogLevel.Debug)
                .withUrl("https://azure-service.service.signalr.net/client/?hub=myHub")
                .withAutomaticReconnect().build();

    // Azure SignalR service
    app.UseAzureSignalR(routes =>
    {
        routes.MapHub<MyHub>("/myHub");
    });