工单 优化 ，增加图片

OrderSupportTicket/Services/EventSourceTicketRealtimeService.cs

@@ -33,7 +33,7 @@ public sealed class EventSourceTicketRealtimeService
 	/// </summary>
 	public TicketRealtimeState State { get; private set; } = TicketRealtimeState.Disconnected;
 
-	public async Task Start(TicketClientOptions options)
+	public  Task Start(TicketClientOptions options)
 	{
 		if (_disposed)
 			throw new ObjectDisposedException(nameof(EventSourceTicketRealtimeService));
@@ -56,7 +56,8 @@ public sealed class EventSourceTicketRealtimeService
 		}
 
 		SetState(TicketRealtimeState.Connecting, "连接中…");
-		 await RunAsync(source);
+		 _= RunAsync(source); 
+		return Task.FromResult(0);
 	}
 
 	public Task StopAsync()
@@ -220,6 +221,7 @@ public sealed class EventSourceTicketRealtimeService
 		ConfigurationBuilder builder = Configuration.Builder(uri);
 		builder.RequestHeader("X-AppIds", $"[\"{string.Join("\",\"", appIds)}\"]");
 		builder.Logger(NLogger.Instance);
+		//builder.LastEventId("");
 		//var proxy = new WebProxy("http://127.0.0.1:8081"); //
 		//var handler = new HttpClientHandler
 		//{