diff --git a/Model/MsgModel.cs b/Model/MsgModel.cs
index 769a0b1..88f00be 100644
--- a/Model/MsgModel.cs
+++ b/Model/MsgModel.cs
@@ -1,4 +1,5 @@
-using System;
+using Newtonsoft.Json;
+using System;
 using System.Collections.Generic;
 using System.Text;
 
@@ -39,6 +40,6 @@ namespace OnlineUserPool.Model
         /// </summary>
         public double WeightKg { get; set; }
 
-        
+        public int Competitionid { get; set; }
     }
 }
diff --git a/ViewModels/MainWindowViewModel.cs b/ViewModels/MainWindowViewModel.cs
index 59ca9b7..00ca732 100644
--- a/ViewModels/MainWindowViewModel.cs
+++ b/ViewModels/MainWindowViewModel.cs
@@ -199,7 +199,19 @@ namespace OnlineUserPool.ViewModels
 
         private static void SendMessage(Collection<HostModel> clients, List<MsgModel> msgModels)
         {
-            string jsonString = Newtonsoft.Json.JsonConvert.SerializeObject(msgModels);
+            string jsonString = Newtonsoft.Json.JsonConvert.SerializeObject(msgModels.Select(m=> new { 
+                m.RouteId,
+                m.MemberId,
+                m.Point,
+                m.IsCompleted,
+                m.exit,
+                m.Speed,
+                m.PreDistance,
+                m.EndDistance,
+                m.IsVirtual,//后面要把这个字段过滤掉
+                m.WeightKg,
+                m.Competitionid
+            }));
             var data = Encoding.ASCII.GetBytes(jsonString);
             foreach (var item in clients)
             {