diff --git a/Assets/MsgTransmitTools/src/DataEventModel.cs b/Assets/MsgTransmitTools/src/DataEventModel.cs
index ef0f833..ab98a86 100644
--- a/Assets/MsgTransmitTools/src/DataEventModel.cs
+++ b/Assets/MsgTransmitTools/src/DataEventModel.cs
@@ -217,7 +217,17 @@ namespace JXSoft {
     #endregion
 
     #region LinkState
+    public class StateLinkToServer : ILinkState {
+        public int getLinkState()
+        {
+            return (int)LinkStateDefault.NoLink;
+        }
 
+        public bool invoke(int invokeState)
+        {
+            throw new NotImplementedException();
+        }
+    }
     #endregion
 
     #region event