diff --git a/host/Gateway.cs b/host/Gateway.cs
index 8237927..2b209b1 100644
--- a/host/Gateway.cs
+++ b/host/Gateway.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Text.RegularExpressions;
+using System.Threading;
 using System.Xml.Linq;
 using LinkToolAddin.client;
 using LinkToolAddin.client.prompt;
@@ -143,4 +144,67 @@ public class Gateway
             }
         }
     }
+
+    public static async void TestChatMessage(string message, string model, string gdbPath,
+        Action<MessageListItem> callback)
+    {
+        MessageListItem chatListItem = new ChatMessageItem
+        {
+            content = message,
+            role = "assistant",
+            type = MessageType.CHAT_MESSAGE,
+            id = "testmsg12345"
+        };
+        callback?.Invoke(chatListItem);
+    }
+
+    public static async void TestToolMessage(string message, string model, string gdbPath, Action<MessageListItem> callback)
+    {
+        MessageListItem toolListItem = new ToolMessageItem
+        {
+            content = message,
+            type = MessageType.TOOL_MESSAGE,
+            toolName = "arcgis_pro.executeTool",
+            toolParams = new Dictionary<string, object>
+            {
+                {"gp_name","analysis.Buffer"},
+                {"gp_params","[\"C:\\test.gdb\\river\",\"30 Meters\"]"}
+            },
+            id = "testtool123456",
+            status = "success",
+            role = "user",
+            result = "成功创建缓冲区"
+        };
+        callback?.Invoke(toolListItem);
+    }
+
+    public static async void TestWOrkflow(string message, string model, string gdbPath, Action<MessageListItem> callback)
+    {
+        Thread.Sleep(2000);
+        MessageListItem chatListItem = new ChatMessageItem
+        {
+            content = message,
+            role = "assistant",
+            type = MessageType.CHAT_MESSAGE,
+            id = "testid12345"
+        };
+        callback?.Invoke(chatListItem);
+        Thread.Sleep(1500);
+        MessageListItem toolListItem = new ToolMessageItem
+        {
+            content = message,
+            type = MessageType.TOOL_MESSAGE,
+            toolName = "arcgis_pro.executeTool",
+            toolParams = new Dictionary<string, object>
+            {
+                {"gp_name","analysis.Buffer"},
+                {"gp_params","[\"C:\\test.gdb\\river\",\"30 Meters\"]"}
+            },
+            id = "testtool123456",
+            status = "success",
+            role = "user",
+            result = "成功创建缓冲区"
+        };
+        callback?.Invoke(toolListItem);
+    }
 }
\ No newline at end of file