diff --git a/chatclient/MainWindow.xaml b/chatclient/MainWindow.xaml
index f77e9ed..094aebb 100644
--- a/chatclient/MainWindow.xaml
+++ b/chatclient/MainWindow.xaml
@@ -112,21 +112,18 @@
                                 </ItemsControl>
                             </ScrollViewer>
 
-                            <Grid Grid.Row="2" Background="{DynamicResource MaterialDesign.Brush.Primary.Foreground}">
-                                <Grid.ColumnDefinitions>
-                                    <ColumnDefinition Width="*"/>
-                                    <ColumnDefinition Width="Auto"/>
-                                </Grid.ColumnDefinitions>
-
-                                <TextBox x:Name="txtMessage" Grid.Column="0" 
-                 materialDesign:HintAssist.Hint="输入消息..." 
-                 AcceptsReturn="True" VerticalScrollBarVisibility="Auto"
-                 TextWrapping="Wrap" MinHeight="60" MaxHeight="120" Margin="5"/>
-
-                                <Button x:Name="btnSend" Grid.Column="1" Content="发送" MinWidth="80"
-                Style="{StaticResource MaterialDesignRaisedButton}"
-                Click="SendMessage_Click"/>
-                            </Grid>
+                            <materialDesign:Card materialDesign:ElevationAssist.Elevation="Dp8" Grid.Row="2">
+                                <Grid Margin="5,0,5,0">
+                                    <Grid.RowDefinitions>
+                                        <RowDefinition Height="*"/>
+                                        <RowDefinition Height="Auto"/>
+                                    </Grid.RowDefinitions>
+                                    <TextBox x:Name="txtMessage" Grid.Row="0" materialDesign:HintAssist.Hint="输入消息..." AcceptsReturn="True" VerticalScrollBarVisibility="Auto"
+                                             TextWrapping="Wrap" MinHeight="50" MaxHeight="100" Margin="5" BorderBrush="#00000000"/>
+                                    <Button x:Name="btnSend" Grid.Row="1" Content="发送" MinWidth="80" Style="{StaticResource MaterialDesignRaisedButton}"
+                                            Click="SendMessage_Click" Width="20" HorizontalAlignment="Right" Margin="2,2,4,4"/>
+                                </Grid>
+                            </materialDesign:Card>
                         </Grid>
                     </Grid>
                 </TabItem>
@@ -143,5 +140,7 @@
                 </TabItem>
             </TabControl>
         </materialDesign:Card>
+        <!--信息框-->
+        <materialDesign:Snackbar x:Name="SnackbarThree" MessageQueue="{materialDesign:MessageQueue}" />
     </Grid>
 </Window>
diff --git a/chatclient/MainWindow.xaml.cs b/chatclient/MainWindow.xaml.cs
index c2b8912..ed8f474 100644
--- a/chatclient/MainWindow.xaml.cs
+++ b/chatclient/MainWindow.xaml.cs
@@ -240,11 +240,11 @@ namespace chatclient
                 log.Error("处理响应时发生错误", ex);
             }
         }
-        private void SendMessage_Click(object sender, RoutedEventArgs e)
+        private async void SendMessage_Click(object sender, RoutedEventArgs e)
         {
-            SendMessage();
+            await SendMessage();
         }
-        private void SendMessage()
+        private async Task SendMessage()
         {
             if (string.IsNullOrWhiteSpace(txtMessage.Text))
                 return;
@@ -274,31 +274,53 @@ namespace chatclient
             string ChatJsonData = JsonSerializer.Serialize(newChatMessage);
             byte[] dataBytes = Encoding.UTF8.GetBytes(ChatJsonData);
             log.Info($"向服务器聊天信息(长度：{dataBytes.Length})");
-            if (Client != null)
+            // 检查Socket是否可用
+            if (Client?.Connected == true)
             {
-                if (Client.Connected)
+                Client.Send(dataBytes);
+                Application.Current.Dispatcher.Invoke(() => 
                 {
-                    Client.Send(dataBytes);
-                }
-                else
-                {
-                    try
-                    {
-                        log.Info("未连接服务器，尝试连接");
-                        Client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
-                        Client.Connect(IPAddress.Parse(Server.ServerIP), Server.ServerPort);
-                    }
-                    catch (Exception ex)
-                    {
-                        log.Error(ex);
-                        Client.Close();
-                    }
-                }
+                    txtMessage.Clear();
+                });
+                return;
             }
+            log.Info("未连接服务器，尝试异步连接");
+            // 异步连接操作
+            await Task.Run(() =>
+            {
+                try
+                {
+                    Client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
+                    Client?.Connect(IPAddress.Parse(Server.ServerIP), Server.ServerPort);
+                    StartReceive();
+                    Client?.Send(dataBytes);
+                    
+                }
+                catch (Exception ex)
+                {
+                    log.Error($"连接失败: {ex.Message}");
+                    Client?.Close();
+                    Application.Current.Dispatcher.Invoke(() =>
+                    {
+                        var mainWindow = Application.Current.Windows.OfType<MainWindow>().FirstOrDefault();
+                        if (mainWindow != null)
+                        {
+                            QueueMessage("连接失败，请检查网络设置或服务器状态。");
+                        }
+                    });
+                }
+            });
             // 添加到消息列表
             //Messages.Add(newMessage);
-            // 清空输入框
-            txtMessage.Clear();
+        }
+        private void QueueMessage(string message)
+        {
+            if (SnackbarThree.MessageQueue is { } messageQueue)
+            {
+                //use the message queue to send a message.
+                //the message queue can be called from any thread
+                Task.Factory.StartNew(() => messageQueue.Enqueue(message));
+            }
         }
     }
 }
\ No newline at end of file