diff --git a/WpfApp1/DataHandle/DataReciver.cs b/WpfApp1/DataHandle/DataReciver.cs
index 877ac3b..38fdc08 100644
--- a/WpfApp1/DataHandle/DataReciver.cs
+++ b/WpfApp1/DataHandle/DataReciver.cs
@@ -8,14 +8,16 @@ namespace F1Tools
     public static class DataReciver
     {
         private static UdpClient UDP;
-        private static IPEndPoint IP;
+        private static IPEndPoint FromIP;
+        private static IPEndPoint ListenEndPoint;
         public static MicroTimer MicroTimer;
-        private static int _port = 20777;
+        //private static int _port = 20777;
         private static GameVersion _version = GameVersion.Unkonwn;
 
         static DataReciver()
         {
-            UDP = new UdpClient(_port);
+            ListenEndPoint = new IPEndPoint(IPAddress.Parse("127.0.0.1"), 20777);
+            UDP = new UdpClient(ListenEndPoint);
             MicroTimer = new MicroTimer(1, 1);
             MicroTimer.OnRunningCallback += MicroTimer_OnRunningCallback;
             MicroTimer.Start();
@@ -23,29 +25,39 @@ static DataReciver()
 
         private static void MicroTimer_OnRunningCallback(int id, int msg, int user, int param1, int param2)
         {
-            if (UDP.Available <= 0)
+            if (UDP == null || UDP.Available <= 0)
                 return;
 
-            var bytes = UDP.Receive(ref IP);
+            var bytes = UDP.Receive(ref FromIP);
             if (bytes.Length > 0)
             {
                 var data = GetData(bytes, _version, out _version);
                 if (_version == GameVersion.Unkonwn || data == null)
                     return;
                 ReciveEvent?.Invoke(data);
+#if DEBUG
                 //Console.WriteLine($"{data.Throttle} {data.Brake}");
+#endif
             }
         }
 
         public static int Port
         {
-            get => _port;
+            get => ListenEndPoint.Port;
             set
             {
-                MicroTimer.Stop();
-                _port = Port;
-                UDP = new UdpClient(Port);
-                MicroTimer.Start();
+                if (value < 1 || value > 65536)
+                    return;
+
+                if (ListenEndPoint.Port == value)
+                    return;
+
+                ListenEndPoint.Port = value;
+                UDP.Dispose();
+                UDP = new UdpClient(ListenEndPoint);
+#if DEBUG
+                Console.WriteLine($"端口已修改为{value}");
+#endif
             }
         }
 
@@ -53,7 +65,7 @@ public static int Port
 
         public static void Dispose()
         {
-            MicroTimer.Dispose();
+            MicroTimer.Stop();
             UDP.Close();
             UDP.Dispose();
         }
diff --git a/WpfApp1/MainWindow.xaml b/WpfApp1/MainWindow.xaml
index c6d6c8f..d02047d 100644
--- a/WpfApp1/MainWindow.xaml
+++ b/WpfApp1/MainWindow.xaml
@@ -21,7 +21,10 @@
                 <local:F1Instrument x:Name="f1" HorizontalAlignment="Stretch" VerticalAlignment="Stretch"></local:F1Instrument>
                 <StackPanel HorizontalAlignment="Stretch" VerticalAlignment="Stretch" x:Name="sp_ip" Width="500" Height="200" Opacity="0.95" Orientation="Vertical" Background="White">
                     <Label x:Name="lb_ip" FontFamily="SourceHanSansCN-Normal" Content="本机IP：0.0.0.0" Foreground="Black" FontSize="40" HorizontalAlignment="Center" VerticalAlignment="Center"></Label>
-                    <Label x:Name="lb_port" FontFamily="SourceHanSansCN-Normal" Content="端口：20777" Foreground="Black" FontSize="40" HorizontalAlignment="Center" VerticalAlignment="Center"></Label>
+                    <StackPanel HorizontalAlignment="Center" VerticalAlignment="Stretch" Opacity="0.95" Orientation="Horizontal" Background="White">
+                        <Label x:Name="lb_port" FontFamily="SourceHanSansCN-Normal" Content="端口：" Foreground="Black" FontSize="40" HorizontalAlignment="Center" VerticalAlignment="Center"></Label>
+                        <TextBox x:Name="port" FontFamily="SourceHanSansCN-Normal" Text="20777" Width="150" Foreground="Black" FontSize="40" HorizontalAlignment="Center" VerticalAlignment="Center" TextChanged="port_TextChanged"></TextBox>
+                    </StackPanel>
                     <StackPanel HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Height="82" Orientation="Vertical" Background="Transparent" Margin="100,3,100,0">
                         <Label FontFamily="SourceHanSansCN-Normal" Content="透明度调节：鼠标滚轮" Foreground="Black" FontSize="25" HorizontalAlignment="Left" VerticalAlignment="Center"></Label>
                         <Label FontFamily="SourceHanSansCN-Normal" Content="大小调节：Ctrl+鼠标滚轮" Foreground="Black" FontSize="25" HorizontalAlignment="Left" VerticalAlignment="Center"></Label>
diff --git a/WpfApp1/MainWindow.xaml.cs b/WpfApp1/MainWindow.xaml.cs
index fbace21..16ffa5f 100644
--- a/WpfApp1/MainWindow.xaml.cs
+++ b/WpfApp1/MainWindow.xaml.cs
@@ -29,7 +29,7 @@ public MainWindow()
             DataReciver.ReciveEvent += DataReciver_ReciveEvent;
             var ip = Helper.GetLocalIP();
             lb_ip.Content = $"本机IP：{ip}";
-            lb_port.Content = $"端口：{DataReciver.Port}";
+            //port.Text = DataReciver.Port.ToString();
 
             Timer = new Timer(3000)
             {
@@ -41,10 +41,10 @@ public MainWindow()
             {
                 //Task.Run(() =>
                 //{
-                    if (Helper.CheckUpdate())
-                    {
-                        Dispatcher.Invoke(new WindowDelegate(TipShow));
-                    }
+                if (Helper.CheckUpdate())
+                {
+                    Dispatcher.Invoke(new WindowDelegate(TipShow));
+                }
                 //});
             });
         }
@@ -151,5 +151,14 @@ private void Hyperlink_Click(object sender, RoutedEventArgs e)
         {
             System.Diagnostics.Process.Start("explorer.exe", "https://gitee.com/n-i-n-g/F1-2020-Telemetering-Tools/releases");
         }
+
+        private void port_TextChanged(object sender, System.Windows.Controls.TextChangedEventArgs e)
+        {
+            if (int.TryParse(port.Text, out int udpPort))
+            {
+                DataReciver.Port = udpPort;
+            }
+
+        }
     }
 }
diff --git a/WpfApp1/Properties/AssemblyInfo.cs b/WpfApp1/Properties/AssemblyInfo.cs
index 8a588f4..9b6062b 100644
--- a/WpfApp1/Properties/AssemblyInfo.cs
+++ b/WpfApp1/Properties/AssemblyInfo.cs
@@ -50,5 +50,5 @@
 //
 //可以指定所有这些值，也可以使用“生成号”和“修订号”的默认值
 //通过使用 "*"，如下所示:
-[assembly: AssemblyVersion("2.5.1.1")]
+[assembly: AssemblyVersion("2.5.1.2")]
 [assembly: AssemblyFileVersion("1.0.0.0")]