diff --git a/HKCardOUT/ViewModels/RootViewModel.cs b/HKCardOUT/ViewModels/RootViewModel.cs
index 8711ed2..9ed082b 100644
--- a/HKCardOUT/ViewModels/RootViewModel.cs
+++ b/HKCardOUT/ViewModels/RootViewModel.cs
@@ -35,7 +35,67 @@ namespace HKCardOUT.ViewModels
         public RootViewModel(IContainer Container)
         {
             this.Container = Container;
-            MainThread();
+
+
+            this.Activated += RootViewModel_Activated;
+            this.Closed += RootViewModel_Closed;
+
+            //MainThread();
+        }
+        /// <summary>
+        /// 关闭页面
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private void RootViewModel_Closed(object sender, CloseEventArgs e)
+        {
+            ti.Stop();
+            ti.Dispose();
+            UHF_RS485_Helper.GetInstance().Close();
+        }
+
+        System.Timers.Timer ti = new();
+        private void RootViewModel_Activated(object sender, ActivationEventArgs e)
+        {
+            ReadFunc -= ReadCard;
+            ReadFunc += ReadCard;
+            // 打开串口
+            UHF_RS485_Helper.GetInstance().Open(new SerialParam
+            {
+                PortName = DataBus.COM,
+                BaudRate = 57600,
+                DataBits = 8
+            });
+            if (!UHF_RS485_Helper.GetInstance().GetSerialPortState())
+            {
+                HandyControl.Controls.Growl.InfoGlobal("串口打开失败");
+               
+            }
+            //开启循环监听数据
+            ti.Interval = 500;
+            ti.Elapsed += Ti_Elapsed;
+            ti.Start();
+        }
+        private void Ti_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
+        {
+            DataBus.StoreInfo.Devices.ForEach(item =>
+            {
+                if (!UHF_RS485_Helper.GetInstance().GetSerialPortState())
+                {
+                    HandyControl.Controls.Growl.InfoGlobal("串口打开失败");
+                    ti.Stop();
+                    return;
+                }
+                else
+                {
+                    var res = UHF_RS485_Helper.GetInstance().ReadCard(item.Address.AsInt()).Result;
+                    if (res != null)
+                    {
+                        if (!res.ResData.IsMatch(new Regex("0{20}")))
+                            ReadFunc?.Invoke(res);
+                    }
+                }
+            });
         }
 
         protected override void OnViewLoaded()
@@ -76,11 +136,10 @@ namespace HKCardOUT.ViewModels
         }
         #endregion
 
-        #region 方法
+        #region 方法 这个可以不要了
         private void MainThread()
         {
-            ReadFunc -= ReadCard;
-            ReadFunc += ReadCard;
+          
             ThreadManage.GetInstance().StartLong(new Action(() =>
             {
                 try
diff --git a/HKCardOUT/Views/RootView.xaml b/HKCardOUT/Views/RootView.xaml
index e470d25..e68007b 100644
--- a/HKCardOUT/Views/RootView.xaml
+++ b/HKCardOUT/Views/RootView.xaml
@@ -81,7 +81,7 @@
                     HeaderStyle="{StaticResource SaleLogHeader}" />
                 <DataGridTextColumn
                     Width="300"
-                    Binding="{Binding CreateTime, StringFormat={}{0:yyyy-MM-dd HH:mm:ss}}"
+                    Binding="{Binding CreateTime, StringFormat={}{0:yyyy-MM-dd HH:mm:ss}, UpdateSourceTrigger=PropertyChanged}"
                     ElementStyle="{StaticResource CenterAlignmentStyle}"
                     Header="消费时间"
                     HeaderStyle="{StaticResource SaleLogHeader}" />
diff --git a/UHFHelper/UHF_RS485_Helper.cs b/UHFHelper/UHF_RS485_Helper.cs
index bdcfd37..42f05c7 100644
--- a/UHFHelper/UHF_RS485_Helper.cs
+++ b/UHFHelper/UHF_RS485_Helper.cs
@@ -65,7 +65,7 @@ namespace UHFHelper
         {
             DKoutput dKoutput = new();
             var readByte = ReadByte(adr);
-            var result = await SendMessageAsync(readByte, TimeSpan.FromSeconds(1), 18);
+            var result = await SendMessageAsync(readByte, TimeSpan.FromSeconds(2), 18);
             if (result == null)
             {
                 return null;
@@ -132,16 +132,14 @@ namespace UHFHelper
             var originalReadTimeout = _serialPort.ReadTimeout;
             try
             {
-
-                _serialPort.WriteTimeout = (int)Math.Max((timeout - stopwatch.Elapsed).TotalMilliseconds, 0);
+                _serialPort.DiscardInBuffer();
                 _serialPort.Write(msg, 0, msg.Length);
-
                 var tmpCount = count;
                 byte[] buffer = new byte[tmpCount];
                 int offset = 0;
                 while (tmpCount > 0)
                 {
-                    _serialPort.ReadTimeout = (int)Math.Max((timeout - stopwatch.Elapsed).TotalMilliseconds, 0);
+                   
                      var readCount = _serialPort.Read(buffer, offset, tmpCount); 
                     if (readCount==6)
                     {
@@ -150,8 +148,11 @@ namespace UHFHelper
                     }
                     offset += readCount;
                     tmpCount -= readCount;
+                    if (stopwatch.ElapsedMilliseconds>=2000)
+                    {
+                        return null;
+                    }
                 }
-                _serialPort.DiscardInBuffer();
                 return buffer;
             }catch(Exception ex)
             {
@@ -164,6 +165,11 @@ namespace UHFHelper
             }
         }
 
+        private void _serialPort_DataReceived(object sender, SerialDataReceivedEventArgs e)
+        {
+            throw new NotImplementedException();
+        }
+
         /// <summary>
         /// 发送数据
         /// </summary>
@@ -180,7 +186,7 @@ namespace UHFHelper
             }
             catch (TaskCanceledException)
             {
-                throw new TimeoutException();
+                return null;
             }
             return await sendTask;
         }
diff --git a/test/Form1.Designer.cs b/test/Form1.Designer.cs
index d8361cf..05ce488 100644
--- a/test/Form1.Designer.cs
+++ b/test/Form1.Designer.cs
@@ -41,6 +41,11 @@
             this.textBox4 = new System.Windows.Forms.TextBox();
             this.button7 = new System.Windows.Forms.Button();
             this.button8 = new System.Windows.Forms.Button();
+            this.listView1 = new System.Windows.Forms.ListView();
+            this.columnHeader1 = new System.Windows.Forms.ColumnHeader();
+            this.columnHeader2 = new System.Windows.Forms.ColumnHeader();
+            this.button9 = new System.Windows.Forms.Button();
+            this.columnHeader3 = new System.Windows.Forms.ColumnHeader();
             this.SuspendLayout();
             // 
             // button1
@@ -163,11 +168,50 @@
             this.button8.UseVisualStyleBackColor = true;
             this.button8.Click += new System.EventHandler(this.button8_Click);
             // 
+            // listView1
+            // 
+            this.listView1.AutoArrange = false;
+            this.listView1.Columns.AddRange(new System.Windows.Forms.ColumnHeader[] {
+            this.columnHeader1,
+            this.columnHeader2,
+            this.columnHeader3});
+            this.listView1.Location = new System.Drawing.Point(445, 12);
+            this.listView1.Name = "listView1";
+            this.listView1.Size = new System.Drawing.Size(343, 193);
+            this.listView1.TabIndex = 12;
+            this.listView1.UseCompatibleStateImageBehavior = false;
+            this.listView1.View = System.Windows.Forms.View.Details;
+            // 
+            // columnHeader1
+            // 
+            this.columnHeader1.Text = "序号";
+            this.columnHeader1.Width = 120;
+            // 
+            // columnHeader2
+            // 
+            this.columnHeader2.Text = "号码";
+            // 
+            // button9
+            // 
+            this.button9.Location = new System.Drawing.Point(88, 387);
+            this.button9.Name = "button9";
+            this.button9.Size = new System.Drawing.Size(75, 23);
+            this.button9.TabIndex = 13;
+            this.button9.Text = "button9";
+            this.button9.UseVisualStyleBackColor = true;
+            this.button9.Click += new System.EventHandler(this.button9_Click);
+            // 
+            // columnHeader3
+            // 
+            this.columnHeader3.Text = "次数";
+            // 
             // Form1
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 17F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.ClientSize = new System.Drawing.Size(800, 450);
+            this.Controls.Add(this.button9);
+            this.Controls.Add(this.listView1);
             this.Controls.Add(this.button8);
             this.Controls.Add(this.button7);
             this.Controls.Add(this.textBox4);
@@ -204,5 +248,10 @@
         private TextBox textBox4;
         private Button button7;
         private Button button8;
+        private ListView listView1;
+        private ColumnHeader columnHeader1;
+        private ColumnHeader columnHeader2;
+        private Button button9;
+        private ColumnHeader columnHeader3;
     }
 }
\ No newline at end of file
diff --git a/test/Form1.cs b/test/Form1.cs
index c63860e..56b084b 100644
--- a/test/Form1.cs
+++ b/test/Form1.cs
@@ -48,7 +48,7 @@ namespace test
             var res = UHFCardHelper.GetInstance().WriteCard(textBox1.Text);
             MessageBox.Show(res.ResMes);
         }
-
+        List<int> add = new List<int>();
         private void Form1_Load(object sender, EventArgs e)
         {
 
@@ -57,6 +57,8 @@ namespace test
             //{
             //    this.comboBox1.Items.Add(val);
             //}
+            add.Add(01);
+            add.Add(02);
         }
         UHF_RS485_Helper uHF_RS485_Helper;
         private  void button5_Click(object sender, EventArgs e)
@@ -92,7 +94,59 @@ namespace test
 
         private void button8_Click(object sender, EventArgs e)
         {
-            UHF_RS485_Helper.GetInstance().OpenBeep(1);
+            System.Timers.Timer ti = new();
+            ti.Interval = 500;
+            ti.Elapsed += Ti_Elapsed;
+            ti.Start();
+        }
+       
+        private void Ti_Elapsed(object? sender, System.Timers.ElapsedEventArgs e)
+        {
+            foreach (var item in add)
+            {
+                var oldss = UHF_RS485_Helper.GetInstance().ReadCard(item).Result;
+                if (oldss != null)
+                {
+                    //lvi.SubItems.Add(oldss.ResData ?? "��");
+                    //this.listView1.Items.Add(lvi);
+                    this.Invoke(() =>
+                    {
+                        if (listView1.Items.Count==0)
+                        {
+                            ListViewItem lvi = new ListViewItem();
+                            lvi.SubItems.Add(oldss.ResData ?? "��");
+                            lvi.SubItems.Add("1");
+                            this.listView1.Items.Add(lvi);
+                        }
+                        bool isCunzai = false;
+
+                        for (int i = 0; i < listView1.Items.Count; i++)     //�ж��Ƿ���Listview�б���
+                        {
+                            if (oldss.ResData == listView1.Items[i].SubItems[1].Text)
+                            {
+                                var aListItem = listView1.Items[i];
+                                aListItem.SubItems[2].Text = Convert.ToString(Convert.ToInt32(aListItem.SubItems[2].Text) + 1);
+                                isCunzai = true;
+                            }
+                        }
+                        if (!isCunzai)
+                        {
+                            ListViewItem lvi = new ListViewItem();
+                            lvi.SubItems.Add(oldss.ResData ?? "��");
+                            lvi.SubItems.Add("1");
+                            this.listView1.Items.Add(lvi);
+                        }
+                    });
+                }
+            }
+        }
+
+        private void button9_Click(object sender, EventArgs e)
+        {
+            ListViewItem lvi = new ListViewItem("1");
+            lvi.SubItems.Add("��1��,��1��");
+            lvi.SubItems.Add("��2��,��2��");
+            
         }
     }
 }
\ No newline at end of file