diff --git a/Utils/HID/DataHelper.cs b/Utils/HID/DataHelper.cs
index 9a9716a..76c1610 100644
--- a/Utils/HID/DataHelper.cs
+++ b/Utils/HID/DataHelper.cs
@@ -48,18 +48,27 @@ public byte[] LoadPackage(byte cmd, ushort args, byte[] dat, byte len)
 
     public int AnalyzePackage(byte[] dat)
     {
-        lenOfPackage = dat[1];
-        command = dat[2];
-        args = (ushort)((dat[3] << 8) | dat[4]);
-        errorCode = (HID_ERRORS)args;
-        for (var i = 0; i < lenOfPackage - 5; i++) payload[i] = dat[i + 5];
-
-        var num = 2 + lenOfPackage - 2;
-        crc = (ushort)CrcValidation(dat, 2, lenOfPackage - 2);
-        var num2 = (ushort)((dat[num] << 8) | dat[num + 1]);
-        if (crc == num2) return 1;
-
-        return -1;
+        try
+        {
+            lenOfPackage = dat[1];
+            command = dat[2];
+            args = (ushort)((dat[3] << 8) | dat[4]);
+            errorCode = (HID_ERRORS)args;
+            for (var i = 0; i < lenOfPackage - 5; i++) payload[i] = dat[i + 5];
+
+            var num = 2 + lenOfPackage - 2;
+            crc = (ushort)CrcValidation(dat, 2, lenOfPackage - 2);
+            var num2 = (ushort)((dat[num] << 8) | dat[num + 1]);
+            if (crc == num2) return 1;
+            return -1;
+        }
+        catch
+        {
+            // 写频完成后手台还会发几个包，。不知道为啥
+            return -1;
+        }
+        
+
     }
 
     private int CrcValidation(byte[] dat, int offset, int count)
diff --git a/Utils/HID/HIDCommunication.cs b/Utils/HID/HIDCommunication.cs
index 085f00c..ef05fb6 100644
--- a/Utils/HID/HIDCommunication.cs
+++ b/Utils/HID/HIDCommunication.cs
@@ -108,6 +108,7 @@ public bool DoIt(CancellationToken token)
         flagTransmitting = true;
         resetRetryCount();
         step = STEP.STEP_HANDSHAKE_1;
+        HIDTools.getInstance().flagReceiveData = false;
         if (HandShake(token))
         {
             if (opType == OP_TYPE.WRITE)
@@ -128,10 +129,11 @@ private bool HandShake(CancellationToken token)
         var byData = new byte[1];
         while (flagTransmitting && !token.IsCancellationRequested)
             if (!flagRetry)
-            {
+            { ;
                 switch (step)
                 {
                     case STEP.STEP_HANDSHAKE_1:
+                        // Console.WriteLine("strp1");
                         byData = Encoding.ASCII.GetBytes("PROGRAMGT12");
                         byData = helper.LoadPackage(1, 0, byData, (byte)byData.Length);
                         hid.Send(byData);
@@ -143,6 +145,7 @@ private bool HandShake(CancellationToken token)
                         step = STEP.STEP_HANDSHAKE_2;
                         break;
                     case STEP.STEP_HANDSHAKE_2:
+                        // Console.WriteLine("strp2");
                         if (HIDTools.getInstance().flagReceiveData)
                         {
                             HIDTools.getInstance().flagReceiveData = false;
@@ -158,6 +161,7 @@ private bool HandShake(CancellationToken token)
 
                         break;
                     case STEP.STEP_HANDSHAKE_3:
+                        // Console.WriteLine("strp3");
                         if (HIDTools.getInstance().flagReceiveData)
                         {
                             HIDTools.getInstance().flagReceiveData = false;
@@ -173,6 +177,7 @@ private bool HandShake(CancellationToken token)
 
                         break;
                     case STEP.STEP_HANDSHAKE_4:
+                        // Console.WriteLine("strp4");
                         if (!HIDTools.getInstance().flagReceiveData) break;
 
                         HIDTools.getInstance().flagReceiveData = false;
@@ -221,7 +226,11 @@ private bool Write(CancellationToken token)
         ushort num = 0;
         byte b = 0;
         var num2 = 0;
-        while (flagTransmitting && token.IsCancellationRequested)
+        
+        // Console.WriteLine("we're in writing");
+        while (flagTransmitting && !token.IsCancellationRequested)
+        {
+            // Console.WriteLine("wE;RE WRITEING");
             if (!flagRetry)
             {
                 switch (step)
@@ -472,7 +481,7 @@ private bool Write(CancellationToken token)
                 flagRetry = false;
                 hid.Send(byData);
             }
-
+        }
         return false;
     }
 
diff --git a/Utils/HID/HIDTools.cs b/Utils/HID/HIDTools.cs
index 9d24a72..5bcc52c 100644
--- a/Utils/HID/HIDTools.cs
+++ b/Utils/HID/HIDTools.cs
@@ -63,11 +63,18 @@ private void ReadCompleted(IAsyncResult iResult)
             var array1 = new byte[64];
             Array.Copy(e.reportBuff, 0, array1, 0, 64);
             rxBuffer = array1;
+            // Console.WriteLine(BitConverter.ToString(rxBuffer));
             flagReceiveData = true;
             if (hidStream.CanRead) BeginAsyncRead();
+            else
+            {
+                // Console.WriteLine("stop read...");
+                CloseDevice();
+            }
         }
-        catch
+        catch(Exception e)
         {
+            // Console.WriteLine("stop read. due to."+e.Message);
             CloseDevice();
         }
     }
@@ -95,6 +102,7 @@ public HID_STATUS Write(Report r)
             }
             catch (Exception ex)
             {
+                // Console.WriteLine("stop write. due to."+ex.Message);
                 CloseDevice();
                 return HID_STATUS.NO_DEVICE_CONNECTED;
             }
@@ -112,6 +120,7 @@ public bool Send(byte[] byData)
 
     public void CloseDevice()
     {
+        // Console.WriteLine("closed...");
         Gt12Device = null;
         hidStream.Close();
     }
diff --git a/Views/Gt12/ProgressBarWindow.axaml.cs b/Views/Gt12/ProgressBarWindow.axaml.cs
index aff0436..f43c555 100644
--- a/Views/Gt12/ProgressBarWindow.axaml.cs
+++ b/Views/Gt12/ProgressBarWindow.axaml.cs
@@ -1,4 +1,5 @@
-using System.Threading;
+using System;
+using System.Threading;
 using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Interactivity;
@@ -63,6 +64,7 @@ private async void StartButton_OnClick(object? sender, RoutedEventArgs e)
     private void Task_Communication(CancellationToken token)
     {
         var flag = com.DoIt(token);
+        Console.WriteLine("We've done write!");
         Dispatcher.UIThread.Post(() => HandleResult(flag));
     }
 
@@ -73,7 +75,7 @@ private void Task_Progress(CancellationToken token)
             ProgressBarValue pgv;
             if (!com.statusQueue.TryDequeue(out pgv)) continue;
             ;
-            Dispatcher.UIThread.Post(() => statusLabel.DataContext = pgv.content);
+            Dispatcher.UIThread.Post(() => statusLabel.Content = pgv.content);
             Dispatcher.UIThread.Post(() => progressBar.Value = pgv.value);
         }
     }
@@ -108,7 +110,7 @@ private void HandleResult(bool result)
 
     private void Cancel_OnClick(object? sender, RoutedEventArgs e)
     {
-        if (thread_progress != null || thread_Communication != null)
+        if ((thread_progress != null || thread_Communication != null)&&operation==OP_TYPE.READ)
         {
             cancelSource.Cancel();
             thread_progress.Join();
diff --git a/Views/Shx8x00/ProgressBarWindow.axaml.cs b/Views/Shx8x00/ProgressBarWindow.axaml.cs
index 325b5e2..47a1036 100644
--- a/Views/Shx8x00/ProgressBarWindow.axaml.cs
+++ b/Views/Shx8x00/ProgressBarWindow.axaml.cs
@@ -39,7 +39,7 @@ public ProgressBarWindow(OPERATION_TYPE opStatus)
 
     private void Cancel_OnClick(object? sender, RoutedEventArgs e)
     {
-        if (threadWF != null || threadProgress != null)
+        if ((threadWF != null || threadProgress != null)&&status==OPERATION_TYPE.READ)
         {
             tokenSource.Cancel();
             threadWF.Join();