diff --git a/WinFormControl/UWeightControl.cs b/WinFormControl/UWeightControl.cs
index c97fdad..22aff58 100644
--- a/WinFormControl/UWeightControl.cs
+++ b/WinFormControl/UWeightControl.cs
@@ -37,7 +37,16 @@ namespace WinFormControl
     }
 
     [Browsable(false)]
-    public decimal Weight { get { return decimal.Parse(lblChengZhong.Text); } }
+    public decimal Weight
+    {
+      get
+      {
+        var v = decimal.Parse(lblChengZhong.Text);
+        if (config != null)
+          v -= (config.Discont ?? 0);
+        return v;
+      }
+    }
 
     protected override void OnLoad(EventArgs e)
     {
@@ -124,6 +133,9 @@ namespace WinFormControl
         case "IND560":
           _dataFormat = new IND560DataFormat();
           break;
+        case "AHS3000":
+          _dataFormat = new AoHaoSi3000DataFormat();
+          break;
         case "Xk3124":
         case "IND231":
           _dataFormat = new Xk3124DataFormat();
@@ -170,10 +182,6 @@ namespace WinFormControl
           Thread.Sleep(10);
         }
         char[] buffer = new char[availableCount];
-        if (!weightPort.IsOpen)
-        {
-          continue;
-        }
         weightPort.Read(buffer, 0, availableCount);
         foreach (var c in buffer)
         {
@@ -182,7 +190,7 @@ namespace WinFormControl
             _dataStrBuilder.Clear();
             _dataStrBuilder.Append(c);
           }
-          else if (c == _dataFormat.Endchar && _dataStrBuilder.Length == _dataFormat.DataLength - 1)
+          else if (c == _dataFormat.Endchar || _dataStrBuilder.Length > _dataFormat.Bufsize)
           {
             _dataStrBuilder.Append(c);
             bool isStatic;
@@ -200,7 +208,7 @@ namespace WinFormControl
                   if (str != "0")
                   {
                     if (ReceivedValue != null)
-                      ReceivedValue(v);
+                      ReceivedValue(v - (config.Discont ?? 0));
                   }
                 }));
               }
@@ -222,7 +230,7 @@ namespace WinFormControl
                     if (str != "0")
                     {
                       if (ReceivedValue != null)
-                        ReceivedValue(num);
+                        ReceivedValue(num - (config.Discont ?? 0));
                     }
                   }));
                 }
@@ -230,7 +238,7 @@ namespace WinFormControl
             }
             _dataStrBuilder.Clear();
           }
-          else if (_dataStrBuilder.Length != 0)
+          else
           {
             _dataStrBuilder.Append(c);
           }
diff --git a/WinFormControl/Utils/AoHaoSi3000DataFormat.cs b/WinFormControl/Utils/AoHaoSi3000DataFormat.cs
new file mode 100644
index 0000000..dcd3c90
--- /dev/null
+++ b/WinFormControl/Utils/AoHaoSi3000DataFormat.cs
@@ -0,0 +1,52 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace WinFormControl
+{
+  internal class AoHaoSi3000DataFormat : DataFormatBase
+  {
+    public override int DataLength
+    {
+      get { return 10; }
+    }
+
+    public override char Beginchar
+    {
+      get { return (char)0x80; }//这种数据没有固定的开始标志
+    }
+
+    public override char Endchar
+    {
+      get { return (char)0x67; }
+    }
+
+    public override short Bufsize
+    {
+      get { return 36; }
+    }
+    public override string ParseData(string buf, out bool isStatic)
+    {
+      isStatic = false;
+      return string.Empty;
+    }
+
+    public override bool ParseAscii(string buf, out string weight, out bool isStatic)
+    {
+      isStatic = true;
+      weight = buf.Replace("kg", "").Replace((char)0x0D, (char)0x20).Replace((char)0x0A, (char)0x20).Replace((char)0x3F, (char)0x20);
+      weight = weight.Trim();
+      return true;
+    }
+
+    public override bool ParseAscii(string buf, out string weight, out bool isStatic, out string subStr)
+    {
+      weight = "";
+      isStatic = false;
+      subStr = "";
+      return false;
+    }
+  }
+}
diff --git a/WinFormControl/Utils/DataFormatBase.cs b/WinFormControl/Utils/DataFormatBase.cs
index bcaf82b..3e8ad90 100644
--- a/WinFormControl/Utils/DataFormatBase.cs
+++ b/WinFormControl/Utils/DataFormatBase.cs
@@ -10,7 +10,7 @@ namespace WinFormControl
   {
     char Beginchar { get; }
     char Endchar { get; }
-    int DataLength { get; }
+    short Bufsize { get; }
     bool ParseAscii(string buf, out string weight, out bool isStatic);
     bool ParseAscii(string buf, out string weight, out bool isStatic, out string subStr);
   }
@@ -32,6 +32,7 @@ namespace WinFormControl
       get;
     }
 
+    public abstract short Bufsize { get; }
 
     public const short BUFSIZE = 36;
     // 根据开始字符找出 一个完整的数据帧
diff --git a/WinFormControl/Utils/IND560DataFormat.cs b/WinFormControl/Utils/IND560DataFormat.cs
index 412544e..0d18af3 100644
--- a/WinFormControl/Utils/IND560DataFormat.cs
+++ b/WinFormControl/Utils/IND560DataFormat.cs
@@ -1,32 +1,50 @@
+using System;
+using System.Linq;
 namespace WinFormControl
 {
-  internal class IND560DataFormat : DataFormatBase {
-    public override int DataLength {
+  internal class IND560DataFormat : DataFormatBase
+  {
+    public override int DataLength
+    {
       get { return 10; }
     }
 
-    public override char Beginchar {
-      get { return (char)0x0A; }//��������û�й̶��Ŀ�ʼ��־
+    public override char Beginchar
+    {
+      get { return (char)0x80; }//��������û�й̶��Ŀ�ʼ��־
     }
 
-    public override char Endchar {
-      get { return (char)0x0D; }
+    public override char Endchar
+    {
+      get { return (char)0x67; }
     }
 
+    public override short Bufsize
+    {
+      get { return 36; }
+    }
     public override string ParseData(string buf, out bool isStatic)
     {
       isStatic = false;
       return string.Empty;
     }
 
-    public override bool ParseAscii(string buf, out string weight, out bool isStatic) {
+    public override bool ParseAscii(string buf, out string weight, out bool isStatic)
+    {
       isStatic = true;
-      weight = buf.Replace("kg", "").Replace((char)0x0D, (char)0x20).Replace((char)0x0A, (char)0x20);
+      weight = buf.Replace("kg", "").Replace((char)0x0D, (char)0x20).Replace((char)0x0A, (char)0x20).Replace((char)0x3F, (char)0x20);
       weight = weight.Trim();
+      if (weight.Any(x => x == ' '))
+      {
+        var arr = weight.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
+        if (arr.Length > 1)
+          weight = arr[1];
+      }
       return true;
     }
 
-    public override bool ParseAscii(string buf, out string weight, out bool isStatic, out string subStr) {
+    public override bool ParseAscii(string buf, out string weight, out bool isStatic, out string subStr)
+    {
       weight = "";
       isStatic = false;
       subStr = "";
diff --git a/WinFormControl/Utils/Xk3124DataFormat.cs b/WinFormControl/Utils/Xk3124DataFormat.cs
index bfbb805..3096847 100644
--- a/WinFormControl/Utils/Xk3124DataFormat.cs
+++ b/WinFormControl/Utils/Xk3124DataFormat.cs
@@ -4,7 +4,8 @@ namespace WinFormControl
 {
   internal class Xk3124DataFormat : DataFormatBase
   {
-    public override int DataLength {
+    public override int DataLength
+    {
       get { return 17; }
     }
 
@@ -12,13 +13,19 @@ namespace WinFormControl
     {
       get { return (char)0x02; }
     }
-     
+
     public override char Endchar
     {
       get { return (char)0x0D; ; }
     }
 
-    public override string ParseData(string buf, out bool isStatic) {
+    public override short Bufsize
+    {
+      get { return 36; }
+    }
+
+    public override string ParseData(string buf, out bool isStatic)
+    {
       StringBuilder str = new StringBuilder();
 
       char swa = buf[1]; // 状态字A
@@ -31,21 +38,25 @@ namespace WinFormControl
 
       char[] num = new char[6];
 
-      for (int i = 0; i < 6; i++) {
+      for (int i = 0; i < 6; i++)
+      {
         num[i] = buf[i + 4];
       }
 
-      if (dotIndex < 0) { // 不考虑精确到十，百位
+      if (dotIndex < 0)
+      { // 不考虑精确到十，百位
         return str.ToString();
       }
 
-      for (int i = 0; i < 6 - dotIndex; i++) {
+      for (int i = 0; i < 6 - dotIndex; i++)
+      {
         str.Append(num[i]);
       }
 
       str.Append('.');
 
-      for (int i = 0; i < dotIndex; i++) {
+      for (int i = 0; i < dotIndex; i++)
+      {
         str.Append(num[6 - dotIndex + i]);
       }
 
@@ -53,33 +64,40 @@ namespace WinFormControl
       string result = str.ToString().Trim();
 
       // 取消前面多余的0
-      for (int i = 0; i < result.Length; i++) {
-        if (result[i] != '0') {
+      for (int i = 0; i < result.Length; i++)
+      {
+        if (result[i] != '0')
+        {
           result = result.Substring(i, result.Length - i);
           break;
         }
       }
 
-      if (result.IndexOf('.') == 0) {
+      if (result.IndexOf('.') == 0)
+      {
         result = result.Insert(0, "0");
       }
 
-      if (result.IndexOf('.') == result.Length - 1) {
+      if (result.IndexOf('.') == result.Length - 1)
+      {
         result = result.Remove(result.IndexOf('.'), 1);
       }
 
-      if (!isPositive) { // 负数
+      if (!isPositive)
+      { // 负数
         result = result.Insert(0, "-");
       }
 
       return result;
     }
-     
-    public override bool ParseAscii(string buf, out string weight, out bool isStatic) {
+
+    public override bool ParseAscii(string buf, out string weight, out bool isStatic)
+    {
       isStatic = false;
-      weight = FindDataFrame(buf, DataLength );
+      weight = FindDataFrame(buf, DataLength);
 
-      if (string.IsNullOrEmpty(weight)) {
+      if (string.IsNullOrEmpty(weight))
+      {
         return false;
       }
 
@@ -88,7 +106,8 @@ namespace WinFormControl
       return true;
     }
 
-    public override bool ParseAscii(string buf, out string weight, out bool isStatic, out string subStr) {
+    public override bool ParseAscii(string buf, out string weight, out bool isStatic, out string subStr)
+    {
       weight = "";
       isStatic = false;
       subStr = "";
diff --git a/WinFormControl/Utils/Xk3190A9DataFormat.cs b/WinFormControl/Utils/Xk3190A9DataFormat.cs
index bc959e8..e33a1cf 100644
--- a/WinFormControl/Utils/Xk3190A9DataFormat.cs
+++ b/WinFormControl/Utils/Xk3190A9DataFormat.cs
@@ -3,19 +3,28 @@ namespace WinFormControl
   internal class Xk3190A9DataFormat : DataFormatBase
   {
 
-    public override int DataLength {
+    public override int DataLength
+    {
       get { return 12; }
     }
 
-    public override char Beginchar {
+    public override char Beginchar
+    {
       get { return (char)0x02; }
     }
 
-    public override char Endchar {
-      get { return (char)0x03;}
+    public override char Endchar
+    {
+      get { return (char)0x03; }
     }
 
-    public override string ParseData(string buf, out bool isStatic) {
+    public override short Bufsize
+    {
+      get { return 36; }
+    }
+
+    public override string ParseData(string buf, out bool isStatic)
+    {
       string weight;
       // С��λ��0-4
       int dot = (short)(0x0F & buf[8]);
@@ -26,18 +35,21 @@ namespace WinFormControl
       isStatic = true; // Ĭ�� Ϊ �ȶ�
 
       // buffer[1] ����λ
-      if (buf[1] == '-') {
+      if (buf[1] == '-')
+      {
         weight = weight.Insert(0, "-");
       }
 
       return weight;
     }
 
-    public override bool ParseAscii(string buf, out string weight, out bool isStatic) {
+    public override bool ParseAscii(string buf, out string weight, out bool isStatic)
+    {
       isStatic = false;
-      weight = FindDataFrame(buf, DataLength );
+      weight = FindDataFrame(buf, DataLength);
 
-      if (string.IsNullOrEmpty(weight)) {
+      if (string.IsNullOrEmpty(weight))
+      {
         return false;
       }
 
@@ -46,36 +58,44 @@ namespace WinFormControl
       return true;
     }
 
-    private static string InsertDot(string weight, int dotBits) {
+    private static string InsertDot(string weight, int dotBits)
+    {
       string str = weight.TrimStart(new[] {
                                             '0'
                                           });
       str = str.Trim();
 
-      if (dotBits > 0) {
+      if (dotBits > 0)
+      {
         //str = str.Insert(str.Length - dotBits, ".");
-        if (string.IsNullOrEmpty(str)) {
+        if (string.IsNullOrEmpty(str))
+        {
           str = "0";
           str = str.Insert(str.Length, ".");
-          for (int i = 0; i < dotBits; i++) {
+          for (int i = 0; i < dotBits; i++)
+          {
             str = str.Insert(str.Length, "0");
           }
-        } else
+        }
+        else
           str = str.Insert(str.Length - dotBits, ".");
       }
 
-      if (str.IndexOf(".") == 0) {
+      if (str.IndexOf(".") == 0)
+      {
         str = str.Insert(0, "0");
       }
 
       return str;
     }
 
-    public override bool ParseAscii(string buf, out string weight, out bool isStatic, out string subStr) {
+    public override bool ParseAscii(string buf, out string weight, out bool isStatic, out string subStr)
+    {
       isStatic = false;
-      weight = FindDataFrame(buf, DataLength , out subStr);
+      weight = FindDataFrame(buf, DataLength, out subStr);
 
-      if (string.IsNullOrEmpty(weight)) {
+      if (string.IsNullOrEmpty(weight))
+      {
         return false;
       }
 
@@ -85,19 +105,22 @@ namespace WinFormControl
       return true;
     }
     // ���ݿ�ʼ�ַ��ҳ� һ������������֡
-    public string FindDataFrame(string buf, int fSize , out string subStr) {
+    public string FindDataFrame(string buf, int fSize, out string subStr)
+    {
       var bufSize = buf.Length;
       subStr = "";
       int index = buf.IndexOf(Beginchar); // ���ҿ�ʼ�ַ�������
 
-      if (index < 0 || (index + fSize) > bufSize) {
+      if (index < 0 || (index + fSize) > bufSize)
+      {
         return string.Empty;
       }
 
       string data = buf.Substring(index, fSize);
       subStr = buf.Substring(index + fSize);
       // �������ַ�
-      if (data[fSize - 1] != Endchar) {
+      if (data[fSize - 1] != Endchar)
+      {
         return string.Empty;
       }
 
diff --git a/WinFormControl/Utils/Xk3190D10DataFormat.cs b/WinFormControl/Utils/Xk3190D10DataFormat.cs
index bdc11f0..9202c0b 100644
--- a/WinFormControl/Utils/Xk3190D10DataFormat.cs
+++ b/WinFormControl/Utils/Xk3190D10DataFormat.cs
@@ -3,18 +3,26 @@ namespace WinFormControl
   internal class Xk3190D10DataFormat : DataFormatBase
   {
 
-    public override int DataLength {
+    public override int DataLength
+    {
       get { return 12; }
     }
-    public override char Beginchar {
+    public override char Beginchar
+    {
       get { return (char)0x02; }
     }
 
-    public override char Endchar {
+    public override char Endchar
+    {
       get { return (char)0x0D; ; }
     }
+    public override short Bufsize
+    {
+      get { return 24; }
+    }
 
-    public override string ParseData(string buf, out bool isStatic) {
+    public override string ParseData(string buf, out bool isStatic)
+    {
       string weight;
       // С��λ��0-4
       int dot = (short)(0x0F & buf[8]);
@@ -25,19 +33,24 @@ namespace WinFormControl
       isStatic = true; // Ĭ�� Ϊ �ȶ�
 
       // buffer[1] ����λ
-      if (buf[1] == '-') {
+      if (buf[1] == '-')
+      {
         weight = weight.Insert(0, "-");
-      } else { 
-      
+      }
+      else
+      {
+
       }
       return weight;
     }
 
-    public override bool ParseAscii(string buf, out string weight, out bool isStatic) {
+    public override bool ParseAscii(string buf, out string weight, out bool isStatic)
+    {
       isStatic = false;
-      weight = FindDataFrame(buf,  DataLength);
+      weight = FindDataFrame(buf, DataLength);
 
-      if (string.IsNullOrEmpty(weight)) {
+      if (string.IsNullOrEmpty(weight))
+      {
         return false;
       }
 
@@ -46,51 +59,60 @@ namespace WinFormControl
       return true;
     }
 
-    private static string InsertDot(string weight, int dotBits) {
+    private static string InsertDot(string weight, int dotBits)
+    {
       string str = weight.TrimStart(new[] {
                                             '0'
                                           });
       str = str.Trim();
 
-      if (dotBits > 0) {
+      if (dotBits > 0)
+      {
         //str = str.Insert(str.Length - dotBits, ".");
-        if (string.IsNullOrEmpty(str)) {
+        if (string.IsNullOrEmpty(str))
+        {
           str = "0";
           str = str.Insert(str.Length, ".");
-          for (int i = 0; i < dotBits; i++) {
+          for (int i = 0; i < dotBits; i++)
+          {
             str = str.Insert(str.Length, "0");
           }
-        } else
+        }
+        else
           str = str.Insert(str.Length - dotBits, ".");
       }
 
-      if (str.IndexOf(".") == 0) {
+      if (str.IndexOf(".") == 0)
+      {
         str = str.Insert(0, "0");
       }
 
       return str;
     }
 
-    public override bool ParseAscii(string buf, out string weight, out bool isStatic, out string subStr) {
+    public override bool ParseAscii(string buf, out string weight, out bool isStatic, out string subStr)
+    {
       isStatic = false;
-      weight = FindDataFrame(buf,  DataLength );
+      weight = FindDataFrame(buf, DataLength);
       subStr = "";
-      if (string.IsNullOrEmpty(weight)) {
+      if (string.IsNullOrEmpty(weight))
+      {
         return false;
       }
 
       weight = ParseData(weight, out isStatic);
-       
+
       return true;
     }
-  
+
     #region 1.3 ��֤int����ż��
     /// <summary>
     /// 1.3 ��֤int����ż��
     /// </summary>
     /// <param name="num"></param>
     /// <returns></returns>
-    public bool isJO(int num) {
+    public bool isJO(int num)
+    {
       int a = num % 2;
       if (a == 0)
         return true;
diff --git a/WinFormControl/WeightSettingFrom.cs b/WinFormControl/WeightSettingFrom.cs
index 7126c54..c17b196 100644
--- a/WinFormControl/WeightSettingFrom.cs
+++ b/WinFormControl/WeightSettingFrom.cs
@@ -12,7 +12,7 @@ namespace WinFormControl
 {
   public partial class WeightSettingFrom : Form
   {
-    List<string> weight = new List<string> { "IND560", "Xk3124", "Xk3190A9", "Xk3190D10", "IND231" };
+    List<string> weight = new List<string> { "IND560", "Xk3124", "Xk3190A9", "Xk3190D10", "IND231","AHS3000" };
     List<string> com = new List<string> { "COM1", "COM2", "COM3", "COM4", "COM5" };
     List<string> rate = new List<string> { "1200", "2400", "4800", "7200", "9600" };
     List<string> bit = new List<string> { "5", "6", "7", "8" };
diff --git a/WinFormControl/WinFormControl.csproj b/WinFormControl/WinFormControl.csproj
index d1ef811..20b07d5 100644
--- a/WinFormControl/WinFormControl.csproj
+++ b/WinFormControl/WinFormControl.csproj
@@ -57,6 +57,7 @@
       <DesignTime>True</DesignTime>
       <DependentUpon>Resources.resx</DependentUpon>
     </Compile>
+    <Compile Include="Utils\AoHaoSi3000DataFormat.cs" />
     <Compile Include="UTimerLabel.cs">
       <SubType>Component</SubType>
     </Compile>